commit 78cbccd3bd683 ("[PATCH] aacraid: Fix for KDUMP driver hang")
caused a problem on older controllers which do not support MSI-x (namely
ASR3405,ASR3805). This patch conditionalizes the previous patch to
controllers which support MSI-x
cc: stable@xxxxxxxxxxxxxxx
Fixes: 78cbccd3bd683c295a44af8050797dc4a41376ff
Reported-by: Arkadiusz Miskiewicz <a.miskiewicz@xxxxxxxxx>
Signed-off-by: Dave Carroll <david.carroll@xxxxxxxxxxxxx>
Reviewed-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@xxxxxxxxxxxxx>
---
drivers/scsi/aacraid/comminit.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c
index 4f56b10..d56df36 100644
--- a/drivers/scsi/aacraid/comminit.c
+++ b/drivers/scsi/aacraid/comminit.c
@@ -50,9 +50,13 @@ struct aac_common aac_config = {
static inline int aac_is_msix_mode(struct aac_dev *dev)
{
- u32 status;
+ u32 status = 0;
- status = src_readl(dev, MUnit.OMR);
+ if (dev->pdev->device == PMC_DEVICE_S6 ||
+ dev->pdev->device == PMC_DEVICE_S7 ||
+ dev->pdev->device == PMC_DEVICE_S8) {
+ status = src_readl(dev, MUnit.OMR);
+ }
return (status & AAC_INT_MODE_MSIX);
}
--
2.8.4
--
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