Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rric/oprofile

[linux-2.6-omap-h63xx.git] / arch / arm / mach-pxa / pxa27x.c

diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index c33cf6ac8c81fdd6c2416bdd54608b339ab6e9f0..3e4ab2279c99b31c0a9b1c009d55543dc4a93fff 100644 (file)
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -34,6 +34,13 @@
 #include "devices.h"
 #include "clock.h"
 
+void pxa27x_clear_otgph(void)
+{
+       if (cpu_is_pxa27x() && (PSSR & PSSR_OTGPH))
+               PSSR |= PSSR_OTGPH;
+}
+EXPORT_SYMBOL(pxa27x_clear_otgph);
+
 /* Crystal clock: 13MHz */
 #define BASE_CLK       13000000
 
@@ -183,36 +190,18 @@ static struct clk pxa27x_clks[] = {
  * More ones like CP and general purpose register values are preserved
  * with the stack pointer in sleep.S.
  */
-enum { SLEEP_SAVE_PGSR0, SLEEP_SAVE_PGSR1, SLEEP_SAVE_PGSR2, SLEEP_SAVE_PGSR3,
-
-       SLEEP_SAVE_GAFR0_L, SLEEP_SAVE_GAFR0_U,
-       SLEEP_SAVE_GAFR1_L, SLEEP_SAVE_GAFR1_U,
-       SLEEP_SAVE_GAFR2_L, SLEEP_SAVE_GAFR2_U,
-       SLEEP_SAVE_GAFR3_L, SLEEP_SAVE_GAFR3_U,
-
+enum {
        SLEEP_SAVE_PSTR,
-
        SLEEP_SAVE_CKEN,
-
        SLEEP_SAVE_MDREFR,
-       SLEEP_SAVE_PWER, SLEEP_SAVE_PCFR, SLEEP_SAVE_PRER,
-       SLEEP_SAVE_PFER, SLEEP_SAVE_PKWR,
-
+       SLEEP_SAVE_PCFR,
        SLEEP_SAVE_COUNT
 };
 
 void pxa27x_cpu_pm_save(unsigned long *sleep_save)
 {
-       SAVE(PGSR0); SAVE(PGSR1); SAVE(PGSR2); SAVE(PGSR3);
-
-       SAVE(GAFR0_L); SAVE(GAFR0_U);
-       SAVE(GAFR1_L); SAVE(GAFR1_U);
-       SAVE(GAFR2_L); SAVE(GAFR2_U);
-       SAVE(GAFR3_L); SAVE(GAFR3_U);
-
        SAVE(MDREFR);
-       SAVE(PWER); SAVE(PCFR); SAVE(PRER);
-       SAVE(PFER); SAVE(PKWR);
+       SAVE(PCFR);
 
        SAVE(CKEN);
        SAVE(PSTR);
@@ -220,24 +209,12 @@ void pxa27x_cpu_pm_save(unsigned long *sleep_save)
 
 void pxa27x_cpu_pm_restore(unsigned long *sleep_save)
 {
-       /* ensure not to come back here if it wasn't intended */
-       PSPR = 0;
-
-       /* restore registers */
-       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(PGSR0); RESTORE(PGSR1); RESTORE(PGSR2); RESTORE(PGSR3);
-
        RESTORE(MDREFR);
-       RESTORE(PWER); RESTORE(PCFR); RESTORE(PRER);
-       RESTORE(PFER); RESTORE(PKWR);
+       RESTORE(PCFR);
 
        PSSR = PSSR_RDH | PSSR_PH;
 
        RESTORE(CKEN);
-
        RESTORE(PSTR);
 }
 
@@ -259,8 +236,6 @@ void pxa27x_cpu_pm_enter(suspend_state_t state)
                pxa_cpu_standby();
                break;
        case PM_SUSPEND_MEM:
-               /* set resume return address */
-               PSPR = virt_to_phys(pxa_cpu_resume);
                pxa27x_cpu_suspend(PWRMODE_SLEEP);
                break;
        }
@@ -271,12 +246,27 @@ static int pxa27x_cpu_pm_valid(suspend_state_t state)
        return state == PM_SUSPEND_MEM || state == PM_SUSPEND_STANDBY;
 }
 
+static int pxa27x_cpu_pm_prepare(void)
+{
+       /* set resume return address */
+       PSPR = virt_to_phys(pxa_cpu_resume);
+       return 0;
+}
+
+static void pxa27x_cpu_pm_finish(void)
+{
+       /* ensure not to come back here if it wasn't intended */
+       PSPR = 0;
+}
+
 static struct pxa_cpu_pm_fns pxa27x_cpu_pm_fns = {
        .save_count     = SLEEP_SAVE_COUNT,
        .save           = pxa27x_cpu_pm_save,
        .restore        = pxa27x_cpu_pm_restore,
        .valid          = pxa27x_cpu_pm_valid,
        .enter          = pxa27x_cpu_pm_enter,
+       .prepare        = pxa27x_cpu_pm_prepare,
+       .finish         = pxa27x_cpu_pm_finish,
 };
 
 static void __init pxa27x_init_pm(void)
@@ -375,6 +365,8 @@ static struct platform_device *devices[] __initdata = {
 static struct sys_device pxa27x_sysdev[] = {
        {
                .cls    = &pxa_irq_sysclass,
+       }, {
+               .cls    = &pxa2xx_mfp_sysclass,
        }, {
                .cls    = &pxa_gpio_sysclass,
        },