[PATCH v2 2/2] nvme: Quirk APST off on "THNSF5256GPUK TOSHIBA"

From: Andy Lutomirski
Date: Thu Apr 20 2017 - 12:11:35 EST


There's a report that it malfunctions with APST on.

See https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1678184

Cc: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx>
Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx>
---
drivers/nvme/host/core.c | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index d618b20ce6c6..1fbcdcdada78 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1395,6 +1395,15 @@ struct nvme_core_quirk_entry {
};

static const struct nvme_core_quirk_entry core_quirks[] = {
+ {
+ /*
+ * This Toshiba device seems to die using any APST states. See:
+ * https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1678184/comments/11
+ */
+ .vid = 0x1179,
+ .mn = "THNSF5256GPUK TOSHIBA",
+ .quirks = NVME_QUIRK_NO_APST,
+ }
};

/* match is null-terminated but idstr is space-padded. */
--
2.9.3