diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-synquacer.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-synquacer.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/i2c/busses/i2c-synquacer.c b/drivers/i2c/busses/i2c-synquacer.c index a73f5bb9a1..4eccbcd0fb 100644 --- a/drivers/i2c/busses/i2c-synquacer.c +++ b/drivers/i2c/busses/i2c-synquacer.c @@ -138,7 +138,6 @@ struct synquacer_i2c { int irq; struct device *dev; void __iomem *base; - struct clk *pclk; u32 pclkrate; u32 speed_khz; u32 timeout_ms; @@ -311,7 +310,7 @@ static int synquacer_i2c_doxfer(struct synquacer_i2c *i2c, struct i2c_msg *msgs, int num) { unsigned char bsr; - unsigned long timeout; + unsigned long time_left; int ret; synquacer_i2c_hw_init(i2c); @@ -335,9 +334,9 @@ static int synquacer_i2c_doxfer(struct synquacer_i2c *i2c, return ret; } - timeout = wait_for_completion_timeout(&i2c->completion, - msecs_to_jiffies(i2c->timeout_ms)); - if (timeout == 0) { + time_left = wait_for_completion_timeout(&i2c->completion, + msecs_to_jiffies(i2c->timeout_ms)); + if (time_left == 0) { dev_dbg(i2c->dev, "timeout\n"); return -EAGAIN; } @@ -535,6 +534,7 @@ static const struct i2c_adapter synquacer_i2c_ops = { static int synquacer_i2c_probe(struct platform_device *pdev) { struct synquacer_i2c *i2c; + struct clk *pclk; u32 bus_speed; int ret; @@ -550,13 +550,12 @@ static int synquacer_i2c_probe(struct platform_device *pdev) device_property_read_u32(&pdev->dev, "socionext,pclk-rate", &i2c->pclkrate); - i2c->pclk = devm_clk_get_enabled(&pdev->dev, "pclk"); - if (IS_ERR(i2c->pclk)) - return dev_err_probe(&pdev->dev, PTR_ERR(i2c->pclk), + pclk = devm_clk_get_enabled(&pdev->dev, "pclk"); + if (IS_ERR(pclk)) + return dev_err_probe(&pdev->dev, PTR_ERR(pclk), "failed to get and enable clock\n"); - dev_dbg(&pdev->dev, "clock source %p\n", i2c->pclk); - i2c->pclkrate = clk_get_rate(i2c->pclk); + i2c->pclkrate = clk_get_rate(pclk); if (i2c->pclkrate < SYNQUACER_I2C_MIN_CLK_RATE || i2c->pclkrate > SYNQUACER_I2C_MAX_CLK_RATE) |