ARM: at91: make gpio register base soc independant
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Reviewed-by: Ryan Mallon <rmallon@gmail.com>
diff --git a/arch/arm/mach-at91/gpio.c b/arch/arm/mach-at91/gpio.c
index 224e9e2..cedb753 100644
--- a/arch/arm/mach-at91/gpio.c
+++ b/arch/arm/mach-at91/gpio.c
@@ -614,8 +614,12 @@
at91_gpio->bank = &data[i];
at91_gpio->chip.base = PIN_BASE + i * 32;
- at91_gpio->regbase = at91_gpio->bank->offset +
- (void __iomem *)AT91_VA_BASE_SYS;
+
+ at91_gpio->regbase = ioremap(at91_gpio->bank->regbase, 512);
+ if (!at91_gpio->regbase) {
+ pr_err("at91_gpio.%d, failed to map registers, ignoring.\n", i);
+ continue;
+ }
/* enable PIO controller's clock */
clk_enable(at91_gpio->bank->clock);