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authoreric miao <eric.miao@marvell.com>2008-01-28 23:00:02 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-02-04 13:17:33 +0000
commit16dfdbf038706c12c56f327d14c6b901edc376a3 (patch)
tree1f761ae7ff1c4ba837d24c69521d5cbe0b2d7e72 /arch/arm/mach-pxa/pxa27x.c
parentc016550490687c6bdbcdf06c7b4d874b6c7c6e4e (diff)
[ARM] pxa: introduce sysdev for GPIO register saving/restoring
Signed-off-by: eric miao <eric.miao@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-pxa/pxa27x.c')
-rw-r--r--arch/arm/mach-pxa/pxa27x.c23
1 files changed, 2 insertions, 21 deletions
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index 343296a710b..46a951c3e5a 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -172,11 +172,6 @@ static struct clk pxa27x_clks[] = {
#define SAVE(x) sleep_save[SLEEP_SAVE_##x] = x
#define RESTORE(x) x = sleep_save[SLEEP_SAVE_##x]
-#define RESTORE_GPLEVEL(n) do { \
- GPSR##n = sleep_save[SLEEP_SAVE_GPLR##n]; \
- GPCR##n = ~sleep_save[SLEEP_SAVE_GPLR##n]; \
-} while (0)
-
/*
* List of global PXA peripheral registers to preserve.
* More ones like CP and general purpose register values are preserved
@@ -184,10 +179,6 @@ static struct clk pxa27x_clks[] = {
*/
enum { SLEEP_SAVE_START = 0,
- SLEEP_SAVE_GPLR0, SLEEP_SAVE_GPLR1, SLEEP_SAVE_GPLR2, SLEEP_SAVE_GPLR3,
- SLEEP_SAVE_GPDR0, SLEEP_SAVE_GPDR1, SLEEP_SAVE_GPDR2, SLEEP_SAVE_GPDR3,
- SLEEP_SAVE_GRER0, SLEEP_SAVE_GRER1, SLEEP_SAVE_GRER2, SLEEP_SAVE_GRER3,
- SLEEP_SAVE_GFER0, SLEEP_SAVE_GFER1, SLEEP_SAVE_GFER2, SLEEP_SAVE_GFER3,
SLEEP_SAVE_PGSR0, SLEEP_SAVE_PGSR1, SLEEP_SAVE_PGSR2, SLEEP_SAVE_PGSR3,
SLEEP_SAVE_GAFR0_L, SLEEP_SAVE_GAFR0_U,
@@ -208,10 +199,6 @@ enum { SLEEP_SAVE_START = 0,
void pxa27x_cpu_pm_save(unsigned long *sleep_save)
{
- SAVE(GPLR0); SAVE(GPLR1); SAVE(GPLR2); SAVE(GPLR3);
- SAVE(GPDR0); SAVE(GPDR1); SAVE(GPDR2); SAVE(GPDR3);
- SAVE(GRER0); SAVE(GRER1); SAVE(GRER2); SAVE(GRER3);
- SAVE(GFER0); SAVE(GFER1); SAVE(GFER2); SAVE(GFER3);
SAVE(PGSR0); SAVE(PGSR1); SAVE(PGSR2); SAVE(PGSR3);
SAVE(GAFR0_L); SAVE(GAFR0_U);
@@ -225,9 +212,6 @@ void pxa27x_cpu_pm_save(unsigned long *sleep_save)
SAVE(CKEN);
SAVE(PSTR);
-
- /* Clear GPIO transition detect bits */
- GEDR0 = GEDR0; GEDR1 = GEDR1; GEDR2 = GEDR2; GEDR3 = GEDR3;
}
void pxa27x_cpu_pm_restore(unsigned long *sleep_save)
@@ -236,15 +220,10 @@ void pxa27x_cpu_pm_restore(unsigned long *sleep_save)
PSPR = 0;
/* restore registers */
- RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1);
- RESTORE_GPLEVEL(2); RESTORE_GPLEVEL(3);
- RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2); RESTORE(GPDR3);
RESTORE(GAFR0_L); RESTORE(GAFR0_U);
RESTORE(GAFR1_L); RESTORE(GAFR1_U);
RESTORE(GAFR2_L); RESTORE(GAFR2_U);
RESTORE(GAFR3_L); RESTORE(GAFR3_U);
- RESTORE(GRER0); RESTORE(GRER1); RESTORE(GRER2); RESTORE(GRER3);
- RESTORE(GFER0); RESTORE(GFER1); RESTORE(GFER2); RESTORE(GFER3);
RESTORE(PGSR0); RESTORE(PGSR1); RESTORE(PGSR2); RESTORE(PGSR3);
RESTORE(MDREFR);
@@ -412,6 +391,8 @@ static struct sys_device pxa27x_sysdev[] = {
}, {
.id = 1,
.cls = &pxa_irq_sysclass,
+ }, {
+ .cls = &pxa_gpio_sysclass,
},
};