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[93.181.165.181]) by smtp.gmail.com with ESMTPSA id e14-20020a19500e000000b0044a16931c7csm1912219lfb.97.2022.04.06.11.48.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Apr 2022 11:48:16 -0700 (PDT) From: Janusz Krzysztofik To: Aaro Koskinen Subject: Re: [PATCH v2] ARM: OMAP1: Prepare for conversion of OMAP1 clocks to CCF Date: Wed, 06 Apr 2022 20:48:14 +0200 Message-ID: <1888452.PYKUYFuaPT@dell> In-Reply-To: <20220406132149.GC594699@darkstar.musicnaut.iki.fi> References: <20220310233307.99220-3-jmkrzyszt@gmail.com> <1810824.tdWV9SEqCh@dell> <20220406132149.GC594699@darkstar.musicnaut.iki.fi> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" Cc: alsa-devel@alsa-project.org, Felipe Balbi , Paul Walmsley , Arnd Bergmann , Liam Girdwood , Tony Lindgren , Greg Kroah-Hartman , Helge Deller , linux-usb@vger.kernel.org, linux-mmc@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, Mark Brown , Alan Stern , Ulf Hansson , linux-omap@vger.kernel.org, Peter Ujfalusi , linux-arm-kernel@lists.infradead.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Dnia =C5=9Broda, 6 kwietnia 2022 15:21:49 CEST Aaro Koskinen pisze: > Hi, >=20 > On Sat, Mar 26, 2022 at 10:17:49PM +0100, Janusz Krzysztofik wrote: > > Dnia wtorek, 22 marca 2022 20:07:53 CET Aaro Koskinen pisze: > > > On Tue, Mar 22, 2022 at 06:36:48PM +0200, Aaro Koskinen wrote: > > > > Something is still broken. When doing kexec (using CCF kernel), the > > > > kexec'ed kernel now hangs early (on 770): > > > [...] > > > > [ 0.928863] calling omap1_init_devices+0x0/0x2c @ 1 > > >=20 > > > It hangs in omap_sram_reprogram_clock() (<- omap1_select_table_rate() > > > <- omap1_clk_late_init()). > >=20 > > I've reviewed my changes but haven't found anything suspicious. >=20 > The below change is fixing the kexec boot. Based on the comment in the > code, it seems this clock is needed for the SRAM to work. >=20 > diff --git a/arch/arm/mach-omap1/clock_data.c b/arch/arm/mach-omap1/clock= _data.c > index e33e11f826af..b8b4876ff935 100644 > --- a/arch/arm/mach-omap1/clock_data.c > +++ b/arch/arm/mach-omap1/clock_data.c > @@ -285,7 +285,7 @@ static struct omap1_clk tc1_ck =3D { > */ > =20 > static struct omap1_clk tc2_ck =3D { > - .hw.init =3D CLK_HW_INIT("tc2_ck", "tc_ck", &omap1_clk_gate_ops, 0), > + .hw.init =3D CLK_HW_INIT("tc2_ck", "tc_ck", &omap1_clk_gate_ops, CLK_IS= _CRITICAL), > .ops =3D &clkops_generic, > .enable_reg =3D OMAP1_IO_ADDRESS(ARM_IDLECT3), > .enable_bit =3D EN_TC2_CK, >=20 > A. >=20 Thank you Aaro. Will you submit this as a separate fix, or should I submit= =20 v2 of my patch 4/4 with your fix included? Thanks, Janusz 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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1C9AAC433F5 for ; Wed, 6 Apr 2022 20:26:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234408AbiDFU2a (ORCPT ); Wed, 6 Apr 2022 16:28:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42856 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234330AbiDFU2K (ORCPT ); Wed, 6 Apr 2022 16:28:10 -0400 Received: from mail-lf1-x12e.google.com (mail-lf1-x12e.google.com [IPv6:2a00:1450:4864:20::12e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4838413D09; Wed, 6 Apr 2022 11:48:19 -0700 (PDT) Received: by mail-lf1-x12e.google.com with SMTP id k21so5687961lfe.4; Wed, 06 Apr 2022 11:48:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=j9395K+P3ckPAEpp0VngX/lMlS/mSO7/OiLA6T9rii8=; b=AdiupK0f5tH3mzh81yMw74TNiqYSKhpRq5BV6vNWimIJM65sCmwtO0VGTLEIQSkjg/ xHomBGdi80pYAOjj2DuUq1oWwtOlgDYUspbmgS50UQ2XpWmFvFb64rmVAjIspPHu8v/N raKCDBS81RRn+l35CiP8V9s15SZMqyc+I6CC6eNFaX7SY9jCEODu+ODqKQrEXvDnNfW9 06BmSYAMjoFA6bYLj+hs4lTp1VvofM5xzi/2yOrMuJgyl5vhhS2Qt0VQ3ZrZxNRi+m2Y ZVJqXmFHD7We6zWDIH1c5jJ/5vx6iC0vE5/vmSAzew0dRX0CYnl+53PUQ+FMuZ066+V3 5MlQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=j9395K+P3ckPAEpp0VngX/lMlS/mSO7/OiLA6T9rii8=; b=C9xni2Se3KsxJ/qA93W+xT20Lw3+mTceU3wgH16Dve2CQ7nmCmvrtOUmZD0avnYS2S YmqpjEb78NypbSAU+0QDfalhlbm7FtQnPIlFdG/05lAYnVqgSslrUyVzNxG5yHzUXbtT 5TUZYkFpCdtJwRYIvdGa4Mx+fmCErSMshhNppBLX2HnXOMvylHXA5DgldxXFZ8Mw32/b RZ9UKjpvY8iAEM3wSAylA1/cwa3L6vBrcRLV5ILiJq4shdrvxaFjGIoU9E/buKc4gkVP kFZOU3CpMbZF+yCcvcX4+GLM8S+4Kp5lBqTmCd8noPP9LVf2QoKGRzIAFN6HnTxNcc44 6Hzw== X-Gm-Message-State: AOAM532pgeNnve5fE9O4raZl5zCCcOeWUnFsS38sUmEVI1sjGjGMNMMv J99BOXbnijdY3dBwS55rfaP1ZIb57nLf9boT X-Google-Smtp-Source: ABdhPJzNADicM+sXa4roBFQ7B2f4eH3VnwkH5xkwOrMbesUL+8GJo8yXhHvLj4BO2Bo5WHfPEDGStA== X-Received: by 2002:a05:6512:39c1:b0:44a:e25d:47fd with SMTP id k1-20020a05651239c100b0044ae25d47fdmr6907751lfu.580.1649270897430; Wed, 06 Apr 2022 11:48:17 -0700 (PDT) Received: from dell.intranet (93-181-165-181.internetia.net.pl. [93.181.165.181]) by smtp.gmail.com with ESMTPSA id e14-20020a19500e000000b0044a16931c7csm1912219lfb.97.2022.04.06.11.48.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Apr 2022 11:48:16 -0700 (PDT) From: Janusz Krzysztofik To: Aaro Koskinen Cc: Tony Lindgren , Paul Walmsley , Alan Stern , Greg Kroah-Hartman , Helge Deller , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-usb@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, Ulf Hansson , Arnd Bergmann , Felipe Balbi , Peter Ujfalusi , Liam Girdwood , Mark Brown , linux-mmc@vger.kernel.org, alsa-devel@alsa-project.org Subject: Re: [PATCH v2] ARM: OMAP1: Prepare for conversion of OMAP1 clocks to CCF Date: Wed, 06 Apr 2022 20:48:14 +0200 Message-ID: <1888452.PYKUYFuaPT@dell> In-Reply-To: <20220406132149.GC594699@darkstar.musicnaut.iki.fi> References: <20220310233307.99220-3-jmkrzyszt@gmail.com> <1810824.tdWV9SEqCh@dell> <20220406132149.GC594699@darkstar.musicnaut.iki.fi> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org Dnia =C5=9Broda, 6 kwietnia 2022 15:21:49 CEST Aaro Koskinen pisze: > Hi, >=20 > On Sat, Mar 26, 2022 at 10:17:49PM +0100, Janusz Krzysztofik wrote: > > Dnia wtorek, 22 marca 2022 20:07:53 CET Aaro Koskinen pisze: > > > On Tue, Mar 22, 2022 at 06:36:48PM +0200, Aaro Koskinen wrote: > > > > Something is still broken. When doing kexec (using CCF kernel), the > > > > kexec'ed kernel now hangs early (on 770): > > > [...] > > > > [ 0.928863] calling omap1_init_devices+0x0/0x2c @ 1 > > >=20 > > > It hangs in omap_sram_reprogram_clock() (<- omap1_select_table_rate() > > > <- omap1_clk_late_init()). > >=20 > > I've reviewed my changes but haven't found anything suspicious. >=20 > The below change is fixing the kexec boot. Based on the comment in the > code, it seems this clock is needed for the SRAM to work. >=20 > diff --git a/arch/arm/mach-omap1/clock_data.c b/arch/arm/mach-omap1/clock= _data.c > index e33e11f826af..b8b4876ff935 100644 > --- a/arch/arm/mach-omap1/clock_data.c > +++ b/arch/arm/mach-omap1/clock_data.c > @@ -285,7 +285,7 @@ static struct omap1_clk tc1_ck =3D { > */ > =20 > static struct omap1_clk tc2_ck =3D { > - .hw.init =3D CLK_HW_INIT("tc2_ck", "tc_ck", &omap1_clk_gate_ops, 0), > + .hw.init =3D CLK_HW_INIT("tc2_ck", "tc_ck", &omap1_clk_gate_ops, CLK_IS= _CRITICAL), > .ops =3D &clkops_generic, > .enable_reg =3D OMAP1_IO_ADDRESS(ARM_IDLECT3), > .enable_bit =3D EN_TC2_CK, >=20 > A. >=20 Thank you Aaro. Will you submit this as a separate fix, or should I submit= =20 v2 of my patch 4/4 with your fix included? 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[93.181.165.181]) by smtp.gmail.com with ESMTPSA id e14-20020a19500e000000b0044a16931c7csm1912219lfb.97.2022.04.06.11.48.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Apr 2022 11:48:16 -0700 (PDT) From: Janusz Krzysztofik To: Aaro Koskinen Cc: Tony Lindgren , Paul Walmsley , Alan Stern , Greg Kroah-Hartman , Helge Deller , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-usb@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, Ulf Hansson , Arnd Bergmann , Felipe Balbi , Peter Ujfalusi , Liam Girdwood , Mark Brown , linux-mmc@vger.kernel.org, alsa-devel@alsa-project.org Subject: Re: [PATCH v2] ARM: OMAP1: Prepare for conversion of OMAP1 clocks to CCF Date: Wed, 06 Apr 2022 20:48:14 +0200 Message-ID: <1888452.PYKUYFuaPT@dell> In-Reply-To: <20220406132149.GC594699@darkstar.musicnaut.iki.fi> References: <20220310233307.99220-3-jmkrzyszt@gmail.com> <1810824.tdWV9SEqCh@dell> <20220406132149.GC594699@darkstar.musicnaut.iki.fi> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220406_114820_057270_27C15B98 X-CRM114-Status: GOOD ( 20.94 ) 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 RG5pYSDFm3JvZGEsIDYga3dpZXRuaWEgMjAyMiAxNToyMTo0OSBDRVNUIEFhcm8gS29za2luZW4g cGlzemU6Cj4gSGksCj4gCj4gT24gU2F0LCBNYXIgMjYsIDIwMjIgYXQgMTA6MTc6NDlQTSArMDEw MCwgSmFudXN6IEtyenlzenRvZmlrIHdyb3RlOgo+ID4gRG5pYSB3dG9yZWssIDIyIG1hcmNhIDIw MjIgMjA6MDc6NTMgQ0VUIEFhcm8gS29za2luZW4gcGlzemU6Cj4gPiA+IE9uIFR1ZSwgTWFyIDIy LCAyMDIyIGF0IDA2OjM2OjQ4UE0gKzAyMDAsIEFhcm8gS29za2luZW4gd3JvdGU6Cj4gPiA+ID4g U29tZXRoaW5nIGlzIHN0aWxsIGJyb2tlbi4gV2hlbiBkb2luZyBrZXhlYyAodXNpbmcgQ0NGIGtl cm5lbCksIHRoZQo+ID4gPiA+IGtleGVjJ2VkIGtlcm5lbCBub3cgaGFuZ3MgZWFybHkgKG9uIDc3 MCk6Cj4gPiA+IFsuLi5dCj4gPiA+ID4gWyAgICAwLjkyODg2M10gY2FsbGluZyAgb21hcDFfaW5p dF9kZXZpY2VzKzB4MC8weDJjIEAgMQo+ID4gPiAKPiA+ID4gSXQgaGFuZ3MgaW4gb21hcF9zcmFt X3JlcHJvZ3JhbV9jbG9jaygpICg8LSBvbWFwMV9zZWxlY3RfdGFibGVfcmF0ZSgpCj4gPiA+IDwt IG9tYXAxX2Nsa19sYXRlX2luaXQoKSkuCj4gPiAKPiA+IEkndmUgcmV2aWV3ZWQgbXkgY2hhbmdl cyBidXQgaGF2ZW4ndCBmb3VuZCBhbnl0aGluZyBzdXNwaWNpb3VzLgo+IAo+IFRoZSBiZWxvdyBj aGFuZ2UgaXMgZml4aW5nIHRoZSBrZXhlYyBib290LiBCYXNlZCBvbiB0aGUgY29tbWVudCBpbiB0 aGUKPiBjb2RlLCBpdCBzZWVtcyB0aGlzIGNsb2NrIGlzIG5lZWRlZCBmb3IgdGhlIFNSQU0gdG8g d29yay4KPiAKPiBkaWZmIC0tZ2l0IGEvYXJjaC9hcm0vbWFjaC1vbWFwMS9jbG9ja19kYXRhLmMg Yi9hcmNoL2FybS9tYWNoLW9tYXAxL2Nsb2NrX2RhdGEuYwo+IGluZGV4IGUzM2UxMWY4MjZhZi4u YjhiNDg3NmZmOTM1IDEwMDY0NAo+IC0tLSBhL2FyY2gvYXJtL21hY2gtb21hcDEvY2xvY2tfZGF0 YS5jCj4gKysrIGIvYXJjaC9hcm0vbWFjaC1vbWFwMS9jbG9ja19kYXRhLmMKPiBAQCAtMjg1LDcg KzI4NSw3IEBAIHN0YXRpYyBzdHJ1Y3Qgb21hcDFfY2xrIHRjMV9jayA9IHsKPiAgICovCj4gIAo+ ICBzdGF0aWMgc3RydWN0IG9tYXAxX2NsayB0YzJfY2sgPSB7Cj4gLQkuaHcuaW5pdAk9IENMS19I V19JTklUKCJ0YzJfY2siLCAidGNfY2siLCAmb21hcDFfY2xrX2dhdGVfb3BzLCAwKSwKPiArCS5o dy5pbml0CT0gQ0xLX0hXX0lOSVQoInRjMl9jayIsICJ0Y19jayIsICZvbWFwMV9jbGtfZ2F0ZV9v cHMsIENMS19JU19DUklUSUNBTCksCj4gIAkub3BzCQk9ICZjbGtvcHNfZ2VuZXJpYywKPiAgCS5l bmFibGVfcmVnCT0gT01BUDFfSU9fQUREUkVTUyhBUk1fSURMRUNUMyksCj4gIAkuZW5hYmxlX2Jp dAk9IEVOX1RDMl9DSywKPiAKPiBBLgo+IAoKVGhhbmsgeW91IEFhcm8uICBXaWxsIHlvdSBzdWJt aXQgdGhpcyBhcyBhIHNlcGFyYXRlIGZpeCwgb3Igc2hvdWxkIEkgc3VibWl0IAp2MiBvZiBteSBw YXRjaCA0LzQgd2l0aCB5b3VyIGZpeCBpbmNsdWRlZD8KClRoYW5rcywKSmFudXN6CgoKCgpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2Vy bmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0 cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVs Cg==