From patchwork Fri Oct 19 12:43:36 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 10649295 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 4009B13A4 for ; Fri, 19 Oct 2018 12:43:40 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2E2AC2847B for ; Fri, 19 Oct 2018 12:43:40 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2018D28508; Fri, 19 Oct 2018 12:43:40 +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=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham 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 B2A352836F for ; Fri, 19 Oct 2018 12:43:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727189AbeJSUtg (ORCPT ); Fri, 19 Oct 2018 16:49:36 -0400 Received: from heliosphere.sirena.org.uk ([172.104.155.198]:39506 "EHLO heliosphere.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727187AbeJSUtg (ORCPT ); Fri, 19 Oct 2018 16:49:36 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sirena.org.uk; s=20170815-heliosphere; h=Date:Message-Id:In-Reply-To: Subject:Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:References: List-Id:List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner: List-Archive; bh=kPoD9TviBoxwbVvewHGqAxvz3x9SSgeh5Y9T6D7XUxo=; b=AKRG1CRQmrc4 /RBbvsxkeetYC7g3jZw7F5uQ8wAT1eUwbUSriY94m8at/sbaMKhuVHbqXjAZT/tlAJSEqoPF8vU0s GcTQ18GAUmVvO5QB5WPfov1Dc0FtBvgNH98s+23aNIRRnBScMoh7dEVlI199D5/zLyn55w9F+3776 lJ2jg=; Received: from cpc102320-sgyl38-2-0-cust46.18-2.cable.virginm.net ([82.37.168.47] helo=debutante.sirena.org.uk) by heliosphere.sirena.org.uk with esmtpa (Exim 4.89) (envelope-from ) id 1gDU7s-00009k-Kt; Fri, 19 Oct 2018 12:43:36 +0000 Received: by debutante.sirena.org.uk (Postfix, from userid 1000) id 532E01122548; Fri, 19 Oct 2018 13:43:36 +0100 (BST) From: Mark Brown To: Vignesh R Cc: Mark Brown , linux-spi@vger.kernel.org Subject: Applied "spi: omap2-mcspi: Switch to readl_poll_timeout()" to the spi tree In-Reply-To: Message-Id: <20181019124336.532E01122548@debutante.sirena.org.uk> Date: Fri, 19 Oct 2018 13:43:36 +0100 (BST) Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The patch spi: omap2-mcspi: Switch to readl_poll_timeout() has been applied to the spi tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted. You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed. If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced. Please add any relevant lists and maintainers to the CCs when replying to this mail. Thanks, Mark From 13d515c796adc49a49b0cd2212ccd7f43a37fc5a Mon Sep 17 00:00:00 2001 From: Vignesh R Date: Mon, 15 Oct 2018 12:08:27 +0530 Subject: [PATCH] spi: omap2-mcspi: Switch to readl_poll_timeout() Use standard readl_poll_timeout() macro for polling on status bits. Signed-off-by: Vignesh R Signed-off-by: Mark Brown --- drivers/spi/spi-omap2-mcspi.c | 17 ++++------------- 1 file changed, 4 insertions(+), 13 deletions(-) diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c index 508c61c669e7..985f00d8a964 100644 --- a/drivers/spi/spi-omap2-mcspi.c +++ b/drivers/spi/spi-omap2-mcspi.c @@ -33,6 +33,7 @@ #include #include #include +#include #include #include @@ -353,19 +354,9 @@ static void omap2_mcspi_set_fifo(const struct spi_device *spi, static int mcspi_wait_for_reg_bit(void __iomem *reg, unsigned long bit) { - unsigned long timeout; - - timeout = jiffies + msecs_to_jiffies(1000); - while (!(readl_relaxed(reg) & bit)) { - if (time_after(jiffies, timeout)) { - if (!(readl_relaxed(reg) & bit)) - return -ETIMEDOUT; - else - return 0; - } - cpu_relax(); - } - return 0; + u32 val; + + return readl_poll_timeout(reg, val, val & bit, 1, MSEC_PER_SEC); } static void omap2_mcspi_rx_callback(void *data)