summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-pxa/mfp-pxa2xx.c
diff options
context:
space:
mode:
authorRussell King2009-05-23 12:16:05 +0200
committerRussell King2009-05-23 12:16:05 +0200
commit355532bdda14a7162cee55fdd67600bf9bc9a152 (patch)
tree96c6e79c22ba65a47685097460b8e0168a2ff431 /arch/arm/mach-pxa/mfp-pxa2xx.c
parentMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiw... (diff)
parent[ARM] pxa/palm: fix PalmLD/T5/TX AC97 MFP (diff)
downloadkernel-qcow2-linux-355532bdda14a7162cee55fdd67600bf9bc9a152.tar.gz
kernel-qcow2-linux-355532bdda14a7162cee55fdd67600bf9bc9a152.tar.xz
kernel-qcow2-linux-355532bdda14a7162cee55fdd67600bf9bc9a152.zip
Merge branch 'fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6
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 7ffb91d64c39..cf6b720c055f 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);