Received: by 2002:a25:683:0:0:0:0:0 with SMTP id 125csp293050ybg; Wed, 3 Jun 2020 00:36:51 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzgEBA/K2NP8hzwlh2YKs0cZ7t/wOCGkMh/DxPO0wIEkLqRDtBddDwbLWBzoOjnd15GsH5o X-Received: by 2002:a50:a985:: with SMTP id n5mr30167102edc.338.1591169810862; Wed, 03 Jun 2020 00:36:50 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1591169810; cv=none; d=google.com; s=arc-20160816; b=gndFmdzkfQ4wPAFA8dZu/Sc5yC5edjc3ANBhE9eN6EogikeIaSnfoWHHJXj+pMA4Y6 7X5AVxHINDFknXu+as4P42Gsv37DRsmTJQznXg7K1MsHGjFA7MXIPNmIFgtJZwMaHMbN kW2V+ZinFMfJvNY8/C9O0RLpPFlQrNNBQT4BCu+dnC38x/pYSl3gBReMBaHGorJXl3Xd /eUEfrq5g0vxu4Wj8ybSulCp2eBYhUgzuTVDkOXTiEs436/Dvz7c+ehNav6aimFC95ef kee/K7P9MR89lMJclQjhvhzeogTJKjkVdc3VL03i+tA6EQ9n+1RDw9WsfuhXzULSdrU7 uSOg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:content-transfer-encoding :content-id:user-agent:content-language:accept-language:in-reply-to :references:message-id:date:thread-index:thread-topic:subject:cc:to :from:dkim-signature; bh=dvyUJs8o6kUEeuCGb8i9PeF6Oa2j1pEYn0SCIXZTWRQ=; b=HXwRH8lfNRJRlXyCUDgH8nQrCvLA4SnGPgmbYutInYcH/L8gqGYLikMsA+ZCNARPhb 5mf5yLFu0Zh/k+8TUWwfd3ZXcENlE2mr/H9PQFgOyGs4zJkNkAmatWpPH7Edc6W4aOmH MDLJB9veepdel27pMXdoA8mA7Z8+BeCOHUrCZjSmZ9mefE5GkOHSi+ZQCNz0fHczkwMX JJDub0dS4o1ypVcytZj7jDaH/Sm9ddctmxBqHESuFRY8kQ5/r2SPL3m5l69krfTWlEIK 8vUzwvvDAcorANGKc058P4lb78aoce1J+2mOabMlOz317bZZbvDEMMcU2k2ex81nmWJQ QG5g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@st.com header.s=STMicroelectronics header.b="c3dxij/t"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=st.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id y9si685951ede.417.2020.06.03.00.36.27; Wed, 03 Jun 2020 00:36:50 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@st.com header.s=STMicroelectronics header.b="c3dxij/t"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=st.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725954AbgFCHe3 (ORCPT + 99 others); Wed, 3 Jun 2020 03:34:29 -0400 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:6550 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725275AbgFCHe3 (ORCPT ); Wed, 3 Jun 2020 03:34:29 -0400 Received: from pps.filterd (m0046037.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 0537XPHE021565; Wed, 3 Jun 2020 09:34:14 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=st.com; h=from : to : cc : subject : date : message-id : references : in-reply-to : content-type : content-id : content-transfer-encoding : mime-version; s=STMicroelectronics; bh=dvyUJs8o6kUEeuCGb8i9PeF6Oa2j1pEYn0SCIXZTWRQ=; b=c3dxij/t3E/97u08riL5vamIIH5ZfAApuIY6SKzQUuiL5Yzs2/g+/jkZZRDjLxfAfODO ThrOKkihXG0D5qrstMz5PfwfMio7hQM8XRCw+cJhRfqaOrm3+9tTRgkPLQ3j4SKmp7tk N8jKJMDPm0pReetQay9AHDKLlUXRf0+e121C704AMjB2kP7ffpPq0cbR4FWm28Bh6DQN oIqI0RLJKfJ/rJyyrZztBNvJHy105vw8hGRmwGM/Gh8X6Zb/hHzhevcBnSQ/fpWRdfgN OeHWp1dsqsZMuoQ7L7dlv9d7DgITusuxL4uEQhjL3D6jex4UG1I4gX3iiND7zv+mUAbl Mw== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 31bd8w2vf7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 03 Jun 2020 09:34:14 +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 BA70710002A; Wed, 3 Jun 2020 09:34:13 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag5node3.st.com [10.75.127.15]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id A03D82AE6B2; Wed, 3 Jun 2020 09:34:13 +0200 (CEST) Received: from SFHDAG3NODE3.st.com (10.75.127.9) by SFHDAG5NODE3.st.com (10.75.127.15) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Wed, 3 Jun 2020 09:34:12 +0200 Received: from SFHDAG3NODE3.st.com ([fe80::3507:b372:7648:476]) by SFHDAG3NODE3.st.com ([fe80::3507:b372:7648:476%20]) with mapi id 15.00.1347.000; Wed, 3 Jun 2020 09:34:13 +0200 From: Benjamin GAIGNARD To: Valentin Schneider CC: Hugues FRUCHET , "mchehab@kernel.org" , "mcoquelin.stm32@gmail.com" , Alexandre TORGUE , "linux-media@vger.kernel.org" , "linux-stm32@st-md-mailman.stormreply.com" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "vincent.guittot@linaro.org" , "rjw@rjwysocki.net" Subject: Re: [PATCH] media: stm32-dcmi: Set minimum cpufreq requirement Thread-Topic: [PATCH] media: stm32-dcmi: Set minimum cpufreq requirement Thread-Index: AQHWNDnEPjQ+BLRck0Okhc2Oie/dNajE9yuAgAAjSoCAACDvgIABLWEA Date: Wed, 3 Jun 2020 07:34:13 +0000 Message-ID: <1b0ace18-e7f8-0b75-f6fe-968a269626b0@st.com> References: <20200527151613.16083-1-benjamin.gaignard@st.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.75.127.48] Content-Type: text/plain; charset="utf-8" Content-ID: <2D00D8D0FB5BE449A19E3E0E430841A6@st.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216,18.0.687 definitions=2020-06-03_06:2020-06-02,2020-06-03 signatures=0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org DQoNCk9uIDYvMi8yMCAzOjM1IFBNLCBWYWxlbnRpbiBTY2huZWlkZXIgd3JvdGU6DQo+IE9uIDAy LzA2LzIwIDEyOjM3LCBCZW5qYW1pbiBHQUlHTkFSRCB3cm90ZToNCj4+IE9uIDYvMi8yMCAxMToz MSBBTSwgVmFsZW50aW4gU2NobmVpZGVyIHdyb3RlOg0KPj4+PiBAQCAtOTksNiArMTAwLDggQEAg ZW51bSBzdGF0ZSB7DQo+Pj4+DQo+Pj4+ICAgICNkZWZpbmUgT1ZFUlJVTl9FUlJPUl9USFJFU0hP TEQJMw0KPj4+Pg0KPj4+PiArI2RlZmluZSBEQ01JX01JTl9GUkVRCTY1MDAwMCAvKiBpbiBLSHog Ki8NCj4+Pj4gKw0KPj4+IFRoaXMgYXNzdW1lcyB0aGUgaGFuZGxpbmcgcGFydCBpcyBndWFyYW50 ZWVkIHRvIGFsd2F5cyBydW4gb24gdGhlIHNhbWUgQ1BVDQo+Pj4gd2l0aCB0aGUgc2FtZSBwZXJm b3JtYW5jZSBwcm9maWxlIChyZWdhcmRsZXNzIG9mIHRoZSBwbGF0Zm9ybSkuIElmIHRoYXQncw0K Pj4+IG5vdCBndWFyYW50ZWVkLCBpdCBmZWVscyBsaWtlIHlvdSdkIHdhbnQgdGhpcyB0byBiZSBj b25maWd1cmFibGUgaW4gc29tZQ0KPj4+IHdheS4NCj4+IFllcyBJIGNvdWxkIGFkZCBhIHN0LHN0 bTMyLWRjbWktbWluLWZyZXF1ZW5jeSAoaW4gS0h6KSBwYXJhbWV0ZXIgdGhlDQo+PiBkZXZpY2Ug dHJlZSBub2RlLg0KPj4NCj4gU29tZXRoaW5nIGxpa2UgdGhhdCAtIEknbSBub3Qgc3VyZSBob3cg d2VsbCB0aGlzIGZpdHMgd2l0aCB0aGUgRFQNCj4gbGFuZHNjYXBlLCBhcyB5b3UgY291bGQgYXJn dWUgaXQgaXNuJ3QgcmVhbGx5IGEgZGVzY3JpcHRpb24gb2YgdGhlDQo+IGhhcmR3YXJlLCBtb3Jl IG9mIGEgZGVzY3JpcHRpb24gb2YgdGhlIHBlcmZvcm1hbmNlIGV4cGVjdGF0aW9ucyBvZiB0aGUN Cj4gc29mdHdhcmUuIEkgd29uJ3QgcmVhbGx5IGFyZ3VlIGhlcmUuDQo+DQo+Pj4+ICAgIHN0cnVj dCBkY21pX2dyYXBoX2VudGl0eSB7DQo+Pj4+ICAgICAgICAgc3RydWN0IHY0bDJfYXN5bmNfc3Vi ZGV2IGFzZDsNCj4+Pj4NCj4+PiBbLi4uXQ0KPj4+PiBAQCAtMjAyMCw2ICsyMDQyLDggQEAgc3Rh dGljIGludCBkY21pX3Byb2JlKHN0cnVjdCBwbGF0Zm9ybV9kZXZpY2UgKnBkZXYpDQo+Pj4+ICAg ICAgICAgICAgICAgICBnb3RvIGVycl9jbGVhbnVwOw0KPj4+PiAgICAgICAgIH0NCj4+Pj4NCj4+ Pj4gKwlkY21pLT5wb2xpY3kgPSBjcHVmcmVxX2NwdV9nZXQoMCk7DQo+Pj4+ICsNCj4+PiBJZGVh bGx5IHlvdSdkIHdhbnQgdG8gZmV0Y2ggdGhlIHBvbGljeSBvZiB0aGUgQ1BVIHlvdXIgSVJRIChh bmQgaGFuZGxpbmcNCj4+PiB0aHJlYWQpIGlzIGFmZmluZWQgdG87IFRoZSBvbmx5IGNvbXBhdGli bGUgRFRTIEkgZm91bmQgZGVzY3JpYmVzIGEgc2luZ2xlDQo+Pj4gQTcsIHdoaWNoIGlzIHNvbWV3 aGF0IGxpbWl0ZWQgaW4gdGhlIGFmZmluaXR5IGFyZWEuLi4NCj4+IElmIEkgbW92ZSB0aGlzIGNv ZGUganVzdCBiZWZvcmUgc3RhcnQgc3RyZWFtaW5nIGFuZCB1c2UgZ2V0X2NwdSgpLCB3b3VsZA0K Pj4gaXQgd29ya3MgPw0KPj4NCj4gQUZBSUEgc3RyZWFtaW5nX3N0YXJ0KCkgaXMgbm90IG5lY2Vz c2FyaWx5IGV4ZWN1dGluZyBvbiB0aGUgc2FtZSBDUFUgYXMgdGhlDQo+IG9uZSB0aGF0IHdpbGwg aGFuZGxlIHRoZSBpbnRlcnJ1cHQuIEkgd2FzIHRoaW5raW5nIHlvdSBjb3VsZCB1c2UgdGhlIElS USdzDQo+IGVmZmVjdGl2ZSBhZmZpbml0eSBhcyBhIGhpbnQgb2Ygd2hpY2ggQ1BVKHMpIHRvIGJv b3N0LCBpLmUuIHNvbWV0aGluZyBsaWtlOg0KPg0KPiAtLS0NCj4gICAgICBzdHJ1Y3QgY3B1bWFz a192YXJfdCB2aXNpdGVkOw0KPiAgICAgIHN0cnVjdCBpcnFfZGF0YSAqZCA9IGlycV9nZXRfaXJx X2RhdGEoaXJxKTsNCj4NCj4gICAgICBlcnIgPSBhbGxvY19jcHVtYXNrX3Zhcih2aXNpdGVkLCBH RlBfS0VSTkVMKTsNCj4gICAgICAvKiAuLi4gKi8NCj4gICAgICBmb3JfZWFjaF9jcHUoY3B1LCBp cnFfZGF0YV9nZXRfZWZmZWN0aXZlX2FmZmluaXR5X21hc2soZCkpIHsNCj4gICAgICAgICAgICAg IC8qIGNoZWNrIGlmIG5vdCBhbHJlYWR5IHNwYW5uZWQgKi8NCj4gICAgICAgICAgICAgIGlmIChj cHVtYXNrX3Rlc3RfY3B1KGNwdSwgdmlzaXRlZCkpDQo+ICAgICAgICAgICAgICAgICAgICAgIGNv bnRpbnVlOw0KPg0KPiAgICAgICAgICAgICAgcG9saWN5ID0gY3B1ZnJlcV9jcHVfZ2V0KGNwdSk7 DQo+ICAgICAgICAgICAgICBjcHVtYXNrX29yKHZpc2l0ZWQsIHZpc2l0ZWQsIHBvbGljeS0+Y3B1 cyk7DQo+ICAgICAgICAgICAgICAvKiBkbyB0aGUgYm9vc3QgZm9yIHRoYXQgcG9saWN5IGhlcmUg Ki8NCj4gICAgICAgICAgICAgIC8qIC4uLiAqLw0KPiAgICAgICAgICAgICAgY3B1ZnJlcV9jcHVf cHV0KHBvbGljeSk7DQo+ICAgICAgfQ0KPiAtLS0NCj4NCj4gVGhhdCBvZiBjb3Vyc2UgZmFsbHMg YXBhcnQgd2hlbiBob3RwbHVnIGdldHMgaW52b2x2ZWQsIGFuZCB0aGUgZWZmZWN0aXZlDQo+IGFm ZmluaXR5IGNoYW5nZXMuLi4gVGhlcmUncyBpcnFfc2V0X2FmZmluaXR5X25vdGlmaWVyKCkgb3V0 IHRoZXJlLCBidXQgaXQNCj4gc2VlbXMgaXQncyBvbmx5IGFib3V0IHRoZSBhZmZpbml0eSwgbm90 IHRoZSBlZmZlY3RpdmVfYWZmaW5pdHksIEknbSBub3QNCj4gc3VyZSBob3cgdmFsaWQgaXQgd291 bGQgYmUgdG8gcXVlcnkgdGhlIGVmZmVjdGl2ZV9hZmZpbml0eSBpbiB0aGF0DQo+IG5vdGlmaWVy Lg0KSWYgSSB3YWl0IHRvIGJlIGluIHRoZSBpcnEgaXQgd2lsbCBiZSB0b28gbGF0ZSBzbyBJIHRo aW5rIEkgd2lsbCBkbyBhIA0KbG9vcCBvdmVyIGFsbCBwb3NzaWJsZSBDUFVzDQpiZWZvcmUgc3Rh cnQgdGhlIHN0cmVhbWluZyB0byBjaGFuZ2UgdGhlIHBvbGljaWVzLg0KDQo+DQo+PiBCZW5qYW1p bg0KPj4+PiAgICAgICAgIGRldl9pbmZvKCZwZGV2LT5kZXYsICJQcm9iZSBkb25lXG4iKTsNCj4+ Pj4NCj4+Pj4gICAgICAgICBwbGF0Zm9ybV9zZXRfZHJ2ZGF0YShwZGV2LCBkY21pKTsNCj4+Pj4g QEAgLTIwNDksNiArMjA3Myw5IEBAIHN0YXRpYyBpbnQgZGNtaV9yZW1vdmUoc3RydWN0IHBsYXRm b3JtX2RldmljZSAqcGRldikNCj4+Pj4NCj4+Pj4gICAgICAgICBwbV9ydW50aW1lX2Rpc2FibGUo JnBkZXYtPmRldik7DQo+Pj4+DQo+Pj4+ICsJaWYgKGRjbWktPnBvbGljeSkNCj4+Pj4gKwkJY3B1 ZnJlcV9jcHVfcHV0KGRjbWktPnBvbGljeSk7DQo+Pj4+ICsNCj4+Pj4gICAgICAgICB2NGwyX2Fz eW5jX25vdGlmaWVyX3VucmVnaXN0ZXIoJmRjbWktPm5vdGlmaWVyKTsNCj4+Pj4gICAgICAgICB2 NGwyX2FzeW5jX25vdGlmaWVyX2NsZWFudXAoJmRjbWktPm5vdGlmaWVyKTsNCj4+Pj4gICAgICAg ICBtZWRpYV9lbnRpdHlfY2xlYW51cCgmZGNtaS0+dmRldi0+ZW50aXR5KTsNCg==