RE: [PATCH] mailbox: imx: keep MU irq working during suspend/resume

.kernel.org; linux-arm-ker...@lists.infradead.org > Cc: dl-linux-imx > Subject: [PATCH] mailbox: imx: keep MU irq working during suspend/resume > > During noirq suspend phase, mailbox MU irq will be masked but many > drivers still need to communicate with system controller

[PATCH] mailbox: imx: keep MU irq working during suspend/resume

During noirq suspend phase, mailbox MU irq will be masked but many drivers still need to communicate with system controller firmware via mailbox, if MU irq is masked, it will cause RPC timeout as below: [ 23.372103] imx-scu scu: RPC send msg timeout Setting MU irq to be wakeup source is NOT