[PATCH] nvme: put some AMD PCIE downstream NVME device to simple suspend/resume path

[Liang, Prike]

[AMD Public Use]

Thanks reminder and will update the patch v2.

> -----Original Message-----
> From: Chaitanya Kulkarni <Chaitanya.Kulkarni at wdc.com>
> Sent: Wednesday, March 31, 2021 7:32 AM
> To: Liang, Prike <Prike.Liang at amd.com>; linux-nvme at lists.infradead.org;
> kbusch at kernel.org; axboe at fb.com; hch at lst.de; sagi at grimberg.me
> Cc: Deucher, Alexander <Alexander.Deucher at amd.com>; S-k, Shyam-sundar
> <Shyam-sundar.S-k at amd.com>
> Subject: Re: [PATCH] nvme: put some AMD PCIE downstream NVME device to
> simple suspend/resume path
>
> On 3/30/21 06:08, Prike Liang wrote:
> > The NVME device pluged in some AMD PCIE root port will resume timeout
> > from s2idle which caused by NVME power CFG lost in the SMU FW
> > restore.This issue can be workaround by using PCIe power set with
> > simple suspend/resume process path. In the onwards ASIC will try do the
> NVME shutdown save and restore in the SMU FW instead of PCIe power set
> in the driver.
> >
> > Signed-off-by: Prike Liang <Prike.Liang at amd.com>
> > ---
>
> Did you get a chance to run checkpatch.pl on this patch ?