From: Tero Kristo <[email protected]> Suspending drivers may still generate interrupts just before their suspend is completed. Any pending interrupts here will prevent sleep.
Signed-off-by: Tero Kristo <[email protected]> Signed-off-by: Kevin Hilman <[email protected]> arch/arm/mach-omap2/irq.c | 6 ++++++ arch/arm/mach-omap2/pm34xx.c | 2 ++ arch/arm/plat-omap/include/plat/irqs.h | 1 + 3 files changed, 9 insertions(+), 0 deletions(-) --- http://git.linuxtv.org/v4l-dvb.git?a=commitdiff;h=2bbe3af3f1e1c1d0992c984e05d061ef5469edb4 diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c index e9bc782..54c5f0d 100644 --- a/arch/arm/mach-omap2/irq.c +++ b/arch/arm/mach-omap2/irq.c @@ -274,4 +274,10 @@ void omap_intc_restore_context(void) } /* MIRs are saved and restore with other PRCM registers */ } + +void omap3_intc_suspend(void) +{ + /* A pending interrupt would prevent OMAP from entering suspend */ + omap_ack_irq(0); +} #endif /* CONFIG_ARCH_OMAP3 */ diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index c6cc809..b26418d 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -578,6 +578,8 @@ static int omap3_pm_suspend(void) } omap_uart_prepare_suspend(); + omap3_intc_suspend(); + omap_sram_idle(); restore: diff --git a/arch/arm/plat-omap/include/plat/irqs.h b/arch/arm/plat-omap/include/plat/irqs.h index 97d6c50..0082036 100644 --- a/arch/arm/plat-omap/include/plat/irqs.h +++ b/arch/arm/plat-omap/include/plat/irqs.h @@ -499,6 +499,7 @@ extern void omap_init_irq(void); extern int omap_irq_pending(void); void omap_intc_save_context(void); void omap_intc_restore_context(void); +void omap3_intc_suspend(void); #endif #include <mach/hardware.h> _______________________________________________ linuxtv-commits mailing list [email protected] http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
