diff options
| -rw-r--r-- | arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/mfp-pxa2xx.c | 11 |
2 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h b/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h index 658b28ed129b..c54cef25895c 100644 --- a/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h +++ b/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h @@ -25,6 +25,8 @@ #define MFP_DIR(x) (((x) >> 23) & 0x1) #define MFP_LPM_CAN_WAKEUP (0x1 << 24) +#define MFP_LPM_KEEP_OUTPUT (0x1 << 25) + #define WAKEUP_ON_EDGE_RISE (MFP_LPM_CAN_WAKEUP | MFP_LPM_EDGE_RISE) #define WAKEUP_ON_EDGE_FALL (MFP_LPM_CAN_WAKEUP | MFP_LPM_EDGE_FALL) #define WAKEUP_ON_EDGE_BOTH (MFP_LPM_CAN_WAKEUP | MFP_LPM_EDGE_BOTH) diff --git a/arch/arm/mach-pxa/mfp-pxa2xx.c b/arch/arm/mach-pxa/mfp-pxa2xx.c index cf6b720c055f..c98b5a8c3b0f 100644 --- a/arch/arm/mach-pxa/mfp-pxa2xx.c +++ b/arch/arm/mach-pxa/mfp-pxa2xx.c @@ -328,6 +328,17 @@ static int pxa2xx_mfp_suspend(struct sys_device *d, pm_message_t state) { int i; + /* set corresponding PGSR bit of those marked MFP_LPM_KEEP_OUTPUT */ + for (i = 0; i < pxa_last_gpio; i++) { + if ((gpio_desc[i].config & MFP_LPM_KEEP_OUTPUT) && + (GPDR(i) & GPIO_bit(i))) { + if (GPLR(i) & GPIO_bit(i)) + PGSR(i) |= GPIO_bit(i); + else + PGSR(i) &= ~GPIO_bit(i); + } + } + for (i = 0; i <= gpio_to_bank(pxa_last_gpio); i++) { saved_gafr[0][i] = GAFR_L(i); |