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[209.85.128.179]) by smtp.gmail.com with ESMTPSA id b13-20020ac844cd000000b003b8484fdfccsm5990418qto.42.2023.03.20.01.01.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 20 Mar 2023 01:01:15 -0700 (PDT) Received: by mail-yw1-f179.google.com with SMTP id 00721157ae682-5416b0ab0ecso209454247b3.6; Mon, 20 Mar 2023 01:01:14 -0700 (PDT) X-Received: by 2002:a81:e508:0:b0:544:5fc7:f01f with SMTP id s8-20020a81e508000000b005445fc7f01fmr9057012ywl.4.1679299274592; Mon, 20 Mar 2023 01:01:14 -0700 (PDT) MIME-Version: 1.0 References: <20230310144721.1544669-1-robh@kernel.org> In-Reply-To: From: Geert Uytterhoeven Date: Mon, 20 Mar 2023 09:01:02 +0100 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH] pinctrl: Use of_property_present() for testing DT property presence To: Linus Walleij Cc: Rob Herring , Sean Wang , Tony Lindgren , Haojian Zhuang , Maxime Coquelin , Alexandre Torgue , Geert Uytterhoeven , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Matthias Brugger , AngeloGioacchino Del Regno , devicetree@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-renesas-soc@vger.kernel.org, linux-sunxi@lists.linux.dev X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230320_010121_640444_856F7F94 X-CRM114-Status: GOOD ( 34.27 ) 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 SGkgTGludXMsCgpPbiBTdW4sIE1hciAxOSwgMjAyMyBhdCA5OjU14oCvUE0gTGludXMgV2FsbGVp aiA8bGludXMud2FsbGVpakBsaW5hcm8ub3JnPiB3cm90ZToKPiBPbiBNb24sIE1hciAxMywgMjAy MyBhdCAxMjowMOKAr1BNIEdlZXJ0IFV5dHRlcmhvZXZlbgo+IDxnZWVydEBsaW51eC1tNjhrLm9y Zz4gd3JvdGU6Cj4gPiBPbiBNb24sIE1hciAxMywgMjAyMyBhdCAxMDowMOKAr0FNIEdlZXJ0IFV5 dHRlcmhvZXZlbgo+ID4gPGdlZXJ0QGxpbnV4LW02OGsub3JnPiB3cm90ZToKPiA+ID4gT24gRnJp LCBNYXIgMTAsIDIwMjMgYXQgMzo1NuKAr1BNIFJvYiBIZXJyaW5nIDxyb2JoQGtlcm5lbC5vcmc+ IHdyb3RlOgo+ID4gPiA+IEl0IGlzIHByZWZlcnJlZCB0byB1c2UgdHlwZWQgcHJvcGVydHkgYWNj ZXNzIGZ1bmN0aW9ucyAoaS5lLgo+ID4gPiA+IG9mX3Byb3BlcnR5X3JlYWRfPHR5cGU+IGZ1bmN0 aW9ucykgcmF0aGVyIHRoYW4gbG93LWxldmVsCj4gPiA+ID4gb2ZfZ2V0X3Byb3BlcnR5L29mX2Zp bmRfcHJvcGVydHkgZnVuY3Rpb25zIGZvciByZWFkaW5nIHByb3BlcnRpZXMuIEFzCj4gPiA+ID4g cGFydCBvZiB0aGlzLCBjb252ZXJ0IG9mX2dldF9wcm9wZXJ0eS9vZl9maW5kX3Byb3BlcnR5IGNh bGxzIHRvIHRoZQo+ID4gPiA+IHJlY2VudGx5IGFkZGVkIG9mX3Byb3BlcnR5X3ByZXNlbnQoKSBo ZWxwZXIgd2hlbiB3ZSBqdXN0IHdhbnQgdG8gdGVzdAo+ID4gPiA+IGZvciBwcmVzZW5jZSBvZiBh IHByb3BlcnR5IGFuZCBub3RoaW5nIG1vcmUuCj4gPiA+ID4KPiA+ID4gPiBTaWduZWQtb2ZmLWJ5 OiBSb2IgSGVycmluZyA8cm9iaEBrZXJuZWwub3JnPgo+ID4gPgo+ID4gPiBUaGFua3MgZm9yIHlv dXIgcGF0Y2ghCj4gPiA+Cj4gPiA+ID4gLS0tIGEvZHJpdmVycy9waW5jdHJsL3JlbmVzYXMvcGlu Y3RybC5jCj4gPiA+ID4gKysrIGIvZHJpdmVycy9waW5jdHJsL3JlbmVzYXMvcGluY3RybC5jCj4g PiA+ID4gQEAgLTEyNSw4ICsxMjUsOCBAQCBzdGF0aWMgaW50IHNoX3BmY19kdF9zdWJub2RlX3Rv X21hcChzdHJ1Y3QgcGluY3RybF9kZXYgKnBjdGxkZXYsCj4gPiA+ID4gICAgICAgICAgKiBpbnNp ZGUgYSBzdWJub2RlIG5vciBhY3Jvc3Mgc3Vibm9kZXMuCj4gPiA+ID4gICAgICAgICAgKi8KPiA+ ID4gPiAgICAgICAgIGlmICghcG14LT5mdW5jX3Byb3BfbmFtZSkgewo+ID4gPiA+IC0gICAgICAg ICAgICAgICBpZiAob2ZfZmluZF9wcm9wZXJ0eShucCwgImdyb3VwcyIsIE5VTEwpIHx8Cj4gPiA+ ID4gLSAgICAgICAgICAgICAgICAgICBvZl9maW5kX3Byb3BlcnR5KG5wLCAicGlucyIsIE5VTEwp KSB7Cj4gPiA+ID4gKyAgICAgICAgICAgICAgIGlmIChvZl9wcm9wZXJ0eV9wcmVzZW50KG5wLCAi Z3JvdXBzIil8fAo+ID4gPiA+ICsgICAgICAgICAgICAgICAgICAgb2ZfcHJvcGVydHlfcHJlc2Vu dChucCwgInBpbnMiKSkgewo+ID4gPiA+ICAgICAgICAgICAgICAgICAgICAgICAgIHBteC0+ZnVu Y19wcm9wX25hbWUgPSAiZnVuY3Rpb24iOwo+ID4gPiA+ICAgICAgICAgICAgICAgICAgICAgICAg IHBteC0+Z3JvdXBzX3Byb3BfbmFtZSA9ICJncm91cHMiOwo+ID4gPiA+ICAgICAgICAgICAgICAg ICAgICAgICAgIHBteC0+cGluc19wcm9wX25hbWUgPSAicGlucyI7Cj4gPiA+Cj4gPiA+IFJldmll d2VkLWJ5OiBHZWVydCBVeXR0ZXJob2V2ZW4gPGdlZXJ0K3JlbmVzYXNAZ2xpZGVyLmJlPgo+ID4g Pgo+ID4gPiBUaGlzIGNoZWNrIGlzIHVzZWQgdG8gYXV0by1kZXRlY3QgaWYgdGhlIHN0YW5kYXJk IHByb3BlcnR5IG5hbWVzCj4gPiA+IHNob3VsZCBiZSB1c2VkLCBvciB0aGUgInJlbmVzYXMsIi1w cmVmaXhlZCBvbmVzLgo+ID4gPiBBcyB0aGUgbGFzdCB1c2VycyBvZiB0aGUgbGF0dGVyIHdlcmUg cmVtb3ZlZCBmcm9tIERUUyBpbiB2NC4xMCwKPiA+ID4gcGVyaGFwcyBJIHNob3VsZCBqdXN0IHJl bW92ZSB0aGVzZSBjaGVja3MgaW5zdGVhZD8KPiA+Cj4gPiBTZW50IGEgcGF0Y2gganVzdCBkb2lu ZyB0aGF0LCBzbyB5b3UgY2FuIGRyb3AgdGhpcyBjaHVuay4KPiA+IGh0dHBzOi8vbG9yZS5rZXJu ZWwub3JnL2xpbnV4LXJlbmVzYXMtc29jL2ZmOWMxNDc4MTExMGJiZjE5YjU2YjQ1ZGQxZjAxZTZk YTkwMzE5YWQuMTY3ODcwNDQ0MS5naXQuZ2VlcnQrcmVuZXNhc0BnbGlkZXIuYmUKPgo+IFNvIEkg bmVlZCBhIG5ldyB2ZXJzaW9uIG9mIHRoaXMgcGF0Y2ggYmVmb3JlIEkgY2FuIGFwcGx5IGl0Cj4g SSBndWVzcywgb3IgdGhlcmUgd2lsbCBiZSBjb25mbGljdCB3aXRoIFJlc2VhcyBzdHVmZj8KCkl0 IHdvdWxkIGJlIGEgbWlub3IgY29uZmxpY3QsIHRob3VnaCwgYW5kIHlvdSB3b3VsZCBoYXZlIHRv IHJlc29sdmUKdGhhdCB5b3Vyc2VsZiwgd2hlbiBtZXJnaW5nIG15IHJlbmVzYXMtcGluY3RybCBQ Ui4gIFNvIHdoZW4geW91CndpbGwgc2VuZCBhIFBSIHRvIFRoZSBPdGhlciBMaW51cywgdGhlcmUg d29uJ3QgYmUgYSBjb25mbGljdCBhbnltb3JlLAphbmQgbm8gYW5ncmluZXNzIDstKQoKVGhhbmtz IQoKR3J7b2V0amUsZWV0aW5nfXMsCgogICAgICAgICAgICAgICAgICAgICAgICBHZWVydAoKLS0g CkdlZXJ0IFV5dHRlcmhvZXZlbiAtLSBUaGVyZSdzIGxvdHMgb2YgTGludXggYmV5b25kIGlhMzIg LS0gZ2VlcnRAbGludXgtbTY4ay5vcmcKCkluIHBlcnNvbmFsIGNvbnZlcnNhdGlvbnMgd2l0aCB0 ZWNobmljYWwgcGVvcGxlLCBJIGNhbGwgbXlzZWxmIGEgaGFja2VyLiBCdXQKd2hlbiBJJ20gdGFs a2luZyB0byBqb3VybmFsaXN0cyBJIGp1c3Qgc2F5ICJwcm9ncmFtbWVyIiBvciBzb21ldGhpbmcg bGlrZSB0aGF0LgogICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIC0tIExpbnVzIFRvcnZh bGRzCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51 eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVh ZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1h cm0ta2VybmVsCg==