dev_get_drvdata is a simpler implementation comparing
to to_platform_device + platform_get_drvdata.
This makes the code simpler.

Signed-off-by: Chuhong Yuan <hsleste...@gmail.com>
---
 drivers/input/keyboard/ep93xx_keypad.c   | 10 ++++------
 drivers/input/keyboard/gpio_keys.c       |  3 +--
 drivers/input/keyboard/imx_keypad.c      | 10 ++++------
 drivers/input/keyboard/lpc32xx-keys.c    |  6 ++----
 drivers/input/keyboard/matrix_keypad.c   | 10 ++++------
 drivers/input/keyboard/omap4-keypad.c    | 10 ++++------
 drivers/input/keyboard/pmic8xxx-keypad.c |  6 ++----
 drivers/input/keyboard/pxa27x_keypad.c   | 10 ++++------
 drivers/input/keyboard/samsung-keypad.c  | 12 ++++--------
 drivers/input/keyboard/spear-keyboard.c  | 10 ++++------
 drivers/input/keyboard/st-keyscan.c      |  6 ++----
 drivers/input/keyboard/tegra-kbc.c       | 10 ++++------
 12 files changed, 39 insertions(+), 64 deletions(-)

diff --git a/drivers/input/keyboard/ep93xx_keypad.c 
b/drivers/input/keyboard/ep93xx_keypad.c
index 7c70492d9d6b..bcc8a17f9a01 100644
--- a/drivers/input/keyboard/ep93xx_keypad.c
+++ b/drivers/input/keyboard/ep93xx_keypad.c
@@ -178,8 +178,7 @@ static void ep93xx_keypad_close(struct input_dev *pdev)
 #ifdef CONFIG_PM_SLEEP
 static int ep93xx_keypad_suspend(struct device *dev)
 {
-       struct platform_device *pdev = to_platform_device(dev);
-       struct ep93xx_keypad *keypad = platform_get_drvdata(pdev);
+       struct ep93xx_keypad *keypad = dev_get_drvdata(dev);
        struct input_dev *input_dev = keypad->input_dev;
 
        mutex_lock(&input_dev->mutex);
@@ -191,7 +190,7 @@ static int ep93xx_keypad_suspend(struct device *dev)
 
        mutex_unlock(&input_dev->mutex);
 
-       if (device_may_wakeup(&pdev->dev))
+       if (device_may_wakeup(dev))
                enable_irq_wake(keypad->irq);
 
        return 0;
@@ -199,11 +198,10 @@ static int ep93xx_keypad_suspend(struct device *dev)
 
 static int ep93xx_keypad_resume(struct device *dev)
 {
-       struct platform_device *pdev = to_platform_device(dev);
-       struct ep93xx_keypad *keypad = platform_get_drvdata(pdev);
+       struct ep93xx_keypad *keypad = dev_get_drvdata(dev);
        struct input_dev *input_dev = keypad->input_dev;
 
-       if (device_may_wakeup(&pdev->dev))
+       if (device_may_wakeup(dev))
                disable_irq_wake(keypad->irq);
 
        mutex_lock(&input_dev->mutex);
diff --git a/drivers/input/keyboard/gpio_keys.c 
b/drivers/input/keyboard/gpio_keys.c
index 03f4d152f6b7..a8db71ceb50c 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -290,8 +290,7 @@ static ssize_t gpio_keys_show_##name(struct device *dev,    
        \
                                     struct device_attribute *attr,     \
                                     char *buf)                         \
 {                                                                      \
-       struct platform_device *pdev = to_platform_device(dev);         \
-       struct gpio_keys_drvdata *ddata = platform_get_drvdata(pdev);   \
+       struct gpio_keys_drvdata *ddata = dev_get_drvdata(dev); \
                                                                        \
        return gpio_keys_attr_show_helper(ddata, buf,                   \
                                          type, only_disabled);         \
diff --git a/drivers/input/keyboard/imx_keypad.c 
b/drivers/input/keyboard/imx_keypad.c
index 97500a2de2d5..6d3d62c82de0 100644
--- a/drivers/input/keyboard/imx_keypad.c
+++ b/drivers/input/keyboard/imx_keypad.c
@@ -526,8 +526,7 @@ static int imx_keypad_probe(struct platform_device *pdev)
 
 static int __maybe_unused imx_kbd_noirq_suspend(struct device *dev)
 {
-       struct platform_device *pdev = to_platform_device(dev);
-       struct imx_keypad *kbd = platform_get_drvdata(pdev);
+       struct imx_keypad *kbd = dev_get_drvdata(dev);
        struct input_dev *input_dev = kbd->input_dev;
        unsigned short reg_val = readw(kbd->mmio_base + KPSR);
 
@@ -539,7 +538,7 @@ static int __maybe_unused imx_kbd_noirq_suspend(struct 
device *dev)
 
        mutex_unlock(&input_dev->mutex);
 
-       if (device_may_wakeup(&pdev->dev)) {
+       if (device_may_wakeup(dev)) {
                if (reg_val & KBD_STAT_KPKD)
                        reg_val |= KBD_STAT_KRIE;
                if (reg_val & KBD_STAT_KPKR)
@@ -554,12 +553,11 @@ static int __maybe_unused imx_kbd_noirq_suspend(struct 
device *dev)
 
 static int __maybe_unused imx_kbd_noirq_resume(struct device *dev)
 {
-       struct platform_device *pdev = to_platform_device(dev);
-       struct imx_keypad *kbd = platform_get_drvdata(pdev);
+       struct imx_keypad *kbd = dev_get_drvdata(dev);
        struct input_dev *input_dev = kbd->input_dev;
        int ret = 0;
 
-       if (device_may_wakeup(&pdev->dev))
+       if (device_may_wakeup(dev))
                disable_irq_wake(kbd->irq);
 
        mutex_lock(&input_dev->mutex);
diff --git a/drivers/input/keyboard/lpc32xx-keys.c 
b/drivers/input/keyboard/lpc32xx-keys.c
index a34e3271b0c9..cc15da57cfec 100644
--- a/drivers/input/keyboard/lpc32xx-keys.c
+++ b/drivers/input/keyboard/lpc32xx-keys.c
@@ -269,8 +269,7 @@ static int lpc32xx_kscan_probe(struct platform_device *pdev)
 #ifdef CONFIG_PM_SLEEP
 static int lpc32xx_kscan_suspend(struct device *dev)
 {
-       struct platform_device *pdev = to_platform_device(dev);
-       struct lpc32xx_kscan_drv *kscandat = platform_get_drvdata(pdev);
+       struct lpc32xx_kscan_drv *kscandat = dev_get_drvdata(dev);
        struct input_dev *input = kscandat->input;
 
        mutex_lock(&input->mutex);
@@ -287,8 +286,7 @@ static int lpc32xx_kscan_suspend(struct device *dev)
 
 static int lpc32xx_kscan_resume(struct device *dev)
 {
-       struct platform_device *pdev = to_platform_device(dev);
-       struct lpc32xx_kscan_drv *kscandat = platform_get_drvdata(pdev);
+       struct lpc32xx_kscan_drv *kscandat = dev_get_drvdata(dev);
        struct input_dev *input = kscandat->input;
        int retval = 0;
 
diff --git a/drivers/input/keyboard/matrix_keypad.c 
b/drivers/input/keyboard/matrix_keypad.c
index 30924b57058f..c5a294e1de95 100644
--- a/drivers/input/keyboard/matrix_keypad.c
+++ b/drivers/input/keyboard/matrix_keypad.c
@@ -272,12 +272,11 @@ static void matrix_keypad_disable_wakeup(struct 
matrix_keypad *keypad)
 
 static int matrix_keypad_suspend(struct device *dev)
 {
-       struct platform_device *pdev = to_platform_device(dev);
-       struct matrix_keypad *keypad = platform_get_drvdata(pdev);
+       struct matrix_keypad *keypad = dev_get_drvdata(dev);
 
        matrix_keypad_stop(keypad->input_dev);
 
-       if (device_may_wakeup(&pdev->dev))
+       if (device_may_wakeup(dev))
                matrix_keypad_enable_wakeup(keypad);
 
        return 0;
@@ -285,10 +284,9 @@ static int matrix_keypad_suspend(struct device *dev)
 
 static int matrix_keypad_resume(struct device *dev)
 {
-       struct platform_device *pdev = to_platform_device(dev);
-       struct matrix_keypad *keypad = platform_get_drvdata(pdev);
+       struct matrix_keypad *keypad = dev_get_drvdata(dev);
 
-       if (device_may_wakeup(&pdev->dev))
+       if (device_may_wakeup(dev))
                matrix_keypad_disable_wakeup(keypad);
 
        matrix_keypad_start(keypad->input_dev);
diff --git a/drivers/input/keyboard/omap4-keypad.c 
b/drivers/input/keyboard/omap4-keypad.c
index 94c94d7f5155..a6db5494c742 100644
--- a/drivers/input/keyboard/omap4-keypad.c
+++ b/drivers/input/keyboard/omap4-keypad.c
@@ -412,11 +412,10 @@ MODULE_DEVICE_TABLE(of, omap_keypad_dt_match);
 #ifdef CONFIG_PM_SLEEP
 static int omap4_keypad_suspend(struct device *dev)
 {
-       struct platform_device *pdev = to_platform_device(dev);
-       struct omap4_keypad *keypad_data = platform_get_drvdata(pdev);
+       struct omap4_keypad *keypad_data = dev_get_drvdata(dev);
        int error;
 
-       if (device_may_wakeup(&pdev->dev)) {
+       if (device_may_wakeup(dev)) {
                error = enable_irq_wake(keypad_data->irq);
                if (!error)
                        keypad_data->irq_wake_enabled = true;
@@ -427,10 +426,9 @@ static int omap4_keypad_suspend(struct device *dev)
 
 static int omap4_keypad_resume(struct device *dev)
 {
-       struct platform_device *pdev = to_platform_device(dev);
-       struct omap4_keypad *keypad_data = platform_get_drvdata(pdev);
+       struct omap4_keypad *keypad_data = dev_get_drvdata(dev);
 
-       if (device_may_wakeup(&pdev->dev) && keypad_data->irq_wake_enabled) {
+       if (device_may_wakeup(dev) && keypad_data->irq_wake_enabled) {
                disable_irq_wake(keypad_data->irq);
                keypad_data->irq_wake_enabled = false;
        }
diff --git a/drivers/input/keyboard/pmic8xxx-keypad.c 
b/drivers/input/keyboard/pmic8xxx-keypad.c
index d529768a1d06..1e22d276e3e9 100644
--- a/drivers/input/keyboard/pmic8xxx-keypad.c
+++ b/drivers/input/keyboard/pmic8xxx-keypad.c
@@ -628,8 +628,7 @@ static int pmic8xxx_kp_probe(struct platform_device *pdev)
 #ifdef CONFIG_PM_SLEEP
 static int pmic8xxx_kp_suspend(struct device *dev)
 {
-       struct platform_device *pdev = to_platform_device(dev);
-       struct pmic8xxx_kp *kp = platform_get_drvdata(pdev);
+       struct pmic8xxx_kp *kp = dev_get_drvdata(dev);
        struct input_dev *input_dev = kp->input;
 
        if (device_may_wakeup(dev)) {
@@ -648,8 +647,7 @@ static int pmic8xxx_kp_suspend(struct device *dev)
 
 static int pmic8xxx_kp_resume(struct device *dev)
 {
-       struct platform_device *pdev = to_platform_device(dev);
-       struct pmic8xxx_kp *kp = platform_get_drvdata(pdev);
+       struct pmic8xxx_kp *kp = dev_get_drvdata(dev);
        struct input_dev *input_dev = kp->input;
 
        if (device_may_wakeup(dev)) {
diff --git a/drivers/input/keyboard/pxa27x_keypad.c 
b/drivers/input/keyboard/pxa27x_keypad.c
index 39023664d2f2..654e178ff39e 100644
--- a/drivers/input/keyboard/pxa27x_keypad.c
+++ b/drivers/input/keyboard/pxa27x_keypad.c
@@ -663,14 +663,13 @@ static void pxa27x_keypad_close(struct input_dev *dev)
 #ifdef CONFIG_PM_SLEEP
 static int pxa27x_keypad_suspend(struct device *dev)
 {
-       struct platform_device *pdev = to_platform_device(dev);
-       struct pxa27x_keypad *keypad = platform_get_drvdata(pdev);
+       struct pxa27x_keypad *keypad = dev_get_drvdata(dev);
 
        /*
         * If the keypad is used a wake up source, clock can not be disabled.
         * Or it can not detect the key pressing.
         */
-       if (device_may_wakeup(&pdev->dev))
+       if (device_may_wakeup(dev))
                enable_irq_wake(keypad->irq);
        else
                clk_disable_unprepare(keypad->clk);
@@ -680,8 +679,7 @@ static int pxa27x_keypad_suspend(struct device *dev)
 
 static int pxa27x_keypad_resume(struct device *dev)
 {
-       struct platform_device *pdev = to_platform_device(dev);
-       struct pxa27x_keypad *keypad = platform_get_drvdata(pdev);
+       struct pxa27x_keypad *keypad = dev_get_drvdata(dev);
        struct input_dev *input_dev = keypad->input_dev;
        int ret = 0;
 
@@ -689,7 +687,7 @@ static int pxa27x_keypad_resume(struct device *dev)
         * If the keypad is used as wake up source, the clock is not turned
         * off. So do not need configure it again.
         */
-       if (device_may_wakeup(&pdev->dev)) {
+       if (device_may_wakeup(dev)) {
                disable_irq_wake(keypad->irq);
        } else {
                mutex_lock(&input_dev->mutex);
diff --git a/drivers/input/keyboard/samsung-keypad.c 
b/drivers/input/keyboard/samsung-keypad.c
index 70c1d086bdd2..286432c4a28a 100644
--- a/drivers/input/keyboard/samsung-keypad.c
+++ b/drivers/input/keyboard/samsung-keypad.c
@@ -462,8 +462,7 @@ static int samsung_keypad_remove(struct platform_device 
*pdev)
 #ifdef CONFIG_PM
 static int samsung_keypad_runtime_suspend(struct device *dev)
 {
-       struct platform_device *pdev = to_platform_device(dev);
-       struct samsung_keypad *keypad = platform_get_drvdata(pdev);
+       struct samsung_keypad *keypad = dev_get_drvdata(dev);
        unsigned int val;
        int error;
 
@@ -486,8 +485,7 @@ static int samsung_keypad_runtime_suspend(struct device 
*dev)
 
 static int samsung_keypad_runtime_resume(struct device *dev)
 {
-       struct platform_device *pdev = to_platform_device(dev);
-       struct samsung_keypad *keypad = platform_get_drvdata(pdev);
+       struct samsung_keypad *keypad = dev_get_drvdata(dev);
        unsigned int val;
 
        if (keypad->stopped)
@@ -531,8 +529,7 @@ static void samsung_keypad_toggle_wakeup(struct 
samsung_keypad *keypad,
 
 static int samsung_keypad_suspend(struct device *dev)
 {
-       struct platform_device *pdev = to_platform_device(dev);
-       struct samsung_keypad *keypad = platform_get_drvdata(pdev);
+       struct samsung_keypad *keypad = dev_get_drvdata(dev);
        struct input_dev *input_dev = keypad->input_dev;
 
        mutex_lock(&input_dev->mutex);
@@ -549,8 +546,7 @@ static int samsung_keypad_suspend(struct device *dev)
 
 static int samsung_keypad_resume(struct device *dev)
 {
-       struct platform_device *pdev = to_platform_device(dev);
-       struct samsung_keypad *keypad = platform_get_drvdata(pdev);
+       struct samsung_keypad *keypad = dev_get_drvdata(dev);
        struct input_dev *input_dev = keypad->input_dev;
 
        mutex_lock(&input_dev->mutex);
diff --git a/drivers/input/keyboard/spear-keyboard.c 
b/drivers/input/keyboard/spear-keyboard.c
index 7d25fa338ab4..a0276a3376d2 100644
--- a/drivers/input/keyboard/spear-keyboard.c
+++ b/drivers/input/keyboard/spear-keyboard.c
@@ -288,8 +288,7 @@ static int spear_kbd_remove(struct platform_device *pdev)
 
 static int __maybe_unused spear_kbd_suspend(struct device *dev)
 {
-       struct platform_device *pdev = to_platform_device(dev);
-       struct spear_kbd *kbd = platform_get_drvdata(pdev);
+       struct spear_kbd *kbd = dev_get_drvdata(dev);
        struct input_dev *input_dev = kbd->input;
        unsigned int rate = 0, mode_ctl_reg, val;
 
@@ -300,7 +299,7 @@ static int __maybe_unused spear_kbd_suspend(struct device 
*dev)
 
        mode_ctl_reg = readl_relaxed(kbd->io_base + MODE_CTL_REG);
 
-       if (device_may_wakeup(&pdev->dev)) {
+       if (device_may_wakeup(dev)) {
                if (!enable_irq_wake(kbd->irq))
                        kbd->irq_wake_enabled = true;
 
@@ -341,13 +340,12 @@ static int __maybe_unused spear_kbd_suspend(struct device 
*dev)
 
 static int __maybe_unused spear_kbd_resume(struct device *dev)
 {
-       struct platform_device *pdev = to_platform_device(dev);
-       struct spear_kbd *kbd = platform_get_drvdata(pdev);
+       struct spear_kbd *kbd = dev_get_drvdata(dev);
        struct input_dev *input_dev = kbd->input;
 
        mutex_lock(&input_dev->mutex);
 
-       if (device_may_wakeup(&pdev->dev)) {
+       if (device_may_wakeup(dev)) {
                if (kbd->irq_wake_enabled) {
                        kbd->irq_wake_enabled = false;
                        disable_irq_wake(kbd->irq);
diff --git a/drivers/input/keyboard/st-keyscan.c 
b/drivers/input/keyboard/st-keyscan.c
index f097128b93fe..b00554a41321 100644
--- a/drivers/input/keyboard/st-keyscan.c
+++ b/drivers/input/keyboard/st-keyscan.c
@@ -215,8 +215,7 @@ static int keyscan_probe(struct platform_device *pdev)
 #ifdef CONFIG_PM_SLEEP
 static int keyscan_suspend(struct device *dev)
 {
-       struct platform_device *pdev = to_platform_device(dev);
-       struct st_keyscan *keypad = platform_get_drvdata(pdev);
+       struct st_keyscan *keypad = dev_get_drvdata(dev);
        struct input_dev *input = keypad->input_dev;
 
        mutex_lock(&input->mutex);
@@ -232,8 +231,7 @@ static int keyscan_suspend(struct device *dev)
 
 static int keyscan_resume(struct device *dev)
 {
-       struct platform_device *pdev = to_platform_device(dev);
-       struct st_keyscan *keypad = platform_get_drvdata(pdev);
+       struct st_keyscan *keypad = dev_get_drvdata(dev);
        struct input_dev *input = keypad->input_dev;
        int retval = 0;
 
diff --git a/drivers/input/keyboard/tegra-kbc.c 
b/drivers/input/keyboard/tegra-kbc.c
index a37a7a9e9171..f33577944207 100644
--- a/drivers/input/keyboard/tegra-kbc.c
+++ b/drivers/input/keyboard/tegra-kbc.c
@@ -731,11 +731,10 @@ static void tegra_kbc_set_keypress_interrupt(struct 
tegra_kbc *kbc, bool enable)
 
 static int tegra_kbc_suspend(struct device *dev)
 {
-       struct platform_device *pdev = to_platform_device(dev);
-       struct tegra_kbc *kbc = platform_get_drvdata(pdev);
+       struct tegra_kbc *kbc = dev_get_drvdata(dev);
 
        mutex_lock(&kbc->idev->mutex);
-       if (device_may_wakeup(&pdev->dev)) {
+       if (device_may_wakeup(dev)) {
                disable_irq(kbc->irq);
                del_timer_sync(&kbc->timer);
                tegra_kbc_set_fifo_interrupt(kbc, false);
@@ -768,12 +767,11 @@ static int tegra_kbc_suspend(struct device *dev)
 
 static int tegra_kbc_resume(struct device *dev)
 {
-       struct platform_device *pdev = to_platform_device(dev);
-       struct tegra_kbc *kbc = platform_get_drvdata(pdev);
+       struct tegra_kbc *kbc = dev_get_drvdata(dev);
        int err = 0;
 
        mutex_lock(&kbc->idev->mutex);
-       if (device_may_wakeup(&pdev->dev)) {
+       if (device_may_wakeup(dev)) {
                disable_irq_wake(kbc->irq);
                tegra_kbc_setup_wakekeys(kbc, false);
                /* We will use fifo interrupts for key detection. */
-- 
2.20.1

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