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Wed, 1 Sep 2021 17:31:41 +0800 Message-ID: <1630488701.11251.5.camel@mhfsdcap03> Subject: Re: [PATCH v6 3/7] i2c: mediatek: Dump i2c/dma register when a timeout occurs From: Qii Wang To: Kewei Xu CC: , , , , , , , , , , , , , Date: Wed, 1 Sep 2021 17:31:41 +0800 In-Reply-To: <1630147859-17031-4-git-send-email-kewei.xu@mediatek.com> References: <1630147859-17031-1-git-send-email-kewei.xu@mediatek.com> <1630147859-17031-4-git-send-email-kewei.xu@mediatek.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gU2F0LCAyMDIxLTA4LTI4IGF0IDE4OjUwICswODAwLCBLZXdlaSBYdSB3cm90ZToNCj4gV2hl biBhIHRpbWVvdXQgZXJyb3Igb2NjdXJzIGluIGkyYyB0cmFuc3RlciwgaXQgaXMgdXN1YWxseSBy ZWxhdGVkDQo+IHRvIHRoZSBpMmMvZG1hIElQIGhhcmR3YXJlIGNvbmZpZ3VyYXRpb24uIFRoZXJl Zm9yZSwgdGhlIHB1cnBvc2Ugb2YNCj4gdGhpcyBwYXRjaCBpcyB0byBkdW1wIHRoZSBrZXkgcmVn aXN0ZXIgdmFsdWVzIG9mIGkyYy9kbWEgd2hlbiBhDQo+IHRpbWVvdXQgb2NjdXJzIGluIGkyYyBm b3IgZGVidWdnaW5nLg0KPiANCj4gU2lnbmVkLW9mZi1ieTogS2V3ZWkgWHUgPGtld2VpLnh1QG1l ZGlhdGVrLmNvbT4NCj4gLS0tDQo+ICBkcml2ZXJzL2kyYy9idXNzZXMvaTJjLW10NjV4eC5jIHwg NTYgKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKy0NCj4gIDEgZmlsZSBj aGFuZ2VkLCA1NSBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pDQo+IA0KDQpSZXZpZXdlZC1i eTogUWlpIFdhbmcgPHFpaS53YW5nQG1lZGlhdGVrLmNvbT4NCg0K 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=-15.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_SANE_2 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 598F5C432BE for ; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On Sat, 2021-08-28 at 18:50 +0800, Kewei Xu wrote: > When a timeout error occurs in i2c transter, it is usually related > to the i2c/dma IP hardware configuration. Therefore, the purpose of > this patch is to dump the key register values of i2c/dma when a > timeout occurs in i2c for debugging. > > Signed-off-by: Kewei Xu > --- > drivers/i2c/busses/i2c-mt65xx.c | 56 ++++++++++++++++++++++++++++++++++++++++- > 1 file changed, 55 insertions(+), 1 deletion(-) > Reviewed-by: Qii Wang _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek 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=-15.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_SANE_2 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 01BACC4320E for ; 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b=SQve7EEp055P2nhoSKCuK43yhfk7EeXmXx8iW9XpTlEX2wsPzlIS0iLE8dN2D4LjICrNTkwWrzgdzyAwp0QghKjhu7ha7deVvrOm6r68aqDOVRnHGKWtrvt0BMoTA7waJPalsCxQs38s4J0qgYMPDdUSLJCiTw8cJymVHDOXgKU=; X-UUID: dca8c7fc66254025bc9460f1e6e4c2a5-20210901 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 2125961101; Wed, 01 Sep 2021 02:31:45 -0700 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 1 Sep 2021 02:31:43 -0700 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 1 Sep 2021 17:31:42 +0800 Received: from [10.17.3.153] (10.17.3.153) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 1 Sep 2021 17:31:41 +0800 Message-ID: <1630488701.11251.5.camel@mhfsdcap03> Subject: Re: [PATCH v6 3/7] i2c: mediatek: Dump i2c/dma register when a timeout occurs From: Qii Wang To: Kewei Xu CC: , , , , , , , , , , , , , Date: Wed, 1 Sep 2021 17:31:41 +0800 In-Reply-To: <1630147859-17031-4-git-send-email-kewei.xu@mediatek.com> References: <1630147859-17031-1-git-send-email-kewei.xu@mediatek.com> <1630147859-17031-4-git-send-email-kewei.xu@mediatek.com> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210901_023152_945418_F020C02D X-CRM114-Status: GOOD ( 13.23 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sat, 2021-08-28 at 18:50 +0800, Kewei Xu wrote: > When a timeout error occurs in i2c transter, it is usually related > to the i2c/dma IP hardware configuration. Therefore, the purpose of > this patch is to dump the key register values of i2c/dma when a > timeout occurs in i2c for debugging. > > Signed-off-by: Kewei Xu > --- > drivers/i2c/busses/i2c-mt65xx.c | 56 ++++++++++++++++++++++++++++++++++++++++- > 1 file changed, 55 insertions(+), 1 deletion(-) > Reviewed-by: Qii Wang _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel