gpio: ich: Switch to use struct device instead of platform_device

There is no need to have a pointer to struct platform_device.
Instead, switch to use struct device one.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

diff --git a/drivers/gpio/gpio-ich.c b/drivers/gpio/gpio-ich.c
index 4f388a48b632b1c649bb62bd5514c33a78867d75..de88a45c2e7c31fa03e800c81610513a37f1811a 100644 (file)
--- a/drivers/gpio/gpio-ich.c
+++ b/drivers/gpio/gpio-ich.c
@@ -100,7 +100,7 @@ struct ichx_desc {
 
 static struct {
        spinlock_t lock;
-       struct platform_device *dev;
+       struct device *dev;
        struct gpio_chip chip;
        struct resource *gpio_base;     /* GPIO IO base */
        struct resource *pm_base;       /* Power Mangagment IO base */
@@ -275,7 +275,7 @@ static void ichx_gpiolib_setup(struct gpio_chip *chip)
 {
        chip->owner = THIS_MODULE;
        chip->label = DRV_NAME;
-       chip->parent = &ichx_priv.dev->dev;
+       chip->parent = ichx_priv.dev;
 
        /* Allow chip-specific overrides of request()/get() */
        chip->request = ichx_priv.desc->request ?
@@ -398,15 +398,14 @@ static int ichx_gpio_request_regions(struct device *dev,
 
 static int ichx_gpio_probe(struct platform_device *pdev)
 {
+       struct device *dev = &pdev->dev;
+       struct lpc_ich_info *ich_info = dev_get_platdata(dev);
        struct resource *res_base, *res_pm;
        int err;
-       struct lpc_ich_info *ich_info = dev_get_platdata(&pdev->dev);
 
        if (!ich_info)
                return -ENODEV;
 
-       ichx_priv.dev = pdev;
-
        switch (ich_info->gpio_version) {
        case ICH_I3100_GPIO:
                ichx_priv.desc = &i3100_desc;
@@ -436,15 +435,17 @@ static int ichx_gpio_probe(struct platform_device *pdev)
                return -ENODEV;
        }
 
+       ichx_priv.dev = dev;
        spin_lock_init(&ichx_priv.lock);
+
        res_base = platform_get_resource(pdev, IORESOURCE_IO, ICH_RES_GPIO);
-       ichx_priv.use_gpio = ich_info->use_gpio;
-       err = ichx_gpio_request_regions(&pdev->dev, res_base, pdev->name,
-                                       ichx_priv.use_gpio);
+       err = ichx_gpio_request_regions(dev, res_base, pdev->name,
+                                       ich_info->use_gpio);
        if (err)
                return err;
 
        ichx_priv.gpio_base = res_base;
+       ichx_priv.use_gpio = ich_info->use_gpio;
 
        /*
         * If necessary, determine the I/O address of ACPI/power management
@@ -460,8 +461,8 @@ static int ichx_gpio_probe(struct platform_device *pdev)
                goto init;
        }
 
-       if (!devm_request_region(&pdev->dev, res_pm->start,
-                       resource_size(res_pm), pdev->name)) {
+       if (!devm_request_region(dev, res_pm->start, resource_size(res_pm),
+                                pdev->name)) {
                pr_warn("ACPI BAR is busy, GPI 0 - 15 unavailable\n");
                goto init;
        }