* [PATCH] nvme: Add quirk for Samsung NVME SSD NM 'SAMSUNG MZALQ128HBHQ-000L2'
@ 2019-12-09 12:27 wuxy
0 siblings, 0 replies; only message in thread
From: wuxy @ 2019-12-09 12:27 UTC (permalink / raw)
To: akpm; +Cc: linux-mm, wuxy
From: wuxy <wuxy@bitland.corp-partner.google.com>
Samsung SSD with model number:SAMSUNG MZALQ128HBHQ-000L2 has no response
after resume with actions relasted to suspend to idle.This patch applied
NVME_QUIRK_SIMPLE_SUSPEND quirk to fix this issue.
BugLink: https://partnerissuetracker.corp.google.com/u/2/issues/144257635
Signed-off-by: wuxy <wuxy@bitland.corp-partner.google.com>
---
drivers/nvme/host/core.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index dfe37a525f3a..a82d664d79f2 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -2412,7 +2412,17 @@ static const struct nvme_core_quirk_entry core_quirks[] = {
.vid = 0x14a4,
.fr = "22301111",
.quirks = NVME_QUIRK_SIMPLE_SUSPEND,
- }
+ },
+ {
+ /*
+ * This Samsung NVME SSD encountered no repsonse issue when
+ * running suspend to idle test.
+ * Samsung has resolved the problem in future firmware
+ */
+ .vid = 0x144d,
+ .mn = "SAMSUNG MZALQ128HBHQ-000L2",
+ .quirks = NVME_QUIRK_SIMPLE_SUSPEND,
+ },
};
/* match is null-terminated but idstr is space-padded. */
--
2.17.1
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2019-12-09 12:27 [PATCH] nvme: Add quirk for Samsung NVME SSD NM 'SAMSUNG MZALQ128HBHQ-000L2' wuxy
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