linux-kernel - [PATCH] nvme-pci: disable write zeroes for SK Hynix BC901

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Message-Id: <20231128025737.53026-1-jim.lin@siliconmotion.com>
Date:   Tue, 28 Nov 2023 10:57:37 +0800
From:   "Jim.Lin" <jim.chihjung.lin@...il.com>
To:     kbusch@...nel.org
Cc:     axboe@...nel.dk, hch@....de, sagi@...mberg.me,
        linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org,
        jim.lin@...iconmotion.com, cj.chen@...iconmotion.com,
        david.yeh@...iconmotion.com, hardaway.tseng@...com
Subject: [PATCH] nvme-pci: disable write zeroes for SK Hynix BC901

SK Hynix BC901 drive write zero will cause Chromebook takes more than 20 mins to switch to developer mode
"disable write zeroes" can fix this issue and Sk Hynix has been verified.

Signed-off-by: Jim.Lin <jim.lin@...iconmotion.com>
---
 drivers/nvme/host/pci.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 507bc149046d..f27202680741 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -3394,6 +3394,8 @@ static const struct pci_device_id nvme_id_table[] = {
 		.driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, },
 	{ PCI_DEVICE(0x1c5c, 0x174a),   /* SK Hynix P31 SSD */
 		.driver_data = NVME_QUIRK_BOGUS_NID, },
+	{ PCI_DEVICE(0x1c5c, 0x1D59),   /* SK Hynix BC901 */
+		.driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, },
 	{ PCI_DEVICE(0x15b7, 0x2001),   /*  Sandisk Skyhawk */
 		.driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, },
 	{ PCI_DEVICE(0x1d97, 0x2263),   /* SPCC */
-- 
2.25.1