> -----Original Message----- > From: Sasha Levin <sashal@xxxxxxxxxx> > Sent: Thursday, November 25, 2021 20:32 > To: linux-kernel@xxxxxxxxxxxxxxx; stable@xxxxxxxxxxxxxxx > Cc: Limonciello, Mario <Mario.Limonciello@xxxxxxx>; Shah, Nehal- > bakulchandra <Nehal-bakulchandra.Shah@xxxxxxx>; Damien Le Moal > <damien.lemoal@xxxxxxxxxxxxxxxxxx>; Sasha Levin <sashal@xxxxxxxxxx>; > linux-ide@xxxxxxxxxxxxxxx > Subject: [PATCH AUTOSEL 5.15 27/39] ata: ahci: Add Green Sardine vendor ID > as board_ahci_mobile > > From: Mario Limonciello <mario.limonciello@xxxxxxx> > > [ Upstream commit 1527f69204fe35f341cb599f1cb01bd02daf4374 ] > > AMD requires that the SATA controller be configured for devsleep in order > for S0i3 entry to work properly. > > commit b1a9585cc396 ("ata: ahci: Enable DEVSLP by default on x86 with > SLP_S0") sets up a kernel policy to enable devsleep on Intel mobile > platforms that are using s0ix. Add the PCI ID for the SATA controller in > Green Sardine platforms to extend this policy by default for AMD based > systems using s0i3 as well. > > Cc: Nehal-bakulchandra Shah <Nehal-bakulchandra.Shah@xxxxxxx> > BugLink: > https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbugz > illa.kernel.org%2Fshow_bug.cgi%3Fid%3D214091&data=04%7C01%7Cm > ario.limonciello%40amd.com%7C2f6ff36f5cec496bfa3608d9b0850ebb%7C3dd > 8961fe4884e608e11a82d994e183d%7C0%7C0%7C637734907817024215%7CUn > known%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6 > Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=6eKGOqpi4UfLNb4Q4mmb > qaMxxoB5wP3A9BSIXiBTRAk%3D&reserved=0 > Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx> > Signed-off-by: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx> > Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> > --- > drivers/ata/ahci.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c > index 186cbf90c8ead..812731e80f8e0 100644 > --- a/drivers/ata/ahci.c > +++ b/drivers/ata/ahci.c > @@ -442,6 +442,7 @@ static const struct pci_device_id ahci_pci_tbl[] = { > /* AMD */ > { PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */ > { PCI_VDEVICE(AMD, 0x7900), board_ahci }, /* AMD CZ */ > + { PCI_VDEVICE(AMD, 0x7901), board_ahci_mobile }, /* AMD Green > Sardine */ > /* AMD is using RAID class only for ahci controllers */ > { PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, > PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci }, > -- > 2.33.0 Sasha, No concerns for me to 5.15 or any of the earlier kernels the autosel picked, but would you mind also sending this to 5.14.y too? Thanks,