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| author | ojab <ojab@ojab.ru> | 2016-12-28 11:05:24 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-02-14 15:25:39 -0800 |
| commit | b5d5f2877c8d447f56a9b5477e485e6361fcd2d3 (patch) | |
| tree | e503ffab0ebf08ad257ce4b577f302a9d1ca29df /drivers/scsi | |
| parent | 5684c7db4e1076ce95e38deccd261d59fb612649 (diff) | |
| download | linux-stable-b5d5f2877c8d447f56a9b5477e485e6361fcd2d3.tar.gz linux-stable-b5d5f2877c8d447f56a9b5477e485e6361fcd2d3.tar.bz2 linux-stable-b5d5f2877c8d447f56a9b5477e485e6361fcd2d3.zip | |
scsi: mpt3sas: disable ASPM for MPI2 controllers
commit ffdadd68af5a397b8a52289ab39d62e1acb39e63 upstream.
MPI2 controllers sometimes got lost (i.e. disappear from
/sys/bus/pci/devices) if ASMP is enabled.
Signed-off-by: Slava Kardakov <ojab@ojab.ru>
Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=60644
Acked-by: Sreekanth Reddy <Sreekanth.Reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_scsih.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index f84a6087cebd..8a7941b8189f 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> @@ -8706,6 +8707,8 @@ _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)); |