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mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=nicolas.frattaroli@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1752570807; s=zohomail; d=collabora.com; i=nicolas.frattaroli@collabora.com; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-ID:In-Reply-To:References:MIME-Version:Content-Transfer-Encoding:Content-Type:Message-Id:Reply-To; bh=cay9RsCh/M7Z1VNy5D8LdZzxsTlAPAMGWS8Ka5XVAL0=; b=Q+yu7HcE8kRkHvDFA/I+tnaBCb5kOgIyqfrNK1+v4UFKPdJ3g3vctaCli4O4uz3f K+HZuX8Fr7yrG5jsyhBsjG8TNwRWXWRGIno5VWlq523Sxn/UjXRkukNAC0V4IqVQ1Dm 63Lnmufxg2b4MdP74ghITgXZ4s1hWkjArvD4lp8U= Received: by mx.zohomail.com with SMTPS id 17525708052071014.9248185889661; Tue, 15 Jul 2025 02:13:25 -0700 (PDT) From: Nicolas Frattaroli To: Qu Wenruo Cc: linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Subject: Re: PWM fan control not working with Rock5B and upstream kernel Date: Tue, 15 Jul 2025 11:13:21 +0200 Message-ID: <9751604.CDJkKcVGEf@workhorse> In-Reply-To: References: <5271313.GXAFRqVoOG@workhorse> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250715_021329_814174_6E194ECB X-CRM114-Status: GOOD ( 24.22 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org SGksCgpJJ3ZlIHNlZW4geW91J3ZlIGFscmVhZHkgc29sdmVkIHlvdXIgcHJvYmxlbSwgYnV0IEkg ZmVlbCBJIHNob3VsZApyZXBseSB0byBzb21lIHBvaW50cyBhbnl3YXkuCgpPbiBUdWVzZGF5LCAx NSBKdWx5IDIwMjUgMTA6NDQ6MjEgQ2VudHJhbCBFdXJvcGVhbiBTdW1tZXIgVGltZSBRdSBXZW5y dW8gd3JvdGU6Cj4gCj4g5ZyoIDIwMjUvNy8xNSAxNzoxOSwgTmljb2xhcyBGcmF0dGFyb2xpIOWG memBkzoKPiA+IE9uIFR1ZXNkYXksIDE1IEp1bHkgMjAyNSAwNjoxMDo0NSBDZW50cmFsIEV1cm9w ZWFuIFN1bW1lciBUaW1lIFF1IFdlbnJ1byB3cm90ZToKPiA+PiBIaSwKPiA+Pgo+ID4+IE15IFJv Y2s1QiBib2FyZCBpcyBydW5uaW5nIGVkay1yazM1ODggZmlybXdhcmUgYW5kIChhbG1vc3QpIHVw c3RyZWFtCj4gPj4ga2VybmVsICg2LjE0LjYga2VybmVsIGZyb20gQXJjaGxpbnV4QVJNKSwgdXNp bmcgdXBzdHJlYW0gZHRicyAodGhlCj4gPj4gZmlybXdhcmUgaXMgYWxzbyBzd2l0Y2hlZCB0byBk ZXZpY2UtdHJlZSBib290IG1vZGUpCj4gPiAKPiA+IENvbnNpZGVyIHVzaW5nIG1haW5saW5lIHUt Ym9vdCBpbnN0ZWFkLiBJIHRoaW5rIHRoZSBvbmx5IG9uZXMgd2hvCj4gPiBpbnNpc3Qgb24gZWRr MiBmb3JrcyBhcmUgdGhlIEJTRCBwZW9wbGUsIGFzIHRoZXkgZG9uJ3Qgd2FudCB0bwo+ID4gd3Jp dGUgZGV2aWNlIGRyaXZlcnMuIExpbnV4IGhhcyBkcml2ZXJzLCBzbyBpbnZlbnRpbmcgVUVGSSBh YnN0cmFjdGlvbnMKPiA+IGZvciB0aGluZ3MgcHJvYmFibHkgb25seSBtYWtlcyB5b3VyIGV4cGVy aWVuY2Ugd29yc2UuCj4gCj4gV2VsbCwgaGF2aW5nIHNvbWV0aGluZyBtb3JlIHVzZXItZnJpZW5k bHkgYW5kIG1vcmUgc2ltaWxhciB0byBhIAo+IHRyYWRpdGlvbmFsIFBDIHNldHVwIGlzIGRlZmlu aXRlbHkgbW9yZSBhdHRyYWN0aXZlIHRvIGVuZCB1c2Vycy4KClUtQm9vdCBzdGFuZGFyZCBib290 IGZsb3cgd29ya3MganVzdCBmaW5lIGZvciB0aGlzLiBCcm9rZW4gVUVGSQpzZXJ2aWNlcyBhbmQg QUNQSSBpbnRlcmZhY2VzIG5vdGhpbmcgaW1wbGVtZW50cyBkbyBub3QgYWNoaWV2ZSB0aGlzLgoK WW91IGNhbiBmbGFzaCBhIG1haW5saW5lIHUtYm9vdCB0byB5b3VyIFJPQ0sgNUIncyBTUEkgZmxh c2ggYW5kIGl0CndpbGwgYm9vdCBhYXJjaDY0IFVFRkkgZGlzdHJvIGluc3RhbGxlcnMgb2ZmIFVT QiB0aHVtYiBkcml2ZXMsIG9yCmRvIFBYRSBib290LCBvciBsb2FkIHlvdXIgR1JVQiBvbiBOVk1l IGFuZCBzdWNoIGp1c3QgZmluZS4KCj4gCj4gPiAKPiA+IEtlcm5lbCA2LjE0IGlzIGFsc28gcXVp dGUgYSBiaXQgYmVoaW5kIGFuZCBub3Qgc3VwcG9ydGVkIGJ5IHVwc3RyZWFtLAo+ID4geW91J2xs IGxpa2VseSBoYXZlIGEgYmV0dGVyIGV4cGVyaWVuY2UgY29tcGlsaW5nIGEga2VybmVsIHlvdXJz ZWxmCj4gPiB1c2luZyBkZWZjb25maWcgYXMgdGhlIGJhc2UuIEFMQVJNIGxpa2VzIHRvIHJvbGwg ZGljZSB3aGVuIGl0IGNvbWVzIHRvCj4gPiB0aGVpciBrZXJuZWwgY29uZmlnIGFuZCB0aGVuIG5v dCB1cGRhdGUgdGhlaXIga2VybmVscyBmb3IgaGFsZiBhIHllYXIuCj4gCj4gVGhhbmtmdWxseSB0 aGUgbGF0ZXN0IG9uZSBpcyA2LjE1LjYsIGFuZCB1bmZvcnR1bmF0ZWx5IGl0IGRvZXNuJ3QgbWFr ZSBhIAo+IGRpZmZlcmVuY2UuCj4gCj4gSSdtIGZpbmUgY29tcGlsaW5nIGtlcm5lbHMgZm9yIG15 IFZNcyB0byBydW4gdGVzdHMsIGJ1dCBmb3IgdGhlIGhvc3QgSSdkIAo+IGxlYXZlIHRoaXMgYXMg dGhlIGxhc3QgcmVzb3J0IG1ldGhvZC4KPiAKPiBJJ2xsIHRyeSB0aGUgVWJvb3QgaWYgcmVxdWly ZWQsIGJ1dCBubyBwcmUtY29tcGlsZWQgdXBzdHJlYW0gb25lIGlzIG5vdCAKPiByZWFsbHkgaW52 aXRpbmcgZW5kIHVzZXJzLgoKQ29sbGFib3JhIGhhcyBiZWVuIHByb3ZpZGluZyBmdWxsIG1haW5s aW5lIGJhc2VkIFJPQ0sgNUIgaW1hZ2VzIGZvciBhCmxvbmcgdGltZTogaHR0cHM6Ly9naXRsYWIu Y29sbGFib3JhLmNvbS9oYXJkd2FyZS1lbmFibGVtZW50L3JvY2tjaGlwLTM1ODgvZGViaWFuLWlt YWdlLXJlY2lwZXMKClRoaXMgaW5jbHVkZXMgZ2l0bGFiIHBpcGVsaW5lcyBmb3IgdGhlIG1haW5s aW5lLWJhc2VkIHUtYm9vdCB3ZSBzaGlwCmluIG91ciBpbWFnZXM6IGh0dHBzOi8vZ2l0bGFiLmNv bGxhYm9yYS5jb20vaGFyZHdhcmUtZW5hYmxlbWVudC9yb2NrY2hpcC0zNTg4L3UtYm9vdC8tL2pv YnMKCkknbSBub3Qgc3VyZSB3aHkgeW91J3JlIG9uIHRoZSBMaW51eCBrZXJuZWwgbWFpbGluZyBs aXN0IGNvbXBsYWluaW5nIG9mCmEgbGFjayBvZiBwcmUtY29tcGlsZWQgYmluYXJpZXMgdGhvdWdo LCBpdCdzIG5vdCBsaWtlIGtlcm5lbC5vcmcKZGlzdHJpYnV0ZXMgYW55IGJpbmFyaWVzIGVpdGhl ci4gQ29tcGlsaW5nIHUtYm9vdCBpcyBmYWlybHkgZWFzeSwgc2VlCmh0dHBzOi8vZG9jcy51LWJv b3Qub3JnL2VuL2xhdGVzdC9idWlsZC9nY2MuaHRtbCBmb3IgYSBnZW5lcmFsIG92ZXJ2aWV3Cmlu Y2x1ZGluZyBidWlsZCBkZXBlbmRlbmNpZXMuCgoxLiBmZXRjaCB0Zi1hIGh0dHBzOi8vcmV2aWV3 LnRydXN0ZWRmaXJtd2FyZS5vcmcvVEYtQS90cnVzdGVkLWZpcm13YXJlLWEuZ2l0CjIuIGNvbXBp bGUgaXQgd2l0aCBtYWtlIEFSQ0g9YWFyY2g2NCBDUk9TU19DT01QSUxFPWFhcmNoNjQtbGludXgt Z251LSBFPTAgUExBVD1yazM1ODgKMy4gZmV0Y2ggcmtiaW4gaHR0cHM6Ly9naXRodWIuY29tL3Jv Y2tjaGlwLWxpbnV4L3JrYmluLwo0LiBmZXRjaCB1LWJvb3QgaHR0cHM6Ly9zb3VyY2UuZGVueC5k ZS91LWJvb3QvdS1ib290Ly0vdHJlZS9tYXN0ZXIKNS4gZXhwb3J0IEJMMzE9cGF0aC90by90Zi1h L2J1aWxkL3JlbGVhc2UvcmszNTg4L2JsMzEuZWxmCjYuIGV4cG9ydCBST0NLQ0hJUF9UUEw9cGF0 aC90by9ya2Jpbi9iaW4vcmszNS9yazM1ODhfZGRyX2xwNF8yMTEyTUh6X2xwNV8yNDAwTUh6X3Yx LjE4LmJpbgo3LiBpbiB0aGUgdS1ib290IGRpciwgcnVuIG1ha2UgQVJDSD1hcm02NCBDUk9TU19D T01QSUxFPWFhcmNoNjQtbGludXgtZ251LSByb2NrNWItcmszNTg4X2RlZmNvbmZpZwo4LiB0aGVu IGFnYWluIGluIHRoZSB1LWJvb3QgZGlyLCBydW4gbWFrZSAtaiQobnByb2MpIEFSQ0g9YXJtNjQg Q1JPU1NfQ09NUElMRT1hYXJjaDY0LWxpbnV4LWdudS0KOS4gZmxhc2ggdGhlIHJlc3VsdGluZyBg dS1ib290LXJvY2tjaGlwLXNwaS5iaW5gIHRvIG9mZnNldCAwIG9mIHlvdXIgZGV2aWNlJ3MgU1BJ IGZsYXNoLAogICBvciBhbHRlcm5hdGl2ZWx5LCBmbGFzaCBgdS1ib290LXJvY2tjaGlwLmJpbmAg dG8gYnl0ZSBvZmZzZXQgMzI3Njggb2YgYW4gZU1NQyBmbGFzaCBvciBTRCBjYXJkLgoKCgpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpMaW51eC1yb2NrY2hp cCBtYWlsaW5nIGxpc3QKTGludXgtcm9ja2NoaXBAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8v bGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LXJvY2tjaGlwCg==