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-rw-r--r--drivers/i2c/busses/i2c-aspeed.c3
-rw-r--r--drivers/i2c/busses/i2c-stm32f7.c9
-rw-r--r--drivers/i2c/busses/i2c-xgene-slimpro.c16
-rw-r--r--drivers/i2c/i2c-core.h2
-rw-r--r--drivers/i2c/muxes/i2c-demux-pinctrl.c2
-rw-r--r--drivers/i2c/muxes/i2c-mux-gpio.c12
-rw-r--r--drivers/i2c/muxes/i2c-mux-gpmux.c2
-rw-r--r--drivers/i2c/muxes/i2c-mux-pinctrl.c2
8 files changed, 22 insertions, 26 deletions
diff --git a/drivers/i2c/busses/i2c-aspeed.c b/drivers/i2c/busses/i2c-aspeed.c
index 5a416b39b818..28e2a5fc4528 100644
--- a/drivers/i2c/busses/i2c-aspeed.c
+++ b/drivers/i2c/busses/i2c-aspeed.c
@@ -749,6 +749,8 @@ static void __aspeed_i2c_reg_slave(struct aspeed_i2c_bus *bus, u16 slave_addr)
func_ctrl_reg_val = readl(bus->base + ASPEED_I2C_FUN_CTRL_REG);
func_ctrl_reg_val |= ASPEED_I2CD_SLAVE_EN;
writel(func_ctrl_reg_val, bus->base + ASPEED_I2C_FUN_CTRL_REG);
+
+ bus->slave_state = ASPEED_I2C_SLAVE_INACTIVE;
}
static int aspeed_i2c_reg_slave(struct i2c_client *client)
@@ -765,7 +767,6 @@ static int aspeed_i2c_reg_slave(struct i2c_client *client)
__aspeed_i2c_reg_slave(bus, client->addr);
bus->slave = client;
- bus->slave_state = ASPEED_I2C_SLAVE_INACTIVE;
spin_unlock_irqrestore(&bus->lock, flags);
return 0;
diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c
index 579b30581725..0d3c9a041b56 100644
--- a/drivers/i2c/busses/i2c-stm32f7.c
+++ b/drivers/i2c/busses/i2c-stm32f7.c
@@ -1059,9 +1059,10 @@ static int stm32f7_i2c_smbus_xfer_msg(struct stm32f7_i2c_dev *i2c_dev,
/* Configure PEC */
if ((flags & I2C_CLIENT_PEC) && f7_msg->size != I2C_SMBUS_QUICK) {
cr1 |= STM32F7_I2C_CR1_PECEN;
- cr2 |= STM32F7_I2C_CR2_PECBYTE;
- if (!f7_msg->read_write)
+ if (!f7_msg->read_write) {
+ cr2 |= STM32F7_I2C_CR2_PECBYTE;
f7_msg->count++;
+ }
} else {
cr1 &= ~STM32F7_I2C_CR1_PECEN;
cr2 &= ~STM32F7_I2C_CR2_PECBYTE;
@@ -1149,8 +1150,10 @@ static void stm32f7_i2c_smbus_rep_start(struct stm32f7_i2c_dev *i2c_dev)
f7_msg->stop = true;
/* Add one byte for PEC if needed */
- if (cr1 & STM32F7_I2C_CR1_PECEN)
+ if (cr1 & STM32F7_I2C_CR1_PECEN) {
+ cr2 |= STM32F7_I2C_CR2_PECBYTE;
f7_msg->count++;
+ }
/* Set number of bytes to be transferred */
cr2 &= ~(STM32F7_I2C_CR2_NBYTES_MASK);
diff --git a/drivers/i2c/busses/i2c-xgene-slimpro.c b/drivers/i2c/busses/i2c-xgene-slimpro.c
index fbc1ffbd2fa7..658396c9eeab 100644
--- a/drivers/i2c/busses/i2c-xgene-slimpro.c
+++ b/drivers/i2c/busses/i2c-xgene-slimpro.c
@@ -91,14 +91,6 @@
#define SLIMPRO_IIC_MSG_DWORD_COUNT 3
-/* PCC related defines */
-#define PCC_SIGNATURE 0x50424300
-#define PCC_STS_CMD_COMPLETE BIT(0)
-#define PCC_STS_SCI_DOORBELL BIT(1)
-#define PCC_STS_ERR BIT(2)
-#define PCC_STS_PLAT_NOTIFY BIT(3)
-#define PCC_CMD_GENERATE_DB_INT BIT(15)
-
struct slimpro_i2c_dev {
struct i2c_adapter adapter;
struct device *dev;
@@ -160,11 +152,11 @@ static void slimpro_i2c_pcc_rx_cb(struct mbox_client *cl, void *msg)
/* Check if platform sends interrupt */
if (!xgene_word_tst_and_clr(&generic_comm_base->status,
- PCC_STS_SCI_DOORBELL))
+ PCC_STATUS_SCI_DOORBELL))
return;
if (xgene_word_tst_and_clr(&generic_comm_base->status,
- PCC_STS_CMD_COMPLETE)) {
+ PCC_STATUS_CMD_COMPLETE)) {
msg = generic_comm_base + 1;
/* Response message msg[1] contains the return value. */
@@ -186,10 +178,10 @@ static void slimpro_i2c_pcc_tx_prepare(struct slimpro_i2c_dev *ctx, u32 *msg)
cpu_to_le32(PCC_SIGNATURE | ctx->mbox_idx));
WRITE_ONCE(generic_comm_base->command,
- cpu_to_le16(SLIMPRO_MSG_TYPE(msg[0]) | PCC_CMD_GENERATE_DB_INT));
+ cpu_to_le16(SLIMPRO_MSG_TYPE(msg[0]) | PCC_CMD_GENERATE_DB_INTR));
status = le16_to_cpu(READ_ONCE(generic_comm_base->status));
- status &= ~PCC_STS_CMD_COMPLETE;
+ status &= ~PCC_STATUS_CMD_COMPLETE;
WRITE_ONCE(generic_comm_base->status, cpu_to_le16(status));
/* Copy the message to the PCC comm space */
diff --git a/drivers/i2c/i2c-core.h b/drivers/i2c/i2c-core.h
index 1247e6e6e975..05b8b8dfa9bd 100644
--- a/drivers/i2c/i2c-core.h
+++ b/drivers/i2c/i2c-core.h
@@ -29,7 +29,7 @@ int i2c_dev_irq_from_resources(const struct resource *resources,
*/
static inline bool i2c_in_atomic_xfer_mode(void)
{
- return system_state > SYSTEM_RUNNING && irqs_disabled();
+ return system_state > SYSTEM_RUNNING && !preemptible();
}
static inline int __i2c_lock_bus_helper(struct i2c_adapter *adap)
diff --git a/drivers/i2c/muxes/i2c-demux-pinctrl.c b/drivers/i2c/muxes/i2c-demux-pinctrl.c
index 22f2280eab7f..9f2e4aa28159 100644
--- a/drivers/i2c/muxes/i2c-demux-pinctrl.c
+++ b/drivers/i2c/muxes/i2c-demux-pinctrl.c
@@ -61,7 +61,7 @@ static int i2c_demux_activate_master(struct i2c_demux_pinctrl_priv *priv, u32 ne
if (ret)
goto err;
- adap = of_find_i2c_adapter_by_node(priv->chan[new_chan].parent_np);
+ adap = of_get_i2c_adapter_by_node(priv->chan[new_chan].parent_np);
if (!adap) {
ret = -ENODEV;
goto err_with_revert;
diff --git a/drivers/i2c/muxes/i2c-mux-gpio.c b/drivers/i2c/muxes/i2c-mux-gpio.c
index 5ca03bd34c8d..78987ead6be0 100644
--- a/drivers/i2c/muxes/i2c-mux-gpio.c
+++ b/drivers/i2c/muxes/i2c-mux-gpio.c
@@ -14,8 +14,7 @@
#include <linux/slab.h>
#include <linux/bits.h>
#include <linux/gpio/consumer.h>
-/* FIXME: stop poking around inside gpiolib */
-#include "../../gpio/gpiolib.h"
+#include <linux/gpio/driver.h>
struct gpiomux {
struct i2c_mux_gpio_platform_data data;
@@ -178,7 +177,8 @@ static int i2c_mux_gpio_probe(struct platform_device *pdev)
}
for (i = 0; i < ngpios; i++) {
- struct device *gpio_dev;
+ struct gpio_device *gdev;
+ struct device *dev;
struct gpio_desc *gpiod;
enum gpiod_flags flag;
@@ -197,9 +197,9 @@ static int i2c_mux_gpio_probe(struct platform_device *pdev)
if (!muxc->mux_locked)
continue;
- /* FIXME: find a proper way to access the GPIO device */
- gpio_dev = &gpiod->gdev->dev;
- muxc->mux_locked = i2c_root_adapter(gpio_dev) == root;
+ gdev = gpiod_to_gpio_device(gpiod);
+ dev = gpio_device_to_device(gdev);
+ muxc->mux_locked = i2c_root_adapter(dev) == root;
}
if (muxc->mux_locked)
diff --git a/drivers/i2c/muxes/i2c-mux-gpmux.c b/drivers/i2c/muxes/i2c-mux-gpmux.c
index baccf4bfaf02..8305661e1253 100644
--- a/drivers/i2c/muxes/i2c-mux-gpmux.c
+++ b/drivers/i2c/muxes/i2c-mux-gpmux.c
@@ -52,7 +52,7 @@ static struct i2c_adapter *mux_parent_adapter(struct device *dev)
dev_err(dev, "Cannot parse i2c-parent\n");
return ERR_PTR(-ENODEV);
}
- parent = of_find_i2c_adapter_by_node(parent_np);
+ parent = of_get_i2c_adapter_by_node(parent_np);
of_node_put(parent_np);
if (!parent)
return ERR_PTR(-EPROBE_DEFER);
diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c
index 18236b9fa14a..6ebca7bfd8a2 100644
--- a/drivers/i2c/muxes/i2c-mux-pinctrl.c
+++ b/drivers/i2c/muxes/i2c-mux-pinctrl.c
@@ -62,7 +62,7 @@ static struct i2c_adapter *i2c_mux_pinctrl_parent_adapter(struct device *dev)
dev_err(dev, "Cannot parse i2c-parent\n");
return ERR_PTR(-ENODEV);
}
- parent = of_find_i2c_adapter_by_node(parent_np);
+ parent = of_get_i2c_adapter_by_node(parent_np);
of_node_put(parent_np);
if (!parent)
return ERR_PTR(-EPROBE_DEFER);