blob: b015e49c66dec2525336182f8dbf7b8cc863e744 [file] [log] [blame]
From 54e430bbd490e18ab116afa4cd90dcc45787b3df Mon Sep 17 00:00:00 2001
From: Brian King <brking@linux.vnet.ibm.com>
Date: Mon, 27 Jun 2016 09:09:40 -0500
Subject: ipr: Clear interrupt on croc/crocodile when running with LSI
From: Brian King <brking@linux.vnet.ibm.com>
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>
---
drivers/scsi/ipr.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -9644,6 +9644,7 @@ 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");
}