This is a note to let you know that I've just added the patch titled
nvme-pci: add quirk for delay before CHK RDY for WDC SN200
to the 4.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
nvme-pci-add-quirk-for-delay-before-chk-rdy-for-wdc-sn200.patch
and it can be found in the queue-4.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 8c97eeccf0ad8783c057830119467b877bdfced7 Mon Sep 17 00:00:00 2001
From: Jeff Lien <jeff.lien@xxxxxxx>
Date: Tue, 21 Nov 2017 10:44:37 -0600
Subject: nvme-pci: add quirk for delay before CHK RDY for WDC SN200
From: Jeff Lien <jeff.lien@xxxxxxx>
commit 8c97eeccf0ad8783c057830119467b877bdfced7 upstream.
And increase the existing delay to cover this device as well.
Signed-off-by: Jeff Lien <jeff.lien@xxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/nvme/host/nvme.h | 2 +-
drivers/nvme/host/pci.c | 2 ++
2 files changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -108,7 +108,7 @@ static inline struct nvme_request *nvme_
* NVME_QUIRK_DELAY_BEFORE_CHK_RDY quirk enabled. The value (in ms) was
* found empirically.
*/
-#define NVME_QUIRK_DELAY_AMOUNT 2000
+#define NVME_QUIRK_DELAY_AMOUNT 2300
enum nvme_ctrl_state {
NVME_CTRL_NEW,
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -2519,6 +2519,8 @@ static const struct pci_device_id nvme_i
.driver_data = NVME_QUIRK_IDENTIFY_CNS, },
{ PCI_DEVICE(0x1c58, 0x0003), /* HGST adapter */
.driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY, },
+ { PCI_DEVICE(0x1c58, 0x0023), /* WDC SN200 adapter */
+ .driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY, },
{ PCI_DEVICE(0x1c5f, 0x0540), /* Memblaze Pblaze4 adapter */
.driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY, },
{ PCI_DEVICE(0x144d, 0xa821), /* Samsung PM1725 */
Patches currently in stable-queue which might be from jeff.lien@xxxxxxx are
queue-4.14/nvme-pci-add-quirk-for-delay-before-chk-rdy-for-wdc-sn200.patch