This is a note to let you know that I've just added the patch titled nvme-pci: avoid the deepest sleep state on ZHITAI TiPro5000 SSDs to the 5.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: nvme-pci-avoid-the-deepest-sleep-state-on-zhitai-tipro5000-ssds.patch and it can be found in the queue-5.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From d5d3c100ac40dcb03959a6f1d2f0f13204c4f145 Mon Sep 17 00:00:00 2001 From: Xi Ruoyao <xry111@xxxxxxxxxxx> Date: Wed, 28 Sep 2022 17:39:13 +0800 Subject: nvme-pci: avoid the deepest sleep state on ZHITAI TiPro5000 SSDs From: Xi Ruoyao <xry111@xxxxxxxxxxx> commit d5d3c100ac40dcb03959a6f1d2f0f13204c4f145 upstream. ZHITAI TiPro5000 SSDs has the same APST sleep problem as its cousin, TiPro7000. The quirk for TiPro7000 has been added in commit 6b961bce50e4 ("nvme-pci: avoid the deepest sleep state on ZHITAI TiPro7000 SSDs"), use the same quirk for TiPro5000. The ASPT data from "nvme id-ctrl /dev/nvme1": vid : 0x1e49 ssvid : 0x1e49 sn : ZTA21T0KA2227304LM mn : ZHITAI TiPlus5000 1TB fr : ZTA09139 [...] ps 0 : mp:6.50W operational enlat:0 exlat:0 rrt:0 rrl:0 rwt:0 rwl:0 idle_power:- active_power:- ps 1 : mp:5.80W operational enlat:0 exlat:0 rrt:1 rrl:1 rwt:1 rwl:1 idle_power:- active_power:- ps 2 : mp:3.60W operational enlat:0 exlat:0 rrt:2 rrl:2 rwt:2 rwl:2 idle_power:- active_power:- ps 3 : mp:0.0500W non-operational enlat:5000 exlat:10000 rrt:3 rrl:3 rwt:3 rwl:3 idle_power:- active_power:- ps 4 : mp:0.0025W non-operational enlat:8000 exlat:45000 rrt:4 rrl:4 rwt:4 rwl:4 idle_power:- active_power:- Reported-and-tested-by: Chang Feng <flukehn@xxxxxxxxx> Signed-off-by: Xi Ruoyao <xry111@xxxxxxxxxxx> Reviewed-by: Chaitanya Kulkarni <kch@xxxxxxxxxx> Signed-off-by: Christoph Hellwig <hch@xxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/nvme/host/pci.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -3390,6 +3390,8 @@ static const struct pci_device_id nvme_i .driver_data = NVME_QUIRK_BOGUS_NID, }, { PCI_DEVICE(0x1cc1, 0x5350), /* ADATA XPG GAMMIX S50 */ .driver_data = NVME_QUIRK_BOGUS_NID, }, + { PCI_DEVICE(0x1e49, 0x0021), /* ZHITAI TiPro5000 NVMe SSD */ + .driver_data = NVME_QUIRK_NO_DEEPEST_PS, }, { PCI_DEVICE(0x1e49, 0x0041), /* ZHITAI TiPro7000 NVMe SSD */ .driver_data = NVME_QUIRK_NO_DEEPEST_PS, }, { PCI_DEVICE(0xc0a9, 0x540a), /* Crucial P2 */ Patches currently in stable-queue which might be from xry111@xxxxxxxxxxx are queue-5.15/nvme-pci-avoid-the-deepest-sleep-state-on-zhitai-tipro5000-ssds.patch