Commit c99b9b23 authored by Kiwoong Kim's avatar Kiwoong Kim Committed by Martin K. Petersen
Browse files

scsi: ufs: Treat link loss as fatal error 

This event is raised when link is lost as specified in UFSHCI spec and that
means communication is not possible. Thus initializing UFS interface needs
to be done.

Make UFS driver considers Link Lost as fatal in the INT_FATAL_ERRORS
mask. This will trigger a host reset whenever a link lost interrupt occurs.

Link: https://lore.kernel.org/r/1642743475-54275-1-git-send-email-kwmad.kim@samsung.com


Signed-off-by: default avatarKiwoong Kim <kwmad.kim@samsung.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent ad6c8a42

drivers/scsi/ufs/ufshci.h

+2 −1
Original line number Diff line number Diff line
@@ -142,7 +142,8 @@ static inline u32 ufshci_version(u32 major, u32 minor) 
#define INT_FATAL_ERRORS	(DEVICE_FATAL_ERROR |\

				CONTROLLER_FATAL_ERROR |\

				SYSTEM_BUS_FATAL_ERROR |\

				CRYPTO_ENGINE_FATAL_ERROR)

				CRYPTO_ENGINE_FATAL_ERROR |\

				UIC_LINK_LOST)



/* HCS - Host Controller Status 30h */

#define DEVICE_PRESENT				0x1