From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 51A5AC49ED7 for ; Tue, 10 Sep 2019 19:58:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1FBED2171F for ; Tue, 10 Sep 2019 19:58:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726164AbfIJT65 (ORCPT ); Tue, 10 Sep 2019 15:58:57 -0400 Received: from ale.deltatee.com ([207.54.116.67]:34618 "EHLO ale.deltatee.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725263AbfIJT65 (ORCPT ); Tue, 10 Sep 2019 15:58:57 -0400 Received: from cgy1-donard.priv.deltatee.com ([172.16.1.31]) by ale.deltatee.com with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1i7mHu-00037R-Av; Tue, 10 Sep 2019 13:58:55 -0600 Received: from gunthorp by cgy1-donard.priv.deltatee.com with local (Exim 4.92) (envelope-from ) id 1i7mHt-00011V-GF; Tue, 10 Sep 2019 13:58:53 -0600 From: Logan Gunthorpe To: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Logan Gunthorpe , Doug Meyer , Bjorn Helgaas , Kelvin Cao Date: Tue, 10 Sep 2019 13:58:33 -0600 Message-Id: <20190910195833.3891-1-logang@deltatee.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 172.16.1.31 X-SA-Exim-Rcpt-To: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, logang@deltatee.com, dmeyer@gigaio.com, bhelgaas@google.com, Kelvin.Cao@microchip.com X-SA-Exim-Mail-From: gunthorp@deltatee.com Subject: [PATCH] PCI/switchtec: read all 64bits of part_event_bitmap X-SA-Exim-Version: 4.2.1 (built Tue, 02 Aug 2016 21:08:31 +0000) X-SA-Exim-Scanned: Yes (on ale.deltatee.com) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The part_event_bitmap register is 64 bits wide and should be read with ioread64 instead of the 32-bit ioread32. Reported-by: Doug Meyer Signed-off-by: Logan Gunthorpe Cc: Bjorn Helgaas Cc: Kelvin Cao --- drivers/pci/switch/switchtec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c index 8c94cd3fd1f2..465d6afd826e 100644 --- a/drivers/pci/switch/switchtec.c +++ b/drivers/pci/switch/switchtec.c @@ -675,7 +675,7 @@ static int ioctl_event_summary(struct switchtec_dev *stdev, return -ENOMEM; s->global = ioread32(&stdev->mmio_sw_event->global_summary); - s->part_bitmap = ioread32(&stdev->mmio_sw_event->part_event_bitmap); + s->part_bitmap = ioread64(&stdev->mmio_sw_event->part_event_bitmap); s->local_part = ioread32(&stdev->mmio_part_cfg->part_event_summary); for (i = 0; i < stdev->partition_count; i++) { -- 2.20.1