gpio: pl061: delete platform data handling

Platform data is a remnant of board files and all boards using
the PL061 have been migrated to use device tree or ACPI instead.
The custom mechanism to set line by default as inputs/outputs has
been superceded by the GPIO-internal hogging mechanism.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpio-pl061.c b/drivers/gpio/gpio-pl061.c
index cbcc631..0a6bfd2 100644 (file)
--- a/drivers/gpio/gpio-pl061.c
+++ b/drivers/gpio/gpio-pl061.c
@@ -38,19 +38,6 @@
 
 #define PL061_GPIO_NR  8
 
-struct pl061_platform_data {
-       /* number of the first GPIO */
-       unsigned        gpio_base;
-
-       /* number of the first IRQ.
-        * If the IRQ functionality in not desired this must be set to 0.
-        */
-       unsigned        irq_base;
-
-       u8              directions;     /* startup directions, 1: out, 0: in */
-       u8              values;         /* startup values */
-};
-
 #ifdef CONFIG_PM
 struct pl061_context_save_regs {
        u8 gpio_data;
@@ -306,26 +293,13 @@ static struct irq_chip pl061_irqchip = {
 static int pl061_probe(struct amba_device *adev, const struct amba_id *id)
 {
        struct device *dev = &adev->dev;
-       struct pl061_platform_data *pdata = dev_get_platdata(dev);
        struct pl061 *pl061;
-       int ret, irq, i, irq_base;
+       int ret, irq;
 
        pl061 = devm_kzalloc(dev, sizeof(*pl061), GFP_KERNEL);
        if (pl061 == NULL)
                return -ENOMEM;
 
-       if (pdata) {
-               pl061->gc.base = pdata->gpio_base;
-               irq_base = pdata->irq_base;
-               if (irq_base <= 0) {
-                       dev_err(&adev->dev, "invalid IRQ base in pdata\n");
-                       return -ENODEV;
-               }
-       } else {
-               pl061->gc.base = -1;
-               irq_base = 0;
-       }
-
        pl061->base = devm_ioremap_resource(dev, &adev->res);
        if (IS_ERR(pl061->base))
                return PTR_ERR(pl061->base);
@@ -336,6 +310,7 @@ static int pl061_probe(struct amba_device *adev, const struct amba_id *id)
                pl061->gc.free = gpiochip_generic_free;
        }
 
+       pl061->gc.base = -1;
        pl061->gc.get_direction = pl061_get_direction;
        pl061->gc.direction_input = pl061_direction_input;
        pl061->gc.direction_output = pl061_direction_output;
@@ -362,7 +337,7 @@ static int pl061_probe(struct amba_device *adev, const struct amba_id *id)
        pl061->parent_irq = irq;
 
        ret = gpiochip_irqchip_add(&pl061->gc, &pl061_irqchip,
-                                  irq_base, handle_bad_irq,
+                                  0, handle_bad_irq,
                                   IRQ_TYPE_NONE);
        if (ret) {
                dev_info(&adev->dev, "could not add irqchip\n");
@@ -371,16 +346,6 @@ static int pl061_probe(struct amba_device *adev, const struct amba_id *id)
        gpiochip_set_chained_irqchip(&pl061->gc, &pl061_irqchip,
                                     irq, pl061_irq_handler);
 
-       for (i = 0; i < PL061_GPIO_NR; i++) {
-               if (pdata) {
-                       if (pdata->directions & (BIT(i)))
-                               pl061_direction_output(&pl061->gc, i,
-                                               pdata->values & (BIT(i)));
-                       else
-                               pl061_direction_input(&pl061->gc, i);
-               }
-       }
-
        amba_set_drvdata(adev, pl061);
        dev_info(&adev->dev, "PL061 GPIO chip @%pa registered\n",
                 &adev->res.start);