[PATCH 0/1] arm64: dts: qcom: sm8350-sagami: UFS

[Jan Paszkowski <jan.m.paszkowski@gmail.com>]

This patch is about turning on the UFS for the sony xperia sagami
platform.

The patch is small, but due to the grave risk of the patch combined with
my inexperience I wanted to write this cover letter.

While digging through the reasons for the UFS bug in sony devices, I
stumbled upon a downstream workaround in the initial commit for
sm8250-sony-xperia devices [1]. The workaround did not mention the
sagami platform. Looking through android patches for UFS for the sony
sagami copyleft kernel, they seemed to be minor compared to previous
generations[2].

With that I got a spare pdx215 to try this on. I compiled a kernel with
postmarketOS tools. Normal flashing of pmOS on a single partition seemed
to not work, though the UFS device was visible when booting on the sd
card. That said both split flashing of pmOS onto two partitions and
formating partitions worked, at least for super and userdata with ext4.
The booted device detected the partitions and even worked without the sd
card. With that I wanted to send it to the mailing lists in case the bug
is gone this generation.

I guess that most likely I am missing something. If so please respond to
this series. I am happy to test  further to make sure it won't brick
anybody's device.

[1] https://github.com/kholk/kernel/commit/2e7a9ee1c91a016baa0b826a7752ec45663a0561
[2] https://github.com/sonyxperiadev/kernel-copyleft/tree/61.0.A.11.xxx


Jan Paszkowski (1):
  arm64: dts: qcom: sm8350-sony-xperia-sagami: enable UFS

 .../dts/qcom/sm8350-sony-xperia-sagami.dtsi     | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

-- 
2.55.0