[PATCH] pwm: pwm-imx-tpm: Use 'dev' instead of dereferencing it repeatedly

From: Anson Huang
Date: Tue Sep 24 2019 - 05:02:46 EST


Add helper variable dev = &pdev->dev to simply the code.

Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
---
drivers/pwm/pwm-imx-tpm.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/pwm/pwm-imx-tpm.c b/drivers/pwm/pwm-imx-tpm.c
index e8385c1..4385801 100644
--- a/drivers/pwm/pwm-imx-tpm.c
+++ b/drivers/pwm/pwm-imx-tpm.c
@@ -337,11 +337,12 @@ static const struct pwm_ops imx_tpm_pwm_ops = {

static int pwm_imx_tpm_probe(struct platform_device *pdev)
{
+ struct device *dev = &pdev->dev;
struct imx_tpm_pwm_chip *tpm;
int ret;
u32 val;

- tpm = devm_kzalloc(&pdev->dev, sizeof(*tpm), GFP_KERNEL);
+ tpm = devm_kzalloc(dev, sizeof(*tpm), GFP_KERNEL);
if (!tpm)
return -ENOMEM;

@@ -351,23 +352,23 @@ static int pwm_imx_tpm_probe(struct platform_device *pdev)
if (IS_ERR(tpm->base))
return PTR_ERR(tpm->base);

- tpm->clk = devm_clk_get(&pdev->dev, NULL);
+ tpm->clk = devm_clk_get(dev, NULL);
if (IS_ERR(tpm->clk)) {
ret = PTR_ERR(tpm->clk);
if (ret != -EPROBE_DEFER)
- dev_err(&pdev->dev,
+ dev_err(dev,
"failed to get PWM clock: %d\n", ret);
return ret;
}

ret = clk_prepare_enable(tpm->clk);
if (ret) {
- dev_err(&pdev->dev,
+ dev_err(dev,
"failed to prepare or enable clock: %d\n", ret);
return ret;
}

- tpm->chip.dev = &pdev->dev;
+ tpm->chip.dev = dev;
tpm->chip.ops = &imx_tpm_pwm_ops;
tpm->chip.base = -1;
tpm->chip.of_xlate = of_pwm_xlate_with_flags;
@@ -381,7 +382,7 @@ static int pwm_imx_tpm_probe(struct platform_device *pdev)

ret = pwmchip_add(&tpm->chip);
if (ret) {
- dev_err(&pdev->dev, "failed to add PWM chip: %d\n", ret);
+ dev_err(dev, "failed to add PWM chip: %d\n", ret);
clk_disable_unprepare(tpm->clk);
}

--
2.7.4