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

[Anson Huang]

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

Signed-off-by: Anson Huang <anson.hu...@nxp.com>
---
 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