scsi: ufs: ufs-sysfs: Expose UFS power info
authorCan Guo <quic_cang@quicinc.com>
Thu, 2 Nov 2023 01:58:36 +0000 (18:58 -0700)
committerMartin K. Petersen <martin.petersen@oracle.com>
Wed, 15 Nov 2023 15:23:55 +0000 (10:23 -0500)
commit4f6dd2a4bf378bc4d169296739ea7d6972c0d858
treecf632f7658bd2000471d067dc975b8a5f4afb727
parent2aee050cefdaaab9e65ce0894e2a784aac15b70c
scsi: ufs: ufs-sysfs: Expose UFS power info

Having UFS power info available in sysfs makes it easier to tell the state
of the link during runtime considering we have a bunch of power saving
features and various combinations for backward compatibility.

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Can Guo <quic_cang@quicinc.com>
Link: https://lore.kernel.org/r/1698890324-7374-1-git-send-email-quic_cang@quicinc.com
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Documentation/ABI/testing/sysfs-driver-ufs
drivers/ufs/core/ufs-sysfs.c
include/ufs/unipro.h