[PATCH v2 0/7] ufs-exynos stability fixes for gs101

Bart Van Assche bvanassche at acm.org
Fri Mar 21 13:10:14 PDT 2025


On 3/19/25 8:30 AM, Peter Griffin wrote:
> This series fixes several stability issues with the upstream ufs-exynos
> driver, specifically for the gs101 SoC found in Pixel 6.
> 
> The main fix is regarding the IO cache coherency setting and ensuring
> that it is correctly applied depending on if the dma-coherent property
> is specified in device tree. This fixes the UFS stability issues on gs101
> and I would imagine will also fix issues on exynosauto platform that
> seems to have similar iocc shareability bits.
> 
> Additionally the phy reference counting is fixed which allows module
> load/unload to work reliably and keeps the phy state machine in sync
> with the controller glue driver.

Although these patches are somewhat outside my area of expertise, the
patches look good to me, hence:

Reviewed-by: Bart Van Assche <bvanassche at acm.org>



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