Patch "nvme-pci: avoid the deepest sleep state on ZHITAI TiPro5000 SSDs" has been added to the 5.15-stable tree

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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



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