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

[hardaway.tseng at sk.com]

Hi Keith, Jim and team,

Thanks for efforts!

This is Hardaway from SK hynix, this software change has been tested and verified by ODM Compal, the testing result is pass, therefore, we would like to apply this update.

Thank you so much!


Thanks & Regards,
Hardaway.


Hardaway Tseng/ Sr. Manager | SN-FAQE | SK hynix Semiconductor Taiwan
Address: 10F. No. 308, Zhifu Rd., Zhongshan Dist., Taipei City 10466, Taiwan
Office : +886-2-3518-2313/ Fax: +886-2-3518-2366/ Mobile: +886-919-803-458
Email: hardaway.tseng at sk.com

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-----Original Message-----
From: Jim Lin 林志融 <jim.lin at siliconmotion.com> 
Sent: Tuesday, November 28, 2023 11:03 AM
To: Jim.Lin <jim.chihjung.lin at gmail.com>; kbusch at kernel.org
Cc: axboe at kernel.dk; hch at lst.de; sagi at grimberg.me; linux-nvme at lists.infradead.org; linux-kernel at vger.kernel.org; CJ Chen 陳群傑 <cj.chen at siliconmotion.com>; David Yeh 葉寰融 <david.yeh at siliconmotion.com>; Hardaway (Shih Hung) Tseng SKHYT <hardaway.tseng at sk.com>
Subject: RE: [PATCH] nvme-pci: disable write zeroes for SK Hynix BC901

Hi Keith Busch

Thanks for your reply.
Changelog updated

Hi David, Hardaway

Please help to check this issue. Thanks.

Thx
BRs
Jim

--------------------------------------------------------------------------------------------------------------------------------------------------------
On Thu, Nov 23, 2023 at 06:06:42PM +0800, Jim.Lin wrote:
> SK Hynix BC901 drive write zero will cause Chromebook takes more than
> 20 mins to switch to developer mode "disable wrtie zero" can fix this issue and Sk Hynix has been verified.
>
> Signed-off-by: Jim.Lin <jim.lin at siliconmotion.com>

For the changelog, let's abbreviate the subject to something like:

  "nvme-pci: disable write zeroes for SK Hynix BC901"

> @@ -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, },

Could we get an "Ack" from the vendor?
------------------------------------------------------------------------------------------------------------------------------------------------------------

-----Original Message-----
From: Jim.Lin <jim.chihjung.lin at gmail.com>
Sent: Tuesday, November 28, 2023 10:58 AM
To: kbusch at kernel.org
Cc: axboe at kernel.dk; hch at lst.de; sagi at grimberg.me; linux-nvme at lists.infradead.org; linux-kernel at vger.kernel.org; Jim Lin 林志融 <jim.lin at siliconmotion.com>; CJ Chen 陳群傑 <cj.chen at siliconmotion.com>; David Yeh 葉寰融 <david.yeh at siliconmotion.com>; hardaway.tseng at sk.com
Subject: [PATCH] nvme-pci: disable write zeroes for SK Hynix BC901

Please note that this email was sent from outside of SMI.

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 at siliconmotion.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

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