Re: [PATCH 3/3] arm64: dts: qcom: eliza: Disable UFS MCQ mode

[Abel Vesa]

On 26-03-22 20:43:01, Krzysztof Kozlowski wrote:
> On 22/03/2026 17:08, Abel Vesa wrote:
> > The UFS MCQ mode is currently not functional in the driver. Eliza is
> > the first platform enabling it, which results in UFS failures at runtime
> > with errors such as:
> > 
> >   ufshcd-qcom 1d84000.ufshc: ufshcd_abort: Device abort task at tag 4
> >   ufs_device_wlun 0:0:0:49488: tag#4 CDB: opcode=0x1b 1b 00 00 00 10 00
> > 
> > The failures occur when accessing the UFS device, while the controller
> > and PHY initialize correctly.
> > 
> > Disable MCQ mode by removing the corresponding register range. This can
> > be reverted once MCQ support is fixed in the driver.
> > 
> > Fixes: db7fe6963466 ("arm64: dts: qcom: Introduce Eliza Soc base dtsi")
> > Signed-off-by: Abel Vesa <abel.vesa@xxxxxxxxxxxxxxxx>
> > ---
> >  arch/arm64/boot/dts/qcom/eliza.dtsi | 6 ++----
> >  1 file changed, 2 insertions(+), 4 deletions(-)
> > 
> 
> MCQ should be disabled in the driver, not via DTS. You have specific
> eliza compatible for exactly this purpose.

Actually, MCQ support is working, See my reply to Nitin. there is an issue
with the GCC driver for which I'll send a patch soon.