openwrt/target/linux/bcm53xx/patches-3.18/180-bcma_set_gpio_base.patch
Felix Fietkau d24388da44 bcm53xx: add a comment about the gpio base patch
Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 45408
2015-04-12 22:10:44 +00:00

18 lines
626 B
Diff

Subject: [PATCH] bcma: set gpio chip->base for CONFIG_ARCH_BCM_5301X like on 47xx
This makes system GPIOs easier to deal with, e.g. for user space scripts.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
---
--- a/drivers/bcma/driver_gpio.c
+++ b/drivers/bcma/driver_gpio.c
@@ -240,7 +240,7 @@ int bcma_gpio_init(struct bcma_drv_cc *c
* relative (per chip) numbers.
* So let's use predictable base for BCM47XX and "random" for all other.
*/
-#if IS_BUILTIN(CONFIG_BCM47XX)
+#if IS_BUILTIN(CONFIG_BCM47XX) || IS_BUILTIN(CONFIG_ARCH_BCM_5301X)
chip->base = bus->num * BCMA_GPIO_MAX_PINS;
#else
chip->base = -1;