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authorLinus Walleij <linus.walleij@linaro.org>2013-09-09 16:59:54 +0200
committerLinus Walleij <linus.walleij@linaro.org>2013-09-20 23:05:19 +0200
commite34ca9de0b3575fc7e94b1f520169fc7024c6dd2 (patch)
tree59f07ccc522e59385ef604003ec3e615409ff773
parentgpio: iop: use readl/writel accessors (diff)
downloadwireguard-linux-e34ca9de0b3575fc7e94b1f520169fc7024c6dd2.tar.xz
wireguard-linux-e34ca9de0b3575fc7e94b1f520169fc7024c6dd2.zip
ARM: plat-iop: pass physical base for GPIO
This alters the IOP platforms to pass a physical base for their GPIO blocks and alters the driver to remap it when probing instead of relying on the virtual addresses to be used. Cc: Lennert Buytenhek <kernel@wantstofly.org> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Mikael Pettersson <mikpe@it.uu.se> Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
-rw-r--r--arch/arm/mach-iop32x/gpio-iop32x.h2
-rw-r--r--arch/arm/mach-iop33x/iq80331.c2
-rw-r--r--arch/arm/mach-iop33x/iq80332.c2
-rw-r--r--drivers/gpio/gpio-iop.c2
4 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm/mach-iop32x/gpio-iop32x.h b/arch/arm/mach-iop32x/gpio-iop32x.h
index b8710a63a13e..3c7309c02029 100644
--- a/arch/arm/mach-iop32x/gpio-iop32x.h
+++ b/arch/arm/mach-iop32x/gpio-iop32x.h
@@ -1,5 +1,5 @@
static struct resource iop32x_gpio_res[] = {
- DEFINE_RES_MEM((IOP3XX_PERIPHERAL_VIRT_BASE + 0x07c4), 0x10),
+ DEFINE_RES_MEM((IOP3XX_PERIPHERAL_PHYS_BASE + 0x07c4), 0x10),
};
static inline void register_iop32x_gpio(void)
diff --git a/arch/arm/mach-iop33x/iq80331.c b/arch/arm/mach-iop33x/iq80331.c
index 25741c4c92de..e2cb65cfbe23 100644
--- a/arch/arm/mach-iop33x/iq80331.c
+++ b/arch/arm/mach-iop33x/iq80331.c
@@ -123,7 +123,7 @@ static struct platform_device iq80331_flash_device = {
};
static struct resource iq80331_gpio_res[] = {
- DEFINE_RES_MEM((IOP3XX_PERIPHERAL_VIRT_BASE + 0x1780), 0x10),
+ DEFINE_RES_MEM((IOP3XX_PERIPHERAL_PHYS_BASE + 0x1780), 0x10),
};
static void __init iq80331_init_machine(void)
diff --git a/arch/arm/mach-iop33x/iq80332.c b/arch/arm/mach-iop33x/iq80332.c
index a3b56e1c2ad4..0b6269d94f89 100644
--- a/arch/arm/mach-iop33x/iq80332.c
+++ b/arch/arm/mach-iop33x/iq80332.c
@@ -123,7 +123,7 @@ static struct platform_device iq80332_flash_device = {
};
static struct resource iq80332_gpio_res[] = {
- DEFINE_RES_MEM((IOP3XX_PERIPHERAL_VIRT_BASE + 0x1780), 0x10),
+ DEFINE_RES_MEM((IOP3XX_PERIPHERAL_PHYS_BASE + 0x1780), 0x10),
};
static void __init iq80332_init_machine(void)
diff --git a/drivers/gpio/gpio-iop.c b/drivers/gpio/gpio-iop.c
index 0d991d732467..c22a61be3a9c 100644
--- a/drivers/gpio/gpio-iop.c
+++ b/drivers/gpio/gpio-iop.c
@@ -110,7 +110,7 @@ static int iop3xx_gpio_probe(struct platform_device *pdev)
struct resource *res;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- base = (void *) res->start;
+ base = devm_ioremap_resource(&pdev->dev, res);
return gpiochip_add(&iop3xx_chip);
}