diff options
Diffstat (limited to 'drivers/scsi/aacraid')
| -rw-r--r-- | drivers/scsi/aacraid/src.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/scsi/aacraid/src.c b/drivers/scsi/aacraid/src.c index de4884577ad7..09b82d3325fc 100644 --- a/drivers/scsi/aacraid/src.c +++ b/drivers/scsi/aacraid/src.c @@ -680,6 +680,25 @@ void aac_set_intx_mode(struct aac_dev *dev) } } +static void aac_clear_omr(struct aac_dev *dev) +{ + u32 omr_value = 0; + + omr_value = src_readl(dev, MUnit.OMR); + + /* + * Check for PCI Errors or Kernel Panic + */ + if ((omr_value == INVALID_OMR) || (omr_value & KERNEL_PANIC)) + omr_value = 0; + + /* + * Preserve MSIX Value if any + */ + src_writel(dev, MUnit.OMR, omr_value & AAC_INT_MODE_MSIX); + src_readl(dev, MUnit.OMR); +} + static void aac_dump_fw_fib_iop_reset(struct aac_dev *dev) { __le32 supported_options3; @@ -740,6 +759,8 @@ static void aac_send_iop_reset(struct aac_dev *dev) aac_set_intx_mode(dev); + aac_clear_omr(dev); + src_writel(dev, MUnit.IDR, IOP_SRC_RESET_MASK); msleep(5000); @@ -749,6 +770,7 @@ static void aac_send_hardware_soft_reset(struct aac_dev *dev) { u_int32_t val; + aac_clear_omr(dev); val = readl(((char *)(dev->base) + IBW_SWR_OFFSET)); val |= 0x01; writel(val, ((char *)(dev->base) + IBW_SWR_OFFSET)); |