linux-kernel - [PATCH] nvme-pci: add NVME_QUIRK_DELAY_BEFORE_CHK

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Date:   Fri, 14 Jul 2023 21:13:33 +0800
From:   Han Gao <highenthalpyh@...il.com>
To:     kbusch@...nel.org, axboe@...nel.dk, hch@....de, sagi@...mberg.me
Cc:     linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Han Gao <highenthalpyh@...il.com>, David Xu <xuwd1@...mail.com>
Subject: [PATCH] nvme-pci: add NVME_QUIRK_DELAY_BEFORE_CHK_RDY for MAXIO MAP1602

4TB SSD with MAXIO MAP1602 controller is cannot by initialised
in nvme_enable_ctrl with a high probability, which causeds the system
to be unable to use SSD, and SSD device only be shown in lspci.

dmesg output of problem

----------
nvme nvme1: Device not ready; aborting initialisation, CSTS=0x0
----------

Problem and fix are verified with my MAP1602 controller SSD device.

Signed-off-by: Han Gao <highenthalpyh@...il.com>
Signed-off-by: David Xu <xuwd1@...mail.com>
---
 drivers/nvme/host/pci.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 492f319ebdf3..f75c27730bde 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -3425,7 +3425,8 @@ static const struct pci_device_id nvme_id_table[] = {
 	{ PCI_DEVICE(0x1e4B, 0x1202),   /* MAXIO MAP1202 */
 		.driver_data = NVME_QUIRK_BOGUS_NID, },
 	{ PCI_DEVICE(0x1e4B, 0x1602),   /* MAXIO MAP1602 */
-		.driver_data = NVME_QUIRK_BOGUS_NID, },
+		.driver_data = NVME_QUIRK_BOGUS_NID |
+				NVME_QUIRK_DELAY_BEFORE_CHK_RDY, },
 	{ PCI_DEVICE(0x1cc1, 0x5350),   /* ADATA XPG GAMMIX S50 */
 		.driver_data = NVME_QUIRK_BOGUS_NID, },
 	{ PCI_DEVICE(0x1dbe, 0x5236),   /* ADATA XPG GAMMIX S70 */
-- 
2.41.0