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bh=yot0d5/bHGrsIZR1cYh+Nq5eBvh863Ov45/WQoG5A+I=; b=WohuC0LWq+fsvqCaFfYbPMIUZjdkl4ni6kJn+6pymnaxBeI8a3Wm3fdE5xcBwBgCKrDc4g q4m9BGEFQVGBQ2ODCBNgJ9YfJvpNgigl2B3BEazFHA9brmWrq9mV1lDf16pN/WTrAM1oR2 LbvcT3fGgoYGEW0864QEFu/LMR8/Yx1qCB+oFZveftQRSmBfHF+VbrrP0Sm3xp/nOEudO7 FrdQQ8tyf6eoWwTQryCx1Wkl2y9U0UoTMIRmBr2EQKK0GZ80hjoMyODQipkiJbwx8FWSlS LgbWm9zDdRZc9hPncaxqCwAWLb5lCnlAA0RCyOkCkoz88WAsWpE14XnR0g7luQ== From: Miquel Raynal To: "Jakub \"Kuba\" Czapiga" Cc: Tudor Ambarus , Pratyush Yadav , Michael Walle , Richard Weinberger , Vignesh Raghavendra , linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, Konrad Adamczyk , Adeel Arshad , Mika Westerberg Subject: Re: [PATCH] mtd: spi-nor: core: Check read CR support In-Reply-To: (Jakub Czapiga's message of "Wed, 10 Sep 2025 16:30:43 +0200") References: <20250910103355.629421-1-czapiga@google.com> <87frcucy3p.fsf@bootlin.com> User-Agent: mu4e 1.12.7; emacs 30.1 Date: Wed, 10 Sep 2025 16:45:28 +0200 Message-ID: <87a532cqnr.fsf@bootlin.com> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250910_074541_700174_FCAA3A5B X-CRM114-Status: GOOD ( 15.97 ) 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 SGVsbG8sCgpPbiAxMC8wOS8yMDI1IGF0IDE2OjMwOjQzICswMiwgIkpha3ViIFwiS3ViYVwiIEN6 YXBpZ2EiIDxjemFwaWdhQGdvb2dsZS5jb20+IHdyb3RlOgoKPiBIaSBNaXF1w6hsLAo+Cj4gT24g V2VkLCBTZXAgMTAsIDIwMjUgYXQgMjowNeKAr1BNIE1pcXVlbCBSYXluYWwgPG1pcXVlbC5yYXlu YWxAYm9vdGxpbi5jb20+IHdyb3RlOgo+Pgo+PiBIaSBKYWt1YiwKPj4KPj4gPiBkaWZmIC0tZ2l0 IGEvZHJpdmVycy9tdGQvc3BpLW5vci9jb3JlLmMgYi9kcml2ZXJzL210ZC9zcGktbm9yL2NvcmUu Ywo+PiA+IGluZGV4IGFjNGI5NjAxMDFjYy4uNzlkZWVlM2E1MGQzIDEwMDY0NAo+PiA+IC0tLSBh L2RyaXZlcnMvbXRkL3NwaS1ub3IvY29yZS5jCj4+ID4gKysrIGIvZHJpdmVycy9tdGQvc3BpLW5v ci9jb3JlLmMKPj4gPiBAQCAtMjYwOCw2ICsyNjA4LDEwIEBAIHN0YXRpYyBpbnQgc3BpX25vcl9z ZXR1cChzdHJ1Y3Qgc3BpX25vciAqbm9yLAo+PiA+ICAgICAgICAgICAgICAgfQo+PiA+ICAgICAg IH0KPj4gPgo+PiA+ICsgICAgIC8qIFNvbWUgU1BJIGNvbnRyb2xsZXJzIG1pZ2h0IG5vdCBzdXBw b3J0IENSIHJlYWQgb3Bjb2RlLiAqLwo+PiA+ICsgICAgIGlmIChzcGlfbm9yX3JlYWRfY3Iobm9y LCBub3ItPmJvdW5jZWJ1ZikgPT0gLUVPUE5PVFNVUFApCj4+Cj4+IFRoZXJlIGlzIGEgc3BpX25v cl9zcGltZW1fY2hlY2tfb3AoKSBoZWxwZXIgd2hpY2ggbWlnaHQgYmUgYmV0dGVyIHN1aXRlZAo+ PiBmb3IgdGhpcyBwdXJwb3NlPwo+Cj4gc3BpX25vcl9zcGltZW1fY2hlY2tfb3AoKSB3b3JrcyBv bmx5IGZvciBzcGktbWVtIGRldmljZXMuIHNwaV9ub3JfcmVhZF9jcigpCj4gaGFuZGxlcyBib3Ro IHNwaS1tZW0gYW5kIHNwaS1ub3IgY29udHJvbGxlci4gVXNpbmcgc3BpX25vcl9zcGltZW1fY2hl Y2tfb3AoKQo+IHdvdWxkIHJlcXVpcmUgYWRkaW5nIGEgdmFyaWF0aW9uIG9mIHNwaV9ub3JfcmVh ZF9jcigpIHRoYXQgd291bGQgdXNlCj4gc3BpX25vcl9zcGltZW1fY2hlY2tfb3AoKSBmb3Igc3Bp LW1lbSBhbmQgc3BpX25vcl9jb250cm9sbGVyX29wc19yZWFkX3JlZygpCj4gZm9yIHNwaS1ub3Ig Y29udHJvbGxlci4KPiBBbm90aGVyIHdheSB3b3VsZCBiZSB0byBkbyB0aGlzIGNoZWNrIG9ubHkg Zm9yIHRoZSBzcGktbWVtIGFzIHNwaS1ub3IKPiBjb250cm9sbGVycyBzZWVtIHRvIGJlIGRlcHJl Y2F0ZWQgaW4gZmF2b3VyIG9mIHNwaS1tZW0uCgpJJ2xsIGxldCB0aGF0IGNob2ljZSB0byBTUEkg Tk9SIG1haW50YWluZXJzIGJ1dCB3ZSd2ZSBjb2xsZWN0aXZlbHkgYXNrZWQKdG8gc3dpdGNoIGlu IGZhdm9yIG9mIHRoZSBzcGkgbWVtb3J5IEFQSSBmb3IgcXVpdGUgc29tZSB0aW1lLCBJIHdvdWxk Cm5vdCBjYXJlIHRvbyBtdWNoIGFib3V0IGNvbXBhdGliaWxpdHkgd2l0aCB0aGUgdHdvIHJlbWFp bmluZyBjb250cm9sbGVycwp0aGF0IGhhdmUgbm90IHlldCBiZWVuIGNvbnZlcnRlZC4KCkJ1dCBo ZXJlIGlzIGEgcHJvcGVyIGlsbHVzdHJhdGlvbiB3aHkgc3BpLW1lbSByb2NrcyBhbmQgd2h5IFNQ SSBOT1IKY29udHJvbGxlcnMsIGJlc2lkZXMgbWFraW5nIG5vIHNlbnNlIChiZWNhdXNlIHdlIGFs c28gaGF2ZSBTUEkgTkFORHMKbm93KSBoYXZlIGEgZmxhY2t5IEFQSSBhcyBvZiB0b2RheSdzIHN0 YW5kYXJkcy4KClRoYW5rcywKTWlxdcOobAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCkxpbnV4IE1URCBkaXNjdXNzaW9uIG1haWxpbmcgbGlz dApodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LW10ZC8K