Re: [PATCH v7 2/3] net: qrtr: support suspend/hibernation

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

 



Baochen Qiang <quic_bqiang@xxxxxxxxxxx> wrote:

> MHI devices may not be destroyed during suspend/hibernation, so need
> to unprepare/prepare MHI channels throughout the transition, this is
> done by adding suspend/resume callbacks.
> 
> The suspend callback is called in the late suspend stage, this means
> MHI channels are still alive at suspend stage, and that makes it
> possible for an MHI controller driver to communicate with others over
> those channels at suspend stage. While the resume callback is called
> in the early resume stage, for a similar reason.
> 
> Also note that we won't do unprepare/prepare when MHI device is in
> suspend state because it's pointless if MHI is only meant to go through
> a suspend/resume transition, instead of a complete power cycle.
> 
> Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.30
> 
> Signed-off-by: Baochen Qiang <quic_bqiang@xxxxxxxxxxx>
> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> Reviewed-by: Jeff Johnson <quic_jjohnson@xxxxxxxxxxx>
> Signed-off-by: Kalle Valo <quic_kvalo@xxxxxxxxxxx>

2 patches applied to ath-next branch of ath.git, thanks.

e0cd1185900e net: qrtr: support suspend/hibernation
166a490f59ac wifi: ath11k: support hibernation

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20240305021320.3367-3-quic_bqiang@xxxxxxxxxxx/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches





[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [Linux for Sparc]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux