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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2009-06-08 19:27:13 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-06-08 19:27:13 +0100
commit7698fdedcfa3cab3dd40c9b685590b23be02e267 (patch)
tree207ddae0f963174356b1a9de7fff8e48a9c1e9c1 /arch/arm/mach-pxa/mfp-pxa2xx.c
parent2d8d24935d372175786ebefa8a2de8680831b67f (diff)
parentae5c8c83735f5fcb09b380944e4854a383006998 (diff)
Merge branch 'for-rmk' of git://git.marvell.com/orion into devel
Diffstat (limited to 'arch/arm/mach-pxa/mfp-pxa2xx.c')
-rw-r--r--arch/arm/mach-pxa/mfp-pxa2xx.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/mfp-pxa2xx.c b/arch/arm/mach-pxa/mfp-pxa2xx.c
index 7ffb91d64c3..cf6b720c055 100644
--- a/arch/arm/mach-pxa/mfp-pxa2xx.c
+++ b/arch/arm/mach-pxa/mfp-pxa2xx.c
@@ -322,6 +322,7 @@ static inline void pxa27x_mfp_init(void) {}
#ifdef CONFIG_PM
static unsigned long saved_gafr[2][4];
static unsigned long saved_gpdr[4];
+static unsigned long saved_pgsr[4];
static int pxa2xx_mfp_suspend(struct sys_device *d, pm_message_t state)
{
@@ -332,6 +333,7 @@ static int pxa2xx_mfp_suspend(struct sys_device *d, pm_message_t state)
saved_gafr[0][i] = GAFR_L(i);
saved_gafr[1][i] = GAFR_U(i);
saved_gpdr[i] = GPDR(i * 32);
+ saved_pgsr[i] = PGSR(i);
GPDR(i * 32) = gpdr_lpm[i];
}
@@ -346,6 +348,7 @@ static int pxa2xx_mfp_resume(struct sys_device *d)
GAFR_L(i) = saved_gafr[0][i];
GAFR_U(i) = saved_gafr[1][i];
GPDR(i * 32) = saved_gpdr[i];
+ PGSR(i) = saved_pgsr[i];
}
PSSR = PSSR_RDH | PSSR_PH;
return 0;
@@ -374,6 +377,9 @@ static int __init pxa2xx_mfp_init(void)
if (cpu_is_pxa27x())
pxa27x_mfp_init();
+ /* clear RDH bit to enable GPIO receivers after reset/sleep exit */
+ PSSR = PSSR_RDH;
+
/* initialize gafr_run[], pgsr_lpm[] from existing values */
for (i = 0; i <= gpio_to_bank(pxa_last_gpio); i++)
gpdr_lpm[i] = GPDR(i * 32);