Gentle ping...
> Subject: [PATCH 1/2] firmware: imx: make sure MU irq can wake up system > from suspend mode > > IRQF_NO_SUSPEND flag is set for MU IRQ of IPC work, but with this flag set, > IRQD_WAKEUP_ARMED flag will NOT be set during > suspend_device_irq() phase, then when MU IRQ arrives, it will NOT wake up > system from suspend. > > To fix this issue, pm_system_wakeup() is called in general MU IRQ handler to > make sure system can be waked up when MU IRQ arrives. > > Signed-off-by: Anson Huang <[email protected]> > --- > drivers/firmware/imx/imx-scu-irq.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/firmware/imx/imx-scu-irq.c > b/drivers/firmware/imx/imx-scu-irq.c > index db655e8..d9dcc20 100644 > --- a/drivers/firmware/imx/imx-scu-irq.c > +++ b/drivers/firmware/imx/imx-scu-irq.c > @@ -10,6 +10,7 @@ > #include <linux/firmware/imx/ipc.h> > #include <linux/firmware/imx/sci.h> > #include <linux/mailbox_client.h> > +#include <linux/suspend.h> > > #define IMX_SC_IRQ_FUNC_ENABLE 1 > #define IMX_SC_IRQ_FUNC_STATUS 2 > @@ -91,6 +92,7 @@ static void imx_scu_irq_work_handler(struct work_struct > *work) > if (!irq_status) > continue; > > + pm_system_wakeup(); > imx_scu_irq_notifier_call_chain(irq_status, &i); > } > } > -- > 2.7.4
