ipr: Clear interrupt on croc/crocodile when running with LSI

commit 54e430bbd490e18ab116afa4cd90dcc45787b3df upstream.

If we fall back to using LSI on the Croc or Crocodile chip we need to
clear the interrupt so we don't hang the system.

Tested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 2b7bc7df1edfa0624225c726aecd00978cfb293a..9d92f798b8b2ad6e587e379661adaa7b8b4fb272 100644 (file)
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -9644,6 +9644,7 @@ static int ipr_probe_ioa(struct pci_dev *pdev,
                ioa_cfg->intr_flag = IPR_USE_MSI;
        else {
                ioa_cfg->intr_flag = IPR_USE_LSI;
+               ioa_cfg->clear_isr = 1;
                ioa_cfg->nvectors = 1;
                dev_info(&pdev->dev, "Cannot enable MSI.\n");
        }