From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BB470C43603 for ; Tue, 10 Dec 2019 13:25:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 96E1A2077B for ; Tue, 10 Dec 2019 13:25:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727827AbfLJNZL (ORCPT ); Tue, 10 Dec 2019 08:25:11 -0500 Received: from esa2.microchip.iphmx.com ([68.232.149.84]:2002 "EHLO esa2.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727211AbfLJNZI (ORCPT ); Tue, 10 Dec 2019 08:25:08 -0500 Received-SPF: Pass (esa2.microchip.iphmx.com: domain of Claudiu.Beznea@microchip.com designates 198.175.253.82 as permitted sender) identity=mailfrom; client-ip=198.175.253.82; receiver=esa2.microchip.iphmx.com; envelope-from="Claudiu.Beznea@microchip.com"; x-sender="Claudiu.Beznea@microchip.com"; x-conformance=spf_only; x-record-type="v=spf1"; x-record-text="v=spf1 mx a:ushub1.microchip.com a:smtpout.microchip.com -exists:%{i}.spf.microchip.iphmx.com include:servers.mcsv.net include:mktomail.com include:spf.protection.outlook.com ~all" Received-SPF: None (esa2.microchip.iphmx.com: no sender authenticity information available from domain of postmaster@email.microchip.com) identity=helo; client-ip=198.175.253.82; receiver=esa2.microchip.iphmx.com; envelope-from="Claudiu.Beznea@microchip.com"; x-sender="postmaster@email.microchip.com"; x-conformance=spf_only Authentication-Results: esa2.microchip.iphmx.com; dkim=none (message not signed) header.i=none; spf=Pass smtp.mailfrom=Claudiu.Beznea@microchip.com; spf=None smtp.helo=postmaster@email.microchip.com; dmarc=pass (p=none dis=none) d=microchip.com IronPort-SDR: hnRNOKiQG+WcQ2REtTRs0HF9PluczubB0dOz2SJEh6gMvibIra3FXVMK32FY8x4RR/L9l0qrLj WMBhNKk5d+h+TNUTmQ2wbVaTKRNlW8mrLYGEWVyND67jCb0r8lzOwCrBbPn5DJrTedKEGRtdgp AC+z0XS7OAJQeYBvX8xhKvD6ISPCfr0uPhMQhN78FKoulyew8XbmHkP7J75Jd9H/5Eae1VLaJZ lsMOanVYgXEBfqPZ+6tq434rMlH4AX5nkiEPpBvWSMEF5F8wu+QCvZmEoEg0P6NqnAQQrLIYVz /so= X-IronPort-AV: E=Sophos;i="5.69,299,1571727600"; d="scan'208";a="59325118" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa2.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 10 Dec 2019 06:25:07 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Tue, 10 Dec 2019 06:25:06 -0700 Received: from m18063-ThinkPad-T460p.mchp-main.com (10.10.85.251) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.1713.5 via Frontend Transport; Tue, 10 Dec 2019 06:25:08 -0700 From: Claudiu Beznea To: , , , , , , , CC: , , , Claudiu Beznea Subject: [PATCH 3/5] mfd: atmel-hlcdc: return in case of error Date: Tue, 10 Dec 2019 15:24:45 +0200 Message-ID: <1575984287-26787-4-git-send-email-claudiu.beznea@microchip.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1575984287-26787-1-git-send-email-claudiu.beznea@microchip.com> References: <1575984287-26787-1-git-send-email-claudiu.beznea@microchip.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org For HLCDC timing engine configurations bit ATMEL_HLCDC_SIP of ATMEL_HLCDC_SR needs to checked if it is equal with zero before applying new configuration to timing engine. In case of timeout there is no indicator about this, so, return with error in case of timeout in regmap_atmel_hlcdc_reg_write() and also print a message about this. Signed-off-by: Claudiu Beznea --- drivers/mfd/atmel-hlcdc.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/drivers/mfd/atmel-hlcdc.c b/drivers/mfd/atmel-hlcdc.c index 64013c57a920..19f1dbeb8bcd 100644 --- a/drivers/mfd/atmel-hlcdc.c +++ b/drivers/mfd/atmel-hlcdc.c @@ -39,10 +39,16 @@ static int regmap_atmel_hlcdc_reg_write(void *context, unsigned int reg, if (reg <= ATMEL_HLCDC_DIS) { u32 status; - - readl_poll_timeout_atomic(hregmap->regs + ATMEL_HLCDC_SR, - status, !(status & ATMEL_HLCDC_SIP), - 1, 100); + int ret; + + ret = readl_poll_timeout_atomic(hregmap->regs + ATMEL_HLCDC_SR, + status, + !(status & ATMEL_HLCDC_SIP), + 1, 100); + if (ret) { + pr_err("Timeout waiting for ATMEL_HLCDC_SIP\n"); + return ret; + } } writel(val, hregmap->regs + reg); -- 2.7.4 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E0742C43603 for ; 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envelope-from="Claudiu.Beznea@microchip.com"; x-sender="Claudiu.Beznea@microchip.com"; x-conformance=spf_only; x-record-type="v=spf1"; x-record-text="v=spf1 mx a:ushub1.microchip.com a:smtpout.microchip.com -exists:%{i}.spf.microchip.iphmx.com include:servers.mcsv.net include:mktomail.com include:spf.protection.outlook.com ~all" Received-SPF: None (esa2.microchip.iphmx.com: no sender authenticity information available from domain of postmaster@email.microchip.com) identity=helo; client-ip=198.175.253.82; receiver=esa2.microchip.iphmx.com; envelope-from="Claudiu.Beznea@microchip.com"; x-sender="postmaster@email.microchip.com"; x-conformance=spf_only Authentication-Results: esa2.microchip.iphmx.com; dkim=none (message not signed) header.i=none; spf=Pass smtp.mailfrom=Claudiu.Beznea@microchip.com; spf=None smtp.helo=postmaster@email.microchip.com; dmarc=pass (p=none dis=none) d=microchip.com IronPort-SDR: hnRNOKiQG+WcQ2REtTRs0HF9PluczubB0dOz2SJEh6gMvibIra3FXVMK32FY8x4RR/L9l0qrLj WMBhNKk5d+h+TNUTmQ2wbVaTKRNlW8mrLYGEWVyND67jCb0r8lzOwCrBbPn5DJrTedKEGRtdgp AC+z0XS7OAJQeYBvX8xhKvD6ISPCfr0uPhMQhN78FKoulyew8XbmHkP7J75Jd9H/5Eae1VLaJZ lsMOanVYgXEBfqPZ+6tq434rMlH4AX5nkiEPpBvWSMEF5F8wu+QCvZmEoEg0P6NqnAQQrLIYVz /so= X-IronPort-AV: E=Sophos;i="5.69,299,1571727600"; d="scan'208";a="59325118" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa2.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 10 Dec 2019 06:25:07 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Tue, 10 Dec 2019 06:25:06 -0700 Received: from m18063-ThinkPad-T460p.mchp-main.com (10.10.85.251) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.1713.5 via Frontend Transport; Tue, 10 Dec 2019 06:25:08 -0700 From: Claudiu Beznea To: , , , , , , , Subject: [PATCH 3/5] mfd: atmel-hlcdc: return in case of error Date: Tue, 10 Dec 2019 15:24:45 +0200 Message-ID: <1575984287-26787-4-git-send-email-claudiu.beznea@microchip.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1575984287-26787-1-git-send-email-claudiu.beznea@microchip.com> References: <1575984287-26787-1-git-send-email-claudiu.beznea@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191210_052511_488658_43E689D7 X-CRM114-Status: UNSURE ( 9.02 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Claudiu Beznea , linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org For HLCDC timing engine configurations bit ATMEL_HLCDC_SIP of ATMEL_HLCDC_SR needs to checked if it is equal with zero before applying new configuration to timing engine. In case of timeout there is no indicator about this, so, return with error in case of timeout in regmap_atmel_hlcdc_reg_write() and also print a message about this. Signed-off-by: Claudiu Beznea --- drivers/mfd/atmel-hlcdc.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/drivers/mfd/atmel-hlcdc.c b/drivers/mfd/atmel-hlcdc.c index 64013c57a920..19f1dbeb8bcd 100644 --- a/drivers/mfd/atmel-hlcdc.c +++ b/drivers/mfd/atmel-hlcdc.c @@ -39,10 +39,16 @@ static int regmap_atmel_hlcdc_reg_write(void *context, unsigned int reg, if (reg <= ATMEL_HLCDC_DIS) { u32 status; - - readl_poll_timeout_atomic(hregmap->regs + ATMEL_HLCDC_SR, - status, !(status & ATMEL_HLCDC_SIP), - 1, 100); + int ret; + + ret = readl_poll_timeout_atomic(hregmap->regs + ATMEL_HLCDC_SR, + status, + !(status & ATMEL_HLCDC_SIP), + 1, 100); + if (ret) { + pr_err("Timeout waiting for ATMEL_HLCDC_SIP\n"); + return ret; + } } writel(val, hregmap->regs + reg); -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 72591C2D0C8 for ; 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d="scan'208";a="59325118" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa2.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 10 Dec 2019 06:25:07 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Tue, 10 Dec 2019 06:25:06 -0700 Received: from m18063-ThinkPad-T460p.mchp-main.com (10.10.85.251) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.1713.5 via Frontend Transport; Tue, 10 Dec 2019 06:25:08 -0700 From: Claudiu Beznea To: , , , , , , , Subject: [PATCH 3/5] mfd: atmel-hlcdc: return in case of error Date: Tue, 10 Dec 2019 15:24:45 +0200 Message-ID: <1575984287-26787-4-git-send-email-claudiu.beznea@microchip.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1575984287-26787-1-git-send-email-claudiu.beznea@microchip.com> References: <1575984287-26787-1-git-send-email-claudiu.beznea@microchip.com> MIME-Version: 1.0 X-Mailman-Approved-At: Wed, 11 Dec 2019 09:20:35 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Claudiu Beznea , linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" For HLCDC timing engine configurations bit ATMEL_HLCDC_SIP of ATMEL_HLCDC_SR needs to checked if it is equal with zero before applying new configuration to timing engine. In case of timeout there is no indicator about this, so, return with error in case of timeout in regmap_atmel_hlcdc_reg_write() and also print a message about this. Signed-off-by: Claudiu Beznea --- drivers/mfd/atmel-hlcdc.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/drivers/mfd/atmel-hlcdc.c b/drivers/mfd/atmel-hlcdc.c index 64013c57a920..19f1dbeb8bcd 100644 --- a/drivers/mfd/atmel-hlcdc.c +++ b/drivers/mfd/atmel-hlcdc.c @@ -39,10 +39,16 @@ static int regmap_atmel_hlcdc_reg_write(void *context, unsigned int reg, if (reg <= ATMEL_HLCDC_DIS) { u32 status; - - readl_poll_timeout_atomic(hregmap->regs + ATMEL_HLCDC_SR, - status, !(status & ATMEL_HLCDC_SIP), - 1, 100); + int ret; + + ret = readl_poll_timeout_atomic(hregmap->regs + ATMEL_HLCDC_SR, + status, + !(status & ATMEL_HLCDC_SIP), + 1, 100); + if (ret) { + pr_err("Timeout waiting for ATMEL_HLCDC_SIP\n"); + return ret; + } } writel(val, hregmap->regs + reg); -- 2.7.4 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel