4.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Brian King <brking@xxxxxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Brian King <brking@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/scsi/ipr.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -10095,6 +10095,7 @@ static int ipr_probe_ioa(struct pci_dev
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");
}
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