scsi: ufs: ufs-qcom: Add support for finding max gear on new platforms

Browse source

Starting from Qcom UFS version 4.0, vendor specific REG_UFS_PARAM0 register
can be used to determine the maximum gear supported by the controller.

Suggested-by: Can Guo <quic_cang@quicinc.com>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Tested-by: Andrew Halaney <ahalaney@redhat.com> # Qdrive3/sa8540p-ride
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

...

This commit is contained in:

Manivannan Sadhasivam 2022-12-22 19:40:00 +05:30 • committed by Martin K. Petersen

parent baf5ddac90

commit 2c407fe970

2 changed files with 6 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

2

drivers/ufs/host/ufs-qcom.c

View file

4

drivers/ufs/host/ufs-qcom.h

View file