From patchwork Tue Jun 13 13:33:47 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ramesh Shanmugasundaram X-Patchwork-Id: 9783895 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 5AE2D6038E for ; Tue, 13 Jun 2017 13:47:50 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 501312834A for ; Tue, 13 Jun 2017 13:47:50 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 44EE8286F2; Tue, 13 Jun 2017 13:47:50 +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=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F411A28635 for ; Tue, 13 Jun 2017 13:47:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753112AbdFMNrg (ORCPT ); Tue, 13 Jun 2017 09:47:36 -0400 Received: from relmlor4.renesas.com ([210.160.252.174]:25806 "EHLO relmlie3.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753120AbdFMNrO (ORCPT ); Tue, 13 Jun 2017 09:47:14 -0400 Received: from unknown (HELO relmlir4.idc.renesas.com) ([10.200.68.154]) by relmlie3.idc.renesas.com with ESMTP; 13 Jun 2017 22:47:12 +0900 Received: from relmlii1.idc.renesas.com (relmlii1.idc.renesas.com [10.200.68.65]) by relmlir4.idc.renesas.com (Postfix) with ESMTP id 46F687BCAF; Tue, 13 Jun 2017 22:47:12 +0900 (JST) X-IronPort-AV: E=Sophos;i="5.39,338,1493650800"; d="scan'208";a="246421773" Received: from unknown (HELO be1yocto.ree.adwin.renesas.com) ([172.29.43.62]) by relmlii1.idc.renesas.com with ESMTP; 13 Jun 2017 22:47:09 +0900 From: Ramesh Shanmugasundaram To: broonie@kernel.org, hverkuil@xs4all.nl, mattw@codeaurora.org, mitchelh@codeaurora.org, akpm@linux-foundation.org, yamada.masahiro@socionext.com Cc: linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, chris.paterson2@renesas.com, Ramesh Shanmugasundaram Subject: [PATCH v2 1/2] iopoll: Avoid namespace collision within macros & tidyup Date: Tue, 13 Jun 2017 14:33:47 +0100 Message-Id: <20170613133348.48044-2-ramesh.shanmugasundaram@bp.renesas.com> X-Mailer: git-send-email 2.12.2 In-Reply-To: <20170613133348.48044-1-ramesh.shanmugasundaram@bp.renesas.com> References: <20170613133348.48044-1-ramesh.shanmugasundaram@bp.renesas.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Renamed variable "timeout" to "__timeout" to avoid namespace collision. Tidy up macro arguments with paranthesis. Signed-off-by: Ramesh Shanmugasundaram --- include/linux/iopoll.h | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/include/linux/iopoll.h b/include/linux/iopoll.h index d29e1e21bf3f..e000172bee54 100644 --- a/include/linux/iopoll.h +++ b/include/linux/iopoll.h @@ -42,18 +42,19 @@ */ #define readx_poll_timeout(op, addr, val, cond, sleep_us, timeout_us) \ ({ \ - ktime_t timeout = ktime_add_us(ktime_get(), timeout_us); \ + ktime_t __timeout = ktime_add_us(ktime_get(), timeout_us); \ might_sleep_if(sleep_us); \ for (;;) { \ (val) = op(addr); \ if (cond) \ break; \ - if (timeout_us && ktime_compare(ktime_get(), timeout) > 0) { \ + if ((timeout_us) && \ + ktime_compare(ktime_get(), __timeout) > 0) { \ (val) = op(addr); \ break; \ } \ if (sleep_us) \ - usleep_range((sleep_us >> 2) + 1, sleep_us); \ + usleep_range(((sleep_us) >> 2) + 1, sleep_us); \ } \ (cond) ? 0 : -ETIMEDOUT; \ }) @@ -77,12 +78,13 @@ */ #define readx_poll_timeout_atomic(op, addr, val, cond, delay_us, timeout_us) \ ({ \ - ktime_t timeout = ktime_add_us(ktime_get(), timeout_us); \ + ktime_t __timeout = ktime_add_us(ktime_get(), timeout_us); \ for (;;) { \ (val) = op(addr); \ if (cond) \ break; \ - if (timeout_us && ktime_compare(ktime_get(), timeout) > 0) { \ + if ((timeout_us) && \ + ktime_compare(ktime_get(), __timeout) > 0) { \ (val) = op(addr); \ break; \ } \