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Fri, 28 Feb 2020 07:39:12 -0800 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 28 Feb 2020 07:39:53 -0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 28 Feb 2020 23:38:15 +0800 Received: from [172.21.77.4] (172.21.77.4) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Fri, 28 Feb 2020 23:39:00 +0800 Message-ID: <1582904349.14824.19.camel@mtksdaap41> Subject: Re: [PATCH v3 05/13] soc: mediatek: cmdq: return send msg error code From: CK Hu To: Dennis YC Hsieh Date: Fri, 28 Feb 2020 23:39:09 +0800 In-Reply-To: <1582897461-15105-7-git-send-email-dennis-yc.hsieh@mediatek.com> References: <1582897461-15105-1-git-send-email-dennis-yc.hsieh@mediatek.com> <1582897461-15105-7-git-send-email-dennis-yc.hsieh@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-20200228_073913_301502_F8AA83B2 X-CRM114-Status: GOOD ( 12.36 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, srv_heupstream@mediatek.com, wsd_upstream@mediatek.com, Jassi Brar , linux-kernel@vger.kernel.org, Houlong Wei , Rob Herring , linux-mediatek@lists.infradead.org, Bibby Hsieh , Matthias Brugger , Ming-Fan Chen , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Hi, Dennis: On Fri, 2020-02-28 at 21:44 +0800, Dennis YC Hsieh wrote: > Return error code to client if send message fail, > so that client has chance to error handling. > > Fixes: 576f1b4bc802 ("soc: mediatek: Add Mediatek CMDQ helper") > Signed-off-by: Dennis YC Hsieh > --- > drivers/soc/mediatek/mtk-cmdq-helper.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c > index 2e1bc513569b..0698612de5ad 100644 > --- a/drivers/soc/mediatek/mtk-cmdq-helper.c > +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c > @@ -351,11 +351,11 @@ int cmdq_pkt_flush_async(struct cmdq_pkt *pkt, cmdq_async_flush_cb cb, > spin_unlock_irqrestore(&client->lock, flags); > } > > - mbox_send_message(client->chan, pkt); > + err = mbox_send_message(client->chan, pkt); > /* We can send next packet immediately, so just call txdone. */ > mbox_client_txdone(client->chan, 0); If error happen, why tx is done? I think you should return immediately when error happen. Regards, CK > > - return 0; > + return err; > } > EXPORT_SYMBOL(cmdq_pkt_flush_async); > _______________________________________________ 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=-8.2 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,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 37945C3F2D3 for ; Fri, 28 Feb 2020 15:39:24 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 045BE246AE for ; 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bh=K1/FjNHc57KhQ76Cn3QZo1foNtzkkZjOg40TS1GEvyY=; b=g3K1Y1p/qZhV8mQJYQfdAUDtkefLMI9pegbj47KFIPBiyYkZRG1MQhrYjBHwq2gRuzCamSd4E+xoz7bPMvdYxBqjGfy8HGb0FxDXr7tIZgDNgztlFkyxPHHySge3sF9Q0kUlsWfrb3W0J9J5Mw8pFVNiDmLnXQI/77g8cDalwU0=; X-UUID: d003b5e3a6584b3dbe47e66289d5cdd8-20200228 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 53787421; Fri, 28 Feb 2020 07:39:12 -0800 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 28 Feb 2020 07:39:53 -0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 28 Feb 2020 23:38:15 +0800 Received: from [172.21.77.4] (172.21.77.4) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Fri, 28 Feb 2020 23:39:00 +0800 Message-ID: <1582904349.14824.19.camel@mtksdaap41> Subject: Re: [PATCH v3 05/13] soc: mediatek: cmdq: return send msg error code From: CK Hu To: Dennis YC Hsieh Date: Fri, 28 Feb 2020 23:39:09 +0800 In-Reply-To: <1582897461-15105-7-git-send-email-dennis-yc.hsieh@mediatek.com> References: <1582897461-15105-1-git-send-email-dennis-yc.hsieh@mediatek.com> <1582897461-15105-7-git-send-email-dennis-yc.hsieh@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-20200228_073913_301502_F8AA83B2 X-CRM114-Status: GOOD ( 12.36 ) 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: devicetree@vger.kernel.org, srv_heupstream@mediatek.com, wsd_upstream@mediatek.com, Jassi Brar , linux-kernel@vger.kernel.org, Houlong Wei , Rob Herring , linux-mediatek@lists.infradead.org, Bibby Hsieh , Matthias Brugger , Ming-Fan Chen , linux-arm-kernel@lists.infradead.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 Hi, Dennis: On Fri, 2020-02-28 at 21:44 +0800, Dennis YC Hsieh wrote: > Return error code to client if send message fail, > so that client has chance to error handling. > > Fixes: 576f1b4bc802 ("soc: mediatek: Add Mediatek CMDQ helper") > Signed-off-by: Dennis YC Hsieh > --- > drivers/soc/mediatek/mtk-cmdq-helper.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c > index 2e1bc513569b..0698612de5ad 100644 > --- a/drivers/soc/mediatek/mtk-cmdq-helper.c > +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c > @@ -351,11 +351,11 @@ int cmdq_pkt_flush_async(struct cmdq_pkt *pkt, cmdq_async_flush_cb cb, > spin_unlock_irqrestore(&client->lock, flags); > } > > - mbox_send_message(client->chan, pkt); > + err = mbox_send_message(client->chan, pkt); > /* We can send next packet immediately, so just call txdone. */ > mbox_client_txdone(client->chan, 0); If error happen, why tx is done? I think you should return immediately when error happen. Regards, CK > > - return 0; > + return err; > } > EXPORT_SYMBOL(cmdq_pkt_flush_async); > _______________________________________________ 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=-8.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 521F5C3F2D2 for ; Fri, 28 Feb 2020 15:39:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 24A082469D for ; 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Fri, 28 Feb 2020 23:39:10 +0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 28 Feb 2020 23:38:15 +0800 Received: from [172.21.77.4] (172.21.77.4) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Fri, 28 Feb 2020 23:39:00 +0800 Message-ID: <1582904349.14824.19.camel@mtksdaap41> Subject: Re: [PATCH v3 05/13] soc: mediatek: cmdq: return send msg error code From: CK Hu To: Dennis YC Hsieh CC: Rob Herring , Matthias Brugger , Jassi Brar , , , , , Bibby Hsieh , Houlong Wei , , , "Ming-Fan Chen" Date: Fri, 28 Feb 2020 23:39:09 +0800 In-Reply-To: <1582897461-15105-7-git-send-email-dennis-yc.hsieh@mediatek.com> References: <1582897461-15105-1-git-send-email-dennis-yc.hsieh@mediatek.com> <1582897461-15105-7-git-send-email-dennis-yc.hsieh@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 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org SGksIERlbm5pczoNCg0KT24gRnJpLCAyMDIwLTAyLTI4IGF0IDIxOjQ0ICswODAwLCBEZW5uaXMg WUMgSHNpZWggd3JvdGU6DQo+IFJldHVybiBlcnJvciBjb2RlIHRvIGNsaWVudCBpZiBzZW5kIG1l c3NhZ2UgZmFpbCwNCj4gc28gdGhhdCBjbGllbnQgaGFzIGNoYW5jZSB0byBlcnJvciBoYW5kbGlu Zy4NCj4gDQo+IEZpeGVzOiA1NzZmMWI0YmM4MDIgKCJzb2M6IG1lZGlhdGVrOiBBZGQgTWVkaWF0 ZWsgQ01EUSBoZWxwZXIiKQ0KPiBTaWduZWQtb2ZmLWJ5OiBEZW5uaXMgWUMgSHNpZWggPGRlbm5p cy15Yy5oc2llaEBtZWRpYXRlay5jb20+DQo+IC0tLQ0KPiAgZHJpdmVycy9zb2MvbWVkaWF0ZWsv bXRrLWNtZHEtaGVscGVyLmMgfCA0ICsrLS0NCj4gIDEgZmlsZSBjaGFuZ2VkLCAyIGluc2VydGlv bnMoKyksIDIgZGVsZXRpb25zKC0pDQo+IA0KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9zb2MvbWVk aWF0ZWsvbXRrLWNtZHEtaGVscGVyLmMgYi9kcml2ZXJzL3NvYy9tZWRpYXRlay9tdGstY21kcS1o ZWxwZXIuYw0KPiBpbmRleCAyZTFiYzUxMzU2OWIuLjA2OTg2MTJkZTVhZCAxMDA2NDQNCj4gLS0t IGEvZHJpdmVycy9zb2MvbWVkaWF0ZWsvbXRrLWNtZHEtaGVscGVyLmMNCj4gKysrIGIvZHJpdmVy cy9zb2MvbWVkaWF0ZWsvbXRrLWNtZHEtaGVscGVyLmMNCj4gQEAgLTM1MSwxMSArMzUxLDExIEBA IGludCBjbWRxX3BrdF9mbHVzaF9hc3luYyhzdHJ1Y3QgY21kcV9wa3QgKnBrdCwgY21kcV9hc3lu Y19mbHVzaF9jYiBjYiwNCj4gIAkJc3Bpbl91bmxvY2tfaXJxcmVzdG9yZSgmY2xpZW50LT5sb2Nr LCBmbGFncyk7DQo+ICAJfQ0KPiAgDQo+IC0JbWJveF9zZW5kX21lc3NhZ2UoY2xpZW50LT5jaGFu LCBwa3QpOw0KPiArCWVyciA9IG1ib3hfc2VuZF9tZXNzYWdlKGNsaWVudC0+Y2hhbiwgcGt0KTsN Cj4gIAkvKiBXZSBjYW4gc2VuZCBuZXh0IHBhY2tldCBpbW1lZGlhdGVseSwgc28ganVzdCBjYWxs IHR4ZG9uZS4gKi8NCj4gIAltYm94X2NsaWVudF90eGRvbmUoY2xpZW50LT5jaGFuLCAwKTsNCg0K SWYgZXJyb3IgaGFwcGVuLCB3aHkgdHggaXMgZG9uZT8gSSB0aGluayB5b3Ugc2hvdWxkIHJldHVy biBpbW1lZGlhdGVseQ0Kd2hlbiBlcnJvciBoYXBwZW4uDQoNClJlZ2FyZHMsDQpDSw0KDQo+ICAN Cj4gLQlyZXR1cm4gMDsNCj4gKwlyZXR1cm4gZXJyOw0KPiAgfQ0KPiAgRVhQT1JUX1NZTUJPTChj bWRxX3BrdF9mbHVzaF9hc3luYyk7DQo+ICANCg0K