From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753389AbcHNK7j (ORCPT ); Sun, 14 Aug 2016 06:59:39 -0400 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:51881 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753357AbcHNK7f (ORCPT ); Sun, 14 Aug 2016 06:59:35 -0400 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit MIME-Version: 1.0 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org CC: akpm@linux-foundation.org, "Martin K. Petersen" , "Benjamin Herrenschmidt" , "Brian King" Date: Sat, 13 Aug 2016 18:42:51 +0100 Message-ID: X-Mailer: LinuxStableQueue (scripts by bwh) Subject: [PATCH 3.16 248/305] ipr: Clear interrupt on croc/crocodile when running with LSI In-Reply-To: X-SA-Exim-Connect-IP: 92.40.249.202 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.16.37-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Brian King 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 Signed-off-by: Brian King Signed-off-by: Martin K. Petersen Signed-off-by: Ben Hutchings --- drivers/scsi/ipr.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -9753,6 +9753,7 @@ 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"); }