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| author | WangYuli <wangyuli@uniontech.com> | 2024-07-15 17:31:44 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-08-19 05:33:54 +0200 |
| commit | dc1d852277d34fcbf4462cf5b8b64b991cfa7cf0 (patch) | |
| tree | d10e00ff41912a0adfae1ce907a57056cdf75e11 | |
| parent | 368f6985d46657b8b466a421dddcacd4051f7ada (diff) | |
| download | linux-stable-dc1d852277d34fcbf4462cf5b8b64b991cfa7cf0.tar.gz linux-stable-dc1d852277d34fcbf4462cf5b8b64b991cfa7cf0.tar.bz2 linux-stable-dc1d852277d34fcbf4462cf5b8b64b991cfa7cf0.zip | |
nvme/pci: Add APST quirk for Lenovo N60z laptop
commit ab091ec536cb7b271983c0c063b17f62f3591583 upstream.
There is a hardware power-saving problem with the Lenovo N60z
board. When turn it on and leave it for 10 hours, there is a
20% chance that a nvme disk will not wake up until reboot.
Link: https://lore.kernel.org/all/2B5581C46AC6E335+9c7a81f1-05fb-4fd0-9fbb-108757c21628@uniontech.com
Signed-off-by: hmy <huanglin@uniontech.com>
Signed-off-by: Wentao Guan <guanwentao@uniontech.com>
Signed-off-by: WangYuli <wangyuli@uniontech.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/nvme/host/pci.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 1a6a628bb6f9..20f5616fd518 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -2822,6 +2822,13 @@ static unsigned long check_vendor_combination_bug(struct pci_dev *pdev) return NVME_QUIRK_SIMPLE_SUSPEND; } + /* + * NVMe SSD drops off the PCIe bus after system idle + * for 10 hours on a Lenovo N60z board. + */ + if (dmi_match(DMI_BOARD_NAME, "LXKT-ZXEG-N6")) + return NVME_QUIRK_NO_APST; + return 0; } |