diff options
Diffstat (limited to 'drivers/i2c')
-rw-r--r-- | drivers/i2c/busses/i2c-aspeed.c | 3 | ||||
-rw-r--r-- | drivers/i2c/busses/i2c-stm32f7.c | 9 | ||||
-rw-r--r-- | drivers/i2c/busses/i2c-xgene-slimpro.c | 16 | ||||
-rw-r--r-- | drivers/i2c/i2c-core.h | 2 | ||||
-rw-r--r-- | drivers/i2c/muxes/i2c-demux-pinctrl.c | 2 | ||||
-rw-r--r-- | drivers/i2c/muxes/i2c-mux-gpio.c | 12 | ||||
-rw-r--r-- | drivers/i2c/muxes/i2c-mux-gpmux.c | 2 | ||||
-rw-r--r-- | drivers/i2c/muxes/i2c-mux-pinctrl.c | 2 |
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); |