linux-kernel - Re: [PATCH v2 08/11] scsi: ufs: exynos: enable write line unique transactions on gs101

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Message-ID: <8dfeb9bf-3326-4d04-8dfb-fea9dad85864@linaro.org>
Date: Wed, 30 Oct 2024 12:36:21 +0000
From: Tudor Ambarus <tudor.ambarus@...aro.org>
To: Peter Griffin <peter.griffin@...aro.org>
Cc: alim.akhtar@...sung.com, James.Bottomley@...senpartnership.com,
 martin.petersen@...cle.com, avri.altman@....com, bvanassche@....org,
 krzk@...nel.org, andre.draszik@...aro.org, kernel-team@...roid.com,
 willmcvicker@...gle.com, linux-scsi@...r.kernel.org,
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
 ebiggers@...nel.org
Subject: Re: [PATCH v2 08/11] scsi: ufs: exynos: enable write line unique
 transactions on gs101



On 10/30/24 11:32 AM, Peter Griffin wrote:
>>> Previously just AXIDMA_RWDATA_BURST_LEN[3:0] field was set to 8.
>> where was this set?
> It is set to 0xf in exynos_ufs_post_link() function, see the following line
> hci_writel(ufs, 0xf, HCI_AXIDMA_RWDATA_BURST_LEN);
> 
> As all other SoCs expect the current value, I've left that assignment
> in the common function, and we update it in the  gs101_ufs_post_link()
> specific hook.
> 
oh yes, as a driver quirk.
Reviewed-by: Tudor Ambarus <tudor.ambarus@...aro.org>