diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2012-04-17 10:15:54 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2012-04-24 09:36:04 +0200 |
| commit | 8d91771ca4aff257f53ac7643f90b5cbb740971b (patch) | |
| tree | 991fc0ffa84d0ea9378ecb6e4542032e081046c6 /drivers/gpio/gpio-nomadik.c | |
| parent | gpio/nomadik: support low EMI mode (diff) | |
| download | linux-8d91771ca4aff257f53ac7643f90b5cbb740971b.tar.xz linux-8d91771ca4aff257f53ac7643f90b5cbb740971b.zip | |
gpio/nomadik: use ioremap() instead of static mappings
We were using a custom io_p2v() (physical-to-virtual) translation
macro, but it's fully possible to just ioremap() this memory
now, so skip use of static addresses altogether.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-nomadik.c')
| -rw-r--r-- | drivers/gpio/gpio-nomadik.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/gpio/gpio-nomadik.c b/drivers/gpio/gpio-nomadik.c index 7b45d88b4f44..b35eb25209ec 100644 --- a/drivers/gpio/gpio-nomadik.c +++ b/drivers/gpio/gpio-nomadik.c @@ -28,8 +28,6 @@ #include <plat/pincfg.h> #include <plat/gpio-nomadik.h> -#include <mach/hardware.h> -#include <asm/gpio.h> /* * The GPIO module in the Nomadik family of Systems-on-Chip is an @@ -1139,6 +1137,7 @@ static int __devinit nmk_gpio_probe(struct platform_device *dev) struct resource *res; struct clk *clk; int secondary_irq; + void __iomem *base; int irq; int ret; @@ -1169,10 +1168,16 @@ static int __devinit nmk_gpio_probe(struct platform_device *dev) goto out; } + base = ioremap(res->start, resource_size(res)); + if (!base) { + ret = -ENOMEM; + goto out_release; + } + clk = clk_get(&dev->dev, NULL); if (IS_ERR(clk)) { ret = PTR_ERR(clk); - goto out_release; + goto out_unmap; } nmk_chip = kzalloc(sizeof(*nmk_chip), GFP_KERNEL); @@ -1186,7 +1191,7 @@ static int __devinit nmk_gpio_probe(struct platform_device *dev) */ nmk_chip->bank = dev->id; nmk_chip->clk = clk; - nmk_chip->addr = io_p2v(res->start); + nmk_chip->addr = base; nmk_chip->chip = nmk_gpio_template; nmk_chip->parent_irq = irq; nmk_chip->secondary_parent_irq = secondary_irq; @@ -1226,6 +1231,8 @@ out_free: out_clk: clk_disable(clk); clk_put(clk); +out_unmap: + iounmap(base); out_release: release_mem_region(res->start, resource_size(res)); out: |