Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH AUTOSEL 4.19 1/3] scsi: mpt3sas: Prevent sending diag_reset when the controller is ready | Date | Mon, 11 Mar 2024 11:14:51 -0400 |
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From: Ranjan Kumar <ranjan.kumar@broadcom.com>
[ Upstream commit ee0017c3ed8a8abfa4d40e42f908fb38c31e7515 ]
If the driver detects that the controller is not ready before sending the first IOC facts command, it will wait for a maximum of 10 seconds for it to become ready. However, even if the controller becomes ready within 10 seconds, the driver will still issue a diagnostic reset.
Modify the driver to avoid sending a diag reset if the controller becomes ready within the 10-second wait time.
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com> Link: https://lore.kernel.org/r/20240221071724.14986-1-ranjan.kumar@broadcom.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/scsi/mpt3sas/mpt3sas_base.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 447ac667f4b2b..7588c2c11a879 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -5584,7 +5584,9 @@ _base_wait_for_iocstate(struct MPT3SAS_ADAPTER *ioc, int timeout) return -EFAULT; } - issue_diag_reset: + return 0; + +issue_diag_reset: rc = _base_diag_reset(ioc); return rc; } -- 2.43.0
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