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| author | Sekhar Nori <nsekhar@ti.com> | 2009-11-16 17:21:30 +0530 |
|---|---|---|
| committer | Kevin Hilman <khilman@deeprootsystems.com> | 2010-01-06 08:57:44 -0800 |
| commit | 2d3f595016f982294c1669ee87aa91179d88502b (patch) | |
| tree | c3cc878c31abc541c27146d271abe24c8d0d9f55 /arch/arm/mach-davinci | |
| parent | 077639f443294a25b16e4040ca06a1611700a4ae (diff) | |
| download | linux-3.10-2d3f595016f982294c1669ee87aa91179d88502b.tar.gz linux-3.10-2d3f595016f982294c1669ee87aa91179d88502b.tar.bz2 linux-3.10-2d3f595016f982294c1669ee87aa91179d88502b.zip | |
davinci: cp_intc: provide set_wake function
There is nothing special to be done for interrupts
which can wakeup the device from sleep on CP-INTC,
but not having a set_wake implemented prevents use
of common drivers which expect this function to be
implemented for all wakeup interrupt sources.
This patch fixes the issue encountered when using the
omap-rtc driver on DA850. On DA850 the RTC alarm
interrupt is used to wake up the SoC from deep sleep
mode. Without this patch, the disable_irq_wake throws
an unbalanced wake disable warning while resuming
because the previous enable call fails for lack of
set_wake implementation.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Diffstat (limited to 'arch/arm/mach-davinci')
| -rw-r--r-- | arch/arm/mach-davinci/cp_intc.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/cp_intc.c b/arch/arm/mach-davinci/cp_intc.c index 52b287cf3a4..37311d1830e 100644 --- a/arch/arm/mach-davinci/cp_intc.c +++ b/arch/arm/mach-davinci/cp_intc.c @@ -81,12 +81,23 @@ static int cp_intc_set_irq_type(unsigned int irq, unsigned int flow_type) return 0; } +/* + * Faking this allows us to to work with suspend functions of + * generic drivers which call {enable|disable}_irq_wake for + * wake up interrupt sources (eg RTC on DA850). + */ +static int cp_intc_set_wake(unsigned int irq, unsigned int on) +{ + return 0; +} + static struct irq_chip cp_intc_irq_chip = { .name = "cp_intc", .ack = cp_intc_ack_irq, .mask = cp_intc_mask_irq, .unmask = cp_intc_unmask_irq, .set_type = cp_intc_set_irq_type, + .set_wake = cp_intc_set_wake, }; void __init cp_intc_init(void __iomem *base, unsigned short num_irq, |