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Diffstat (limited to 'arch/arm/plat-omap/include/plat/gpio.h')
-rw-r--r--arch/arm/plat-omap/include/plat/gpio.h22
1 files changed, 3 insertions, 19 deletions
diff --git a/arch/arm/plat-omap/include/plat/gpio.h b/arch/arm/plat-omap/include/plat/gpio.h
index cb75b657b04b..b8a96c6a1a30 100644
--- a/arch/arm/plat-omap/include/plat/gpio.h
+++ b/arch/arm/plat-omap/include/plat/gpio.h
@@ -218,30 +218,14 @@ extern void omap_set_gpio_debounce(int gpio, int enable);
218extern void omap_set_gpio_debounce_time(int gpio, int enable); 218extern void omap_set_gpio_debounce_time(int gpio, int enable);
219/*-------------------------------------------------------------------------*/ 219/*-------------------------------------------------------------------------*/
220 220
221/* Wrappers for "new style" GPIO calls, using the new infrastructure 221/*
222 * Wrappers for "new style" GPIO calls, using the new infrastructure
222 * which lets us plug in FPGA, I2C, and other implementations. 223 * which lets us plug in FPGA, I2C, and other implementations.
223 * * 224 *
224 * The original OMAP-specific calls should eventually be removed. 225 * The original OMAP-specific calls should eventually be removed.
225 */ 226 */
226 227
227#include <linux/errno.h> 228#include <linux/errno.h>
228#include <asm-generic/gpio.h> 229#include <asm-generic/gpio.h>
229 230
230static inline int irq_to_gpio(unsigned irq)
231{
232 int tmp;
233
234 /* omap1 SOC mpuio */
235 if (cpu_class_is_omap1() && (irq < (IH_MPUIO_BASE + 16)))
236 return (irq - IH_MPUIO_BASE) + OMAP_MAX_GPIO_LINES;
237
238 /* SOC gpio */
239 tmp = irq - IH_GPIO_BASE;
240 if (tmp < OMAP_MAX_GPIO_LINES)
241 return tmp;
242
243 /* we don't supply reverse mappings for non-SOC gpios */
244 return -EIO;
245}
246
247#endif 231#endif