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Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.31/002-s3c-pm.patch')
-rw-r--r--target/linux/s3c24xx/patches-2.6.31/002-s3c-pm.patch72
1 files changed, 0 insertions, 72 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.31/002-s3c-pm.patch b/target/linux/s3c24xx/patches-2.6.31/002-s3c-pm.patch
deleted file mode 100644
index 793535c9b1..0000000000
--- a/target/linux/s3c24xx/patches-2.6.31/002-s3c-pm.patch
+++ /dev/null
@@ -1,72 +0,0 @@
-diff --git a/arch/arm/plat-s3c/pm.c b/arch/arm/plat-s3c/pm.c
-index 8d97db2..a7667d5 100644
---- a/arch/arm/plat-s3c/pm.c
-+++ b/arch/arm/plat-s3c/pm.c
-@@ -301,11 +301,14 @@ static int s3c_pm_enter(suspend_state_t state)
-
- s3c_pm_arch_stop_clocks();
-
-- /* s3c_cpu_save will also act as our return point from when
-- * we resume as it saves its own register state and restores it
-- * during the resume. */
-+ /* s3c2410_cpu_save will also act as our return point from when
-+ * we resume as it saves its own register state, so use the return
-+ * code to differentiate return from save and return from sleep */
-
-- s3c_cpu_save(regs_save);
-+ if (s3c_cpu_save(regs_save) == 0) {
-+ flush_cache_all();
-+ pm_cpu_sleep();
-+ }
-
- /* restore the cpu state using the kernel's cpu init code. */
-
-diff --git a/arch/arm/plat-s3c24xx/irq-pm.c b/arch/arm/plat-s3c24xx/irq-pm.c
-index b7acf1a..925514e 100644
---- a/arch/arm/plat-s3c24xx/irq-pm.c
-+++ b/arch/arm/plat-s3c24xx/irq-pm.c
-@@ -15,6 +15,7 @@
- #include <linux/module.h>
- #include <linux/interrupt.h>
- #include <linux/sysdev.h>
-+#include <linux/irq.h>
-
- #include <plat/cpu.h>
- #include <plat/pm.h>
-@@ -80,7 +81,9 @@ int s3c24xx_irq_suspend(struct sys_device *dev, pm_message_t state)
-
- int s3c24xx_irq_resume(struct sys_device *dev)
- {
-- unsigned int i;
-+ unsigned int i, irq;
-+ unsigned long eintpnd;
-+ struct irq_desc *desc;
-
- for (i = 0; i < ARRAY_SIZE(save_extint); i++)
- __raw_writel(save_extint[i], S3C24XX_EXTINT0 + (i*4));
-@@ -91,5 +94,25 @@ int s3c24xx_irq_resume(struct sys_device *dev)
- s3c_pm_do_restore(irq_save, ARRAY_SIZE(irq_save));
- __raw_writel(save_eintmask, S3C24XX_EINTMASK);
-
-+ /*
-+ * ACK those interrupts which are now masked and pending.
-+ * Level interrupts if not ACKed here, create an interrupt storm
-+ * because they are not handled at all.
-+ */
-+
-+ eintpnd = __raw_readl(S3C24XX_EINTPEND);
-+
-+ eintpnd &= save_eintmask;
-+ eintpnd &= ~0xff; /* ignore lower irqs */
-+
-+ while (eintpnd) {
-+ irq = __ffs(eintpnd);
-+ eintpnd &= ~(1 << irq);
-+
-+ irq += (IRQ_EINT4 - 4);
-+ desc = irq_to_desc(irq);
-+ desc->chip->ack(irq);
-+ }
-+
- return 0;
- }