Thread (43 messages) 43 messages, 10 authors, 2013-03-01

[PATCH 1/5] gpio/omap: Remove bank->id information and misc cleanup

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From: DebBarma, Tarun Kanti <hidden>
Date: 2012-02-16 05:53:47
Also in: linux-devicetree, linux-omap

On Wed, Feb 15, 2012 at 9:34 PM, Benoit Cousson [off-list ref] wrote:
The driver does not need anymore any id to identify the GPIO instance.
Remove every occurence of the bank->id inside the driver.

Remove two trailing spaces.
Add a dev variable for better readability in probe.
Remove unused variable bank->pbase.

Signed-off-by: Benoit Cousson <redacted>
Cc: Tarun Kanti DebBarma <redacted>
Looks fine.
If needed you can add my Acked-by:
--
Tarun
quoted hunk ↗ jump to hunk
---
?drivers/gpio/gpio-omap.c | ? 23 +++++++++--------------
?1 files changed, 9 insertions(+), 14 deletions(-)
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index f49bd6f..a0c3e03 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -50,7 +50,6 @@ struct gpio_regs {
?struct gpio_bank {
? ? ? ?struct list_head node;
- ? ? ? unsigned long pbase;
? ? ? ?void __iomem *base;
? ? ? ?u16 irq;
? ? ? ?u16 virtual_irq_start;
@@ -77,7 +76,6 @@ struct gpio_bank {
? ? ? ?int stride;
? ? ? ?u32 width;
? ? ? ?int context_loss_count;
- ? ? ? u16 id;
? ? ? ?int power_mode;
? ? ? ?bool workaround_enabled;
@@ -155,7 +153,7 @@ static inline void _gpio_rmw(void __iomem *base, u32 reg, u32 mask, bool set)
?{
? ? ? ?int l = __raw_readl(base + reg);

- ? ? ? if (set)
+ ? ? ? if (set)
? ? ? ? ? ? ? ?l |= mask;
? ? ? ?else
? ? ? ? ? ? ? ?l &= ~mask;
@@ -495,7 +493,7 @@ static int _set_gpio_wakeup(struct gpio_bank *bank, int gpio, int enable)
? ? ? ?unsigned long flags;

? ? ? ?if (bank->non_wakeup_gpios & gpio_bit) {
- ? ? ? ? ? ? ? dev_err(bank->dev,
+ ? ? ? ? ? ? ? dev_err(bank->dev,
? ? ? ? ? ? ? ? ? ? ? ?"Unable to modify wakeup on non-wakeup GPIO%d\n", gpio);
? ? ? ? ? ? ? ?return -EINVAL;
? ? ? ?}
@@ -1048,37 +1046,36 @@ static void __devinit omap_gpio_chip_init(struct gpio_bank *bank)
?static int __devinit omap_gpio_probe(struct platform_device *pdev)
?{
+ ? ? ? struct device *dev = &pdev->dev;
? ? ? ?struct omap_gpio_platform_data *pdata;
? ? ? ?struct resource *res;
? ? ? ?struct gpio_bank *bank;
? ? ? ?int ret = 0;

- ? ? ? if (!pdev->dev.platform_data) {
+ ? ? ? if (!dev->platform_data) {
? ? ? ? ? ? ? ?ret = -EINVAL;
? ? ? ? ? ? ? ?goto err_exit;
? ? ? ?}

? ? ? ?bank = kzalloc(sizeof(struct gpio_bank), GFP_KERNEL);
? ? ? ?if (!bank) {
- ? ? ? ? ? ? ? dev_err(&pdev->dev, "Memory alloc failed for gpio_bank\n");
+ ? ? ? ? ? ? ? dev_err(dev, "Memory alloc failed\n");
? ? ? ? ? ? ? ?ret = -ENOMEM;
? ? ? ? ? ? ? ?goto err_exit;
? ? ? ?}

? ? ? ?res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
? ? ? ?if (unlikely(!res)) {
- ? ? ? ? ? ? ? dev_err(&pdev->dev, "GPIO Bank %i Invalid IRQ resource\n",
- ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? pdev->id);
+ ? ? ? ? ? ? ? dev_err(dev, "Invalid IRQ resource\n");
? ? ? ? ? ? ? ?ret = -ENODEV;
? ? ? ? ? ? ? ?goto err_free;
? ? ? ?}

? ? ? ?bank->irq = res->start;
- ? ? ? bank->id = pdev->id;

? ? ? ?pdata = pdev->dev.platform_data;
? ? ? ?bank->virtual_irq_start = pdata->virtual_irq_start;
- ? ? ? bank->dev = &pdev->dev;
+ ? ? ? bank->dev = dev;
? ? ? ?bank->dbck_flag = pdata->dbck_flag;
? ? ? ?bank->stride = pdata->bank_stride;
? ? ? ?bank->width = pdata->bank_width;
@@ -1098,16 +1095,14 @@ static int __devinit omap_gpio_probe(struct platform_device *pdev)
? ? ? ?/* Static mapping, never released */
? ? ? ?res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
? ? ? ?if (unlikely(!res)) {
- ? ? ? ? ? ? ? dev_err(&pdev->dev, "GPIO Bank %i Invalid mem resource\n",
- ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? pdev->id);
+ ? ? ? ? ? ? ? dev_err(dev, "Invalid mem resource\n");
? ? ? ? ? ? ? ?ret = -ENODEV;
? ? ? ? ? ? ? ?goto err_free;
? ? ? ?}

? ? ? ?bank->base = ioremap(res->start, resource_size(res));
? ? ? ?if (!bank->base) {
- ? ? ? ? ? ? ? dev_err(&pdev->dev, "Could not ioremap gpio bank%i\n",
- ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? pdev->id);
+ ? ? ? ? ? ? ? dev_err(dev, "Could not ioremap\n");
? ? ? ? ? ? ? ?ret = -ENOMEM;
? ? ? ? ? ? ? ?goto err_free;
? ? ? ?}
--
1.7.0.4
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