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authorLinus Torvalds <torvalds@linux-foundation.org>2014-06-06 23:08:39 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2014-06-06 23:08:39 +0400
commit1fe9eb184721132c7254d76d9ef31c96edad8870 (patch)
treec055ffb7f201bc2370714ebe186a922d0eb39d0d /drivers/mfd/max14577.c
parent0bb464624140bfdd8389d4c5464ba134b2856049 (diff)
parent89abd4df28c6f85645e32f37ffab6426f800e4a1 (diff)
downloadlinux-1fe9eb184721132c7254d76d9ef31c96edad8870.tar.xz
Merge tag 'mfd-for-linus-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into next
Pull MFD updates from Lee Jones: "Changes to existing drivers: - increase DT coverage: arizona, mc13xxx, stmpe-i2c, syscon, sun6i-prcm - regmap use of and/or clean-up: tps65090, twl6040 - basic renaming: max14577 - use new cpufreq helpers: db8500-prcmu - increase regulator support: stmpe, arizona, wm5102 - reduce legacy GPIO overhead: stmpe - provide necessary remove path: bcm590xx - expand sysfs presence: kempld - move driver specific code out to drivers: rtc-s5m, arizona - clk handling: twl6040 - use managed (devm_*) resources: ipaq-micro - clean-up/remove unused/duplicated code: tps65218, sec, pm8921, abx500-core, db8500-prcmu, menelaus - build/boot/sematic bug fixes: rtsx_usb, stmpe, bcm590xx, abx500, mc13xxx, rdc321x-southbridge, mfd-core, sec, max14577, syscon, cros_ec_spi - constify stuff: sm501, tps65910, tps6507x, tps6586x, max77686, max8997, kempld, max77693, max8907, rtsx_usb, db8500-prcmu, max8998, wm8400, sec, lp3943, max14577, as3711, omap-usb-host, ipaq-micro Support for new devices: - add support for max77836 into max14577 - add support for tps658640 into tps6586x - add support for cros-ec-i2c-tunnel into cros_ec - add new driver for rtsx_usb_sdmmc and rtsx_usb_ms - add new driver for axp20x - add new driver for sun6i-prcm - add new driver for ipaq-micro" * tag 'mfd-for-linus-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (77 commits) mfd: wm5102: Correct default for LDO Control 2 register mfd: menelaus: Use module_i2c_driver mfd: tps65218: Terminate of match table mfd: db8500-prcmu: Remove check for CONFIG_DBX500_PRCMU_DEBUG mfd: ti-keystone-devctrl: Add bindings for device state control mfd: palmas: Format the header file mfd: abx500-core: Remove unused function abx500_dump_all_banks() mfd: arizona: Correct addresses of always-on trigger registers mfd: max14577: Cast to architecture agnostic data type i2c: ChromeOS EC tunnel driver mfd: cros_ec: Sync to the latest cros_ec_commands.h from EC sources mfd: cros_ec: spi: Increase cros_ec_spi deadline from 5ms to 100ms mfd: cros_ec: spi: Make the cros_ec_spi timeout more reliable mfd: cros_ec: spi: Add mutex to cros_ec_spi mfd: cros_ec: spi: Calculate delay between transfers correctly mfd: arizona: Correct error message for addition of main IRQ chip mfd: wm8997: Add registers for high power mode mfd: arizona: Add MICVDD to mapped regulators mfd: ipaq-micro: Make mfd_cell array const mfd: ipaq-micro: Use devm_ioremap_resource() ...
Diffstat (limited to 'drivers/mfd/max14577.c')
-rw-r--r--drivers/mfd/max14577.c40
1 files changed, 19 insertions, 21 deletions
diff --git a/drivers/mfd/max14577.c b/drivers/mfd/max14577.c
index 484d372a4892..4a5e885383f8 100644
--- a/drivers/mfd/max14577.c
+++ b/drivers/mfd/max14577.c
@@ -26,7 +26,7 @@
#include <linux/mfd/max14577.h>
#include <linux/mfd/max14577-private.h>
-static struct mfd_cell max14577_devs[] = {
+static const struct mfd_cell max14577_devs[] = {
{
.name = "max14577-muic",
.of_compatible = "maxim,max14577-muic",
@@ -38,7 +38,7 @@ static struct mfd_cell max14577_devs[] = {
{ .name = "max14577-charger", },
};
-static struct mfd_cell max77836_devs[] = {
+static const struct mfd_cell max77836_devs[] = {
{
.name = "max77836-muic",
.of_compatible = "maxim,max77836-muic",
@@ -57,7 +57,7 @@ static struct mfd_cell max77836_devs[] = {
},
};
-static struct of_device_id max14577_dt_match[] = {
+static const struct of_device_id max14577_dt_match[] = {
{
.compatible = "maxim,max14577",
.data = (void *)MAXIM_DEVICE_TYPE_MAX14577,
@@ -292,7 +292,7 @@ static int max14577_i2c_probe(struct i2c_client *i2c,
struct device_node *np = i2c->dev.of_node;
int ret = 0;
const struct regmap_irq_chip *irq_chip;
- struct mfd_cell *mfd_devs;
+ const struct mfd_cell *mfd_devs;
unsigned int mfd_devs_size;
int irq_flags;
@@ -331,7 +331,8 @@ static int max14577_i2c_probe(struct i2c_client *i2c,
of_id = of_match_device(max14577_dt_match, &i2c->dev);
if (of_id)
- max14577->dev_type = (unsigned int)of_id->data;
+ max14577->dev_type =
+ (enum maxim_device_type)of_id->data;
} else {
max14577->dev_type = id->driver_data;
}
@@ -414,20 +415,18 @@ static int max14577_suspend(struct device *dev)
struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
struct max14577 *max14577 = i2c_get_clientdata(i2c);
- if (device_may_wakeup(dev)) {
+ if (device_may_wakeup(dev))
enable_irq_wake(max14577->irq);
- /*
- * MUIC IRQ must be disabled during suspend if this is
- * a wake up source because it will be handled before
- * resuming I2C.
- *
- * When device is woken up from suspend (e.g. by ADC change),
- * an interrupt occurs before resuming I2C bus controller.
- * Interrupt handler tries to read registers but this read
- * will fail because I2C is still suspended.
- */
- disable_irq(max14577->irq);
- }
+ /*
+ * MUIC IRQ must be disabled during suspend because if it happens
+ * while suspended it will be handled before resuming I2C.
+ *
+ * When device is woken up from suspend (e.g. by ADC change),
+ * an interrupt occurs before resuming I2C bus controller.
+ * Interrupt handler tries to read registers but this read
+ * will fail because I2C is still suspended.
+ */
+ disable_irq(max14577->irq);
return 0;
}
@@ -437,10 +436,9 @@ static int max14577_resume(struct device *dev)
struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
struct max14577 *max14577 = i2c_get_clientdata(i2c);
- if (device_may_wakeup(dev)) {
+ if (device_may_wakeup(dev))
disable_irq_wake(max14577->irq);
- enable_irq(max14577->irq);
- }
+ enable_irq(max14577->irq);
return 0;
}