ACK: [PATCH v1 0/2] [SRU][F:linux-bluefield] mmc: dw_mmc-bluefield:
Bartlomiej Zolnierkiewicz
bartlomiej.zolnierkiewicz at canonical.com
Mon Dec 9 10:43:16 UTC 2024
On Sun, Nov 24, 2024 at 12:26 AM Liming Sun <limings at nvidia.com> wrote:
>
> BugLink: https://bugs.launchpad.net/bugs/2089455
>
> SRU Justification:
>
> [Impact]
> This is a cherry-pick fix from jammy branch below to support
> BlueField-2 eMMC HW reset.
> https://bugs.launchpad.net/ubuntu/+source/linux-bluefield/+bug/2072675
>
> [Fix]
> BlueField-2 eMMC RST_N register is implemented as secure, thus the
> default hw_reset() implementation won't work. This patch provides
> platform specific hw_reset() which sends SMC call to ATF to update
> the same RST_N register.
>
> [Test Case]
> Same functionality and testing as on BlueField-2 SoC.
>
> [Regression Potential]
> Same behavior from user perspective.
>
> Liming Sun (2):
> mmc: dw_mmc: Add support for platform specific eMMC HW reset
> mmc: dw_mmc-bluefield: Add support for eMMC HW reset
>
> drivers/mmc/host/dw_mmc-bluefield.c | 18 +++++++++++++++++-
> drivers/mmc/host/dw_mmc.c | 6 ++++++
> drivers/mmc/host/dw_mmc.h | 2 ++
> 3 files changed, 25 insertions(+), 1 deletion(-)
>
Acked-by: Bartlomiej Zolnierkiewicz <bartlomiej.zolnierkiewicz at canonical.com>
--
Best regards,
Bartlomiej
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