From: Kiwoong Kim kwmad.kim@samsung.com
[ Upstream commit c99b9b2301492b665b6e51ba6c06ec362eddcd10 ]
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@samsun... Signed-off-by: Kiwoong Kim kwmad.kim@samsung.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/ufs/ufshci.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/ufs/ufshci.h b/drivers/scsi/ufs/ufshci.h index 6a295c88d850f..a7ff0e5b54946 100644 --- a/drivers/scsi/ufs/ufshci.h +++ b/drivers/scsi/ufs/ufshci.h @@ -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