MPI2 controllers sometimes got lost (i. e. disappears from /sys/bus/pci/devices) if ASMP is enabled.
Signed-off-by: Slava Kardakov <o...@ojab.ru> Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=60644 --- V2: use name in Signed-off-by Not sure if it's a complete fix, but at least I can't reproduce the issue locally with it applied. Also it's my first patch, so I've surely screwed up some formatting etc. drivers/scsi/mpt3sas/mpt3sas_scsih.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index b5c966e..203651a 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -51,6 +51,7 @@ #include <linux/workqueue.h> #include <linux/delay.h> #include <linux/pci.h> +#include <linux/pci-aspm.h> #include <linux/interrupt.h> #include <linux/aer.h> #include <linux/raid_class.h> @@ -8734,6 +8735,8 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) switch (hba_mpi_version) { case MPI2_VERSION: + pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | + PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM); /* Use mpt2sas driver host template for SAS 2.0 HBA's */ shost = scsi_host_alloc(&mpt2sas_driver_template, sizeof(struct MPT3SAS_ADAPTER)); -- 2.10.0 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
