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authorLinus Torvalds <torvalds@linux-foundation.org>2021-07-05 22:10:34 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2021-07-05 22:10:34 +0300
commit463c09d09d426d4dfe1a83e1461e28d6b2d7f66a (patch)
treeb1ee085006f743e2fcac4365286f26ebde05f54a /drivers/mfd
parent18ef082713ad1104c32cd17a15abdc3f43c9b28a (diff)
parent8a14ded5a8cb7d4146c12f984b5346bffde9b70f (diff)
downloadlinux-463c09d09d426d4dfe1a83e1461e28d6b2d7f66a.tar.xz
Merge tag 'mfd-next-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull mfd updates from Lee Jones: "Core Frameworks: - Fix Software Node clean-up code New Drivers: - Add support for MediaTek MT6359 PMIC - Add support for Qualcomm PM8008 PMIC - Add support for Richtek RT4831 New Device Support: - Add support for Audio CODECs to Rockchip RK817 - Add support for Alder Lake-M to Intel LPSS PCI - Add support for Periph Device Charge to ChromeOS EC New Functionality: - Provide additional IRQs for wcd934x - Add optional Reset functionality to lp87565 Fix-ups: - Namespacing & visibility fixes to lp87565 - Differentiate between Power and Home key IRQs in mt6358 - Export I2C device tables in da9052-i2c, stmpe-i2c - Adapt IRQ flags in max8907, rn5t61, max8907 - Make some functions/devices optional in axp20x, cros_ec_dev - Explicitly include used header files in ioc3 - Remove superfluous lines in MAINTAINERS, sec-core, st,stm32-timers - Resolve Kerneldoc issues in omap-usb-host, omap-usb-tll, si476x-cmd, si476x-i2c - Convert arizona-core to a module - Copyright changes in hi655x-pmic - Drop support for board file initialisation in sec-core - Trivial spelling, whitespace etc updates in lp87565, si476x-cmd, mt6360-core, wm831x-core, twl-core, db8500-prcmu - Simplify various implementations of wcd934x, mt6360-core, max8997, max8998, da9052-i2c, da9062-core, sec-core, - Device Tree binding changes in google,cros-ec, richtek,rt4831-backlight, db8500-prcmu, qcom,pm8008, qcom,spmi-pmic - Use provided APIs to simplify t7l66xb, as3722, da9055-core, tps80031, 88pm800, 88pm805, asic3, sun6i-prcm, wm831x-core, wm831x-otp, ucb1x00-assabet, timberdale, sm501, pcf50633-core, kempld-core, janz-cmodio, intel_soc_pmic_bxtwc, ab8500-core Bug Fixes: - Fix unused variable warning in rk817_codec - Fix regulator voltage configuration in rohm-bd71828 - Fix ongoing freeing of regmap_config 'name' issue in syscon - Fix error handling path in da9063-i2c - Fix Kconfig issues in MFD_MP2629 - Fix DMA mask warnings in motorola-cpcap" * tag 'mfd-next-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (83 commits) mfd: cros_ec: Add peripheral device charger mfd: max8907: Remove IRQF_NO_AUTOEN flag mfd: ab8500-core: Use DEVICE_ATTR_RO/RW macro mfd: intel_soc_pmic_bxtwc: Use DEVICE_ATTR_ADMIN_RW macro mfd: janz-cmodio: Use DEVICE_ATTR_RO macro mfd: kempld-core: Use DEVICE_ATTR_RO macro mfd: pcf50633: Use DEVICE_ATTR_ADMIN_RO macro mfd: sm501: Use DEVICE_ATTR_RO macro mfd: timberdale: Use DEVICE_ATTR_RO macro mfd: ucb1x00-assabet: Use DEVICE_ATTR_RO macro mfd: wm831x: Use DEVICE_ATTR_RO macro mfd: wm831x: Use DEFINE_RES_IRQ_NAMED() and DEFINE_RES_IRQ() to simplify code dt-bindings: mfd: stm32-timers: Remove #address/size cells from required properties mfd: sun6i-prcm: Use DEFINE_RES_MEM() to simplify code mfd: asic3: Use DEFINE_RES_MEM() and DEFINE_RES_IRQ() to simplify code mfd: 88pm805: Use DEFINE_RES_IRQ_NAMED() to simplify code mfd: 88pm800: Use DEFINE_RES_IRQ_NAMED() to simplify code mfd: tps80031: Use DEFINE_RES_IRQ() to simplify code mfd: da9055: Use DEFINE_RES_IRQ_NAMED() to simplify code mfd: as3722: Use DEFINE_RES_IRQ_NAMED() to simplify code ...
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/88pm800.c14
-rw-r--r--drivers/mfd/88pm805.c29
-rw-r--r--drivers/mfd/Kconfig29
-rw-r--r--drivers/mfd/Makefile16
-rw-r--r--drivers/mfd/ab8500-core.c33
-rw-r--r--drivers/mfd/arizona-core.c2
-rw-r--r--drivers/mfd/as3722.c14
-rw-r--r--drivers/mfd/asic3.c12
-rw-r--r--drivers/mfd/axp20x.c24
-rw-r--r--drivers/mfd/cros_ec_dev.c21
-rw-r--r--drivers/mfd/da9052-i2c.c10
-rw-r--r--drivers/mfd/da9055-core.c38
-rw-r--r--drivers/mfd/da9062-core.c13
-rw-r--r--drivers/mfd/da9063-i2c.c2
-rw-r--r--drivers/mfd/db8500-prcmu.c6
-rw-r--r--drivers/mfd/hi655x-pmic.c2
-rw-r--r--drivers/mfd/intel-lpss-pci.c13
-rw-r--r--drivers/mfd/intel_soc_pmic_bxtwc.c20
-rw-r--r--drivers/mfd/janz-cmodio.c6
-rw-r--r--drivers/mfd/kempld-core.c19
-rw-r--r--drivers/mfd/lp87565.c27
-rw-r--r--drivers/mfd/max8907.c8
-rw-r--r--drivers/mfd/max8997.c9
-rw-r--r--drivers/mfd/max8998.c8
-rw-r--r--drivers/mfd/mfd-core.c15
-rw-r--r--drivers/mfd/motorola-cpcap.c4
-rw-r--r--drivers/mfd/mt6360-core.c552
-rw-r--r--drivers/mfd/mt6397-core.c20
-rw-r--r--drivers/mfd/omap-usb-host.c2
-rw-r--r--drivers/mfd/omap-usb-tll.c2
-rw-r--r--drivers/mfd/pcf50633-core.c12
-rw-r--r--drivers/mfd/qcom-pm8008.c260
-rw-r--r--drivers/mfd/rn5t618.c2
-rw-r--r--drivers/mfd/rt4831.c115
-rw-r--r--drivers/mfd/sec-core.c70
-rw-r--r--drivers/mfd/sec-irq.c4
-rw-r--r--drivers/mfd/si476x-cmd.c28
-rw-r--r--drivers/mfd/si476x-i2c.c10
-rw-r--r--drivers/mfd/sm501.c8
-rw-r--r--drivers/mfd/stmpe-i2c.c2
-rw-r--r--drivers/mfd/sun6i-prcm.c30
-rw-r--r--drivers/mfd/syscon.c2
-rw-r--r--drivers/mfd/t7l66xb.c12
-rw-r--r--drivers/mfd/timberdale.c6
-rw-r--r--drivers/mfd/tps80031.c6
-rw-r--r--drivers/mfd/twl-core.c2
-rw-r--r--drivers/mfd/ucb1x00-assabet.c2
-rw-r--r--drivers/mfd/wcd934x.c50
-rw-r--r--drivers/mfd/wm831x-core.c250
-rw-r--r--drivers/mfd/wm831x-otp.c6
50 files changed, 1099 insertions, 748 deletions
diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c
index c7f964996a91..eaf9845633b4 100644
--- a/drivers/mfd/88pm800.c
+++ b/drivers/mfd/88pm800.c
@@ -122,12 +122,7 @@ static const struct i2c_device_id pm80x_id_table[] = {
MODULE_DEVICE_TABLE(i2c, pm80x_id_table);
static const struct resource rtc_resources[] = {
- {
- .name = "88pm80x-rtc",
- .start = PM800_IRQ_RTC,
- .end = PM800_IRQ_RTC,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(PM800_IRQ_RTC, "88pm80x-rtc"),
};
static struct mfd_cell rtc_devs[] = {
@@ -140,12 +135,7 @@ static struct mfd_cell rtc_devs[] = {
};
static struct resource onkey_resources[] = {
- {
- .name = "88pm80x-onkey",
- .start = PM800_IRQ_ONKEY,
- .end = PM800_IRQ_ONKEY,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(PM800_IRQ_ONKEY, "88pm80x-onkey"),
};
static const struct mfd_cell onkey_devs[] = {
diff --git a/drivers/mfd/88pm805.c b/drivers/mfd/88pm805.c
index 39f2302e137b..ada6c513302b 100644
--- a/drivers/mfd/88pm805.c
+++ b/drivers/mfd/88pm805.c
@@ -54,27 +54,14 @@ enum {
};
static struct resource codec_resources[] = {
- {
- /* Headset microphone insertion or removal */
- .name = "micin",
- .start = PM805_IRQ_MIC_DET,
- .end = PM805_IRQ_MIC_DET,
- .flags = IORESOURCE_IRQ,
- },
- {
- /* Audio short HP1 */
- .name = "audio-short1",
- .start = PM805_IRQ_HP1_SHRT,
- .end = PM805_IRQ_HP1_SHRT,
- .flags = IORESOURCE_IRQ,
- },
- {
- /* Audio short HP2 */
- .name = "audio-short2",
- .start = PM805_IRQ_HP2_SHRT,
- .end = PM805_IRQ_HP2_SHRT,
- .flags = IORESOURCE_IRQ,
- },
+ /* Headset microphone insertion or removal */
+ DEFINE_RES_IRQ_NAMED(PM805_IRQ_MIC_DET, "micin"),
+
+ /* Audio short HP1 */
+ DEFINE_RES_IRQ_NAMED(PM805_IRQ_HP1_SHRT, "audio-short1"),
+
+ /* Audio short HP2 */
+ DEFINE_RES_IRQ_NAMED(PM805_IRQ_HP2_SHRT, "audio-short2"),
};
static const struct mfd_cell codec_devs[] = {
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 99c4e1a80ae0..6a3fd2d75f96 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -465,6 +465,7 @@ config MFD_MP2629
tristate "Monolithic Power Systems MP2629 ADC and Battery charger"
depends on I2C
select REGMAP_I2C
+ select MFD_CORE
help
Select this option to enable support for Monolithic Power Systems
battery charger. This provides ADC, thermal and battery charger power
@@ -902,6 +903,7 @@ config MFD_MT6360
select MFD_CORE
select REGMAP_I2C
select REGMAP_IRQ
+ select CRC8
depends on I2C
help
Say Y here to enable MT6360 PMU/PMIC/LDO functional support.
@@ -1076,6 +1078,16 @@ config MFD_RDC321X
southbridge which provides access to GPIOs and Watchdog using the
southbridge PCI device configuration space.
+config MFD_RT4831
+ tristate "Richtek RT4831 four channel WLED and Display Bias Voltage"
+ depends on I2C
+ select MFD_CORE
+ select REGMAP_I2C
+ help
+ This enables support for the Richtek RT4831 that includes 4 channel
+ WLED driving and Display Bias Voltage. It's commonly used to provide
+ power to the LCD display and LCD backlight.
+
config MFD_RT5033
tristate "Richtek RT5033 Power Management IC"
depends on I2C
@@ -1133,6 +1145,7 @@ config MFD_RN5T618
config MFD_SEC_CORE
tristate "Samsung Electronics PMIC Series Support"
depends on I2C=y
+ depends on OF || COMPILE_TEST
select MFD_CORE
select REGMAP_I2C
select REGMAP_IRQ
@@ -1770,7 +1783,7 @@ config MFD_ARIZONA
select REGMAP
select REGMAP_IRQ
select MFD_CORE
- bool
+ tristate
config MFD_ARIZONA_I2C
tristate "Cirrus Logic/Wolfson Microelectronics Arizona platform with I2C"
@@ -2087,6 +2100,20 @@ config MFD_ACER_A500_EC
The controller itself is ENE KB930, it is running firmware
customized for the specific needs of the Acer A500 hardware.
+config MFD_QCOM_PM8008
+ tristate "QCOM PM8008 Power Management IC"
+ depends on I2C && OF
+ select REGMAP_I2C
+ select REGMAP_IRQ
+ help
+ Select this option to get support for the Qualcomm Technologies, Inc.
+ PM8008 PMIC chip. PM8008 is a dedicated camera PMIC that integrates
+ all the necessary power management, housekeeping, and interface
+ support functions into a single IC. This driver provides common
+ support for accessing the device by instantiating all the child nodes
+ under it in the device tree. Additional drivers must be enabled in
+ order to use the functionality of the device.
+
menu "Multimedia Capabilities Port drivers"
depends on ARCH_SA1100
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 8b322d89a0c5..8116c19d5fd4 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -41,24 +41,24 @@ obj-$(CONFIG_MFD_TQMX86) += tqmx86.o
obj-$(CONFIG_MFD_LOCHNAGAR) += lochnagar-i2c.o
-obj-$(CONFIG_MFD_ARIZONA) += arizona-core.o
-obj-$(CONFIG_MFD_ARIZONA) += arizona-irq.o
+arizona-objs := arizona-core.o arizona-irq.o
+obj-$(CONFIG_MFD_ARIZONA) += arizona.o
obj-$(CONFIG_MFD_ARIZONA_I2C) += arizona-i2c.o
obj-$(CONFIG_MFD_ARIZONA_SPI) += arizona-spi.o
ifeq ($(CONFIG_MFD_WM5102),y)
-obj-$(CONFIG_MFD_ARIZONA) += wm5102-tables.o
+arizona-objs += wm5102-tables.o
endif
ifeq ($(CONFIG_MFD_WM5110),y)
-obj-$(CONFIG_MFD_ARIZONA) += wm5110-tables.o
+arizona-objs += wm5110-tables.o
endif
ifeq ($(CONFIG_MFD_WM8997),y)
-obj-$(CONFIG_MFD_ARIZONA) += wm8997-tables.o
+arizona-objs += wm8997-tables.o
endif
ifeq ($(CONFIG_MFD_WM8998),y)
-obj-$(CONFIG_MFD_ARIZONA) += wm8998-tables.o
+arizona-objs += wm8998-tables.o
endif
ifeq ($(CONFIG_MFD_CS47L24),y)
-obj-$(CONFIG_MFD_ARIZONA) += cs47l24-tables.o
+arizona-objs += cs47l24-tables.o
endif
obj-$(CONFIG_MFD_WCD934X) += wcd934x.o
obj-$(CONFIG_MFD_WM8400) += wm8400-core.o
@@ -233,6 +233,7 @@ obj-$(CONFIG_MFD_MENF21BMC) += menf21bmc.o
obj-$(CONFIG_MFD_HI6421_PMIC) += hi6421-pmic-core.o
obj-$(CONFIG_MFD_HI655X_PMIC) += hi655x-pmic.o
obj-$(CONFIG_MFD_DLN2) += dln2.o
+obj-$(CONFIG_MFD_RT4831) += rt4831.o
obj-$(CONFIG_MFD_RT5033) += rt5033.o
obj-$(CONFIG_MFD_SKY81452) += sky81452.o
@@ -263,6 +264,7 @@ obj-$(CONFIG_MFD_ROHM_BD957XMUF) += rohm-bd9576.o
obj-$(CONFIG_MFD_STMFX) += stmfx.o
obj-$(CONFIG_MFD_KHADAS_MCU) += khadas-mcu.o
obj-$(CONFIG_MFD_ACER_A500_EC) += acer-ec-a500.o
+obj-$(CONFIG_MFD_QCOM_PM8008) += qcom-pm8008.o
obj-$(CONFIG_SGI_MFD_IOC3) += ioc3.o
obj-$(CONFIG_MFD_SIMPLE_MFD_I2C) += simple-mfd-i2c.o
diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c
index c2ba498ad302..30489670ea52 100644
--- a/drivers/mfd/ab8500-core.c
+++ b/drivers/mfd/ab8500-core.c
@@ -827,8 +827,8 @@ static const struct mfd_cell ab8540_cut2_devs[] = {
},
};
-static ssize_t show_chip_id(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t chip_id_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct ab8500 *ab8500;
@@ -848,8 +848,8 @@ static ssize_t show_chip_id(struct device *dev,
* 0x40 Power on key 1 pressed longer than 10 seconds
* 0x80 DB8500 thermal shutdown
*/
-static ssize_t show_switch_off_status(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t switch_off_status_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
int ret;
u8 value;
@@ -883,8 +883,8 @@ void ab8500_override_turn_on_stat(u8 mask, u8 set)
* 0x40 UsbIDDetect
* 0x80 Reserved
*/
-static ssize_t show_turn_on_status(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t turn_on_status_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
int ret;
u8 value;
@@ -912,8 +912,8 @@ static ssize_t show_turn_on_status(struct device *dev,
return sprintf(buf, "%#x\n", value);
}
-static ssize_t show_turn_on_status_2(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t turn_on_status_2_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
int ret;
u8 value;
@@ -927,8 +927,8 @@ static ssize_t show_turn_on_status_2(struct device *dev,
return sprintf(buf, "%#x\n", (value & 0x1));
}
-static ssize_t show_ab9540_dbbrstn(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t dbbrstn_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct ab8500 *ab8500;
int ret;
@@ -945,7 +945,7 @@ static ssize_t show_ab9540_dbbrstn(struct device *dev,
(value & AB9540_MODEM_CTRL2_SWDBBRSTN_BIT) ? 1 : 0);
}
-static ssize_t store_ab9540_dbbrstn(struct device *dev,
+static ssize_t dbbrstn_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct ab8500 *ab8500;
@@ -980,12 +980,11 @@ exit:
return ret;
}
-static DEVICE_ATTR(chip_id, S_IRUGO, show_chip_id, NULL);
-static DEVICE_ATTR(switch_off_status, S_IRUGO, show_switch_off_status, NULL);
-static DEVICE_ATTR(turn_on_status, S_IRUGO, show_turn_on_status, NULL);
-static DEVICE_ATTR(turn_on_status_2, S_IRUGO, show_turn_on_status_2, NULL);
-static DEVICE_ATTR(dbbrstn, S_IRUGO | S_IWUSR,
- show_ab9540_dbbrstn, store_ab9540_dbbrstn);
+static DEVICE_ATTR_RO(chip_id);
+static DEVICE_ATTR_RO(switch_off_status);
+static DEVICE_ATTR_RO(turn_on_status);
+static DEVICE_ATTR_RO(turn_on_status_2);
+static DEVICE_ATTR_RW(dbbrstn);
static struct attribute *ab8500_sysfs_entries[] = {
&dev_attr_chip_id.attr,
diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index ce6fe6de34f8..9323b1e3a69e 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -1447,3 +1447,5 @@ int arizona_dev_exit(struct arizona *arizona)
return 0;
}
EXPORT_SYMBOL_GPL(arizona_dev_exit);
+
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/mfd/as3722.c b/drivers/mfd/as3722.c
index 59dfeff71592..38665efae4f0 100644
--- a/drivers/mfd/as3722.c
+++ b/drivers/mfd/as3722.c
@@ -24,21 +24,11 @@
#define AS3722_DEVICE_ID 0x0C
static const struct resource as3722_rtc_resource[] = {
- {
- .name = "as3722-rtc-alarm",
- .start = AS3722_IRQ_RTC_ALARM,
- .end = AS3722_IRQ_RTC_ALARM,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(AS3722_IRQ_RTC_ALARM, "as3722-rtc-alarm"),
};
static const struct resource as3722_adc_resource[] = {
- {
- .name = "as3722-adc",
- .start = AS3722_IRQ_ADC,
- .end = AS3722_IRQ_ADC,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(AS3722_IRQ_ADC, "as3722-adc"),
};
static const struct mfd_cell as3722_devs[] = {
diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c
index a6bd2134cea2..8d58c8df46cf 100644
--- a/drivers/mfd/asic3.c
+++ b/drivers/mfd/asic3.c
@@ -723,16 +723,8 @@ static struct tmio_mmc_data asic3_mmc_data = {
};
static struct resource asic3_mmc_resources[] = {
- {
- .start = ASIC3_SD_CTRL_BASE,
- .end = ASIC3_SD_CTRL_BASE + 0x3ff,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = 0,
- .end = 0,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_MEM(ASIC3_SD_CTRL_BASE, 0x400),
+ DEFINE_RES_IRQ(0)
};
static int asic3_mmc_enable(struct platform_device *pdev)
diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
index 3eae04e24ac8..4145a38b3890 100644
--- a/drivers/mfd/axp20x.c
+++ b/drivers/mfd/axp20x.c
@@ -884,8 +884,13 @@ int axp20x_match_device(struct axp20x_dev *axp20x)
axp20x->regmap_irq_chip = &axp803_regmap_irq_chip;
break;
case AXP806_ID:
+ /*
+ * Don't register the power key part if in slave mode or
+ * if there is no interrupt line.
+ */
if (of_property_read_bool(axp20x->dev->of_node,
- "x-powers,self-working-mode")) {
+ "x-powers,self-working-mode") &&
+ axp20x->irq > 0) {
axp20x->nr_cells = ARRAY_SIZE(axp806_self_working_cells);
axp20x->cells = axp806_self_working_cells;
} else {
@@ -959,12 +964,17 @@ int axp20x_device_probe(struct axp20x_dev *axp20x)
AXP806_REG_ADDR_EXT_ADDR_SLAVE_MODE);
}
- ret = regmap_add_irq_chip(axp20x->regmap, axp20x->irq,
- IRQF_ONESHOT | IRQF_SHARED | axp20x->irq_flags,
- -1, axp20x->regmap_irq_chip, &axp20x->regmap_irqc);
- if (ret) {
- dev_err(axp20x->dev, "failed to add irq chip: %d\n", ret);
- return ret;
+ /* Only if there is an interrupt line connected towards the CPU. */
+ if (axp20x->irq > 0) {
+ ret = regmap_add_irq_chip(axp20x->regmap, axp20x->irq,
+ IRQF_ONESHOT | IRQF_SHARED | axp20x->irq_flags,
+ -1, axp20x->regmap_irq_chip,
+ &axp20x->regmap_irqc);
+ if (ret) {
+ dev_err(axp20x->dev, "failed to add irq chip: %d\n",
+ ret);
+ return ret;
+ }
}
ret = mfd_add_devices(axp20x->dev, -1, axp20x->cells,
diff --git a/drivers/mfd/cros_ec_dev.c b/drivers/mfd/cros_ec_dev.c
index d07b43d7c761..8c08d1c55726 100644
--- a/drivers/mfd/cros_ec_dev.c
+++ b/drivers/mfd/cros_ec_dev.c
@@ -5,6 +5,7 @@
* Copyright (C) 2014 Google, Inc.
*/
+#include <linux/dmi.h>
#include <linux/kconfig.h>
#include <linux/mfd/core.h>
#include <linux/module.h>
@@ -112,8 +113,12 @@ static const struct cros_feature_to_cells cros_subdevices[] = {
static const struct mfd_cell cros_ec_platform_cells[] = {
{ .name = "cros-ec-chardev", },
{ .name = "cros-ec-debugfs", },
- { .name = "cros-ec-lightbar", },
{ .name = "cros-ec-sysfs", },
+ { .name = "cros-ec-pchg", },
+};
+
+static const struct mfd_cell cros_ec_lightbar_cells[] = {
+ { .name = "cros-ec-lightbar", }
};
static const struct mfd_cell cros_ec_vbc_cells[] = {
@@ -207,6 +212,20 @@ static int ec_device_probe(struct platform_device *pdev)
}
/*
+ * Lightbar is a special case. Newer devices support autodetection,
+ * but older ones do not.
+ */
+ if (cros_ec_check_features(ec, EC_FEATURE_LIGHTBAR) ||
+ dmi_match(DMI_PRODUCT_NAME, "Link")) {
+ retval = mfd_add_hotplug_devices(ec->dev,
+ cros_ec_lightbar_cells,
+ ARRAY_SIZE(cros_ec_lightbar_cells));
+ if (retval)
+ dev_warn(ec->dev, "failed to add lightbar: %d\n",
+ retval);
+ }
+
+ /*
* The PD notifier driver cell is separate since it only needs to be
* explicitly added on platforms that don't have the PD notifier ACPI
* device entry defined.
diff --git a/drivers/mfd/da9052-i2c.c b/drivers/mfd/da9052-i2c.c
index 47556d2d9abe..8de93db35f3a 100644
--- a/drivers/mfd/da9052-i2c.c
+++ b/drivers/mfd/da9052-i2c.c
@@ -113,6 +113,7 @@ static const struct i2c_device_id da9052_i2c_id[] = {
{"da9053-bc", DA9053_BC},
{}
};
+MODULE_DEVICE_TABLE(i2c, da9052_i2c_id);
#ifdef CONFIG_OF
static const struct of_device_id dialog_dt_ids[] = {
@@ -154,13 +155,8 @@ static int da9052_i2c_probe(struct i2c_client *client,
return ret;
#ifdef CONFIG_OF
- if (!id) {
- struct device_node *np = client->dev.of_node;
- const struct of_device_id *deviceid;
-
- deviceid = of_match_node(dialog_dt_ids, np);
- id = deviceid->data;
- }
+ if (!id)
+ id = of_device_get_match_data(&client->dev);
#endif
if (!id) {
diff --git a/drivers/mfd/da9055-core.c b/drivers/mfd/da9055-core.c
index d074d213e661..c3bcbd8905c6 100644
--- a/drivers/mfd/da9055-core.c
+++ b/drivers/mfd/da9055-core.c
@@ -254,41 +254,19 @@ const struct regmap_config da9055_regmap_config = {
};
EXPORT_SYMBOL_GPL(da9055_regmap_config);
-static const struct resource da9055_onkey_resource = {
- .name = "ONKEY",
- .start = DA9055_IRQ_NONKEY,
- .end = DA9055_IRQ_NONKEY,
- .flags = IORESOURCE_IRQ,
-};
+static const struct resource da9055_onkey_resource =
+ DEFINE_RES_IRQ_NAMED(DA9055_IRQ_NONKEY, "ONKEY");
static const struct resource da9055_rtc_resource[] = {
- {
- .name = "ALM",
- .start = DA9055_IRQ_ALARM,
- .end = DA9055_IRQ_ALARM,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "TICK",
- .start = DA9055_IRQ_TICK,
- .end = DA9055_IRQ_TICK,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(DA9055_IRQ_ALARM, "ALM"),
+ DEFINE_RES_IRQ_NAMED(DA9055_IRQ_TICK, "TICK"),
};
-static const struct resource da9055_hwmon_resource = {
- .name = "HWMON",
- .start = DA9055_IRQ_HWMON,
- .end = DA9055_IRQ_HWMON,
- .flags = IORESOURCE_IRQ,
-};
+static const struct resource da9055_hwmon_resource =
+ DEFINE_RES_IRQ_NAMED(DA9055_IRQ_HWMON, "HWMON");
-static const struct resource da9055_ld05_6_resource = {
- .name = "REGULATOR",
- .start = DA9055_IRQ_REGULATOR,
- .end = DA9055_IRQ_REGULATOR,
- .flags = IORESOURCE_IRQ,
-};
+static const struct resource da9055_ld05_6_resource =
+ DEFINE_RES_IRQ_NAMED(DA9055_IRQ_REGULATOR, "REGULATOR");
static const struct mfd_cell da9055_devs[] = {
{
diff --git a/drivers/mfd/da9062-core.c b/drivers/mfd/da9062-core.c
index 8d913375152d..01f8e10dfa55 100644
--- a/drivers/mfd/da9062-core.c
+++ b/drivers/mfd/da9062-core.c
@@ -9,6 +9,7 @@
#include <linux/init.h>
#include <linux/device.h>
#include <linux/interrupt.h>
+#include <linux/of_device.h>
#include <linux/regmap.h>
#include <linux/irq.h>
#include <linux/mfd/core.h>
@@ -622,7 +623,6 @@ static int da9062_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct da9062 *chip;
- const struct of_device_id *match;
unsigned int irq_base;
const struct mfd_cell *cell;
const struct regmap_irq_chip *irq_chip;
@@ -635,15 +635,10 @@ static int da9062_i2c_probe(struct i2c_client *i2c,
if (!chip)
return -ENOMEM;
- if (i2c->dev.of_node) {
- match = of_match_node(da9062_dt_ids, i2c->dev.of_node);
- if (!match)
- return -EINVAL;
-
- chip->chip_type = (uintptr_t)match->data;
- } else {
+ if (i2c->dev.of_node)
+ chip->chip_type = (uintptr_t)of_device_get_match_data(&i2c->dev);
+ else
chip->chip_type = id->driver_data;
- }
i2c_set_clientdata(i2c, chip);
chip->dev = &i2c->dev;
diff --git a/drivers/mfd/da9063-i2c.c b/drivers/mfd/da9063-i2c.c
index 783a14af18e2..4b7f707b7952 100644
--- a/drivers/mfd/da9063-i2c.c
+++ b/drivers/mfd/da9063-i2c.c
@@ -448,7 +448,7 @@ static int da9063_i2c_probe(struct i2c_client *i2c,
DA9063_TWOWIRE_TO);
if (ret < 0) {
dev_err(da9063->dev, "Failed to set Two-Wire Bus Mode.\n");
- return -EIO;
+ return ret;
}
}
diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c
index 167faac9b75b..3bde7fda755f 100644
--- a/drivers/mfd/db8500-prcmu.c
+++ b/drivers/mfd/db8500-prcmu.c
@@ -616,7 +616,7 @@ enum romcode_read prcmu_get_rc_p2a(void)
}
/**
- * prcmu_get_current_mode - Return the current XP70 power mode
+ * prcmu_get_xp70_current_state - Return the current XP70 power mode
* Returns: Returns the current AP(ARM) power mode: init,
* apBoot, apExecute, apDeepSleep, apSleep, apIdle, apReset
*/
@@ -898,7 +898,7 @@ unlock_and_return:
}
/**
- * db8500_set_ape_opp - set the appropriate APE OPP
+ * db8500_prcmu_set_ape_opp - set the appropriate APE OPP
* @opp: The new APE operating point to which transition is to be made
* Returns: 0 on success, non-zero on failure
*
@@ -2297,7 +2297,7 @@ u16 db8500_prcmu_get_reset_code(void)
}
/**
- * db8500_prcmu_reset_modem - ask the PRCMU to reset modem
+ * db8500_prcmu_modem_reset - ask the PRCMU to reset modem
*/
void db8500_prcmu_modem_reset(void)
{
diff --git a/drivers/mfd/hi655x-pmic.c b/drivers/mfd/hi655x-pmic.c
index d3c86a7a3805..6909d075d017 100644
--- a/drivers/mfd/hi655x-pmic.c
+++ b/drivers/mfd/hi655x-pmic.c
@@ -2,7 +2,7 @@
/*
* Device driver for MFD hi655x PMIC
*
- * Copyright (c) 2016 Hisilicon.
+ * Copyright (c) 2016 HiSilicon Ltd.
*
* Authors:
* Chen Feng <puck.chen@hisilicon.com>
diff --git a/drivers/mfd/intel-lpss-pci.c b/drivers/mfd/intel-lpss-pci.c
index 79c53617489c..c54d19fb184c 100644
--- a/drivers/mfd/intel-lpss-pci.c
+++ b/drivers/mfd/intel-lpss-pci.c
@@ -310,6 +310,19 @@ static const struct pci_device_id intel_lpss_pci_ids[] = {
{ PCI_VDEVICE(INTEL, 0x51ea), (kernel_ulong_t)&bxt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x51eb), (kernel_ulong_t)&bxt_i2c_info },
{ PCI_VDEVICE(INTEL, 0x51fb), (kernel_ulong_t)&bxt_info },
+ /* ADL-M */
+ { PCI_VDEVICE(INTEL, 0x54a8), (kernel_ulong_t)&bxt_uart_info },
+ { PCI_VDEVICE(INTEL, 0x54a9), (kernel_ulong_t)&bxt_uart_info },
+ { PCI_VDEVICE(INTEL, 0x54aa), (kernel_ulong_t)&bxt_info },
+ { PCI_VDEVICE(INTEL, 0x54ab), (kernel_ulong_t)&bxt_info },
+ { PCI_VDEVICE(INTEL, 0x54c5), (kernel_ulong_t)&bxt_i2c_info },
+ { PCI_VDEVICE(INTEL, 0x54c6), (kernel_ulong_t)&bxt_i2c_info },
+ { PCI_VDEVICE(INTEL, 0x54c7), (kernel_ulong_t)&bxt_uart_info },
+ { PCI_VDEVICE(INTEL, 0x54e8), (kernel_ulong_t)&bxt_i2c_info },
+ { PCI_VDEVICE(INTEL, 0x54e9), (kernel_ulong_t)&bxt_i2c_info },
+ { PCI_VDEVICE(INTEL, 0x54ea), (kernel_ulong_t)&bxt_i2c_info },
+ { PCI_VDEVICE(INTEL, 0x54eb), (kernel_ulong_t)&bxt_i2c_info },
+ { PCI_VDEVICE(INTEL, 0x54fb), (kernel_ulong_t)&bxt_info },
/* APL */
{ PCI_VDEVICE(INTEL, 0x5aac), (kernel_ulong_t)&apl_i2c_info },
{ PCI_VDEVICE(INTEL, 0x5aae), (kernel_ulong_t)&apl_i2c_info },
diff --git a/drivers/mfd/intel_soc_pmic_bxtwc.c b/drivers/mfd/intel_soc_pmic_bxtwc.c
index 47d0d3a69a58..bc069c4daa60 100644
--- a/drivers/mfd/intel_soc_pmic_bxtwc.c
+++ b/drivers/mfd/intel_soc_pmic_bxtwc.c
@@ -330,14 +330,14 @@ static int regmap_ipc_byte_reg_write(void *context, unsigned int reg,
/* sysfs interfaces to r/w PMIC registers, required by initial script */
static unsigned long bxtwc_reg_addr;
-static ssize_t bxtwc_reg_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t addr_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
return sprintf(buf, "0x%lx\n", bxtwc_reg_addr);
}
-static ssize_t bxtwc_reg_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t addr_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
{
if (kstrtoul(buf, 0, &bxtwc_reg_addr)) {
dev_err(dev, "Invalid register address\n");
@@ -346,8 +346,8 @@ static ssize_t bxtwc_reg_store(struct device *dev,
return (ssize_t)count;
}
-static ssize_t bxtwc_val_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t val_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
int ret;
unsigned int val;
@@ -362,8 +362,8 @@ static ssize_t bxtwc_val_show(struct device *dev,
return sprintf(buf, "0x%02x\n", val);
}
-static ssize_t bxtwc_val_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t val_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
{
int ret;
unsigned int val;
@@ -382,8 +382,8 @@ static ssize_t bxtwc_val_store(struct device *dev,
return count;
}
-static DEVICE_ATTR(addr, S_IWUSR | S_IRUSR, bxtwc_reg_show, bxtwc_reg_store);
-static DEVICE_ATTR(val, S_IWUSR | S_IRUSR, bxtwc_val_show, bxtwc_val_store);
+static DEVICE_ATTR_ADMIN_RW(addr);
+static DEVICE_ATTR_ADMIN_RW(val);
static struct attribute *bxtwc_attrs[] = {
&dev_attr_addr.attr,
&dev_attr_val.attr,
diff --git a/drivers/mfd/janz-cmodio.c b/drivers/mfd/janz-cmodio.c
index 3df4e9a2998f..70eba4ce496f 100644
--- a/drivers/mfd/janz-cmodio.c
+++ b/drivers/mfd/janz-cmodio.c
@@ -149,15 +149,15 @@ static int cmodio_probe_submodules(struct cmodio_device *priv)
* SYSFS Attributes
*/
-static ssize_t mbus_show(struct device *dev, struct device_attribute *attr,
- char *buf)
+static ssize_t modulbus_number_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct cmodio_device *priv = dev_get_drvdata(dev);
return snprintf(buf, PAGE_SIZE, "%x\n", priv->hex);
}
-static DEVICE_ATTR(modulbus_number, S_IRUGO, mbus_show, NULL);
+static DEVICE_ATTR_RO(modulbus_number);
static struct attribute *cmodio_sysfs_attrs[] = {
&dev_attr_modulbus_number.attr,
diff --git a/drivers/mfd/kempld-core.c b/drivers/mfd/kempld-core.c
index 9166075c1f32..bb26241c73bd 100644
--- a/drivers/mfd/kempld-core.c
+++ b/drivers/mfd/kempld-core.c
@@ -344,16 +344,16 @@ static const char *kempld_get_type_string(struct kempld_device_data *pld)
return version_type;
}
-static ssize_t kempld_version_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t pld_version_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct kempld_device_data *pld = dev_get_drvdata(dev);
return scnprintf(buf, PAGE_SIZE, "%s\n", pld->info.version);
}
-static ssize_t kempld_specification_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t pld_specification_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct kempld_device_data *pld = dev_get_drvdata(dev);
@@ -361,18 +361,17 @@ static ssize_t kempld_specification_show(struct device *dev,
pld->info.spec_minor);
}
-static ssize_t kempld_type_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t pld_type_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct kempld_device_data *pld = dev_get_drvdata(dev);
return scnprintf(buf, PAGE_SIZE, "%s\n", kempld_get_type_string(pld));
}
-static DEVICE_ATTR(pld_version, S_IRUGO, kempld_version_show, NULL);
-static DEVICE_ATTR(pld_specification, S_IRUGO, kempld_specification_show,
- NULL);
-static DEVICE_ATTR(pld_type, S_IRUGO, kempld_type_show, NULL);
+static DEVICE_ATTR_RO(pld_version);
+static DEVICE_ATTR_RO(pld_specification);
+static DEVICE_ATTR_RO(pld_type);
static struct attribute *pld_attributes[] = {
&dev_attr_pld_version.attr,
diff --git a/drivers/mfd/lp87565.c b/drivers/mfd/lp87565.c
index 9c21483d9653..a52ab76febb3 100644
--- a/drivers/mfd/lp87565.c
+++ b/drivers/mfd/lp87565.c
@@ -5,6 +5,7 @@
* Author: Keerthy <j-keerthy@ti.com>
*/
+#include <linux/gpio/consumer.h>
#include <linux/interrupt.h>
#include <linux/mfd/core.h>
#include <linux/module.h>
@@ -64,6 +65,24 @@ static int lp87565_probe(struct i2c_client *client,
return ret;
}
+ lp87565->reset_gpio = devm_gpiod_get_optional(lp87565->dev, "reset",
+ GPIOD_OUT_LOW);
+ if (IS_ERR(lp87565->reset_gpio)) {
+ ret = PTR_ERR(lp87565->reset_gpio);
+ if (ret == -EPROBE_DEFER)
+ return ret;
+ }
+
+ if (lp87565->reset_gpio) {
+ gpiod_set_value_cansleep(lp87565->reset_gpio, 1);
+ /* The minimum assertion time is undocumented, just guess */
+ usleep_range(2000, 4000);
+
+ gpiod_set_value_cansleep(lp87565->reset_gpio, 0);
+ /* Min 1.2 ms before first I2C transaction */
+ usleep_range(1500, 3000);
+ }
+
ret = regmap_read(lp87565->regmap, LP87565_REG_OTP_REV, &otpid);
if (ret) {
dev_err(lp87565->dev, "Failed to read OTP ID\n");
@@ -83,6 +102,13 @@ static int lp87565_probe(struct i2c_client *client,
NULL, 0, NULL);
}
+static void lp87565_shutdown(struct i2c_client *client)
+{
+ struct lp87565 *lp87565 = i2c_get_clientdata(client);
+
+ gpiod_set_value_cansleep(lp87565->reset_gpio, 1);
+}
+
static const struct i2c_device_id lp87565_id_table[] = {
{ "lp87565-q1", 0 },
{ },
@@ -95,6 +121,7 @@ static struct i2c_driver lp87565_driver = {
.of_match_table = of_lp87565_match_table,
},
.probe = lp87565_probe,
+ .shutdown = lp87565_shutdown,
.id_table = lp87565_id_table,
};
module_i2c_driver(lp87565_driver);
diff --git a/drivers/mfd/max8907.c b/drivers/mfd/max8907.c
index d44baafd9d14..41f566e6a096 100644
--- a/drivers/mfd/max8907.c
+++ b/drivers/mfd/max8907.c
@@ -228,11 +228,9 @@ static int max8907_i2c_probe(struct i2c_client *i2c,
goto err_regmap_rtc;
}
- irq_set_status_flags(max8907->i2c_gen->irq, IRQ_NOAUTOEN);
-
ret = regmap_add_irq_chip(max8907->regmap_gen, max8907->i2c_gen->irq,
- IRQF_ONESHOT | IRQF_SHARED, -1,
- &max8907_chg_irq_chip,
+ IRQF_ONESHOT | IRQF_SHARED,
+ -1, &max8907_chg_irq_chip,
&max8907->irqc_chg);
if (ret != 0) {
dev_err(&i2c->dev, "failed to add chg irq chip: %d\n", ret);
@@ -255,8 +253,6 @@ static int max8907_i2c_probe(struct i2c_client *i2c,
goto err_irqc_rtc;
}
- enable_irq(max8907->i2c_gen->irq);
-
ret = mfd_add_devices(max8907->dev, -1, max8907_cells,
ARRAY_SIZE(max8907_cells), NULL, 0, NULL);
if (ret != 0) {
diff --git a/drivers/mfd/max8997.c b/drivers/mfd/max8997.c
index 68d8f2b95287..2141de78115d 100644
--- a/drivers/mfd/max8997.c
+++ b/drivers/mfd/max8997.c
@@ -11,6 +11,7 @@
#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/of_irq.h>
#include <linux/interrupt.h>
#include <linux/pm_runtime.h>
@@ -145,11 +146,9 @@ static struct max8997_platform_data *max8997_i2c_parse_dt_pdata(
static inline unsigned long max8997_i2c_get_driver_data(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
- if (IS_ENABLED(CONFIG_OF) && i2c->dev.of_node) {
- const struct of_device_id *match;
- match = of_match_node(max8997_pmic_dt_match, i2c->dev.of_node);
- return (unsigned long)match->data;
- }
+ if (i2c->dev.of_node)
+ return (unsigned long)of_device_get_match_data(&i2c->dev);
+
return id->driver_data;
}
diff --git a/drivers/mfd/max8998.c b/drivers/mfd/max8998.c
index 785f8e9841b7..0eb15e611b67 100644
--- a/drivers/mfd/max8998.c
+++ b/drivers/mfd/max8998.c
@@ -12,6 +12,7 @@
#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/of_irq.h>
#include <linux/pm_runtime.h>
#include <linux/mutex.h>
@@ -155,11 +156,8 @@ static struct max8998_platform_data *max8998_i2c_parse_dt_pdata(
static inline unsigned long max8998_i2c_get_driver_data(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
- if (IS_ENABLED(CONFIG_OF) && i2c->dev.of_node) {
- const struct of_device_id *match;
- match = of_match_node(max8998_dt_match, i2c->dev.of_node);
- return (unsigned long)match->data;
- }
+ if (i2c->dev.of_node)
+ return (unsigned long)of_device_get_match_data(&i2c->dev);
return id->driver_data;
}
diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
index 6f02b8022c6d..79f5c6a18815 100644
--- a/drivers/mfd/mfd-core.c
+++ b/drivers/mfd/mfd-core.c
@@ -266,18 +266,18 @@ static int mfd_add_device(struct device *parent, int id,
if (has_acpi_companion(&pdev->dev)) {
ret = acpi_check_resource_conflict(&res[r]);
if (ret)
- goto fail_of_entry;
+ goto fail_res_conflict;
}
}
}
ret = platform_device_add_resources(pdev, res, cell->num_resources);
if (ret)
- goto fail_of_entry;
+ goto fail_res_conflict;
ret = platform_device_add(pdev);
if (ret)
- goto fail_of_entry;
+ goto fail_res_conflict;
if (cell->pm_runtime_no_callbacks)
pm_runtime_no_callbacks(&pdev->dev);
@@ -286,13 +286,15 @@ static int mfd_add_device(struct device *parent, int id,
return 0;
+fail_res_conflict:
+ if (cell->swnode)
+ device_remove_software_node(&pdev->dev);
fail_of_entry:
list_for_each_entry_safe(of_entry, tmp, &mfd_of_node_list, list)
if (of_entry->dev == &pdev->dev) {
list_del(&of_entry->list);
kfree(of_entry);
}
- device_remove_software_node(&pdev->dev);
fail_alias:
regulator_bulk_unregister_supply_alias(&pdev->dev,
cell->parent_supplies,
@@ -358,11 +360,12 @@ static int mfd_remove_devices_fn(struct device *dev, void *data)
if (level && cell->level > *level)
return 0;
+ if (cell->swnode)
+ device_remove_software_node(&pdev->dev);
+
regulator_bulk_unregister_supply_alias(dev, cell->parent_supplies,
cell->num_parent_supplies);
- device_remove_software_node(&pdev->dev);
-
platform_device_unregister(pdev);
return 0;
}
diff --git a/drivers/mfd/motorola-cpcap.c b/drivers/mfd/motorola-cpcap.c
index 30d82bfe5b02..6fb206da2729 100644
--- a/drivers/mfd/motorola-cpcap.c
+++ b/drivers/mfd/motorola-cpcap.c
@@ -327,6 +327,10 @@ static int cpcap_probe(struct spi_device *spi)
if (ret)
return ret;
+ /* Parent SPI controller uses DMA, CPCAP and child devices do not */
+ spi->dev.coherent_dma_mask = 0;
+ spi->dev.dma_mask = &spi->dev.coherent_dma_mask;
+
return devm_mfd_add_devices(&spi->dev, 0, cpcap_mfd_devices,
ARRAY_SIZE(cpcap_mfd_devices), NULL, 0, NULL);
}
diff --git a/drivers/mfd/mt6360-core.c b/drivers/mfd/mt6360-core.c
index 480722acf706..e628953548ce 100644
--- a/drivers/mfd/mt6360-core.c
+++ b/drivers/mfd/mt6360-core.c
@@ -5,121 +5,180 @@
* Author: Gene Chen <gene_chen@richtek.com>
*/
+#include <linux/crc8.h>
#include <linux/i2c.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/mfd/core.h>
#include <linux/module.h>
-#include <linux/of_irq.h>
-#include <linux/of_platform.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+
+enum {
+ MT6360_SLAVE_TCPC = 0,
+ MT6360_SLAVE_PMIC,
+ MT6360_SLAVE_LDO,
+ MT6360_SLAVE_PMU,
+ MT6360_SLAVE_MAX,
+};
+
+struct mt6360_ddata {
+ struct i2c_client *i2c[MT6360_SLAVE_MAX];
+ struct device *dev;
+ struct regmap *regmap;
+ struct regmap_irq_chip_data *irq_data;
+ unsigned int chip_rev;
+ u8 crc8_tbl[CRC8_TABLE_SIZE];
+};
-#include <linux/mfd/mt6360.h>
+#define MT6360_TCPC_SLAVEID 0x4E
+#define MT6360_PMIC_SLAVEID 0x1A
+#define MT6360_LDO_SLAVEID 0x64
+#define MT6360_PMU_SLAVEID 0x34
+
+#define MT6360_REG_TCPCSTART 0x00
+#define MT6360_REG_TCPCEND 0xFF
+#define MT6360_REG_PMICSTART 0x100
+#define MT6360_REG_PMICEND 0x13B
+#define MT6360_REG_LDOSTART 0x200
+#define MT6360_REG_LDOEND 0x21C
+#define MT6360_REG_PMUSTART 0x300
+#define MT6360_PMU_DEV_INFO 0x300
+#define MT6360_PMU_CHG_IRQ1 0x3D0
+#define MT6360_PMU_CHG_MASK1 0x3F0
+#define MT6360_REG_PMUEND 0x3FF
+
+#define MT6360_PMU_IRQ_REGNUM 16
+
+#define CHIP_VEN_MASK 0xF0
+#define CHIP_VEN_MT6360 0x50
+#define CHIP_REV_MASK 0x0F
+
+#define MT6360_ADDRESS_MASK 0x3F
+#define MT6360_DATA_SIZE_1_BYTE 0x00
+#define MT6360_DATA_SIZE_2_BYTES 0x40
+#define MT6360_DATA_SIZE_3_BYTES 0x80
+#define MT6360_DATA_SIZE_4_BYTES 0xC0
+
+#define MT6360_CRC8_POLYNOMIAL 0x7
+
+#define MT6360_CRC_I2C_ADDR_SIZE 1
+#define MT6360_CRC_REG_ADDR_SIZE 1
+/* prealloca read size = i2c device addr + i2c reg addr + val ... + crc8 */
+#define MT6360_ALLOC_READ_SIZE(_size) (_size + 3)
+/* prealloca write size = i2c device addr + i2c reg addr + val ... + crc8 + dummy byte */
+#define MT6360_ALLOC_WRITE_SIZE(_size) (_size + 4)
+#define MT6360_CRC_PREDATA_OFFSET (MT6360_CRC_I2C_ADDR_SIZE + MT6360_CRC_REG_ADDR_SIZE)
+#define MT6360_CRC_CRC8_SIZE 1
+#define MT6360_CRC_DUMMY_BYTE_SIZE 1
+#define MT6360_REGMAP_REG_BYTE_SIZE 2
+#define I2C_ADDR_XLATE_8BIT(_addr, _rw) (((_addr & 0x7F) << 1) + _rw)
/* reg 0 -> 0 ~ 7 */
-#define MT6360_CHG_TREG_EVT (4)
-#define MT6360_CHG_AICR_EVT (5)
-#define MT6360_CHG_MIVR_EVT (6)
-#define MT6360_PWR_RDY_EVT (7)
+#define MT6360_CHG_TREG_EVT 4
+#define MT6360_CHG_AICR_EVT 5
+#define MT6360_CHG_MIVR_EVT 6
+#define MT6360_PWR_RDY_EVT 7
/* REG 1 -> 8 ~ 15 */
-#define MT6360_CHG_BATSYSUV_EVT (9)
-#define MT6360_FLED_CHG_VINOVP_EVT (11)
-#define MT6360_CHG_VSYSUV_EVT (12)
-#define MT6360_CHG_VSYSOV_EVT (13)
-#define MT6360_CHG_VBATOV_EVT (14)
-#define MT6360_CHG_VBUSOV_EVT (15)
+#define MT6360_CHG_BATSYSUV_EVT 9
+#define MT6360_FLED_CHG_VINOVP_EVT 11
+#define MT6360_CHG_VSYSUV_EVT 12
+#define MT6360_CHG_VSYSOV_EVT 13
+#define MT6360_CHG_VBATOV_EVT 14
+#define MT6360_CHG_VBUSOV_EVT 15
/* REG 2 -> 16 ~ 23 */
/* REG 3 -> 24 ~ 31 */
-#define MT6360_WD_PMU_DET (25)
-#define MT6360_WD_PMU_DONE (26)
-#define MT6360_CHG_TMRI (27)
-#define MT6360_CHG_ADPBADI (29)
-#define MT6360_CHG_RVPI (30)
-#define MT6360_OTPI (31)
+#define MT6360_WD_PMU_DET 25
+#define MT6360_WD_PMU_DONE 26
+#define MT6360_CHG_TMRI 27
+#define MT6360_CHG_ADPBADI 29
+#define MT6360_CHG_RVPI 30
+#define MT6360_OTPI 31
/* REG 4 -> 32 ~ 39 */
-#define MT6360_CHG_AICCMEASL (32)
-#define MT6360_CHGDET_DONEI (34)
-#define MT6360_WDTMRI (35)
-#define MT6360_SSFINISHI (36)
-#define MT6360_CHG_RECHGI (37)
-#define MT6360_CHG_TERMI (38)
-#define MT6360_CHG_IEOCI (39)
+#define MT6360_CHG_AICCMEASL 32
+#define MT6360_CHGDET_DONEI 34
+#define MT6360_WDTMRI 35
+#define MT6360_SSFINISHI 36
+#define MT6360_CHG_RECHGI 37
+#define MT6360_CHG_TERMI 38
+#define MT6360_CHG_IEOCI 39
/* REG 5 -> 40 ~ 47 */
-#define MT6360_PUMPX_DONEI (40)
-#define MT6360_BAT_OVP_ADC_EVT (41)
-#define MT6360_TYPEC_OTP_EVT (42)
-#define MT6360_ADC_WAKEUP_EVT (43)
-#define MT6360_ADC_DONEI (44)
-#define MT6360_BST_BATUVI (45)
-#define MT6360_BST_VBUSOVI (46)
-#define MT6360_BST_OLPI (47)
+#define MT6360_PUMPX_DONEI 40
+#define MT6360_BAT_OVP_ADC_EVT 41
+#define MT6360_TYPEC_OTP_EVT 42
+#define MT6360_ADC_WAKEUP_EVT 43
+#define MT6360_ADC_DONEI 44
+#define MT6360_BST_BATUVI 45
+#define MT6360_BST_VBUSOVI 46
+#define MT6360_BST_OLPI 47
/* REG 6 -> 48 ~ 55 */
-#define MT6360_ATTACH_I (48)
-#define MT6360_DETACH_I (49)
-#define MT6360_QC30_STPDONE (51)
-#define MT6360_QC_VBUSDET_DONE (52)
-#define MT6360_HVDCP_DET (53)
-#define MT6360_CHGDETI (54)
-#define MT6360_DCDTI (55)
+#define MT6360_ATTACH_I 48
+#define MT6360_DETACH_I 49
+#define MT6360_QC30_STPDONE 51
+#define MT6360_QC_VBUSDET_DONE 52
+#define MT6360_HVDCP_DET 53
+#define MT6360_CHGDETI 54
+#define MT6360_DCDTI 55
/* REG 7 -> 56 ~ 63 */
-#define MT6360_FOD_DONE_EVT (56)
-#define MT6360_FOD_OV_EVT (57)
-#define MT6360_CHRDET_UVP_EVT (58)
-#define MT6360_CHRDET_OVP_EVT (59)
-#define MT6360_CHRDET_EXT_EVT (60)
-#define MT6360_FOD_LR_EVT (61)
-#define MT6360_FOD_HR_EVT (62)
-#define MT6360_FOD_DISCHG_FAIL_EVT (63)
+#define MT6360_FOD_DONE_EVT 56
+#define MT6360_FOD_OV_EVT 57
+#define MT6360_CHRDET_UVP_EVT 58
+#define MT6360_CHRDET_OVP_EVT 59
+#define MT6360_CHRDET_EXT_EVT 60
+#define MT6360_FOD_LR_EVT 61
+#define MT6360_FOD_HR_EVT 62
+#define MT6360_FOD_DISCHG_FAIL_EVT 63
/* REG 8 -> 64 ~ 71 */
-#define MT6360_USBID_EVT (64)
-#define MT6360_APWDTRST_EVT (65)
-#define MT6360_EN_EVT (66)
-#define MT6360_QONB_RST_EVT (67)
-#define MT6360_MRSTB_EVT (68)
-#define MT6360_OTP_EVT (69)
-#define MT6360_VDDAOV_EVT (70)
-#define MT6360_SYSUV_EVT (71)
+#define MT6360_USBID_EVT 64
+#define MT6360_APWDTRST_EVT 65
+#define MT6360_EN_EVT 66
+#define MT6360_QONB_RST_EVT 67
+#define MT6360_MRSTB_EVT 68
+#define MT6360_OTP_EVT 69
+#define MT6360_VDDAOV_EVT 70
+#define MT6360_SYSUV_EVT 71
/* REG 9 -> 72 ~ 79 */
-#define MT6360_FLED_STRBPIN_EVT (72)
-#define MT6360_FLED_TORPIN_EVT (73)
-#define MT6360_FLED_TX_EVT (74)
-#define MT6360_FLED_LVF_EVT (75)
-#define MT6360_FLED2_SHORT_EVT (78)
-#define MT6360_FLED1_SHORT_EVT (79)
+#define MT6360_FLED_STRBPIN_EVT 72
+#define MT6360_FLED_TORPIN_EVT 73
+#define MT6360_FLED_TX_EVT 74
+#define MT6360_FLED_LVF_EVT 75
+#define MT6360_FLED2_SHORT_EVT 78
+#define MT6360_FLED1_SHORT_EVT 79
/* REG 10 -> 80 ~ 87 */
-#define MT6360_FLED2_STRB_EVT (80)
-#define MT6360_FLED1_STRB_EVT (81)
-#define MT6360_FLED2_STRB_TO_EVT (82)
-#define MT6360_FLED1_STRB_TO_EVT (83)
-#define MT6360_FLED2_TOR_EVT (84)
-#define MT6360_FLED1_TOR_EVT (85)
+#define MT6360_FLED2_STRB_EVT 80
+#define MT6360_FLED1_STRB_EVT 81
+#define MT6360_FLED2_STRB_TO_EVT 82
+#define MT6360_FLED1_STRB_TO_EVT 83
+#define MT6360_FLED2_TOR_EVT 84
+#define MT6360_FLED1_TOR_EVT 85
/* REG 11 -> 88 ~ 95 */
/* REG 12 -> 96 ~ 103 */
-#define MT6360_BUCK1_PGB_EVT (96)
-#define MT6360_BUCK1_OC_EVT (100)
-#define MT6360_BUCK1_OV_EVT (101)
-#define MT6360_BUCK1_UV_EVT (102)
+#define MT6360_BUCK1_PGB_EVT 96
+#define MT6360_BUCK1_OC_EVT 100
+#define MT6360_BUCK1_OV_EVT 101
+#define MT6360_BUCK1_UV_EVT 102
/* REG 13 -> 104 ~ 111 */
-#define MT6360_BUCK2_PGB_EVT (104)
-#define MT6360_BUCK2_OC_EVT (108)
-#define MT6360_BUCK2_OV_EVT (109)
-#define MT6360_BUCK2_UV_EVT (110)
+#define MT6360_BUCK2_PGB_EVT 104
+#define MT6360_BUCK2_OC_EVT 108
+#define MT6360_BUCK2_OV_EVT 109
+#define MT6360_BUCK2_UV_EVT 110
/* REG 14 -> 112 ~ 119 */
-#define MT6360_LDO1_OC_EVT (113)
-#define MT6360_LDO2_OC_EVT (114)
-#define MT6360_LDO3_OC_EVT (115)
-#define MT6360_LDO5_OC_EVT (117)
-#define MT6360_LDO6_OC_EVT (118)
-#define MT6360_LDO7_OC_EVT (119)
+#define MT6360_LDO1_OC_EVT 113
+#define MT6360_LDO2_OC_EVT 114
+#define MT6360_LDO3_OC_EVT 115
+#define MT6360_LDO5_OC_EVT 117
+#define MT6360_LDO6_OC_EVT 118
+#define MT6360_LDO7_OC_EVT 119
/* REG 15 -> 120 ~ 127 */
-#define MT6360_LDO1_PGB_EVT (121)
-#define MT6360_LDO2_PGB_EVT (122)
-#define MT6360_LDO3_PGB_EVT (123)
-#define MT6360_LDO5_PGB_EVT (125)
-#define MT6360_LDO6_PGB_EVT (126)
-#define MT6360_LDO7_PGB_EVT (127)
-
-static const struct regmap_irq mt6360_pmu_irqs[] = {
+#define MT6360_LDO1_PGB_EVT 121
+#define MT6360_LDO2_PGB_EVT 122
+#define MT6360_LDO3_PGB_EVT 123
+#define MT6360_LDO5_PGB_EVT 125
+#define MT6360_LDO6_PGB_EVT 126
+#define MT6360_LDO7_PGB_EVT 127
+
+static const struct regmap_irq mt6360_irqs[] = {
REGMAP_IRQ_REG_LINE(MT6360_CHG_TREG_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_CHG_AICR_EVT, 8),
REGMAP_IRQ_REG_LINE(MT6360_CHG_MIVR_EVT, 8),
@@ -208,30 +267,16 @@ static const struct regmap_irq mt6360_pmu_irqs[] = {
REGMAP_IRQ_REG_LINE(MT6360_LDO7_PGB_EVT, 8),
};
-static int mt6360_pmu_handle_post_irq(void *irq_drv_data)
-{
- struct mt6360_pmu_data *mpd = irq_drv_data;
-
- return regmap_update_bits(mpd->regmap,
- MT6360_PMU_IRQ_SET, MT6360_IRQ_RETRIG, MT6360_IRQ_RETRIG);
-}
-
-static struct regmap_irq_chip mt6360_pmu_irq_chip = {
- .irqs = mt6360_pmu_irqs,
- .num_irqs = ARRAY_SIZE(mt6360_pmu_irqs),
+static const struct regmap_irq_chip mt6360_irq_chip = {
+ .name = "mt6360_irqs",
+ .irqs = mt6360_irqs,
+ .num_irqs = ARRAY_SIZE(mt6360_irqs),
.num_regs = MT6360_PMU_IRQ_REGNUM,
.mask_base = MT6360_PMU_CHG_MASK1,
.status_base = MT6360_PMU_CHG_IRQ1,
.ack_base = MT6360_PMU_CHG_IRQ1,
.init_ack_masked = true,
.use_ack = true,
- .handle_post_irq = mt6360_pmu_handle_post_irq,
-};
-
-static const struct regmap_config mt6360_pmu_regmap_config = {
- .reg_bits = 8,
- .val_bits = 8,
- .max_register = MT6360_PMU_MAXREG,
};
static const struct resource mt6360_adc_resources[] = {
@@ -265,7 +310,7 @@ static const struct resource mt6360_led_resources[] = {
DEFINE_RES_IRQ_NAMED(MT6360_FLED1_STRB_TO_EVT, "fled1_strb_to_evt"),
};
-static const struct resource mt6360_pmic_resources[] = {
+static const struct resource mt6360_regulator_resources[] = {
DEFINE_RES_IRQ_NAMED(MT6360_BUCK1_PGB_EVT, "buck1_pgb_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_BUCK1_OC_EVT, "buck1_oc_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_BUCK1_OV_EVT, "buck1_ov_evt"),
@@ -278,9 +323,6 @@ static const struct resource mt6360_pmic_resources[] = {
DEFINE_RES_IRQ_NAMED(MT6360_LDO7_OC_EVT, "ldo7_oc_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_LDO6_PGB_EVT, "ldo6_pgb_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_LDO7_PGB_EVT, "ldo7_pgb_evt"),
-};
-
-static const struct resource mt6360_ldo_resources[] = {
DEFINE_RES_IRQ_NAMED(MT6360_LDO1_OC_EVT, "ldo1_oc_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_LDO2_OC_EVT, "ldo2_oc_evt"),
DEFINE_RES_IRQ_NAMED(MT6360_LDO3_OC_EVT, "ldo3_oc_evt"),
@@ -292,84 +334,241 @@ static const struct resource mt6360_ldo_resources[] = {
};
static const struct mfd_cell mt6360_devs[] = {
- MFD_CELL_OF("mt6360_adc", mt6360_adc_resources,
- NULL, 0, 0, "mediatek,mt6360_adc"),
- MFD_CELL_OF("mt6360_chg", mt6360_chg_resources,
- NULL, 0, 0, "mediatek,mt6360_chg"),
- MFD_CELL_OF("mt6360_led", mt6360_led_resources,
- NULL, 0, 0, "mediatek,mt6360_led"),
- MFD_CELL_OF("mt6360_pmic", mt6360_pmic_resources,
- NULL, 0, 0, "mediatek,mt6360_pmic"),
- MFD_CELL_OF("mt6360_ldo", mt6360_ldo_resources,
- NULL, 0, 0, "mediatek,mt6360_ldo"),
- MFD_CELL_OF("mt6360_tcpc", NULL,
- NULL, 0, 0, "mediatek,mt6360_tcpc"),
+ MFD_CELL_OF("mt6360-adc", mt6360_adc_resources,
+ NULL, 0, 0, "mediatek,mt6360-adc"),
+ MFD_CELL_OF("mt6360-chg", mt6360_chg_resources,
+ NULL, 0, 0, "mediatek,mt6360-chg"),
+ MFD_CELL_OF("mt6360-led", mt6360_led_resources,
+ NULL, 0, 0, "mediatek,mt6360-led"),
+ MFD_CELL_RES("mt6360-regulator", mt6360_regulator_resources),
+ MFD_CELL_OF("mt6360-tcpc", NULL,
+ NULL, 0, 0, "mediatek,mt6360-tcpc"),
};
+static int mt6360_check_vendor_info(struct mt6360_ddata *ddata)
+{
+ u32 info;
+ int ret;
+
+ ret = regmap_read(ddata->regmap, MT6360_PMU_DEV_INFO, &info);
+ if (ret < 0)
+ return ret;
+
+ if ((info & CHIP_VEN_MASK) != CHIP_VEN_MT6360) {
+ dev_err(ddata->dev, "Device not supported\n");
+ return -ENODEV;
+ }
+
+ ddata->chip_rev = info & CHIP_REV_MASK;
+
+ return 0;
+}
+
static const unsigned short mt6360_slave_addr[MT6360_SLAVE_MAX] = {
- MT6360_PMU_SLAVEID,
+ MT6360_TCPC_SLAVEID,
MT6360_PMIC_SLAVEID,
MT6360_LDO_SLAVEID,
- MT6360_TCPC_SLAVEID,
+ MT6360_PMU_SLAVEID,
};
-static int mt6360_pmu_probe(struct i2c_client *client)
+static int mt6360_xlate_pmicldo_addr(u8 *addr, int rw_size)
{
- struct mt6360_pmu_data *mpd;
- unsigned int reg_data;
- int i, ret;
+ /* Address is already in encoded [5:0] */
+ *addr &= MT6360_ADDRESS_MASK;
+
+ switch (rw_size) {
+ case 1:
+ *addr |= MT6360_DATA_SIZE_1_BYTE;
+ break;
+ case 2:
+ *addr |= MT6360_DATA_SIZE_2_BYTES;
+ break;
+ case 3:
+ *addr |= MT6360_DATA_SIZE_3_BYTES;
+ break;
+ case 4:
+ *addr |= MT6360_DATA_SIZE_4_BYTES;
+ break;
+ default:
+ return -EINVAL;
+ }
- mpd = devm_kzalloc(&client->dev, sizeof(*mpd), GFP_KERNEL);
- if (!mpd)
+ return 0;
+}
+
+static int mt6360_regmap_read(void *context, const void *reg, size_t reg_size,
+ void *val, size_t val_size)
+{
+ struct mt6360_ddata *ddata = context;
+ u8 bank = *(u8 *)reg;
+ u8 reg_addr = *(u8 *)(reg + 1);
+ struct i2c_client *i2c = ddata->i2c[bank];
+ bool crc_needed = false;
+ u8 *buf;
+ int buf_len = MT6360_ALLOC_READ_SIZE(val_size);
+ int read_size = val_size;
+ u8 crc;
+ int ret;
+
+ if (bank == MT6360_SLAVE_PMIC || bank == MT6360_SLAVE_LDO) {
+ crc_needed = true;
+ ret = mt6360_xlate_pmicldo_addr(&reg_addr, val_size);
+ if (ret < 0)
+ return ret;
+ read_size += MT6360_CRC_CRC8_SIZE;
+ }
+
+ buf = kzalloc(buf_len, GFP_KERNEL);
+ if (!buf)
return -ENOMEM;
- mpd->dev = &client->dev;
- i2c_set_clientdata(client, mpd);
+ buf[0] = I2C_ADDR_XLATE_8BIT(i2c->addr, I2C_SMBUS_READ);
+ buf[1] = reg_addr;
- mpd->regmap = devm_regmap_init_i2c(client, &mt6360_pmu_regmap_config);
- if (IS_ERR(mpd->regmap)) {
- dev_err(&client->dev, "Failed to register regmap\n");
- return PTR_ERR(mpd->regmap);
+ ret = i2c_smbus_read_i2c_block_data(i2c, reg_addr, read_size,
+ buf + MT6360_CRC_PREDATA_OFFSET);
+ if (ret < 0)
+ goto out;
+ else if (ret != read_size) {
+ ret = -EIO;
+ goto out;
}
- ret = regmap_read(mpd->regmap, MT6360_PMU_DEV_INFO, &reg_data);
- if (ret) {
- dev_err(&client->dev, "Device not found\n");
- return ret;
+ if (crc_needed) {
+ crc = crc8(ddata->crc8_tbl, buf, val_size + MT6360_CRC_PREDATA_OFFSET, 0);
+ if (crc != buf[val_size + MT6360_CRC_PREDATA_OFFSET]) {
+ ret = -EIO;
+ goto out;
+ }
}
- mpd->chip_rev = reg_data & CHIP_REV_MASK;
- if (mpd->chip_rev != CHIP_VEN_MT6360) {
- dev_err(&client->dev, "Device not supported\n");
- return -ENODEV;
+ memcpy(val, buf + MT6360_CRC_PREDATA_OFFSET, val_size);
+out:
+ kfree(buf);
+ return (ret < 0) ? ret : 0;
+}
+
+static int mt6360_regmap_write(void *context, const void *val, size_t val_size)
+{
+ struct mt6360_ddata *ddata = context;
+ u8 bank = *(u8 *)val;
+ u8 reg_addr = *(u8 *)(val + 1);
+ struct i2c_client *i2c = ddata->i2c[bank];
+ bool crc_needed = false;
+ u8 *buf;
+ int buf_len = MT6360_ALLOC_WRITE_SIZE(val_size);
+ int write_size = val_size - MT6360_REGMAP_REG_BYTE_SIZE;
+ int ret;
+
+ if (bank == MT6360_SLAVE_PMIC || bank == MT6360_SLAVE_LDO) {
+ crc_needed = true;
+ ret = mt6360_xlate_pmicldo_addr(&reg_addr, val_size - MT6360_REGMAP_REG_BYTE_SIZE);
+ if (ret < 0)
+ return ret;
}
- mt6360_pmu_irq_chip.irq_drv_data = mpd;
- ret = devm_regmap_add_irq_chip(&client->dev, mpd->regmap, client->irq,
- IRQF_TRIGGER_FALLING, 0,
- &mt6360_pmu_irq_chip, &mpd->irq_data);
- if (ret) {
- dev_err(&client->dev, "Failed to add Regmap IRQ Chip\n");
- return ret;
+ buf = kzalloc(buf_len, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ buf[0] = I2C_ADDR_XLATE_8BIT(i2c->addr, I2C_SMBUS_WRITE);
+ buf[1] = reg_addr;
+ memcpy(buf + MT6360_CRC_PREDATA_OFFSET, val + MT6360_REGMAP_REG_BYTE_SIZE, write_size);
+
+ if (crc_needed) {
+ buf[val_size] = crc8(ddata->crc8_tbl, buf, val_size, 0);
+ write_size += (MT6360_CRC_CRC8_SIZE + MT6360_CRC_DUMMY_BYTE_SIZE);
}
- mpd->i2c[0] = client;
- for (i = 1; i < MT6360_SLAVE_MAX; i++) {
- mpd->i2c[i] = devm_i2c_new_dummy_device(&client->dev,
- client->adapter,
- mt6360_slave_addr[i]);
- if (IS_ERR(mpd->i2c[i])) {
+ ret = i2c_smbus_write_i2c_block_data(i2c, reg_addr, write_size,
+ buf + MT6360_CRC_PREDATA_OFFSET);
+
+ kfree(buf);
+ return ret;
+}
+
+static const struct regmap_bus mt6360_regmap_bus = {
+ .read = mt6360_regmap_read,
+ .write = mt6360_regmap_write,
+
+ /* Due to PMIC and LDO CRC access size limit */
+ .max_raw_read = 4,
+ .max_raw_write = 4,
+};
+
+static bool mt6360_is_readwrite_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case MT6360_REG_TCPCSTART ... MT6360_REG_TCPCEND:
+ fallthrough;
+ case MT6360_REG_PMICSTART ... MT6360_REG_PMICEND:
+ fallthrough;
+ case MT6360_REG_LDOSTART ... MT6360_REG_LDOEND:
+ fallthrough;
+ case MT6360_REG_PMUSTART ... MT6360_REG_PMUEND:
+ return true;
+ }
+
+ return false;
+}
+
+static const struct regmap_config mt6360_regmap_config = {
+ .reg_bits = 16,
+ .val_bits = 8,
+ .reg_format_endian = REGMAP_ENDIAN_BIG,
+ .max_register = MT6360_REG_PMUEND,
+ .writeable_reg = mt6360_is_readwrite_reg,
+ .readable_reg = mt6360_is_readwrite_reg,
+};
+
+static int mt6360_probe(struct i2c_client *client)
+{
+ struct mt6360_ddata *ddata;
+ int i, ret;
+
+ ddata = devm_kzalloc(&client->dev, sizeof(*ddata), GFP_KERNEL);
+ if (!ddata)
+ return -ENOMEM;
+
+ ddata->dev = &client->dev;
+ i2c_set_clientdata(client, ddata);
+
+ for (i = 0; i < MT6360_SLAVE_MAX - 1; i++) {
+ ddata->i2c[i] = devm_i2c_new_dummy_device(&client->dev,
+ client->adapter,
+ mt6360_slave_addr[i]);
+ if (IS_ERR(ddata->i2c[i])) {
dev_err(&client->dev,
"Failed to get new dummy I2C device for address 0x%x",
mt6360_slave_addr[i]);
- return PTR_ERR(mpd->i2c[i]);
+ return PTR_ERR(ddata->i2c[i]);
}
- i2c_set_clientdata(mpd->i2c[i], mpd);
+ }
+ ddata->i2c[MT6360_SLAVE_MAX - 1] = client;
+
+ crc8_populate_msb(ddata->crc8_tbl, MT6360_CRC8_POLYNOMIAL);
+ ddata->regmap = devm_regmap_init(ddata->dev, &mt6360_regmap_bus, ddata,
+ &mt6360_regmap_config);
+ if (IS_ERR(ddata->regmap)) {
+ dev_err(&client->dev, "Failed to register regmap\n");
+ return PTR_ERR(ddata->regmap);
+ }
+
+ ret = mt6360_check_vendor_info(ddata);
+ if (ret)
+ return ret;
+
+ ret = devm_regmap_add_irq_chip(&client->dev, ddata->regmap, client->irq,
+ 0, 0, &mt6360_irq_chip,
+ &ddata->irq_data);
+ if (ret) {
+ dev_err(&client->dev, "Failed to add Regmap IRQ Chip\n");
+ return ret;
}
ret = devm_mfd_add_devices(&client->dev, PLATFORM_DEVID_AUTO,
mt6360_devs, ARRAY_SIZE(mt6360_devs), NULL,
- 0, regmap_irq_get_domain(mpd->irq_data));
+ 0, regmap_irq_get_domain(ddata->irq_data));
if (ret) {
dev_err(&client->dev,
"Failed to register subordinate devices\n");
@@ -379,7 +578,7 @@ static int mt6360_pmu_probe(struct i2c_client *client)
return 0;
}
-static int __maybe_unused mt6360_pmu_suspend(struct device *dev)
+static int __maybe_unused mt6360_suspend(struct device *dev)
{
struct i2c_client *i2c = to_i2c_client(dev);
@@ -389,7 +588,7 @@ static int __maybe_unused mt6360_pmu_suspend(struct device *dev)
return 0;
}
-static int __maybe_unused mt6360_pmu_resume(struct device *dev)
+static int __maybe_unused mt6360_resume(struct device *dev)
{
struct i2c_client *i2c = to_i2c_client(dev);
@@ -400,25 +599,24 @@ static int __maybe_unused mt6360_pmu_resume(struct device *dev)
return 0;
}
-static SIMPLE_DEV_PM_OPS(mt6360_pmu_pm_ops,
- mt6360_pmu_suspend, mt6360_pmu_resume);
+static SIMPLE_DEV_PM_OPS(mt6360_pm_ops, mt6360_suspend, mt6360_resume);
-static const struct of_device_id __maybe_unused mt6360_pmu_of_id[] = {
- { .compatible = "mediatek,mt6360_pmu", },
+static const struct of_device_id __maybe_unused mt6360_of_id[] = {
+ { .compatible = "mediatek,mt6360", },
{},
};
-MODULE_DEVICE_TABLE(of, mt6360_pmu_of_id);
+MODULE_DEVICE_TABLE(of, mt6360_of_id);
-static struct i2c_driver mt6360_pmu_driver = {
+static struct i2c_driver mt6360_driver = {
.driver = {
- .name = "mt6360_pmu",
- .pm = &mt6360_pmu_pm_ops,
- .of_match_table = of_match_ptr(mt6360_pmu_of_id),
+ .name = "mt6360",
+ .pm = &mt6360_pm_ops,
+ .of_match_table = of_match_ptr(mt6360_of_id),
},
- .probe_new = mt6360_pmu_probe,
+ .probe_new = mt6360_probe,
};
-module_i2c_driver(mt6360_pmu_driver);
+module_i2c_driver(mt6360_driver);
MODULE_AUTHOR("Gene Chen <gene_chen@richtek.com>");
-MODULE_DESCRIPTION("MT6360 PMU I2C Driver");
+MODULE_DESCRIPTION("MT6360 I2C Driver");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c
index 9a615f75fbde..bddb40054b9e 100644
--- a/drivers/mfd/mt6397-core.c
+++ b/drivers/mfd/mt6397-core.c
@@ -47,14 +47,21 @@ static const struct resource mt6397_rtc_resources[] = {
DEFINE_RES_IRQ(MT6397_IRQ_RTC),
};
+static const struct resource mt6358_keys_resources[] = {
+ DEFINE_RES_IRQ_NAMED(MT6358_IRQ_PWRKEY, "powerkey"),
+ DEFINE_RES_IRQ_NAMED(MT6358_IRQ_HOMEKEY, "homekey"),
+ DEFINE_RES_IRQ_NAMED(MT6358_IRQ_PWRKEY_R, "powerkey_r"),
+ DEFINE_RES_IRQ_NAMED(MT6358_IRQ_HOMEKEY_R, "homekey_r"),
+};
+
static const struct resource mt6323_keys_resources[] = {
- DEFINE_RES_IRQ(MT6323_IRQ_STATUS_PWRKEY),
- DEFINE_RES_IRQ(MT6323_IRQ_STATUS_FCHRKEY),
+ DEFINE_RES_IRQ_NAMED(MT6323_IRQ_STATUS_PWRKEY, "powerkey"),
+ DEFINE_RES_IRQ_NAMED(MT6323_IRQ_STATUS_FCHRKEY, "homekey"),
};
static const struct resource mt6397_keys_resources[] = {
- DEFINE_RES_IRQ(MT6397_IRQ_PWRKEY),
- DEFINE_RES_IRQ(MT6397_IRQ_HOMEKEY),
+ DEFINE_RES_IRQ_NAMED(MT6397_IRQ_PWRKEY, "powerkey"),
+ DEFINE_RES_IRQ_NAMED(MT6397_IRQ_HOMEKEY, "homekey"),
};
static const struct resource mt6323_pwrc_resources[] = {
@@ -98,6 +105,11 @@ static const struct mfd_cell mt6358_devs[] = {
}, {
.name = "mt6358-sound",
.of_compatible = "mediatek,mt6358-sound"
+ }, {
+ .name = "mt6358-keys",
+ .num_resources = ARRAY_SIZE(mt6358_keys_resources),
+ .resources = mt6358_keys_resources,
+ .of_compatible = "mediatek,mt6358-keys"
},
};
diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c
index 2a3a240b4619..787d2ae86375 100644
--- a/drivers/mfd/omap-usb-host.c
+++ b/drivers/mfd/omap-usb-host.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
-/**
+/*
* omap-usb-host.c - The USBHS core driver for OMAP EHCI & OHCI
*
* Copyright (C) 2011-2013 Texas Instruments Incorporated - https://www.ti.com
diff --git a/drivers/mfd/omap-usb-tll.c b/drivers/mfd/omap-usb-tll.c
index 16fad79c73f1..080d7970a377 100644
--- a/drivers/mfd/omap-usb-tll.c
+++ b/drivers/mfd/omap-usb-tll.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
-/**
+/*
* omap-usb-tll.c - The USB TLL driver for OMAP EHCI & OHCI
*
* Copyright (C) 2012-2013 Texas Instruments Incorporated - https://www.ti.com
diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c
index 148bcd6120f4..e9c565cf0f54 100644
--- a/drivers/mfd/pcf50633-core.c
+++ b/drivers/mfd/pcf50633-core.c
@@ -77,8 +77,8 @@ int pcf50633_reg_clear_bits(struct pcf50633 *pcf, u8 reg, u8 val)
EXPORT_SYMBOL_GPL(pcf50633_reg_clear_bits);
/* sysfs attributes */
-static ssize_t show_dump_regs(struct device *dev, struct device_attribute *attr,
- char *buf)
+static ssize_t dump_regs_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct pcf50633 *pcf = dev_get_drvdata(dev);
u8 dump[16];
@@ -106,10 +106,10 @@ static ssize_t show_dump_regs(struct device *dev, struct device_attribute *attr,
return buf1 - buf;
}
-static DEVICE_ATTR(dump_regs, 0400, show_dump_regs, NULL);
+static DEVICE_ATTR_ADMIN_RO(dump_regs);
-static ssize_t show_resume_reason(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t resume_reason_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct pcf50633 *pcf = dev_get_drvdata(dev);
int n;
@@ -123,7 +123,7 @@ static ssize_t show_resume_reason(struct device *dev,
return n;
}
-static DEVICE_ATTR(resume_reason, 0400, show_resume_reason, NULL);
+static DEVICE_ATTR_ADMIN_RO(resume_reason);
static struct attribute *pcf_sysfs_entries[] = {
&dev_attr_dump_regs.attr,
diff --git a/drivers/mfd/qcom-pm8008.c b/drivers/mfd/qcom-pm8008.c
new file mode 100644
index 000000000000..c472d7f8103c
--- /dev/null
+++ b/drivers/mfd/qcom-pm8008.c
@@ -0,0 +1,260 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2021, The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/bitops.h>
+#include <linux/i2c.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/of_platform.h>
+#include <linux/pinctrl/consumer.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+
+#include <dt-bindings/mfd/qcom-pm8008.h>
+
+#define I2C_INTR_STATUS_BASE 0x0550
+#define INT_RT_STS_OFFSET 0x10
+#define INT_SET_TYPE_OFFSET 0x11
+#define INT_POL_HIGH_OFFSET 0x12
+#define INT_POL_LOW_OFFSET 0x13
+#define INT_LATCHED_CLR_OFFSET 0x14
+#define INT_EN_SET_OFFSET 0x15
+#define INT_EN_CLR_OFFSET 0x16
+#define INT_LATCHED_STS_OFFSET 0x18
+
+enum {
+ PM8008_MISC,
+ PM8008_TEMP_ALARM,
+ PM8008_GPIO1,
+ PM8008_GPIO2,
+ PM8008_NUM_PERIPHS,
+};
+
+#define PM8008_PERIPH_0_BASE 0x900
+#define PM8008_PERIPH_1_BASE 0x2400
+#define PM8008_PERIPH_2_BASE 0xC000
+#define PM8008_PERIPH_3_BASE 0xC100
+
+#define PM8008_TEMP_ALARM_ADDR PM8008_PERIPH_1_BASE
+#define PM8008_GPIO1_ADDR PM8008_PERIPH_2_BASE
+#define PM8008_GPIO2_ADDR PM8008_PERIPH_3_BASE
+
+#define PM8008_STATUS_BASE (PM8008_PERIPH_0_BASE | INT_LATCHED_STS_OFFSET)
+#define PM8008_MASK_BASE (PM8008_PERIPH_0_BASE | INT_EN_SET_OFFSET)
+#define PM8008_UNMASK_BASE (PM8008_PERIPH_0_BASE | INT_EN_CLR_OFFSET)
+#define PM8008_TYPE_BASE (PM8008_PERIPH_0_BASE | INT_SET_TYPE_OFFSET)
+#define PM8008_ACK_BASE (PM8008_PERIPH_0_BASE | INT_LATCHED_CLR_OFFSET)
+#define PM8008_POLARITY_HI_BASE (PM8008_PERIPH_0_BASE | INT_POL_HIGH_OFFSET)
+#define PM8008_POLARITY_LO_BASE (PM8008_PERIPH_0_BASE | INT_POL_LOW_OFFSET)
+
+#define PM8008_PERIPH_OFFSET(paddr) (paddr - PM8008_PERIPH_0_BASE)
+
+struct pm8008_data {
+ struct device *dev;
+ struct regmap *regmap;
+ int irq;
+ struct regmap_irq_chip_data *irq_data;
+};
+
+static unsigned int p0_offs[] = {PM8008_PERIPH_OFFSET(PM8008_PERIPH_0_BASE)};
+static unsigned int p1_offs[] = {PM8008_PERIPH_OFFSET(PM8008_PERIPH_1_BASE)};
+static unsigned int p2_offs[] = {PM8008_PERIPH_OFFSET(PM8008_PERIPH_2_BASE)};
+static unsigned int p3_offs[] = {PM8008_PERIPH_OFFSET(PM8008_PERIPH_3_BASE)};
+
+static struct regmap_irq_sub_irq_map pm8008_sub_reg_offsets[] = {
+ REGMAP_IRQ_MAIN_REG_OFFSET(p0_offs),
+ REGMAP_IRQ_MAIN_REG_OFFSET(p1_offs),
+ REGMAP_IRQ_MAIN_REG_OFFSET(p2_offs),
+ REGMAP_IRQ_MAIN_REG_OFFSET(p3_offs),
+};
+
+static unsigned int pm8008_virt_regs[] = {
+ PM8008_POLARITY_HI_BASE,
+ PM8008_POLARITY_LO_BASE,
+};
+
+enum {
+ POLARITY_HI_INDEX,
+ POLARITY_LO_INDEX,
+ PM8008_NUM_VIRT_REGS,
+};
+
+static struct regmap_irq pm8008_irqs[] = {
+ REGMAP_IRQ_REG(PM8008_IRQ_MISC_UVLO, PM8008_MISC, BIT(0)),
+ REGMAP_IRQ_REG(PM8008_IRQ_MISC_OVLO, PM8008_MISC, BIT(1)),
+ REGMAP_IRQ_REG(PM8008_IRQ_MISC_OTST2, PM8008_MISC, BIT(2)),
+ REGMAP_IRQ_REG(PM8008_IRQ_MISC_OTST3, PM8008_MISC, BIT(3)),
+ REGMAP_IRQ_REG(PM8008_IRQ_MISC_LDO_OCP, PM8008_MISC, BIT(4)),
+ REGMAP_IRQ_REG(PM8008_IRQ_TEMP_ALARM, PM8008_TEMP_ALARM, BIT(0)),
+ REGMAP_IRQ_REG(PM8008_IRQ_GPIO1, PM8008_GPIO1, BIT(0)),
+ REGMAP_IRQ_REG(PM8008_IRQ_GPIO2, PM8008_GPIO2, BIT(0)),
+};
+
+static int pm8008_set_type_virt(unsigned int **virt_buf,
+ unsigned int type, unsigned long hwirq,
+ int reg)
+{
+ switch (type) {
+ case IRQ_TYPE_EDGE_FALLING:
+ case IRQ_TYPE_LEVEL_LOW:
+ virt_buf[POLARITY_HI_INDEX][reg] &= ~pm8008_irqs[hwirq].mask;
+ virt_buf[POLARITY_LO_INDEX][reg] |= pm8008_irqs[hwirq].mask;
+ break;
+
+ case IRQ_TYPE_EDGE_RISING:
+ case IRQ_TYPE_LEVEL_HIGH:
+ virt_buf[POLARITY_HI_INDEX][reg] |= pm8008_irqs[hwirq].mask;
+ virt_buf[POLARITY_LO_INDEX][reg] &= ~pm8008_irqs[hwirq].mask;
+ break;
+
+ case IRQ_TYPE_EDGE_BOTH:
+ virt_buf[POLARITY_HI_INDEX][reg] |= pm8008_irqs[hwirq].mask;
+ virt_buf[POLARITY_LO_INDEX][reg] |= pm8008_irqs[hwirq].mask;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static struct regmap_irq_chip pm8008_irq_chip = {
+ .name = "pm8008_irq",
+ .main_status = I2C_INTR_STATUS_BASE,
+ .num_main_regs = 1,
+ .num_virt_regs = PM8008_NUM_VIRT_REGS,
+ .irqs = pm8008_irqs,
+ .num_irqs = ARRAY_SIZE(pm8008_irqs),
+ .num_regs = PM8008_NUM_PERIPHS,
+ .not_fixed_stride = true,
+ .sub_reg_offsets = pm8008_sub_reg_offsets,
+ .set_type_virt = pm8008_set_type_virt,
+ .status_base = PM8008_STATUS_BASE,
+ .mask_base = PM8008_MASK_BASE,
+ .unmask_base = PM8008_UNMASK_BASE,
+ .type_base = PM8008_TYPE_BASE,
+ .ack_base = PM8008_ACK_BASE,
+ .virt_reg_base = pm8008_virt_regs,
+ .num_type_reg = PM8008_NUM_PERIPHS,
+};
+
+static struct regmap_config qcom_mfd_regmap_cfg = {
+ .reg_bits = 16,
+ .val_bits = 8,
+ .max_register = 0xFFFF,
+};
+
+static int pm8008_init(struct pm8008_data *chip)
+{
+ int rc;
+
+ /*
+ * Set TEMP_ALARM peripheral's TYPE so that the regmap-irq framework
+ * reads this as the default value instead of zero, the HW default.
+ * This is required to enable the writing of TYPE registers in
+ * regmap_irq_sync_unlock().
+ */
+ rc = regmap_write(chip->regmap,
+ (PM8008_TEMP_ALARM_ADDR | INT_SET_TYPE_OFFSET),
+ BIT(0));
+ if (rc)
+ return rc;
+
+ /* Do the same for GPIO1 and GPIO2 peripherals */
+ rc = regmap_write(chip->regmap,
+ (PM8008_GPIO1_ADDR | INT_SET_TYPE_OFFSET), BIT(0));
+ if (rc)
+ return rc;
+
+ rc = regmap_write(chip->regmap,
+ (PM8008_GPIO2_ADDR | INT_SET_TYPE_OFFSET), BIT(0));
+
+ return rc;
+}
+
+static int pm8008_probe_irq_peripherals(struct pm8008_data *chip,
+ int client_irq)
+{
+ int rc, i;
+ struct regmap_irq_type *type;
+ struct regmap_irq_chip_data *irq_data;
+
+ rc = pm8008_init(chip);
+ if (rc) {
+ dev_err(chip->dev, "Init failed: %d\n", rc);
+ return rc;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(pm8008_irqs); i++) {
+ type = &pm8008_irqs[i].type;
+
+ type->type_reg_offset = pm8008_irqs[i].reg_offset;
+ type->type_rising_val = pm8008_irqs[i].mask;
+ type->type_falling_val = pm8008_irqs[i].mask;
+ type->type_level_high_val = 0;
+ type->type_level_low_val = 0;
+
+ if (type->type_reg_offset == PM8008_MISC)
+ type->types_supported = IRQ_TYPE_EDGE_RISING;
+ else
+ type->types_supported = (IRQ_TYPE_EDGE_BOTH |
+ IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW);
+ }
+
+ rc = devm_regmap_add_irq_chip(chip->dev, chip->regmap, client_irq,
+ IRQF_SHARED, 0, &pm8008_irq_chip, &irq_data);
+ if (rc) {
+ dev_err(chip->dev, "Failed to add IRQ chip: %d\n", rc);
+ return rc;
+ }
+
+ return 0;
+}
+
+static int pm8008_probe(struct i2c_client *client)
+{
+ int rc;
+ struct pm8008_data *chip;
+
+ chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
+ if (!chip)
+ return -ENOMEM;
+
+ chip->dev = &client->dev;
+ chip->regmap = devm_regmap_init_i2c(client, &qcom_mfd_regmap_cfg);
+ if (!chip->regmap)
+ return -ENODEV;
+
+ i2c_set_clientdata(client, chip);
+
+ if (of_property_read_bool(chip->dev->of_node, "interrupt-controller")) {
+ rc = pm8008_probe_irq_peripherals(chip, client->irq);
+ if (rc)
+ dev_err(chip->dev, "Failed to probe irq periphs: %d\n", rc);
+ }
+
+ return devm_of_platform_populate(chip->dev);
+}
+
+static const struct of_device_id pm8008_match[] = {
+ { .compatible = "qcom,pm8008", },
+ { },
+};
+
+static struct i2c_driver pm8008_mfd_driver = {
+ .driver = {
+ .name = "pm8008",
+ .of_match_table = pm8008_match,
+ },
+ .probe_new = pm8008_probe,
+};
+module_i2c_driver(pm8008_mfd_driver);
+
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("i2c:qcom-pm8008");
diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c
index 6ed04e6dbc78..384acb459427 100644
--- a/drivers/mfd/rn5t618.c
+++ b/drivers/mfd/rn5t618.c
@@ -107,7 +107,7 @@ static int rn5t618_irq_init(struct rn5t618 *rn5t618)
ret = devm_regmap_add_irq_chip(rn5t618->dev, rn5t618->regmap,
rn5t618->irq,
- IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+ IRQF_TRIGGER_LOW | IRQF_ONESHOT,
0, irq_chip, &rn5t618->irq_data);
if (ret)
dev_err(rn5t618->dev, "Failed to register IRQ chip\n");
diff --git a/drivers/mfd/rt4831.c b/drivers/mfd/rt4831.c
new file mode 100644
index 000000000000..b169781ac675
--- /dev/null
+++ b/drivers/mfd/rt4831.c
@@ -0,0 +1,115 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2021 Richtek Technology Corp.
+ *
+ * Author: ChiYuan Huang <cy_huang@richtek.com>
+ */
+
+#include <linux/gpio/consumer.h>
+#include <linux/i2c.h>
+#include <linux/kernel.h>
+#include <linux/mfd/core.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+
+#define RT4831_REG_REVISION 0x01
+#define RT4831_REG_ENABLE 0x08
+#define RT4831_REG_I2CPROT 0x15
+
+#define RICHTEK_VENDOR_ID 0x03
+#define RT4831_VID_MASK GENMASK(1, 0)
+#define RT4831_RESET_MASK BIT(7)
+#define RT4831_I2CSAFETMR_MASK BIT(0)
+
+static const struct mfd_cell rt4831_subdevs[] = {
+ MFD_CELL_OF("rt4831-backlight", NULL, NULL, 0, 0, "richtek,rt4831-backlight"),
+ MFD_CELL_NAME("rt4831-regulator")
+};
+
+static bool rt4831_is_accessible_reg(struct device *dev, unsigned int reg)
+{
+ if (reg >= RT4831_REG_REVISION && reg <= RT4831_REG_I2CPROT)
+ return true;
+ return false;
+}
+
+static const struct regmap_config rt4831_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = RT4831_REG_I2CPROT,
+
+ .readable_reg = rt4831_is_accessible_reg,
+ .writeable_reg = rt4831_is_accessible_reg,
+};
+
+static int rt4831_probe(struct i2c_client *client)
+{
+ struct gpio_desc *enable_gpio;
+ struct regmap *regmap;
+ unsigned int chip_id;
+ int ret;
+
+ enable_gpio = devm_gpiod_get_optional(&client->dev, "enable", GPIOD_OUT_HIGH);
+ if (IS_ERR(enable_gpio)) {
+ dev_err(&client->dev, "Failed to get 'enable' GPIO\n");
+ return PTR_ERR(enable_gpio);
+ }
+
+ regmap = devm_regmap_init_i2c(client, &rt4831_regmap_config);
+ if (IS_ERR(regmap)) {
+ dev_err(&client->dev, "Failed to initialize regmap\n");
+ return PTR_ERR(regmap);
+ }
+
+ ret = regmap_read(regmap, RT4831_REG_REVISION, &chip_id);
+ if (ret) {
+ dev_err(&client->dev, "Failed to get H/W revision\n");
+ return ret;
+ }
+
+ if ((chip_id & RT4831_VID_MASK) != RICHTEK_VENDOR_ID) {
+ dev_err(&client->dev, "Chip vendor ID 0x%02x not matched\n", chip_id);
+ return -ENODEV;
+ }
+
+ /*
+ * Used to prevent the abnormal shutdown.
+ * If SCL/SDA both keep low for one second to reset HW.
+ */
+ ret = regmap_update_bits(regmap, RT4831_REG_I2CPROT, RT4831_I2CSAFETMR_MASK,
+ RT4831_I2CSAFETMR_MASK);
+ if (ret) {
+ dev_err(&client->dev, "Failed to enable I2C safety timer\n");
+ return ret;
+ }
+
+ return devm_mfd_add_devices(&client->dev, PLATFORM_DEVID_AUTO, rt4831_subdevs,
+ ARRAY_SIZE(rt4831_subdevs), NULL, 0, NULL);
+}
+
+static int rt4831_remove(struct i2c_client *client)
+{
+ struct regmap *regmap = dev_get_regmap(&client->dev, NULL);
+
+ /* Disable WLED and DSV outputs */
+ return regmap_update_bits(regmap, RT4831_REG_ENABLE, RT4831_RESET_MASK, RT4831_RESET_MASK);
+}
+
+static const struct of_device_id __maybe_unused rt4831_of_match[] = {
+ { .compatible = "richtek,rt4831", },
+ {}
+};
+MODULE_DEVICE_TABLE(of, rt4831_of_match);
+
+static struct i2c_driver rt4831_driver = {
+ .driver = {
+ .name = "rt4831",
+ .of_match_table = rt4831_of_match,
+ },
+ .probe_new = rt4831_probe,
+ .remove = rt4831_remove,
+};
+module_i2c_driver(rt4831_driver);
+
+MODULE_AUTHOR("ChiYuan Huang <cy_huang@richtek.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c
index 8d55992da19e..1fb29c45f5cf 100644
--- a/drivers/mfd/sec-core.c
+++ b/drivers/mfd/sec-core.c
@@ -10,6 +10,7 @@
#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/of_irq.h>
#include <linux/interrupt.h>
#include <linux/pm_runtime.h>
@@ -93,7 +94,6 @@ static const struct mfd_cell s2mpu02_devs[] = {
{ .name = "s2mpu02-regulator", },
};
-#ifdef CONFIG_OF
static const struct of_device_id sec_dt_match[] = {
{
.compatible = "samsung,s5m8767-pmic",
@@ -121,7 +121,6 @@ static const struct of_device_id sec_dt_match[] = {
},
};
MODULE_DEVICE_TABLE(of, sec_dt_match);
-#endif
static bool s2mpa01_volatile(struct device *dev, unsigned int reg)
{
@@ -281,7 +280,6 @@ static void sec_pmic_configure(struct sec_pmic_dev *sec_pmic)
}
}
-#ifdef CONFIG_OF
/*
* Only the common platform data elements for s5m8767 are parsed here from the
* device tree. Other sub-modules of s5m8767 such as pmic, rtc , charger and
@@ -300,48 +298,20 @@ sec_pmic_i2c_parse_dt_pdata(struct device *dev)
if (!pd)
return ERR_PTR(-ENOMEM);
- /*
- * ToDo: the 'wakeup' member in the platform data is more of a linux
- * specfic information. Hence, there is no binding for that yet and
- * not parsed here.
- */
-
pd->manual_poweroff = of_property_read_bool(dev->of_node,
"samsung,s2mps11-acokb-ground");
pd->disable_wrstbi = of_property_read_bool(dev->of_node,
"samsung,s2mps11-wrstbi-ground");
return pd;
}
-#else
-static struct sec_platform_data *
-sec_pmic_i2c_parse_dt_pdata(struct device *dev)
-{
- return NULL;
-}
-#endif
-
-static inline unsigned long sec_i2c_get_driver_data(struct i2c_client *i2c,
- const struct i2c_device_id *id)
-{
-#ifdef CONFIG_OF
- if (i2c->dev.of_node) {
- const struct of_device_id *match;
-
- match = of_match_node(sec_dt_match, i2c->dev.of_node);
- return (unsigned long)match->data;
- }
-#endif
- return id->driver_data;
-}
static int sec_pmic_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
- struct sec_platform_data *pdata = dev_get_platdata(&i2c->dev);
const struct regmap_config *regmap;
+ struct sec_platform_data *pdata;
const struct mfd_cell *sec_devs;
struct sec_pmic_dev *sec_pmic;
- unsigned long device_type;
int ret, num_sec_devs;
sec_pmic = devm_kzalloc(&i2c->dev, sizeof(struct sec_pmic_dev),
@@ -353,23 +323,16 @@ static int sec_pmic_probe(struct i2c_client *i2c,
sec_pmic->dev = &i2c->dev;
sec_pmic->i2c = i2c;
sec_pmic->irq = i2c->irq;
- device_type = sec_i2c_get_driver_data(i2c, id);
-
- if (sec_pmic->dev->of_node) {
- pdata = sec_pmic_i2c_parse_dt_pdata(sec_pmic->dev);
- if (IS_ERR(pdata)) {
- ret = PTR_ERR(pdata);
- return ret;
- }
- pdata->device_type = device_type;
- }
- if (pdata) {
- sec_pmic->device_type = pdata->device_type;
- sec_pmic->irq_base = pdata->irq_base;
- sec_pmic->wakeup = pdata->wakeup;
- sec_pmic->pdata = pdata;
+
+ pdata = sec_pmic_i2c_parse_dt_pdata(sec_pmic->dev);
+ if (IS_ERR(pdata)) {
+ ret = PTR_ERR(pdata);
+ return ret;
}
+ sec_pmic->device_type = (unsigned long)of_device_get_match_data(sec_pmic->dev);
+ sec_pmic->pdata = pdata;
+
switch (sec_pmic->device_type) {
case S2MPA01:
regmap = &s2mpa01_regmap_config;
@@ -408,9 +371,6 @@ static int sec_pmic_probe(struct i2c_client *i2c,
return ret;
}
- if (pdata && pdata->cfg_pmic_irq)
- pdata->cfg_pmic_irq();
-
sec_irq_init(sec_pmic);
pm_runtime_set_active(sec_pmic->dev);
@@ -462,7 +422,6 @@ static int sec_pmic_probe(struct i2c_client *i2c,
if (ret)
return ret;
- device_init_wakeup(sec_pmic->dev, sec_pmic->wakeup);
sec_pmic_configure(sec_pmic);
sec_pmic_dump_rev(sec_pmic);
@@ -533,21 +492,14 @@ static int sec_pmic_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(sec_pmic_pm_ops, sec_pmic_suspend, sec_pmic_resume);
-static const struct i2c_device_id sec_pmic_id[] = {
- { "sec_pmic", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, sec_pmic_id);
-
static struct i2c_driver sec_pmic_driver = {
.driver = {
.name = "sec_pmic",
.pm = &sec_pmic_pm_ops,
- .of_match_table = of_match_ptr(sec_dt_match),
+ .of_match_table = sec_dt_match,
},
.probe = sec_pmic_probe,
.shutdown = sec_pmic_shutdown,
- .id_table = sec_pmic_id,
};
module_i2c_driver(sec_pmic_driver);
diff --git a/drivers/mfd/sec-irq.c b/drivers/mfd/sec-irq.c
index a98c5d165039..e473c2fb42d5 100644
--- a/drivers/mfd/sec-irq.c
+++ b/drivers/mfd/sec-irq.c
@@ -444,7 +444,6 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic)
if (!sec_pmic->irq) {
dev_warn(sec_pmic->dev,
"No interrupt specified, no interrupts\n");
- sec_pmic->irq_base = 0;
return 0;
}
@@ -482,8 +481,7 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic)
ret = devm_regmap_add_irq_chip(sec_pmic->dev, sec_pmic->regmap_pmic,
sec_pmic->irq,
IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
- sec_pmic->irq_base, sec_irq_chip,
- &sec_pmic->irq_data);
+ 0, sec_irq_chip, &sec_pmic->irq_data);
if (ret != 0) {
dev_err(sec_pmic->dev, "Failed to register IRQ chip: %d\n", ret);
return ret;
diff --git a/drivers/mfd/si476x-cmd.c b/drivers/mfd/si476x-cmd.c
index d15b3e783369..f32f1fb93e37 100644
--- a/drivers/mfd/si476x-cmd.c
+++ b/drivers/mfd/si476x-cmd.c
@@ -390,7 +390,7 @@ static int si476x_cmd_tune_seek_freq(struct si476x_core *core,
}
/**
- * si476x_cmd_func_info() - send 'FUNC_INFO' command to the device
+ * si476x_core_cmd_func_info() - send 'FUNC_INFO' command to the device
* @core: device to send the command to
* @info: struct si476x_func_info to fill all the information
* returned by the command
@@ -424,7 +424,7 @@ int si476x_core_cmd_func_info(struct si476x_core *core,
EXPORT_SYMBOL_GPL(si476x_core_cmd_func_info);
/**
- * si476x_cmd_set_property() - send 'SET_PROPERTY' command to the device
+ * si476x_core_cmd_set_property() - send 'SET_PROPERTY' command to the device
* @core: device to send the command to
* @property: property address
* @value: property value
@@ -452,7 +452,7 @@ int si476x_core_cmd_set_property(struct si476x_core *core,
EXPORT_SYMBOL_GPL(si476x_core_cmd_set_property);
/**
- * si476x_cmd_get_property() - send 'GET_PROPERTY' command to the device
+ * si476x_core_cmd_get_property() - send 'GET_PROPERTY' command to the device
* @core: device to send the command to
* @property: property address
*
@@ -481,7 +481,7 @@ int si476x_core_cmd_get_property(struct si476x_core *core, u16 property)
EXPORT_SYMBOL_GPL(si476x_core_cmd_get_property);
/**
- * si476x_cmd_dig_audio_pin_cfg() - send 'DIG_AUDIO_PIN_CFG' command to
+ * si476x_core_cmd_dig_audio_pin_cfg() - send 'DIG_AUDIO_PIN_CFG' command to
* the device
* @core: device to send the command to
* @dclk: DCLK pin function configuration:
@@ -539,7 +539,7 @@ int si476x_core_cmd_dig_audio_pin_cfg(struct si476x_core *core,
EXPORT_SYMBOL_GPL(si476x_core_cmd_dig_audio_pin_cfg);
/**
- * si476x_cmd_zif_pin_cfg - send 'ZIF_PIN_CFG_COMMAND'
+ * si476x_core_cmd_zif_pin_cfg - send 'ZIF_PIN_CFG_COMMAND'
* @core: - device to send the command to
* @iqclk: - IQCL pin function configuration:
* SI476X_IQCLK_NOOP - do not modify the behaviour
@@ -588,7 +588,7 @@ int si476x_core_cmd_zif_pin_cfg(struct si476x_core *core,
EXPORT_SYMBOL_GPL(si476x_core_cmd_zif_pin_cfg);
/**
- * si476x_cmd_ic_link_gpo_ctl_pin_cfg - send
+ * si476x_core_cmd_ic_link_gpo_ctl_pin_cfg - send
* 'IC_LINK_GPIO_CTL_PIN_CFG' comand to the device
* @core: - device to send the command to
* @icin: - ICIN pin function configuration:
@@ -645,7 +645,7 @@ int si476x_core_cmd_ic_link_gpo_ctl_pin_cfg(struct si476x_core *core,
EXPORT_SYMBOL_GPL(si476x_core_cmd_ic_link_gpo_ctl_pin_cfg);
/**
- * si476x_cmd_ana_audio_pin_cfg - send 'ANA_AUDIO_PIN_CFG' to the
+ * si476x_core_cmd_ana_audio_pin_cfg - send 'ANA_AUDIO_PIN_CFG' to the
* device
* @core: - device to send the command to
* @lrout: - LROUT pin function configuration:
@@ -674,7 +674,7 @@ EXPORT_SYMBOL_GPL(si476x_core_cmd_ana_audio_pin_cfg);
/**
- * si476x_cmd_intb_pin_cfg - send 'INTB_PIN_CFG' command to the device
+ * si476x_core_cmd_intb_pin_cfg_a10 - send 'INTB_PIN_CFG' command to the device
* @core: - device to send the command to
* @intb: - INTB pin function configuration:
* SI476X_INTB_NOOP - do not modify the behaviour
@@ -726,12 +726,12 @@ static int si476x_core_cmd_intb_pin_cfg_a20(struct si476x_core *core,
/**
- * si476x_cmd_am_rsq_status - send 'AM_RSQ_STATUS' command to the
+ * si476x_core_cmd_am_rsq_status - send 'AM_RSQ_STATUS' command to the
* device
* @core: - device to send the command to
* @rsqargs: - pointer to a structure containing a group of sub-args
* relevant to sending the RSQ status command
- * @report: - all signal quality information retured by the command
+ * @report: - all signal quality information returned by the command
* (if NULL then the output of the command is ignored)
*
* Function returns 0 on success and negative error code on failure
@@ -856,7 +856,7 @@ EXPORT_SYMBOL_GPL(si476x_core_cmd_am_acf_status);
/**
- * si476x_cmd_fm_seek_start - send 'FM_SEEK_START' command to the
+ * si476x_core_cmd_fm_seek_start - send 'FM_SEEK_START' command to the
* device
* @core: - device to send the command to
* @seekup: - if set the direction of the search is 'up'
@@ -884,7 +884,7 @@ int si476x_core_cmd_fm_seek_start(struct si476x_core *core,
EXPORT_SYMBOL_GPL(si476x_core_cmd_fm_seek_start);
/**
- * si476x_cmd_fm_rds_status - send 'FM_RDS_STATUS' command to the
+ * si476x_core_cmd_fm_rds_status - send 'FM_RDS_STATUS' command to the
* device
* @core: - device to send the command to
* @status_only: - if set the data is not removed from RDSFIFO,
@@ -892,7 +892,7 @@ EXPORT_SYMBOL_GPL(si476x_core_cmd_fm_seek_start);
* rest RDS data contains the last valid info received
* @mtfifo: if set the command clears RDS receive FIFO
* @intack: if set the command clards the RDSINT bit.
- * @report: - all signal quality information retured by the command
+ * @report: - all signal quality information returned by the command
* (if NULL then the output of the command is ignored)
*
* Function returns 0 on success and negative error code on failure
@@ -1032,7 +1032,7 @@ EXPORT_SYMBOL_GPL(si476x_core_cmd_fm_phase_div_status);
/**
- * si476x_cmd_am_seek_start - send 'FM_SEEK_START' command to the
+ * si476x_core_cmd_am_seek_start - send 'FM_SEEK_START' command to the
* device
* @core: - device to send the command to
* @seekup: - if set the direction of the search is 'up'
diff --git a/drivers/mfd/si476x-i2c.c b/drivers/mfd/si476x-i2c.c
index c1d7b845244e..a2635c2d9d1a 100644
--- a/drivers/mfd/si476x-i2c.c
+++ b/drivers/mfd/si476x-i2c.c
@@ -350,7 +350,7 @@ static inline void si476x_core_start_rds_drainer_once(struct si476x_core *core)
mutex_unlock(&core->rds_drainer_status_lock);
}
/**
- * si476x_drain_rds_fifo() - RDS buffer drainer.
+ * si476x_core_drain_rds_fifo() - RDS buffer drainer.
* @work: struct work_struct being ppassed to the function by the
* kernel.
*
@@ -454,7 +454,7 @@ int si476x_core_i2c_xfer(struct si476x_core *core,
EXPORT_SYMBOL_GPL(si476x_core_i2c_xfer);
/**
- * si476x_get_status()
+ * si476x_core_get_status()
* @core: Core device structure
*
* Get the status byte of the core device by berforming one byte I2C
@@ -473,7 +473,7 @@ static int si476x_core_get_status(struct si476x_core *core)
}
/**
- * si476x_get_and_signal_status() - IRQ dispatcher
+ * si476x_core_get_and_signal_status() - IRQ dispatcher
* @core: Core device structure
*
* Dispatch the arrived interrupt request based on the value of the
@@ -532,7 +532,7 @@ static irqreturn_t si476x_core_interrupt(int irq, void *dev)
}
/**
- * si476x_firmware_version_to_revision()
+ * si476x_core_fwver_to_revision()
* @core: Core device structure
* @func: Selects the boot function of the device:
* *_BOOTLOADER - Boot loader
@@ -603,7 +603,7 @@ unknown_revision:
}
/**
- * si476x_get_revision_info()
+ * si476x_core_get_revision_info()
* @core: Core device structure
*
* Get the firmware version number of the device. It is done in
diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c
index 6d2f4a0a901d..bc0a2c38653e 100644
--- a/drivers/mfd/sm501.c
+++ b/drivers/mfd/sm501.c
@@ -1190,13 +1190,13 @@ static int sm501_register_gpio_i2c(struct sm501_devdata *sm,
return 0;
}
-/* sm501_dbg_regs
+/* dbg_regs_show
*
* Debug attribute to attach to parent device to show core registers
*/
-static ssize_t sm501_dbg_regs(struct device *dev,
- struct device_attribute *attr, char *buff)
+static ssize_t dbg_regs_show(struct device *dev,
+ struct device_attribute *attr, char *buff)
{
struct sm501_devdata *sm = dev_get_drvdata(dev) ;
unsigned int reg;
@@ -1213,7 +1213,7 @@ static ssize_t sm501_dbg_regs(struct device *dev,
}
-static DEVICE_ATTR(dbg_regs, 0444, sm501_dbg_regs, NULL);
+static DEVICE_ATTR_RO(dbg_regs);
/* sm501_init_reg
*
diff --git a/drivers/mfd/stmpe-i2c.c b/drivers/mfd/stmpe-i2c.c
index 61aa020199f5..cd2f45257dc1 100644
--- a/drivers/mfd/stmpe-i2c.c
+++ b/drivers/mfd/stmpe-i2c.c
@@ -109,7 +109,7 @@ static const struct i2c_device_id stmpe_i2c_id[] = {
{ "stmpe2403", STMPE2403 },
{ }
};
-MODULE_DEVICE_TABLE(i2c, stmpe_id);
+MODULE_DEVICE_TABLE(i2c, stmpe_i2c_id);
static struct i2c_driver stmpe_i2c_driver = {
.driver = {
diff --git a/drivers/mfd/sun6i-prcm.c b/drivers/mfd/sun6i-prcm.c
index c31927d4bbbe..ee03db0b8485 100644
--- a/drivers/mfd/sun6i-prcm.c
+++ b/drivers/mfd/sun6i-prcm.c
@@ -20,43 +20,23 @@ struct prcm_data {
};
static const struct resource sun6i_a31_ar100_clk_res[] = {
- {
- .start = 0x0,
- .end = 0x3,
- .flags = IORESOURCE_MEM,
- },
+ DEFINE_RES_MEM(0x0, 4)
};
static const struct resource sun6i_a31_apb0_clk_res[] = {
- {
- .start = 0xc,
- .end = 0xf,
- .flags = IORESOURCE_MEM,
- },
+ DEFINE_RES_MEM(0xc, 4)
};
static const struct resource sun6i_a31_apb0_gates_clk_res[] = {
- {
- .start = 0x28,
- .end = 0x2b,
- .flags = IORESOURCE_MEM,
- },
+ DEFINE_RES_MEM(0x28, 4)
};
static const struct resource sun6i_a31_ir_clk_res[] = {
- {
- .start = 0x54,
- .end = 0x57,
- .flags = IORESOURCE_MEM,
- },
+ DEFINE_RES_MEM(0x54, 4)
};
static const struct resource sun6i_a31_apb0_rstc_res[] = {
- {
- .start = 0xb0,
- .end = 0xb3,
- .flags = IORESOURCE_MEM,
- },
+ DEFINE_RES_MEM(0xb0, 4)
};
static const struct resource sun8i_codec_analog_res[] = {
diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c
index c6f139b2e0c0..765c0210cb52 100644
--- a/drivers/mfd/syscon.c
+++ b/drivers/mfd/syscon.c
@@ -108,6 +108,7 @@ static struct syscon *of_syscon_register(struct device_node *np, bool check_clk)
syscon_config.max_register = resource_size(&res) - reg_io_width;
regmap = regmap_init_mmio(NULL, base, &syscon_config);
+ kfree(syscon_config.name);
if (IS_ERR(regmap)) {
pr_err("regmap init failed\n");
ret = PTR_ERR(regmap);
@@ -144,7 +145,6 @@ err_clk:
regmap_exit(regmap);
err_regmap:
iounmap(base);
- kfree(syscon_config.name);
err_map:
kfree(syscon);
return ERR_PTR(ret);
diff --git a/drivers/mfd/t7l66xb.c b/drivers/mfd/t7l66xb.c
index 70da0c4ae457..5369c67e3280 100644
--- a/drivers/mfd/t7l66xb.c
+++ b/drivers/mfd/t7l66xb.c
@@ -37,16 +37,8 @@ enum {
};
static const struct resource t7l66xb_mmc_resources[] = {
- {
- .start = 0x800,
- .end = 0x9ff,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = IRQ_T7L66XB_MMC,
- .end = IRQ_T7L66XB_MMC,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_MEM(0x800, 0x200),
+ DEFINE_RES_IRQ(IRQ_T7L66XB_MMC)
};
#define SCR_REVID 0x08 /* b Revision ID */
diff --git a/drivers/mfd/timberdale.c b/drivers/mfd/timberdale.c
index faecbca6dba3..9393ee60a656 100644
--- a/drivers/mfd/timberdale.c
+++ b/drivers/mfd/timberdale.c
@@ -623,8 +623,8 @@ static const struct mfd_cell timberdale_cells_bar2[] = {
},
};
-static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr,
- char *buf)
+static ssize_t fw_ver_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct timberdale_device *priv = dev_get_drvdata(dev);
@@ -632,7 +632,7 @@ static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr,
priv->fw.config);
}
-static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL);
+static DEVICE_ATTR_RO(fw_ver);
/*--------------------------------------------------------------------------*/
diff --git a/drivers/mfd/tps80031.c b/drivers/mfd/tps80031.c
index 902e33548dd0..3c4e62c3406a 100644
--- a/drivers/mfd/tps80031.c
+++ b/drivers/mfd/tps80031.c
@@ -35,11 +35,7 @@
#include <linux/slab.h>
static const struct resource tps80031_rtc_resources[] = {
- {
- .start = TPS80031_INT_RTC_ALARM,
- .end = TPS80031_INT_RTC_ALARM,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ(TPS80031_INT_RTC_ALARM),
};
/* TPS80031 sub mfd devices */
diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index 20cf8cfe4f3b..289b556dede2 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -485,7 +485,7 @@ int twl_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes)
EXPORT_SYMBOL(twl_i2c_read);
/**
- * twl_regcache_bypass - Configure the regcache bypass for the regmap associated
+ * twl_set_regcache_bypass - Configure the regcache bypass for the regmap associated
* with the module
* @mod_no: module number
* @enable: Regcache bypass state
diff --git a/drivers/mfd/ucb1x00-assabet.c b/drivers/mfd/ucb1x00-assabet.c
index ecc9e9fc331d..6a389737c615 100644
--- a/drivers/mfd/ucb1x00-assabet.c
+++ b/drivers/mfd/ucb1x00-assabet.c
@@ -28,7 +28,7 @@ static ssize_t name##_show(struct device *dev, struct device_attribute *attr, \
ucb1x00_adc_disable(ucb); \
return sprintf(buf, "%d\n", val); \
} \
-static DEVICE_ATTR(name,0444,name##_show,NULL)
+static DEVICE_ATTR_RO(name)
UCB1X00_ATTR(vbatt, UCB_ADC_INP_AD1);
UCB1X00_ATTR(vcharger, UCB_ADC_INP_AD0);
diff --git a/drivers/mfd/wcd934x.c b/drivers/mfd/wcd934x.c
index c274d733b656..aa19a6a4fdbf 100644
--- a/drivers/mfd/wcd934x.c
+++ b/drivers/mfd/wcd934x.c
@@ -17,6 +17,21 @@
#include <linux/regulator/consumer.h>
#include <linux/slimbus.h>
+#define WCD934X_REGMAP_IRQ_REG(_irq, _off, _mask) \
+ [_irq] = { \
+ .reg_offset = (_off), \
+ .mask = (_mask), \
+ .type = { \
+ .type_reg_offset = (_off), \
+ .types_supported = IRQ_TYPE_EDGE_BOTH, \
+ .type_reg_mask = (_mask), \
+ .type_level_low_val = (_mask), \
+ .type_level_high_val = (_mask), \
+ .type_falling_val = 0, \
+ .type_rising_val = 0, \
+ }, \
+ }
+
static const struct mfd_cell wcd934x_devices[] = {
{
.name = "wcd934x-codec",
@@ -30,32 +45,15 @@ static const struct mfd_cell wcd934x_devices[] = {
};
static const struct regmap_irq wcd934x_irqs[] = {
- [WCD934X_IRQ_SLIMBUS] = {
- .reg_offset = 0,
- .mask = BIT(0),
- .type = {
- .type_reg_offset = 0,
- .types_supported = IRQ_TYPE_EDGE_BOTH,
- .type_reg_mask = BIT(0),
- .type_level_low_val = BIT(0),
- .type_level_high_val = BIT(0),
- .type_falling_val = 0,
- .type_rising_val = 0,
- },
- },
- [WCD934X_IRQ_SOUNDWIRE] = {
- .reg_offset = 2,
- .mask = BIT(4),
- .type = {
- .type_reg_offset = 2,
- .types_supported = IRQ_TYPE_EDGE_BOTH,
- .type_reg_mask = BIT(4),
- .type_level_low_val = BIT(4),
- .type_level_high_val = BIT(4),
- .type_falling_val = 0,
- .type_rising_val = 0,
- },
- },
+ WCD934X_REGMAP_IRQ_REG(WCD934X_IRQ_SLIMBUS, 0, BIT(0)),
+ WCD934X_REGMAP_IRQ_REG(WCD934X_IRQ_HPH_PA_OCPL_FAULT, 0, BIT(2)),
+ WCD934X_REGMAP_IRQ_REG(WCD934X_IRQ_HPH_PA_OCPR_FAULT, 0, BIT(3)),
+ WCD934X_REGMAP_IRQ_REG(WCD934X_IRQ_MBHC_SW_DET, 1, BIT(0)),
+ WCD934X_REGMAP_IRQ_REG(WCD934X_IRQ_MBHC_ELECT_INS_REM_DET, 1, BIT(1)),
+ WCD934X_REGMAP_IRQ_REG(WCD934X_IRQ_MBHC_BUTTON_PRESS_DET, 1, BIT(2)),
+ WCD934X_REGMAP_IRQ_REG(WCD934X_IRQ_MBHC_BUTTON_RELEASE_DET, 1, BIT(3)),
+ WCD934X_REGMAP_IRQ_REG(WCD934X_IRQ_MBHC_ELECT_INS_REM_LEG_DET, 1, BIT(4)),
+ WCD934X_REGMAP_IRQ_REG(WCD934X_IRQ_SOUNDWIRE, 2, BIT(4)),
};
static const struct regmap_irq_chip wcd934x_regmap_irq_chip = {
diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c
index bcef08f58fb3..d2f444d2ae78 100644
--- a/drivers/mfd/wm831x-core.c
+++ b/drivers/mfd/wm831x-core.c
@@ -109,7 +109,7 @@ static int wm831x_reg_locked(struct wm831x *wm831x, unsigned short reg)
}
/**
- * wm831x_reg_unlock: Unlock user keyed registers
+ * wm831x_reg_lock: Unlock user keyed registers
*
* The WM831x has a user key preventing writes to particularly
* critical registers. This function locks those registers,
@@ -622,18 +622,8 @@ static const struct resource wm831x_dcdc1_resources[] = {
.end = WM831X_DC1_DVS_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_DC1,
- .end = WM831X_IRQ_UV_DC1,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "HC",
- .start = WM831X_IRQ_HC_DC1,
- .end = WM831X_IRQ_HC_DC1,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_DC1, "UV"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_HC_DC1, "HC"),
};
@@ -643,18 +633,8 @@ static const struct resource wm831x_dcdc2_resources[] = {
.end = WM831X_DC2_DVS_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_DC2,
- .end = WM831X_IRQ_UV_DC2,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "HC",
- .start = WM831X_IRQ_HC_DC2,
- .end = WM831X_IRQ_HC_DC2,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_DC2, "UV"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_HC_DC2, "HC"),
};
static const struct resource wm831x_dcdc3_resources[] = {
@@ -663,12 +643,7 @@ static const struct resource wm831x_dcdc3_resources[] = {
.end = WM831X_DC3_SLEEP_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_DC3,
- .end = WM831X_IRQ_UV_DC3,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_DC3, "UV"),
};
static const struct resource wm831x_dcdc4_resources[] = {
@@ -677,12 +652,7 @@ static const struct resource wm831x_dcdc4_resources[] = {
.end = WM831X_DC4_SLEEP_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_DC4,
- .end = WM831X_IRQ_UV_DC4,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_DC4, "UV"),
};
static const struct resource wm8320_dcdc4_buck_resources[] = {
@@ -691,12 +661,7 @@ static const struct resource wm8320_dcdc4_buck_resources[] = {
.end = WM832X_DC4_SLEEP_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_DC4,
- .end = WM831X_IRQ_UV_DC4,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_DC4, "UV"),
};
static const struct resource wm831x_gpio_resources[] = {
@@ -713,11 +678,7 @@ static const struct resource wm831x_isink1_resources[] = {
.end = WM831X_CURRENT_SINK_1,
.flags = IORESOURCE_REG,
},
- {
- .start = WM831X_IRQ_CS1,
- .end = WM831X_IRQ_CS1,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ(WM831X_IRQ_CS1),
};
static const struct resource wm831x_isink2_resources[] = {
@@ -726,11 +687,7 @@ static const struct resource wm831x_isink2_resources[] = {
.end = WM831X_CURRENT_SINK_2,
.flags = IORESOURCE_REG,
},
- {
- .start = WM831X_IRQ_CS2,
- .end = WM831X_IRQ_CS2,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ(WM831X_IRQ_CS2),
};
static const struct resource wm831x_ldo1_resources[] = {
@@ -739,12 +696,7 @@ static const struct resource wm831x_ldo1_resources[] = {
.end = WM831X_LDO1_SLEEP_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_LDO1,
- .end = WM831X_IRQ_UV_LDO1,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_LDO1, "UV"),
};
static const struct resource wm831x_ldo2_resources[] = {
@@ -753,12 +705,7 @@ static const struct resource wm831x_ldo2_resources[] = {
.end = WM831X_LDO2_SLEEP_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_LDO2,
- .end = WM831X_IRQ_UV_LDO2,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_LDO2, "UV"),
};
static const struct resource wm831x_ldo3_resources[] = {
@@ -767,12 +714,7 @@ static const struct resource wm831x_ldo3_resources[] = {
.end = WM831X_LDO3_SLEEP_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_LDO3,
- .end = WM831X_IRQ_UV_LDO3,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_LDO3, "UV"),
};
static const struct resource wm831x_ldo4_resources[] = {
@@ -781,12 +723,7 @@ static const struct resource wm831x_ldo4_resources[] = {
.end = WM831X_LDO4_SLEEP_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_LDO4,
- .end = WM831X_IRQ_UV_LDO4,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_LDO4, "UV"),
};
static const struct resource wm831x_ldo5_resources[] = {
@@ -795,12 +732,7 @@ static const struct resource wm831x_ldo5_resources[] = {
.end = WM831X_LDO5_SLEEP_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_LDO5,
- .end = WM831X_IRQ_UV_LDO5,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_LDO5, "UV"),
};
static const struct resource wm831x_ldo6_resources[] = {
@@ -809,12 +741,7 @@ static const struct resource wm831x_ldo6_resources[] = {
.end = WM831X_LDO6_SLEEP_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_LDO6,
- .end = WM831X_IRQ_UV_LDO6,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_LDO6, "UV"),
};
static const struct resource wm831x_ldo7_resources[] = {
@@ -823,12 +750,7 @@ static const struct resource wm831x_ldo7_resources[] = {
.end = WM831X_LDO7_SLEEP_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_LDO7,
- .end = WM831X_IRQ_UV_LDO7,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_LDO7, "UV"),
};
static const struct resource wm831x_ldo8_resources[] = {
@@ -837,12 +759,7 @@ static const struct resource wm831x_ldo8_resources[] = {
.end = WM831X_LDO8_SLEEP_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_LDO8,
- .end = WM831X_IRQ_UV_LDO8,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_LDO8, "UV"),
};
static const struct resource wm831x_ldo9_resources[] = {
@@ -851,12 +768,7 @@ static const struct resource wm831x_ldo9_resources[] = {
.end = WM831X_LDO9_SLEEP_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_LDO9,
- .end = WM831X_IRQ_UV_LDO9,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_LDO9, "UV"),
};
static const struct resource wm831x_ldo10_resources[] = {
@@ -865,12 +777,7 @@ static const struct resource wm831x_ldo10_resources[] = {
.end = WM831X_LDO10_SLEEP_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_LDO10,
- .end = WM831X_IRQ_UV_LDO10,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_LDO10, "UV"),
};
static const struct resource wm831x_ldo11_resources[] = {
@@ -882,96 +789,27 @@ static const struct resource wm831x_ldo11_resources[] = {
};
static const struct resource wm831x_on_resources[] = {
- {
- .start = WM831X_IRQ_ON,
- .end = WM831X_IRQ_ON,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ(WM831X_IRQ_ON),
};
static const struct resource wm831x_power_resources[] = {
- {
- .name = "SYSLO",
- .start = WM831X_IRQ_PPM_SYSLO,
- .end = WM831X_IRQ_PPM_SYSLO,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "PWR SRC",
- .start = WM831X_IRQ_PPM_PWR_SRC,
- .end = WM831X_IRQ_PPM_PWR_SRC,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "USB CURR",
- .start = WM831X_IRQ_PPM_USB_CURR,
- .end = WM831X_IRQ_PPM_USB_CURR,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "BATT HOT",
- .start = WM831X_IRQ_CHG_BATT_HOT,
- .end = WM831X_IRQ_CHG_BATT_HOT,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "BATT COLD",
- .start = WM831X_IRQ_CHG_BATT_COLD,
- .end = WM831X_IRQ_CHG_BATT_COLD,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "BATT FAIL",
- .start = WM831X_IRQ_CHG_BATT_FAIL,
- .end = WM831X_IRQ_CHG_BATT_FAIL,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "OV",
- .start = WM831X_IRQ_CHG_OV,
- .end = WM831X_IRQ_CHG_OV,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "END",
- .start = WM831X_IRQ_CHG_END,
- .end = WM831X_IRQ_CHG_END,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "TO",
- .start = WM831X_IRQ_CHG_TO,
- .end = WM831X_IRQ_CHG_TO,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "MODE",
- .start = WM831X_IRQ_CHG_MODE,
- .end = WM831X_IRQ_CHG_MODE,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "START",
- .start = WM831X_IRQ_CHG_START,
- .end = WM831X_IRQ_CHG_START,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_PPM_SYSLO, "SYSLO"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_PPM_PWR_SRC, "PWR SRC"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_PPM_USB_CURR, "USB CURR"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_CHG_BATT_HOT, "BATT HOT"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_CHG_BATT_COLD, "BATT COLD"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_CHG_BATT_FAIL, "BATT FAIL"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_CHG_OV, "OV"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_CHG_END, "END"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_CHG_TO, "TO"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_CHG_MODE, "MODE"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_CHG_START, "START"),
};
static const struct resource wm831x_rtc_resources[] = {
- {
- .name = "PER",
- .start = WM831X_IRQ_RTC_PER,
- .end = WM831X_IRQ_RTC_PER,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "ALM",
- .start = WM831X_IRQ_RTC_ALM,
- .end = WM831X_IRQ_RTC_ALM,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_RTC_PER, "PER"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_RTC_ALM, "ALM"),
};
static const struct resource wm831x_status1_resources[] = {
@@ -991,26 +829,12 @@ static const struct resource wm831x_status2_resources[] = {
};
static const struct resource wm831x_touch_resources[] = {
- {
- .name = "TCHPD",
- .start = WM831X_IRQ_TCHPD,
- .end = WM831X_IRQ_TCHPD,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "TCHDATA",
- .start = WM831X_IRQ_TCHDATA,
- .end = WM831X_IRQ_TCHDATA,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_TCHPD, "TCHPD"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_TCHDATA, "TCHDATA"),
};
static const struct resource wm831x_wdt_resources[] = {
- {
- .start = WM831X_IRQ_WDOG_TO,
- .end = WM831X_IRQ_WDOG_TO,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ(WM831X_IRQ_WDOG_TO),
};
static const struct mfd_cell wm8310_devs[] = {
diff --git a/drivers/mfd/wm831x-otp.c b/drivers/mfd/wm831x-otp.c
index afe59d52dd74..25f5d9fe33a1 100644
--- a/drivers/mfd/wm831x-otp.c
+++ b/drivers/mfd/wm831x-otp.c
@@ -38,8 +38,8 @@ static int wm831x_unique_id_read(struct wm831x *wm831x, char *id)
return 0;
}
-static ssize_t wm831x_unique_id_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t unique_id_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct wm831x *wm831x = dev_get_drvdata(dev);
int rval;
@@ -52,7 +52,7 @@ static ssize_t wm831x_unique_id_show(struct device *dev,
return sprintf(buf, "%*phN\n", WM831X_UNIQUE_ID_LEN, id);
}
-static DEVICE_ATTR(unique_id, 0444, wm831x_unique_id_show, NULL);
+static DEVICE_ATTR_RO(unique_id);
int wm831x_otp_init(struct wm831x *wm831x)
{