ACK: [PATCH v1 0/1] UBUNTU: SAUCE: [SRU][J:linux-bluefield] mmc:sdhci-of-dwcmshc: Add hw_reset() support for BlueField-3 SoC

[Manuel Diewald]

On Thu, Jul 11, 2024 at 01:48:04PM -0400, Liming Sun wrote:
> BugLink: https://bugs.launchpad.net/bugs/2072786
> 
> SRU Justification:
> 
> [Impact]
> This is an enhancement to enable the hw_reset() support in the
> sdhci-of-dwcmshc driver for BlueField-3.
> 
> [Fix]
> BLueField eMMC RST_N register is implemented as secure, thus the
> default hw_reset() implementation won't work. This patch provides
> BlueField specific hw_reset() which send SMC call to ATF to update
> the same RST_N register.
> 
> [Test Case]
> Same functionality and testing as on BlueField-3.
> 
> [Regression Potential]
> Same behavior from user perspective.
> 
> Liming Sun (1):
>   UBUNTU: SAUCE: [SRU][J:linux-bluefield] mmc:sdhci-of-dwcmshc: Add
>     hw_reset() support for BlueField-3 SoC
> 
>  drivers/mmc/host/sdhci-of-dwcmshc.c | 28 +++++++++++++++++++++++++++-
>  1 file changed, 27 insertions(+), 1 deletion(-)
> 
> -- 
> 2.30.1
> 
> 
> -- 
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Acked-by: Manuel Diewald <manuel.diewald at canonical.com>

-- 
 Manuel
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