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Wed, 16 Aug 2023 05:34:50 -0700 (PDT) Received: from [192.168.0.107] ([79.115.63.44]) by smtp.gmail.com with ESMTPSA id y18-20020aa7ccd2000000b005227e53cec2sm8278663edt.50.2023.08.16.05.34.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 16 Aug 2023 05:34:49 -0700 (PDT) Message-ID: <0011a25a-e096-73ac-9800-9d8e35efdc8b@linaro.org> Date: Wed, 16 Aug 2023 13:34:47 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.1 Subject: Re: [PATCH v2,1/2] mtd: spi-nor: giga: gd25lq64c: Disable quad mode according to bus width Content-Language: en-US To: Michael Walle Cc: Hsin-Yi Wang , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , Bjorn Andersson , Pratyush Yadav , "Miquel Raynal )" , "Richard Weinberger )" , "Vignesh Raghavendra )" , Rob Herring , linux-mtd@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, AngeloGioacchino Del Regno , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, cros-qcom-dts-watchers@chromium.org, Andy Gross , Konrad Dybcio References: <20230816104245.2676965-1-hsinyi@chromium.org> <6702bac712daab13698b9bb9ad81d49e@walle.cc> <5911201a-f703-abbd-3c7b-769f70df08a8@linaro.org> <80ec748f37f40ae5c3c3c5d1602681b3@walle.cc> From: Tudor Ambarus In-Reply-To: <80ec748f37f40ae5c3c3c5d1602681b3@walle.cc> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230816_053452_340307_4F525FE8 X-CRM114-Status: GOOD ( 24.31 ) 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 CgpPbiA4LzE2LzIzIDEzOjIyLCBNaWNoYWVsIFdhbGxlIHdyb3RlOgo+IEhpLAo+IAo+Pj4gbGlr ZSBhIGZ1bmRhbWVudGFsIHByb2JsZW0gYW5kIHRoYXQgY29tbWl0IDM5ZDFlMzM0MGM3MyAoIm10 ZDogc3BpLW5vcjoKPj4+IEZpeCBjbGVhcmluZyBvZiBRRSBiaXQgb24gbG9jaygpL3VubG9jaygp IikgaXMgYnJva2VuIGluIHRoYXQgcmVnYXJkLgo+Pgo+PiB3aGF0J3Mgd3Jvbmcgd2l0aCB0aGUg bWVudGlvbmVkIGNvbW1pdD8KPiAKPiDCoMKgwqDCoMKgwqDCoCB9IGVsc2UgaWYgKG5vci0+cGFy YW1zLT5xdWFkX2VuYWJsZSkgewo+IMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCAvKgo+ IMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgICogSWYgdGhlIFN0YXR1cyBSZWdpc3Rl ciAyIFJlYWQgY29tbWFuZCAoMzVoKSBpcyBub3QKPiDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoCAqIHN1cHBvcnRlZCwgd2Ugc2hvdWxkIGF0IGxlYXN0IGJlIHN1cmUgd2UgZG9uJ3QK PiDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCAqIGNoYW5nZSB0aGUgdmFsdWUgb2Yg dGhlIFNSMiBRdWFkIEVuYWJsZSBiaXQuCj4gwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqAgKgo+IMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgICogV2UgY2FuIHNhZmVseSBh c3N1bWUgdGhhdCB3aGVuIHRoZSBRdWFkIEVuYWJsZSBtZXRob2QgaXMKPiDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoCAqIHNldCwgdGhlIHZhbHVlIG9mIHRoZSBRRSBiaXQgaXMgb25l LCBhcyBhIGNvbnNlcXVlbmNlIG9mIHRoZQo+IMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgICogbm9yLT5wYXJhbXMtPnF1YWRfZW5hYmxlKCkgY2FsbC4KPiDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoCAqCj4gwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgKiBX ZSBjYW4gc2FmZWx5IGFzc3VtZSB0aGF0IHRoZSBRdWFkIEVuYWJsZSBiaXQgaXMgcHJlc2VudCBp bgo+IMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgICogdGhlIFN0YXR1cyBSZWdpc3Rl ciAyIGF0IEJJVCgxKS4gQWNjb3JkaW5nIHRvIHRoZSBKRVNEMjE2Cj4gwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqAgKiByZXZCIHN0YW5kYXJkLCBCRlBUIERXT1JEU1sxNV0sIGJpdHMg MjI6MjAsIHRoZSAxNi1iaXQKPiDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCAqIFdy aXRlIFN0YXR1cyAoMDFoKSBjb21tYW5kIGlzIGF2YWlsYWJsZSBqdXN0IGZvciB0aGUgY2FzZXMK PiDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCAqIGluIHdoaWNoIHRoZSBRRSBiaXQg aXMgZGVzY3JpYmVkIGluIFNSMiBhdCBCSVQoMSkuCj4gwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqAgKi8KPiDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgc3JfY3JbMV0gPSBT UjJfUVVBRF9FTl9CSVQxOwo+IMKgwqDCoMKgwqDCoMKgIH0gZWxzZSB7Cj4gwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgIHNyX2NyWzFdID0gMDsKPiDCoMKgwqDCoMKgwqDCoCB9Cj4gCj4g IldlIGNhbiBzYWZlbHkgYXNzdW1lIHRoYXQgd2hlbiB0aGUgUXVhZCBFbmFibGUgbWV0aG9kLi4i LiBXZSBjYW5ub3QsIGlmIHdlCj4gZG9uJ3QgaGF2ZSA0IEkvTyBsaW5lcy4gVGhlIHF1YWRfZW5h YmxlIGlzIGp1c3QgdGhlIG9wIGhvdyB0byBkbyBpdCwgYnV0IG5vdAo+ICppZiogY2FuIGRvIGl0 LiBJdCBzZWVtcyB0byBiZSBtaXNzaW5nIHRoZSBzYW1lIGNoZWNrIGFzIHRoZQo+IHNwaV9ub3Jf cXVhZF9lbmFibGUoKS4gQnV0IEknbSBub3Qgc3VyZSBpZiBpdCdzIHRoYXQgc2ltcGxlLgo+IAoK SSBzZWUuIFRoZW4gZXh0ZW5kaW5nIHRoZSBpZiBjb25kaXRpb24gc2hvdWxkIGRvIHRoZSB0cmlj aywgYXMKc3BpX25vcl93cml0ZV8xNmJpdF9zcl9hbmRfY2hlY2soKSBpcyBjYWxsZWQgYWZ0ZXIg c2V0dXAuIFNvbWV0aGluZwpsaWtlOgoKaWYgKHNwaV9ub3JfZ2V0X3Byb3RvY29sX3dpZHRoKG5v ci0+cmVhZF9wcm90bykgPT0gNCAmJgogICAgc3BpX25vcl9nZXRfcHJvdG9jb2xfd2lkdGgobm9y LT53cml0ZV9wcm90bykgPT0gNCAmJgogICAgbm9yLT5wYXJhbXMtPnF1YWRfZW5hYmxlKQoKSXMg dGhpcyB3aGF0IEhzaW4tWWkgaXMgaGl0dGluZz8KCl9fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4 LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9y Zy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK