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authorAnil Ravindranath <anil_ravindranath@pmc-sierra.com>2010-11-17 00:43:41 +0300
committerJames Bottomley <James.Bottomley@suse.de>2010-12-09 18:41:15 +0300
commit5da61410054d125e63aeab9cc7a11874a69465c0 (patch)
tree376d4b77c3d980ed772ba495d370f6bfc6a86a28 /drivers/scsi/pmcraid.c
parentc7a841f3aca469187db76842676951a672fd27d1 (diff)
downloadlinux-5da61410054d125e63aeab9cc7a11874a69465c0.tar.xz
[SCSI] pmcraid: disable msix and expand device config entry
Firmware requires a larger configuration entry size than the driver currently allows, and MSI-X pretty much doesn't work with current FW, so disable it for now. Signed-off-by: Anil Ravindranath <anil_ravindranath@pmc-sierra.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/pmcraid.c')
-rw-r--r--drivers/scsi/pmcraid.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
index 5e76a624cb08..300d59f389da 100644
--- a/drivers/scsi/pmcraid.c
+++ b/drivers/scsi/pmcraid.c
@@ -62,6 +62,7 @@
static unsigned int pmcraid_debug_log;
static unsigned int pmcraid_disable_aen;
static unsigned int pmcraid_log_level = IOASC_LOG_LEVEL_MUST;
+static unsigned int pmcraid_enable_msix;
/*
* Data structures to support multiple adapters by the LLD.
@@ -4691,7 +4692,8 @@ pmcraid_register_interrupt_handler(struct pmcraid_instance *pinstance)
int rc;
struct pci_dev *pdev = pinstance->pdev;
- if (pci_find_capability(pdev, PCI_CAP_ID_MSIX)) {
+ if ((pmcraid_enable_msix) &&
+ (pci_find_capability(pdev, PCI_CAP_ID_MSIX))) {
int num_hrrq = PMCRAID_NUM_MSIX_VECTORS;
struct msix_entry entries[PMCRAID_NUM_MSIX_VECTORS];
int i;