MIPS: Alchemy: use runtime cpu detection in GPIO code.

Remove the cpu subtype cpp macros in favor of runtime detection,
to improve compile coverage of the alchemy common code.
(Increases kernel size by 700 bytes).

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/699/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 3 insertions, 7 deletions

diff --git a/arch/mips/alchemy/common/gpiolib-au1000.c b/arch/mips/alchemy/common/gpiolib-au1000.c
index 1bfa91f939f..c8e1a94d4a9 100644
--- a/arch/mips/alchemy/common/gpiolib-au1000.c
+++ b/arch/mips/alchemy/common/gpiolib-au1000.c
@@ -36,7 +36,6 @@
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-au1x00/gpio.h>
 
-#if !defined(CONFIG_SOC_AU1000)
 static int gpio2_get(struct gpio_chip *chip, unsigned offset)
 {
         return alchemy_gpio2_get_value(offset + ALCHEMY_GPIO2_BASE);
@@ -63,7 +62,7 @@ static int gpio2_to_irq(struct gpio_chip *chip, unsigned offset)
 {
         return alchemy_gpio2_to_irq(offset + ALCHEMY_GPIO2_BASE);
 }
-#endif /* !defined(CONFIG_SOC_AU1000) */
+
 
 static int gpio1_get(struct gpio_chip *chip, unsigned offset)
 {
@@ -104,7 +103,6 @@ struct gpio_chip alchemy_gpio_chip[] = {
                 .base                   = ALCHEMY_GPIO1_BASE,
                 .ngpio                  = ALCHEMY_GPIO1_NUM,
         },
-#if !defined(CONFIG_SOC_AU1000)
         [1] = {
                 .label                  = "alchemy-gpio2",
                 .direction_input        = gpio2_direction_input,
@@ -115,15 +113,13 @@ struct gpio_chip alchemy_gpio_chip[] = {
                 .base                   = ALCHEMY_GPIO2_BASE,
                 .ngpio                  = ALCHEMY_GPIO2_NUM,
         },
-#endif
 };
 
 static int __init alchemy_gpiolib_init(void)
 {
         gpiochip_add(&alchemy_gpio_chip[0]);
-#if !defined(CONFIG_SOC_AU1000)
-        gpiochip_add(&alchemy_gpio_chip[1]);
-#endif
+        if (alchemy_get_cputype() != ALCHEMY_CPU_AU1000)
+                gpiochip_add(&alchemy_gpio_chip[1]);
 
         return 0;
 }