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[PATCHv6,10/11] TEMP: OMAP3: pm: disable / enable PRCM chain interrupts during wakeup from suspend

Message ID 1311611771-15093-11-git-send-email-t-kristo@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

Tero Kristo July 25, 2011, 4:36 p.m. UTC
This prevents system hang while attempting to access suspended console. Should
most likely be fixed with proper console locking.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
---
 arch/arm/mach-omap2/pm34xx.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
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Patch

diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index b9b5128..b071857 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -506,6 +506,8 @@  static int omap3_pm_begin(suspend_state_t state)
 	disable_hlt();
 	suspend_state = state;
 	omap_uart_enable_irqs(0);
+	disable_irq(prcm_io_irq);
+	disable_irq(prcm_wkup_irq);
 	return 0;
 }
 
@@ -514,6 +516,8 @@  static void omap3_pm_end(void)
 	suspend_state = PM_SUSPEND_ON;
 	omap_uart_enable_irqs(1);
 	enable_hlt();
+	enable_irq(prcm_io_irq);
+	enable_irq(prcm_wkup_irq);
 	return;
 }