linux-kernel - [PATCH] nvme: Add quirk for Kingston NVME SSD running FW E8FK11.T

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Date:   Tue, 24 Sep 2019 17:42:41 +0800
From:   Jian-Hong Pan <jian-hong@...lessm.com>
To:     Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...com>,
        Christoph Hellwig <hch@....de>,
        Sagi Grimberg <sagi@...mberg.me>
Cc:     linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux@...lessm.com, Jian-Hong Pan <jian-hong@...lessm.com>
Subject: [PATCH] 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@...lessm.com>
---
 drivers/nvme/host/core.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 1ede1763a5ee..84fe3c4059a2 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -2298,6 +2298,16 @@ 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,
 	}
 };
 
-- 
2.20.1