It appears that the LSI SAS 1064E chip needs to be reset after a
suspend/resume cycle before the driver attempts further communications with
the chip. This patch gets rid of these error messages:
mptbase: ioc0: ERROR - Invalid IOC facts reply, msgLength=0 offsetof=6!
after a system wakes up from sleep. I've also tested it on a 53c1030 chip
with no observable regressions.
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
drivers/message/fusion/mptbase.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index b3f28a0..b228e4c 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -1545,6 +1545,12 @@ mpt_resume(struct pci_dev *pdev)
(mpt_GetIocState(ioc, 1) >> MPI_IOC_STATE_SHIFT),
CHIPREG_READ32(&ioc->chip->Doorbell));
+ /* put ioc into READY_STATE */
+ if(SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, CAN_SLEEP)) {
+ printk(MYIOC_s_ERR_FMT
+ "pci-resume: IOC msg unit reset failed!\n", ioc->name);
+ }
+
/* bring ioc to operational state */
if ((recovery_state = mpt_do_ioc_recovery(ioc,
MPT_HOSTEVENT_IOC_RECOVER, CAN_SLEEP)) != 0) {
-
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