From patchwork Sun Sep 6 18:50:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 1358395 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=tF3dtYTP; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4Bl0wQ4kkcz9sTh for ; Mon, 7 Sep 2020 04:55:18 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729186AbgIFSvz (ORCPT ); Sun, 6 Sep 2020 14:51:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60476 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729118AbgIFSvp (ORCPT ); Sun, 6 Sep 2020 14:51:45 -0400 Received: from mail-lj1-x242.google.com (mail-lj1-x242.google.com [IPv6:2a00:1450:4864:20::242]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CEE04C061755; Sun, 6 Sep 2020 11:51:44 -0700 (PDT) Received: by mail-lj1-x242.google.com with SMTP id a15so13643492ljk.2; Sun, 06 Sep 2020 11:51:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=OBUXvlICXAt4XhkXTBZEgHZISfsH0kwsfBBqReQcTB0=; b=tF3dtYTP1OUDdU6viCKHRFrYuoQMQMMHCW93Y/HzQVuQDyfPhNSCdUkdgaNaRqvYy/ KeXviAV8gXfVtwefzL6LMzPFeoZDd/nbQGvLNUivrI1bCDCKd+jhrFlVnhLzZAwV68Ni fB/L+8nQh0JwRyFY3sRvNpVWRwtAASvevGC3lIjoQ1WngUWq1svHymP6R31GNLTz3g2T HKg20CLMYHwEP4sT1lgcPTenKfOkFVu+iIF+XHiaTALiNHoHm8ZsZVjX8J51Se3kEpAe Oqys5kmKt3UVg9iMcQ5zUZrj168UuU9bGhPwqp7mWZKelFJubfWuszCVfUqqw+5RZmZd w+JQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=OBUXvlICXAt4XhkXTBZEgHZISfsH0kwsfBBqReQcTB0=; b=OyJbKhZWLjKFlfQufq2td2b26QyhKwRSXEWjNznfwci5M6IZCOO6eQR/htYY0Uc82N k/AVU6oYRAwuL427QUC2njTheQmvrOBPtq6tLBlCfl9snGzwGczB3Klv3vNu59hA1zUA ume7z/43wdjZuHw2GW5GTeWo0WP9bYRP0CtJZ8rg0M9p1TUKJN2vuUXsmezg+Iw42Jso wua231Rx64SZqBCsLWfT0BNvv2fTo97ELaXbs4W463BK5V8aLjdcKGAkpQXPYdChJ57o 0tcChfG76F0SQjItudf6GtKZznnxwAwHz04MfFXU1yLTVOi+CYI0a0M0ZXuS8G3YEXNJ DBHg== X-Gm-Message-State: AOAM532zvcQGX1vfozC8T6zBj8gYZPQ1WRunxfcIp+RjeQCownawRraf A01a8d41xHPhalswXIl96NjYZapCzrs= X-Google-Smtp-Source: ABdhPJxGdwvw8sgsF6rAG5pZKaW9VOoQEBNSYyDn+n1FfUYH6PBvipwMmgS5hgwW70dgaf3RVux6JA== X-Received: by 2002:a2e:980f:: with SMTP id a15mr756737ljj.153.1599418301977; Sun, 06 Sep 2020 11:51:41 -0700 (PDT) Received: from localhost.localdomain (109-252-170-211.dynamic.spd-mgts.ru. [109.252.170.211]) by smtp.gmail.com with ESMTPSA id s3sm4883407ljd.44.2020.09.06.11.51.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 06 Sep 2020 11:51:41 -0700 (PDT) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Laxman Dewangan , Wolfram Sang , =?utf-8?b?TWljaGHFgiBNaXJvc8WCYXc=?= , Andy Shevchenko Cc: linux-i2c@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 03/36] i2c: tegra: Mask interrupt in tegra_i2c_issue_bus_clear() Date: Sun, 6 Sep 2020 21:50:06 +0300 Message-Id: <20200906185039.22700-4-digetx@gmail.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200906185039.22700-1-digetx@gmail.com> References: <20200906185039.22700-1-digetx@gmail.com> MIME-Version: 1.0 Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org The tegra_i2c_issue_bus_clear() may fail and in this case BUS_CLR_DONE stays unmasked. Hence let's mask it for consistency. This patch doesn't fix any known problems. Signed-off-by: Dmitry Osipenko --- drivers/i2c/busses/i2c-tegra.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index 307df6f97ed0..d01697995224 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -1149,6 +1149,8 @@ static int tegra_i2c_issue_bus_clear(struct i2c_adapter *adap) time_left = tegra_i2c_wait_completion_timeout( i2c_dev, &i2c_dev->msg_complete, 50); + tegra_i2c_mask_irq(i2c_dev, I2C_INT_BUS_CLR_DONE); + if (time_left == 0) { dev_err(i2c_dev->dev, "timed out for bus clear\n"); return -ETIMEDOUT;