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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
commitc016550490687c6bdbcdf06c7b4d874b6c7c6e4e (patch)
treed2b31c1d89c72417d050343caa6a6a5161b6d02f /arch/arm/mach-pxa/pxa25x.c
parentcd5604d5618a802e4ed047eb8b1515edc5fc49b5 (diff)
downloadop-kernel-dev-c016550490687c6bdbcdf06c7b4d874b6c7c6e4e.zip
op-kernel-dev-c016550490687c6bdbcdf06c7b4d874b6c7c6e4e.tar.gz
[ARM] pxa: introduce sysdev for IRQ 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/pxa25x.c')
-rw-r--r--arch/arm/mach-pxa/pxa25x.c24
1 files changed, 17 insertions, 7 deletions
diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c
index ddd05bf..797635e 100644
--- a/arch/arm/mach-pxa/pxa25x.c
+++ b/arch/arm/mach-pxa/pxa25x.c
@@ -21,6 +21,7 @@
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/suspend.h>
+#include <linux/sysdev.h>
#include <asm/hardware.h>
#include <asm/arch/irqs.h>
@@ -165,7 +166,6 @@ enum { SLEEP_SAVE_START = 0,
SLEEP_SAVE_PSTR,
- SLEEP_SAVE_ICMR,
SLEEP_SAVE_CKEN,
SLEEP_SAVE_SIZE
@@ -184,7 +184,6 @@ static void pxa25x_cpu_pm_save(unsigned long *sleep_save)
SAVE(GAFR1_L); SAVE(GAFR1_U);
SAVE(GAFR2_L); SAVE(GAFR2_U);
- SAVE(ICMR); ICMR = 0;
SAVE(CKEN);
SAVE(PSTR);
@@ -210,10 +209,6 @@ static void pxa25x_cpu_pm_restore(unsigned long *sleep_save)
PSSR = PSSR_RDH | PSSR_PH;
RESTORE(CKEN);
-
- ICLR = 0;
- ICCR = 1;
- RESTORE(ICMR);
RESTORE(PSTR);
}
@@ -304,9 +299,15 @@ static struct platform_device *pxa25x_devices[] __initdata = {
&pxa25x_device_assp,
};
+static struct sys_device pxa25x_sysdev[] = {
+ {
+ .cls = &pxa_irq_sysclass,
+ },
+};
+
static int __init pxa25x_init(void)
{
- int ret = 0;
+ int i, ret = 0;
/* Only add HWUART for PXA255/26x; PXA210/250/27x do not have it. */
if (cpu_is_pxa25x())
@@ -320,9 +321,18 @@ static int __init pxa25x_init(void)
pxa25x_init_pm();
+ for (i = 0; i < ARRAY_SIZE(pxa25x_sysdev); i++) {
+ ret = sysdev_register(&pxa25x_sysdev[i]);
+ if (ret)
+ pr_err("failed to register sysdev[%d]\n", i);
+ }
+
ret = platform_add_devices(pxa25x_devices,
ARRAY_SIZE(pxa25x_devices));
+ if (ret)
+ return ret;
}
+
/* Only add HWUART for PXA255/26x; PXA210/250/27x do not have it. */
if (cpu_is_pxa25x())
ret = platform_device_register(&pxa_device_hwuart);
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