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bh=nrBMdXAOCQg8QIx9ZbL+1R9dDHzRihoqAIVz8o6m+94=; b=1/ujRBHJ0In595xAmbixqbLIdGXmia955z0CYhdfO5u+aQy21xOCXYxLhZhddIlOtY/XOh f5sSdEXT0TDbrg7ROPlutjA/e5hvMXLBlX01Yj1KPWHhLSQowdpuc0botuU71uN4Mq45gf J7Ugig0lx76xfH/pu9X55m5kLxOPrWKGlLYzBJWXHFwXmnSpYsZ568OWlDUhJuIsWGkagW l3qJRUQ+E2SJj1SPxZPWOEivSB04Ed35yPajlJGQkZdkAGCdv/Otq3kbWmlinCZ+tJjRC4 DKJyzn5wLgSXNi3VISI3lLUJdFricArljU/ovbQJAmAzypScr7I3h016b9tqfg== From: Miquel Raynal To: haibo.chen@oss.nxp.com Cc: Pratyush Yadav , Michael Walle , Takahiro Kuwano , Richard Weinberger , Vignesh Raghavendra , linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, michael@walle.cc, imx@lists.linux.dev, Haibo Chen Subject: Re: [PATCH] mtd: spi-nor: do not issue the legacy RDCR (0x35) in 8D-8D-8D mode In-Reply-To: <20260928-spi-nor-fix-v1-1-ce65ba90cfbd@nxp.com> (haibo chen's message of "Mon, 28 Sep 2026 20:34:40 +0800") References: <20260928-spi-nor-fix-v1-1-ce65ba90cfbd@nxp.com> User-Agent: mu4e 1.12.12; emacs 30.2 Date: Mon, 28 Sep 2026 15:01:05 +0200 Message-ID: <87v77p7coe.fsf@bootlin.com> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260928_060123_237628_8904539C X-CRM114-Status: GOOD ( 12.05 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org SGkgSGFpYm8sCgo+ICsJLyoKPiArCSAqIFJEQ1IgKDB4MzUpIGlzIHRoZSBsZWdhY3kgc2luZ2xl LWJ5dGUgInJlYWQgU1IyL2NvbmZpZ3VyYXRpb24KPiArCSAqIHJlZ2lzdGVyIiBvcGNvZGUgYW5k IGlzIG9ubHkgbWVhbmluZ2Z1bCBpbiB0aGUgKHgpU1RSIHByb3RvY29scy4gSW4KPiArCSAqIDhE LThELThEIChPUEkvRE9QSSkgbW9kZSBmbGFzaGVzIGV4cG9zZSB0aGVpciBzZWNvbmQgc3RhdHVz IG9yCj4gKwkgKiBjb25maWd1cmF0aW9uIHJlZ2lzdGVyIHRocm91Z2ggYSB2ZW5kb3Itc3BlY2lm aWMgaW5kaXJlY3QgcmVnaXN0ZXIKPiArCSAqIHNwYWNlLCBvciBkbyBub3QgZXhwb3NlIGl0IGF0 IGFsbCwgc28gaXNzdWluZyBhIGJhcmUgMHgzNSBpcyBhbgo+ICsJICogdW5zdXBwb3J0ZWQgY29t bWFuZDogdGhlIGZsYXNoIGRyaXZlcyBubyBkYXRhIGFuZCB0aGUgY29udHJvbGxlcgo+ICsJICog cmVhZCB0aW1lcyBvdXQuIFVubGVzcyBhIG1hbnVmYWN0dXJlciBkcml2ZXIgaW5zdGFsbGVkIGEg ZGVkaWNhdGVkCj4gKwkgKiA4RC1jYXBhYmxlIHJlYWRfc3IyIG9wY29kZSAoaS5lLiBzb21ldGhp bmcgb3RoZXIgdGhhbiB0aGUgZGVmYXVsdAo+ICsJICogUkRDUiksIHNraXAgdGhlIFNSMiByZWFk IGluIDhEIG1vZGUuCj4gKwkgKi8KPiArCWlmIChub3ItPnJlZ19wcm90byA9PSBTTk9SX1BST1RP XzhfOF84X0RUUiAmJgo+ICsJICAgIHBhcmFtcy0+b3Bjb2Rlcy5yZWFkX3NyMiA9PSBTUElOT1Jf T1BfUkRDUikKPiArCQlyZXR1cm4gLUVPUE5PVFNVUFA7CgpJIGJlbGlldmUgdGhpcyBpcyBub3Qg dGhlIGNvcnJlY3Qgc29sdXRpb24uIFRoZSBjb3JyZWN0IHNvbHV0aW9uIHdvdWxkCmJlIHRvIGNs ZWFyIG9wY29kZXMucmVhZF9zcjIgZm9yIE9EVFIgZmxhc2hlcyBieSBkZWZhdWx0IChpZiB0aGF0 J3MKcmVhbGx5IGEgZGVmYXVsdD8pIGFuZCB0aGVuIGhhbmRsZSB0aGUgcmVhZF9zcjIoKSBlcnJv ciBjb3JyZWN0bHkgaW4gdGhlCmRlYnVnZnMgY2FjaGluZy4KCkFsc28gcGxlYXNlIHRlbGwgeW91 ciBMTE0gbm90IHRvIHB1dCBodWdlIGNvbW1lbnRzIGxpa2UgdGhhdCB0byBleHBsYWluCndoYXQg aXMgYWxyZWFkeSBpbiB0aGUgY29tbWl0IGxvZy4KClRoYW5rcywKTWlxdcOobAoKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkxpbnV4IE1URCBk aXNjdXNzaW9uIG1haWxpbmcgbGlzdApodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFu L2xpc3RpbmZvL2xpbnV4LW10ZC8K