linux-kernel - Re: [PATCH] ufs: qcom: Add quirks for Samsung UFS devices

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Message-ID: <e5c5ea82-2103-4616-8bcf-e21be5952f4c@acm.org>
Date: Wed, 26 Mar 2025 06:39:39 -0400
From: Bart Van Assche <bvanassche@....org>
To: MANISH PANDEY <quic_mapa@...cinc.com>,
 Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
 "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
 "Martin K. Petersen" <martin.petersen@...cle.com>
Cc: linux-arm-msm@...r.kernel.org, linux-scsi@...r.kernel.org,
 linux-kernel@...r.kernel.org, quic_nitirawa@...cinc.com,
 quic_bhaskarv@...cinc.com, quic_rampraka@...cinc.com, quic_cang@...cinc.com,
 quic_nguyenb@...cinc.com
Subject: Re: [PATCH] ufs: qcom: Add quirks for Samsung UFS devices

On 3/26/25 5:53 AM, MANISH PANDEY wrote:
> The QUIRK_PA_HIBER8TIME may also be necessary for other SoC vendors host 
> controllers. For instance, the ufs-exynos.c file implements a similar 
> approach in the fsd_ufs_post_link() function:
> 
> ufshcd_dme_set(hba, UIC_ARG_MIB(0x15A7), max_rx_hibern8_time_cap + 1);
> 
> https://lore.kernel.org/lkml/001101d874c1$3d850eb0$b88f2c10$@samsung.com/
> 
> Should we consider moving the QUIRK_PA_HIBER8TIME quirk to the ufshcd 
> driver? Please advise.

That would be appreciated.

Thanks,

Bart.