[PATCH] input: keyboard: snvs_pwrkey: 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/input/keyboard/snvs_pwrkey.c | 29 +++++++++++++++--------------
 1 file changed, 15 insertions(+), 14 deletions(-)

diff --git a/drivers/input/keyboard/snvs_pwrkey.c 
b/drivers/input/keyboard/snvs_pwrkey.c
index e76b7a4..23b203f 100644
--- a/drivers/input/keyboard/snvs_pwrkey.c
+++ b/drivers/input/keyboard/snvs_pwrkey.c
@@ -90,29 +90,30 @@ static void imx_snvs_pwrkey_act(void *pdata)
 
 static int imx_snvs_pwrkey_probe(struct platform_device *pdev)
 {
+       struct device *dev = &pdev->dev;
        struct pwrkey_drv_data *pdata = NULL;
        struct input_dev *input = NULL;
        struct device_node *np;
        int error;
 
        /* Get SNVS register Page */
-       np = pdev->dev.of_node;
+       np = dev->of_node;
        if (!np)
                return -ENODEV;
 
-       pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
+       pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
        if (!pdata)
                return -ENOMEM;
 
        pdata->snvs = syscon_regmap_lookup_by_phandle(np, "regmap");
        if (IS_ERR(pdata->snvs)) {
-               dev_err(&pdev->dev, "Can't get snvs syscon\n");
+               dev_err(dev, "Can't get snvs syscon\n");
                return PTR_ERR(pdata->snvs);
        }
 
        if (of_property_read_u32(np, "linux,keycode", &pdata->keycode)) {
                pdata->keycode = KEY_POWER;
-               dev_warn(&pdev->dev, "KEY_POWER without setting in dts\n");
+               dev_warn(dev, "KEY_POWER without setting in dts\n");
        }
 
        pdata->wakeup = of_property_read_bool(np, "wakeup-source");
@@ -128,9 +129,9 @@ static int imx_snvs_pwrkey_probe(struct platform_device 
*pdev)
 
        timer_setup(&pdata->check_timer, imx_imx_snvs_check_for_events, 0);
 
-       input = devm_input_allocate_device(&pdev->dev);
+       input = devm_input_allocate_device(dev);
        if (!input) {
-               dev_err(&pdev->dev, "failed to allocate the input device\n");
+               dev_err(dev, "failed to allocate the input device\n");
                return -ENOMEM;
        }
 
@@ -141,34 +142,34 @@ static int imx_snvs_pwrkey_probe(struct platform_device 
*pdev)
        input_set_capability(input, EV_KEY, pdata->keycode);
 
        /* input customer action to cancel release timer */
-       error = devm_add_action(&pdev->dev, imx_snvs_pwrkey_act, pdata);
+       error = devm_add_action(dev, imx_snvs_pwrkey_act, pdata);
        if (error) {
-               dev_err(&pdev->dev, "failed to register remove action\n");
+               dev_err(dev, "failed to register remove action\n");
                return error;
        }
 
        pdata->input = input;
        platform_set_drvdata(pdev, pdata);
 
-       error = devm_request_irq(&pdev->dev, pdata->irq,
+       error = devm_request_irq(dev, pdata->irq,
                               imx_snvs_pwrkey_interrupt,
                               0, pdev->name, pdev);
 
        if (error) {
-               dev_err(&pdev->dev, "interrupt not available.\n");
+               dev_err(dev, "interrupt not available.\n");
                return error;
        }
 
        error = input_register_device(input);
        if (error < 0) {
-               dev_err(&pdev->dev, "failed to register input device\n");
+               dev_err(dev, "failed to register input device\n");
                return error;
        }
 
-       device_init_wakeup(&pdev->dev, pdata->wakeup);
-       error = dev_pm_set_wake_irq(&pdev->dev, pdata->irq);
+       device_init_wakeup(dev, pdata->wakeup);
+       error = dev_pm_set_wake_irq(dev, pdata->irq);
        if (error)
-               dev_err(&pdev->dev, "irq wake enable failed.\n");
+               dev_err(dev, "irq wake enable failed.\n");
 
        return 0;
 }
-- 
2.7.4