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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.

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: Willy Tarreau <w@1wt.eu>
This commit is contained in:
Brian King 2016-06-27 09:09:40 -05:00 committed by syphyr
parent 04bd43273d
commit 64c9edcd54
1 changed files with 1 additions and 0 deletions
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drivers/scsi/ipr.c
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@ -9607,6 +9607,7 @@ 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");
}