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-rw-r--r--arch/arm/mach-sa1100/generic.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/mach-sa1100/generic.c b/arch/arm/mach-sa1100/generic.c
index e510295c2580..192a5a26cf2b 100644
--- a/arch/arm/mach-sa1100/generic.c
+++ b/arch/arm/mach-sa1100/generic.c
@@ -138,6 +138,36 @@ unsigned long long sched_clock(void)
138 return v; 138 return v;
139} 139}
140 140
141int gpio_direction_input(unsigned gpio)
142{
143 unsigned long flags;
144
145 if (gpio > GPIO_MAX)
146 return -EINVAL;
147
148 local_irq_save(flags);
149 GPDR &= ~GPIO_GPIO(gpio);
150 local_irq_restore(flags);
151 return 0;
152}
153
154EXPORT_SYMBOL(gpio_direction_input);
155
156int gpio_direction_output(unsigned gpio)
157{
158 unsigned long flags;
159
160 if (gpio > GPIO_MAX)
161 return -EINVAL;
162
163 local_irq_save(flags);
164 GPDR |= GPIO_GPIO(gpio);
165 local_irq_restore(flags);
166 return 0;
167}
168
169EXPORT_SYMBOL(gpio_direction_output);
170
141/* 171/*
142 * Default power-off for SA1100 172 * Default power-off for SA1100
143 */ 173 */