From patchwork Sat Mar 30 15:09:10 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Colin King X-Patchwork-Id: 10878535 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DB32817E1 for ; Sat, 30 Mar 2019 15:09:26 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C06D528471 for ; Sat, 30 Mar 2019 15:09:26 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B40D62862D; Sat, 30 Mar 2019 15:09:26 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 6FD8528471 for ; Sat, 30 Mar 2019 15:09:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=GsSJ1f8IvVdZZRzReOtisYrI5RiGkinp8CJurFq/Tc0=; b=XwhruiPhALIbyq UOodmKnjcfHL0BKZ36aFJJrrtMVQb5k8OiBCzERsGeIBc2kI7pdQGCZzKJGQaa74Fx8FJtnXYFoy3 Xz/UO4Co/Aph4UbQnjqNR0iubGFOmq2d15CdoEnR2djGhnxQJ/iqSGwCHHJdUOxv5i/0w8Fuzj6Z5 Ox/ujqZquqfLQvd0mOfjcj/pvsVC/Zqut0ibTV2fnsYIQ5LDks4IkHGn95keVMajiIc5v2riYepEB p6M8sdRafStVlSPY70FgDjk54d+o9A0TUBhDr8EVTRb+xabqo4eGnwfDnaRLHkLcy6szA/+X3fhTR POb/71zauqUq8BKOkuaQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hAFbm-0006w2-Cp; Sat, 30 Mar 2019 15:09:22 +0000 Received: from youngberry.canonical.com ([91.189.89.112]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hAFbj-0006uG-EV; Sat, 30 Mar 2019 15:09:21 +0000 Received: from 1.general.cking.uk.vpn ([10.172.193.212] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.76) (envelope-from ) id 1hAFbb-00031A-4T; Sat, 30 Mar 2019 15:09:11 +0000 From: Colin King To: Lorenzo Pieralisi , Bjorn Helgaas , Heiko Stuebner , linux-pci@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH] PCI: rockchip: fix bitwise operations on status and ROCKCHIP_PCIE_EP_CMD_STATUS_IS Date: Sat, 30 Mar 2019 15:09:10 +0000 Message-Id: <20190330150910.9389-1-colin.king@canonical.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190330_080919_620430_7E92613C X-CRM114-Status: UNSURE ( 9.66 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Shawn Lin , kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Colin Ian King Currently the bitwise operations on the u16 variable 'status' with the setting ROCKCHIP_PCIE_EP_CMD_STATUS_IS are incorrect because ROCKCHIP_PCIE_EP_CMD_STATUS_IS is 1UL<<19 which is wider than the u16 variable. Fix this by making status a u32. (Not tested). Fixes: cf590b078391 ("PCI: rockchip: Add EP driver for Rockchip PCIe controller") Signed-off-by: Colin Ian King Reviewed-by: Mukesh Ojha --- drivers/pci/controller/pcie-rockchip-ep.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/controller/pcie-rockchip-ep.c b/drivers/pci/controller/pcie-rockchip-ep.c index a5d799e2dff2..d743b0a48988 100644 --- a/drivers/pci/controller/pcie-rockchip-ep.c +++ b/drivers/pci/controller/pcie-rockchip-ep.c @@ -350,7 +350,7 @@ static void rockchip_pcie_ep_assert_intx(struct rockchip_pcie_ep *ep, u8 fn, struct rockchip_pcie *rockchip = &ep->rockchip; u32 r = ep->max_regions - 1; u32 offset; - u16 status; + u32 status; u8 msg_code; if (unlikely(ep->irq_pci_addr != ROCKCHIP_PCIE_EP_PCI_LEGACY_IRQ_ADDR ||