[PATCH v3] scsi: ufs: rockchip,rk3576-ufshc: dt-bindings: Add new mphy reset item
Martin K. Petersen
martin.petersen at oracle.com
Thu Mar 19 19:36:31 PDT 2026
On Fri, 13 Mar 2026 10:21:07 +0800, Shawn Lin wrote:
> Add the mphy reset property to the devicetree bindings for the Rockchip
> RK3576 UFS host controller. The mphy reset signal is used to reset the
> physical adapter. Resetting other components while leaving the mphy
> unreset may occasionally prevent the UFS controller from successfully
> linking up with the device.
>
> This addresses an intermittent hardware bug where the UFS link fails to
> establish under specific timing conditions with certain chips. While
> difficult to reproduce initially, this issue was consistently observed in
> downstream testing and requires explicit mphy reset control for full
> stability.
>
> [...]
Applied to 7.1/scsi-queue, thanks!
[1/1] scsi: ufs: rockchip,rk3576-ufshc: dt-bindings: Add new mphy reset item
https://git.kernel.org/mkp/scsi/c/bdce3a69c578
--
Martin K. Petersen
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