linux-kernel - Re: [PATCH 16/17] scsi: ufs: host: ufs-exynos: Add support for Tensor gs101 SoC

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Message-ID: <ZhWmt2n-Njkzf6Rk@google.com>
Date: Tue, 9 Apr 2024 13:36:07 -0700
From: William McVicker <willmcvicker@...gle.com>
To: Peter Griffin <peter.griffin@...aro.org>
Cc: mturquette@...libre.com, sboyd@...nel.org, robh@...nel.org,
	krzk+dt@...nel.org, conor+dt@...nel.org, vkoul@...nel.org,
	kishon@...nel.org, alim.akhtar@...sung.com, avri.altman@....com,
	bvanassche@....org, s.nawrocki@...sung.com, cw00.choi@...sung.com,
	jejb@...ux.ibm.com, martin.petersen@...cle.com,
	chanho61.park@...sung.com, ebiggers@...nel.org,
	linux-scsi@...r.kernel.org, linux-phy@...ts.infradead.org,
	devicetree@...r.kernel.org, linux-clk@...r.kernel.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, tudor.ambarus@...aro.org,
	andre.draszik@...aro.org, saravanak@...gle.com
Subject: Re: [PATCH 16/17] scsi: ufs: host: ufs-exynos: Add support for
 Tensor gs101 SoC

On 04/04/2024, Peter Griffin wrote:
> Add a dedicated compatible and drv_data with associated
> hooks for gs101 SoC found on Pixel 6.
> 
> Note we make use of the previously added EXYNOS_UFS_OPT_UFSPR_SECURE
> option, to skip initialisation of UFSPR registers as these are only
> accessible via SMC call.
> 
> EXYNOS_UFS_OPT_TIMER_TICK_SELECT option is also set to select tick
> source. This has been done so as not to effect any existing platforms.
> 
> DBG_OPTION_SUITE on gs101 has different address offsets to other SoCs
> so these register offsets now come from uic_attr struct.
> 
> Signed-off-by: Peter Griffin <peter.griffin@...aro.org>
> ---

Tested-by: Will McVicker <willmcvicker@...gle.com>

I tested this patch series on a Pixel 6 device. I was able to successfully
mount two of the Android ext4 partitions -- efs and metadata.

  root@...gle-gs:~# mount | grep /dev/sda
  /dev/sda5 on /mnt/efs type ext4 (rw,relatime)
  /dev/sda8 on /mnt/metadata type ext4 (rw,relatime)

Regards,
Will