Hi Federico, On 23/05/2026 15:04, Federico Amedeo Izzo via B4 Relay wrote: > This series enables UFS support on SC7280 devices with UFS3.1. > SC7280 devices with UFS2.2 were already working. > > The root cause was ABL leaving vcc-supply regulator disabled on UFS3.1 > devices, and enabled on UFS2.2 devices that worked fine without > regulator support.
Thanks a lot for working on this and finding the bug in the regulator driver! > > Signed-off-by: Federico Amedeo Izzo <[email protected]> Reviewed-by: Casey Connolly <[email protected]> > --- > Changes in v4: > - Improve regulator mode fix: apply current mode during enable > - Remove regulator mode code from qcom-ufs driver > - Link to v3: > https://patch.msgid.link/[email protected] > > Changes in v3: > - Fix bug causing HPM mode not being applied. Removed LPM/HPM hack > - Read regulator mode from dts property instead of hardcoding it > - Link to v2: > https://patch.msgid.link/[email protected] > > Changes in v2: > - Add vccq2-supply for UFS2.2 devices without internal eLDO regulator > - Fix wrong topic > - Link to v1: > https://patch.msgid.link/[email protected] > > To: Sumit Garg <[email protected]> > To: [email protected] > To: [email protected] > Cc: Jaehoon Chung <[email protected]> > Cc: Peng Fan <[email protected]> > Cc: Casey Connolly <[email protected]> > Cc: Neil Armstrong <[email protected]> > Cc: Tom Rini <[email protected]> > Cc: Luca Weiss <[email protected]> > Cc: Aswin Murugan <[email protected]> > Cc: Federico Amedeo Izzo <[email protected]> > Cc: Bhupesh Sharma <[email protected]> > Cc: Neha Malcom Francis <[email protected]> > Cc: Julien Stephan <[email protected]> > Cc: Marek Vasut <[email protected]> > > --- > Federico Amedeo Izzo (2): > regulator: qcom-rpmh-regulator: fix regulator mode mismatch > ufs: qcom: add ufs host regulator support > > drivers/power/regulator/qcom-rpmh-regulator.c | 106 > ++++++++++++++------------ > drivers/ufs/ufs-qcom.c | 25 ++++++ > drivers/ufs/ufs-qcom.h | 4 + > 3 files changed, 85 insertions(+), 50 deletions(-) > --- > base-commit: 744cf5d4e398c5f657e5c3eeb44d00fa5175dc85 > change-id: 20260521-qcom-ufs-regulator-support-466ea6ad202a > > Best regards, > -- > Federico Amedeo Izzo <[email protected]> > > -- // Casey (she/her)
