scsi: ufs: ufs-debugfs: Add error counters
authorAdrian Hunter <adrian.hunter@intel.com>
Thu, 7 Jan 2021 07:25:38 +0000 (09:25 +0200)
committerMartin K. Petersen <martin.petersen@oracle.com>
Wed, 13 Jan 2021 03:14:06 +0000 (22:14 -0500)
commitb6cacaf2044fd9b82e5ceac88d8d17e04a01982f
treeb2254afc1df2a4a856b76e7bf6e3564e9102579b
parent91b1b640b834b2d6f330baf04c0cc049eca9d689
scsi: ufs: ufs-debugfs: Add error counters

People testing have a need to know how many errors might be occurring over
time. Add error counters and expose them via debugfs.

A module initcall is used to create a debugfs root directory for
ufshcd-related items. In the case that modules are built-in, then
initialization is done in link order, so move ufshcd-core to the top of the
Makefile.

Link: https://lore.kernel.org/r/20210107072538.21782-1-adrian.hunter@intel.com
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/ufs/Makefile
drivers/scsi/ufs/ufs-debugfs.c [new file with mode: 0644]
drivers/scsi/ufs/ufs-debugfs.h [new file with mode: 0644]
drivers/scsi/ufs/ufshcd.c
drivers/scsi/ufs/ufshcd.h