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=-16.2 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,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 CA534C47080 for ; Tue, 1 Jun 2021 12:50:17 +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 8FA9C6135D for ; Tue, 1 Jun 2021 12:50:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8FA9C6135D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=foss.st.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date: Message-ID:From:References:CC:To:Subject:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=lIVuUSCY6TTSV7RU3tGNffdj3W9hHHwvLHxXm48HCN4=; b=Yv/qg0X5oDrHjcxGKugfSjUPwN vA2V79efovsZXFMuMaCfLZ9+FhZEWc0Wdo4L6LjSlonxiDEDqI6CUzLDgTlA+R5PVj3Rd3DqcoQt7 JF9hC8Wt9SPoo6CvTR1iVFD2PsJEYHcwIPt2UbUc6AVppKFgNA8hT6cyT/M2wsGuYl9Iula/hnXmD yGREzf6sbhDACJxymyXPNBuGQm4MKhAS3p3BJhr0MyVJWu0VOB3srip5f8+q5ShA0cUo/Umgt6JBX NYtsGGxkLFQBpVAZ7FslvYglNqALrwwHHI+msgT0oTEBYyZJfFAsg5MZiDldt1SLMIX6ddTnAwzLF 3N1KXLHg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lo3ou-00Gaqj-0J; Tue, 01 Jun 2021 12:48:32 +0000 Received: from mx08-00178001.pphosted.com ([91.207.212.93] helo=mx07-00178001.pphosted.com) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lo3on-00Gan1-FY for linux-arm-kernel@lists.infradead.org; Tue, 01 Jun 2021 12:48:28 +0000 Received: from pps.filterd (m0046661.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 151Clde2004573; Tue, 1 Jun 2021 14:48:13 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=subject : to : cc : references : from : message-id : date : mime-version : in-reply-to : content-type : content-transfer-encoding; s=selector1; bh=z1+Wnvit74uNghN0bCNQj3HecsTBaLmiImgMis/YHwU=; b=m6qN6D0NZd1nY03SCvG9oPy643X1C31egKw8bmra2oATxq+McoF7xMx2fOlta7uFfA2h PJFzo40m6sYSPuNf8l3wa5gp5AlmfObcpWO4M2D8DwzIaCgsqAnDvk/SpeH5beTUNtnP 1SQXU3hREOMkH8J1vIcpHxu8yPpC4/CHdbtzJwRA1M6zcQ0Ot1eNSGPxg8udNQIhGE0W txycQaNThTJrCMgPeGH4MSCrIAOdVsX2t6lgoJYueHn1luimRFtraLnEDfvDvbFzSGZf RpZEGF6XCbR9VGrjjC47fcx0bd6USzk8vuuGB+tIdput8Zwts+gVBUNz7g6VxbcevsWt HA== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 38wjdg0xth-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 01 Jun 2021 14:48:13 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 3C7BC10002A; Tue, 1 Jun 2021 14:48:12 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag2node3.st.com [10.75.127.6]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 2565322176F; Tue, 1 Jun 2021 14:48:12 +0200 (CEST) Received: from lmecxl0573.lme.st.com (10.75.127.44) by SFHDAG2NODE3.st.com (10.75.127.6) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 1 Jun 2021 14:48:11 +0200 Subject: Re: [PATCH 3/4] clk: stm32: Fix stm32f429's ltdc driver hang in set clock rate To: , , , , , , , CC: , , , , , , , , References: <1620990152-19255-1-git-send-email-dillon.minfei@gmail.com> <1620990152-19255-4-git-send-email-dillon.minfei@gmail.com> From: Patrice CHOTARD Message-ID: <6ecedc1d-3b80-0eba-a5f0-8feb3eae16cf@foss.st.com> Date: Tue, 1 Jun 2021 14:48:10 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <1620990152-19255-4-git-send-email-dillon.minfei@gmail.com> Content-Language: en-US X-Originating-IP: [10.75.127.44] X-ClientProxiedBy: SFHDAG1NODE3.st.com (10.75.127.3) To SFHDAG2NODE3.st.com (10.75.127.6) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.761 definitions=2021-06-01_06:2021-05-31, 2021-06-01 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210601_054825_816782_0B08444A X-CRM114-Status: GOOD ( 23.07 ) 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="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org SGkgRGlsbG9uCgpPbiA1LzE0LzIxIDE6MDIgUE0sIGRpbGxvbi5taW5mZWlAZ21haWwuY29tIHdy b3RlOgo+IEZyb206IERpbGxvbiBNaW4gPGRpbGxvbi5taW5mZWlAZ21haWwuY29tPgo+IAo+IFRo aXMgaXMgZHVlIHRvIG1pc3VzZSDigJhQTExfVkNPX1NBSScgYW5kJ1BMTF9TQUknIGluIGNsay1z dG0zMmY0LmMKPiAnUExMX1NBSScgaXMgMiwgJ1BMTF9WQ09fU0FJJyBpcyA3KGRlZmluZWQgaW4K PiBpbmNsdWRlL2R0LWJpbmRpbmdzL2Nsb2NrL3N0bTMyZngtY2xvY2suaCkuCj4gCj4gJ3Bvc3Rf ZGl2JyBwb2ludCB0byAncG9zdF9kaXZfZGF0YVtdJywgJ3Bvc3RfZGl2LT5wbGxfbnVtJwo+IGlz IFBMTF9JMlMgb3IgUExMX1NBSS4KPiAKPiAnY2xrc1tQTExfVkNPX1NBSV0nIGhhcyB2YWxpZCAn c3RydWN0IGNsa19odyogJyByZXR1cm4KPiBmcm9tIHN0bTMyZjRfcmNjX3JlZ2lzdGVyX3BsbCgp IGJ1dCwgYXQgbGluZSAxNzc3IG9mCj4gZHJpdmVyL2Nsay9jbGstc3RtMzJmNC5jLCB1c2UgdGhl ICdjbGtzW3Bvc3RfZGl2LT5wbGxfbnVtXScsCj4gZXF1YWwgdG8gJ2Nsa3NbUExMX1NBSV0nLCB0 aGlzIGlzIGludmFsaWQgYXJyYXkgbWVtYmVyIGF0IHRoYXQgdGltZS4KPiAKPiBGaXhlczogNTE3 NjMzZWY2MzBlICgiY2xrOiBzdG0zMmY0OiBBZGQgcG9zdCBkaXZpc29yIGZvciBJMlMgJiBTQUkg UExMcyIpCj4gU2lnbmVkLW9mZi1ieTogRGlsbG9uIE1pbiA8ZGlsbG9uLm1pbmZlaUBnbWFpbC5j b20+Cj4gQWNrZWQtYnk6IFN0ZXBoZW4gQm95ZCA8c2JveWRAa2VybmVsLm9yZz4KPiBMaW5rOiBo dHRwczovL2xvcmUua2VybmVsLm9yZy9saW51eC1hcm0ta2VybmVsLzE1OTA1NjQ0NTMtMjQ0OTkt Ni1naXQtc2VuZC1lbWFpbC1kaWxsb24ubWluZmVpQGdtYWlsLmNvbS8KPiAtLS0KPiAgZHJpdmVy cy9jbGsvY2xrLXN0bTMyZjQuYyB8IDYgKysrLS0tCj4gIDEgZmlsZSBjaGFuZ2VkLCAzIGluc2Vy dGlvbnMoKyksIDMgZGVsZXRpb25zKC0pCj4gCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvY2xrL2Ns ay1zdG0zMmY0LmMgYi9kcml2ZXJzL2Nsay9jbGstc3RtMzJmNC5jCj4gaW5kZXggMTgxMTdjZTVm Zjg1Li40MmNhMmRkODZhZWEgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9jbGsvY2xrLXN0bTMyZjQu Ywo+ICsrKyBiL2RyaXZlcnMvY2xrL2Nsay1zdG0zMmY0LmMKPiBAQCAtNTU3LDEzICs1NTcsMTMg QEAgc3RhdGljIGNvbnN0IHN0cnVjdCBjbGtfZGl2X3RhYmxlIHBvc3RfZGl2cl90YWJsZVtdID0g ewo+ICAKPiAgI2RlZmluZSBNQVhfUE9TVF9ESVYgMwo+ICBzdGF0aWMgY29uc3Qgc3RydWN0IHN0 bTMyZjRfcGxsX3Bvc3RfZGl2X2RhdGEgIHBvc3RfZGl2X2RhdGFbTUFYX1BPU1RfRElWXSA9IHsK PiAtCXsgQ0xLX0kyU1FfUERJViwgUExMX0kyUywgInBsbGkycy1xLWRpdiIsICJwbGxpMnMtcSIs Cj4gKwl7IENMS19JMlNRX1BESVYsIFBMTF9WQ09fSTJTLCAicGxsaTJzLXEtZGl2IiwgInBsbGky cy1xIiwKPiAgCQlDTEtfU0VUX1JBVEVfUEFSRU5ULCBTVE0zMkY0X1JDQ19EQ0tDRkdSLCAwLCA1 LCAwLCBOVUxMfSwKPiAgCj4gLQl7IENMS19TQUlRX1BESVYsIFBMTF9TQUksICJwbGxzYWktcS1k aXYiLCAicGxsc2FpLXEiLAo+ICsJeyBDTEtfU0FJUV9QRElWLCBQTExfVkNPX1NBSSwgInBsbHNh aS1xLWRpdiIsICJwbGxzYWktcSIsCj4gIAkJQ0xLX1NFVF9SQVRFX1BBUkVOVCwgU1RNMzJGNF9S Q0NfRENLQ0ZHUiwgOCwgNSwgMCwgTlVMTCB9LAo+ICAKPiAtCXsgTk9fSURYLCBQTExfU0FJLCAi cGxsc2FpLXItZGl2IiwgInBsbHNhaS1yIiwgQ0xLX1NFVF9SQVRFX1BBUkVOVCwKPiArCXsgTk9f SURYLCBQTExfVkNPX1NBSSwgInBsbHNhaS1yLWRpdiIsICJwbGxzYWktciIsIENMS19TRVRfUkFU RV9QQVJFTlQsCj4gIAkJU1RNMzJGNF9SQ0NfRENLQ0ZHUiwgMTYsIDIsIDAsIHBvc3RfZGl2cl90 YWJsZSB9LAo+ICB9Owo+ICAKPiAKUmV2aWV3ZWQtYnk6IFBhdHJpY2UgQ2hvdGFyZCA8cGF0cmlj ZS5jaG90YXJkQGZvc3Muc3QuY29tPgoKVGhhbmtzClBhdHJpY2UKCl9fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFpbGluZyBs aXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5m cmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK