Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753485AbdFMNrh (ORCPT ); Tue, 13 Jun 2017 09:47:37 -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 X-IronPort-AV: E=Sophos;i="5.39,338,1493650800"; d="scan'208";a="246421773" 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-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1626 Lines: 53 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; \ } \ -- 2.12.2