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From:   Jian-Hong Pan <jian-hong@endlessm.com>
To:     Keith Busch <kbusch@kernel.org>, Jens Axboe <axboe@fb.com>,
        Christoph Hellwig <hch@lst.de>,
        Sagi Grimberg <sagi@grimberg.me>
Cc:     linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux@endlessm.com, Jian-Hong Pan <jian-hong@endlessm.com>
Subject: [PATCH] nvme: Add quirk for Kingston NVME SSD running FW E8FK11.T
Date:   Tue, 24 Sep 2019 17:42:41 +0800
Message-Id: <20190924094240.5975-1-jian-hong@endlessm.com>
MIME-Version: 1.0
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Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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>
---
 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