From: Brian King <brking@linux.vnet.ibm.com>
Date: Mon, 27 Jun 2016 14:09:40 +0000 (-0500)
Subject: ipr: Clear interrupt on croc/crocodile when running with LSI
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=54e430bbd490e18ab116afa4cd90dcc45787b3df;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

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

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.

Cc: <stable@vger.kernel.org>
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>
---

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index d6a691e27d33..d6803a9e5ab8 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -10093,6 +10093,7 @@ 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");
 	}