Commit 9f0a4f41 authored Jun 27, 2016 by Brian King Committed by Sasha Levin Jul 19, 2016

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



[ Upstream commit 54e430bbd490e18ab116afa4cd90dcc45787b3df ]

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>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>

parent 9d171576

drivers/scsi/ipr.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -9759,6 +9759,7 @@ 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");
		}