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authorFrederic Weisbecker <fweisbec@gmail.com>2009-10-18 01:09:09 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2009-10-18 01:12:33 +0200
commit0f8f86c7bdd1c954fbe153af437a0d91a6c5721a (patch)
tree94a8d419a470a4f9852ca397bb9bbe48db92ff5c /arch/arm/mach-u300/gpio.c
parentMerge branch 'linus' into tracing/hw-breakpoints (diff)
parentperf tools: Move dereference after NULL test (diff)
downloadlinux-dev-0f8f86c7bdd1c954fbe153af437a0d91a6c5721a.tar.xz
linux-dev-0f8f86c7bdd1c954fbe153af437a0d91a6c5721a.zip
Merge commit 'perf/core' into perf/hw-breakpoint
Conflicts: kernel/Makefile kernel/trace/Makefile kernel/trace/trace.h samples/Makefile Merge reason: We need to be uptodate with the perf events development branch because we plan to rewrite the breakpoints API on top of perf events.
Diffstat (limited to 'arch/arm/mach-u300/gpio.c')
-rw-r--r--arch/arm/mach-u300/gpio.c23
1 files changed, 10 insertions, 13 deletions
diff --git a/arch/arm/mach-u300/gpio.c b/arch/arm/mach-u300/gpio.c
index 308cdb197a92..0b35826b7d1d 100644
--- a/arch/arm/mach-u300/gpio.c
+++ b/arch/arm/mach-u300/gpio.c
@@ -25,11 +25,6 @@
#include <linux/platform_device.h>
#include <linux/gpio.h>
-/* Need access to SYSCON registers for PADmuxing */
-#include <mach/syscon.h>
-
-#include "padmux.h"
-
/* Reference to GPIO block clock */
static struct clk *clk;
@@ -286,6 +281,16 @@ int gpio_unregister_callback(unsigned gpio)
}
EXPORT_SYMBOL(gpio_unregister_callback);
+/* Non-zero means valid */
+int gpio_is_valid(int number)
+{
+ if (number >= 0 &&
+ number < (U300_GPIO_NUM_PORTS * U300_GPIO_PINS_PER_PORT))
+ return 1;
+ return 0;
+}
+EXPORT_SYMBOL(gpio_is_valid);
+
int gpio_request(unsigned gpio, const char *label)
{
if (gpio_pin[gpio].users)
@@ -606,14 +611,6 @@ static int __init gpio_probe(struct platform_device *pdev)
writel(U300_GPIO_CR_BLOCK_CLKRQ_ENABLE, virtbase + U300_GPIO_CR);
#endif
- /* Set up some padmuxing here */
-#ifdef CONFIG_MMC
- pmx_set_mission_mode_mmc();
-#endif
-#ifdef CONFIG_SPI_PL022
- pmx_set_mission_mode_spi();
-#endif
-
gpio_set_initial_values();
for (num_irqs = 0 ; num_irqs < U300_GPIO_NUM_PORTS; num_irqs++) {