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openwrt-xburst/target/linux/lantiq/patches/820-fix-falcon-ltq_gpio_request.patch
blogic 79a88f017c lantiq: fix breakage introduced in 3.1 bump
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28961 3c298f89-4303-0410-b956-a3cf2f4a3e73
2011-11-11 21:59:01 +00:00

54 lines
2.0 KiB
Diff

--- a/arch/mips/include/asm/mach-lantiq/falcon/lantiq_soc.h
+++ b/arch/mips/include/asm/mach-lantiq/falcon/lantiq_soc.h
@@ -129,8 +129,8 @@ extern __iomem void *ltq_sys1_membase;
ltq_sys1_w32((ltq_sys1_r32(reg) & ~(clear)) | (set), reg)
/* gpio_request wrapper to help configure the pin */
-extern int ltq_gpio_request(unsigned int pin, unsigned int val,
- unsigned int dir, const char *name);
+extern int ltq_gpio_request(unsigned int pin, unsigned int alt0,
+ unsigned int alt1, unsigned int dir, const char *name);
extern int ltq_gpio_mux_set(unsigned int pin, unsigned int mux);
/* to keep the irq code generic we need to define these to 0 as falcon
--- a/arch/mips/lantiq/falcon/gpio.c
+++ b/arch/mips/lantiq/falcon/gpio.c
@@ -96,11 +96,12 @@ int ltq_gpio_mux_set(unsigned int pin, u
}
EXPORT_SYMBOL(ltq_gpio_mux_set);
-int ltq_gpio_request(unsigned int pin, unsigned int val,
- unsigned int dir, const char *name)
+int ltq_gpio_request(unsigned int pin, unsigned int alt0,
+ unsigned int alt1, unsigned int dir, const char *name)
{
int port = pin / 100;
int offset = pin % 100;
+ unsigned int mux = (!!alt0) & ((!!alt1) << 1);
if (offset >= PINS_PER_PORT || port >= MAX_PORTS)
return -EINVAL;
@@ -115,7 +116,7 @@ int ltq_gpio_request(unsigned int pin, u
else
gpio_direction_input(pin);
- return ltq_gpio_mux_set(pin, val);
+ return ltq_gpio_mux_set(pin, mux);
}
EXPORT_SYMBOL(ltq_gpio_request);
--- a/arch/mips/lantiq/falcon/prom.c
+++ b/arch/mips/lantiq/falcon/prom.c
@@ -43,9 +43,9 @@ ltq_soc_setup(void)
falcon_register_gpio();
if (register_asc1) {
ltq_register_asc(1);
- if (ltq_gpio_request(MUXC_SIF_RX_PIN, 3, 0, "asc1-rx"))
+ if (ltq_gpio_request(MUXC_SIF_RX_PIN, 1, 1, 0, "asc1-rx"))
pr_err("failed to request asc1-rx");
- if (ltq_gpio_request(MUXC_SIF_TX_PIN, 3, 1, "asc1-tx"))
+ if (ltq_gpio_request(MUXC_SIF_TX_PIN, 1, 1, 1, "asc1-tx"))
pr_err("failed to request asc1-tx");
ltq_sysctl_activate(SYSCTL_SYS1, ACTS_ASC1_ACT);
}