Re: [PATCH v2] gpio: mxc: release the parent IRQ in runtime suspend

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Aug 9, 2023 at 5:13 PM Shenwei Wang <shenwei.wang@xxxxxxx> wrote:
>
> Release the parent interrupt request during runtime suspend, allowing
> the parent interrupt controller to enter runtime suspend if there are
> no active users.
>
> This change may not have a visible impact if the parent controller is
> the GIC, but it can enable significant power savings for parent IRQ
> controllers like IRQSteer inside a subsystem on i.MX8 SoCs. Releasing
> the parent IRQ provides an opportunity for the subsystem to enter suspend
> states if there are no active users.

Assumed that this change has been tested (esp. when an IRQ is wakeup
source), I'm fine with it,
Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>

-- 
With Best Regards,
Andy Shevchenko




[Index of Archives]     [Linux SPI]     [Linux Kernel]     [Linux ARM (vger)]     [Linux ARM MSM]     [Linux Omap]     [Linux Arm]     [Linux Tegra]     [Fedora ARM]     [Linux for Samsung SOC]     [eCos]     [Linux Fastboot]     [Gcc Help]     [Git]     [DCCP]     [IETF Announce]     [Security]     [Linux MIPS]     [Yosemite Campsites]

  Powered by Linux