From: Jian-Hong Pan <jian-hong@endlessm.com>
Date: Tue, 24 Sep 2019 09:42:41 +0000 (+0800)
Subject: nvme: Add quirk for Kingston NVME SSD running FW E8FK11.T
X-Git-Tag: v5.4-rc2~17^2~7^2~4
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=19ea025e1d28;p=linux.git

nvme: Add quirk for Kingston NVME SSD running FW E8FK11.T

Kingston NVME SSD with firmware version E8FK11.T has no interrupt after
resume with actions related to suspend to idle. This patch applied
NVME_QUIRK_SIMPLE_SUSPEND quirk to fix this issue.

Fixes: d916b1be94b6 ("nvme-pci: use host managed power state for suspend")
Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=204887
Signed-off-by: Jian-Hong Pan <jian-hong@endlessm.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
---

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index d3c9df62a9d5..adff57ea149e 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -2292,6 +2292,16 @@ static const struct nvme_core_quirk_entry core_quirks[] = {
 		.vid = 0x14a4,
 		.fr = "22301111",
 		.quirks = NVME_QUIRK_SIMPLE_SUSPEND,
+	},
+	{
+		/*
+		 * This Kingston E8FK11.T firmware version has no interrupt
+		 * after resume with actions related to suspend to idle
+		 * https://bugzilla.kernel.org/show_bug.cgi?id=204887
+		 */
+		.vid = 0x2646,
+		.fr = "E8FK11.T",
+		.quirks = NVME_QUIRK_SIMPLE_SUSPEND,
 	}
 };