Paul, > -----Original Message----- > From: [email protected] [mailto:linux-omap- > [email protected]] On Behalf Of Paul Walmsley > Sent: Thursday, December 02, 2010 1:44 PM > To: [email protected]; Govindraj > Cc: [email protected] > Subject: Re: Unbalanced IRQ wake disable during resume from static suspend > > On Thu, 2 Dec 2010, Paul Walmsley wrote: > > > On current linux-omap master (commit > > 7fd1cffc56ca9944fec583eb2ecda5ce88b36bff "Linux-omap rebuilt: Updated to > > -rc4"), when resuming from static suspend, several "Unbalanced IRQ > > wake disable" warnings are generated, one for each of the serial ports. > > This is on Beagle 35xx rev C2. > > Just to follow up on this, these messages are not logged when > /sys/devices/platform/omap/omap-hsuart.*/tty/ttyO*/power/wakeup are set to > 'disabled'. > > Also this is with omap2plus_defconfig. > Just a wild guess here but is this because the 'set_wake' is not setup and then fw might be returning some error whenever driver invoke this API as part of enable_irq_wake() callback
If that being the case, below patch might might help. Can somebody try this out ? Regards, Santosh omap: irq: Dummy handler for enable_irq_wake Signed-off-by: Santosh Shilimkar <[email protected]> --- arch/arm/mach-omap2/irq.c | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c index 32eeabe..6a964d3 100644 --- a/arch/arm/mach-omap2/irq.c +++ b/arch/arm/mach-omap2/irq.c @@ -143,11 +143,21 @@ static void omap_mask_ack_irq(unsigned int irq) omap_ack_irq(irq); } +#ifdef CONFIG_PM +static int omap_set_wake(unsigned int irq, unsigned int on) +{ + return 0; +} +#else +#define omap_set_wake NULL +#endif + static struct irq_chip omap_irq_chip = { .name = "INTC", .ack = omap_mask_ack_irq, .mask = omap_mask_irq, .unmask = omap_unmask_irq, + .set_wake = omap_set_wake, }; static void __init omap_irq_bank_init_one(struct omap_irq_bank *bank) -- 1.6.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
