> In some Samsung UFS devices, there is some booting fail issue with > low-power UFS device. The reason of this issue is the UFS device has a > little bit longer latency for NOP OUT response. It causes booting fail > because NOP OUT command is issued during initialization to check whether > the device transport protocol is ready or not. This issue is resolved by > releasing NOP_OUT_TIMEOUT value. > > NOP_OUT_TIMEOUT: 30ms -> 50ms > > Signed-off-by: Daejun Park <daejun7.park@xxxxxxxxxxx> > --- > drivers/scsi/ufs/ufshcd.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c > index 06e2439d523c..5cbd0e9e4ef8 100644 > --- a/drivers/scsi/ufs/ufshcd.c > +++ b/drivers/scsi/ufs/ufshcd.c > @@ -36,8 +36,8 @@ > > /* NOP OUT retries waiting for NOP IN response */ > #define NOP_OUT_RETRIES 10 > -/* Timeout after 30 msecs if NOP OUT hangs without response */ > -#define NOP_OUT_TIMEOUT 30 /* msecs */ > +/* Timeout after 50 msecs if NOP OUT hangs without response */ > +#define NOP_OUT_TIMEOUT 50 /* msecs */ > > /* Query request retries */ > #define QUERY_REQ_RETRIES 3 > -- > 2.17.1 Hello, Just a gentle reminder that I'd like some feedback. Any suggestions here? Thanks, Daejun
