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bh=CJpI4CzMT+8wAw7NoB3I1or94sKydUL6L2mKBp4EKXQ=; b=DIRrlmuxStj9KBs0JSi48AC0JrPQE/twnav1z4XLSjIajztm7yy1shy7cUOhMQ8NpBPH/S 1jUK1LKuD3yf2gIauHb/jkxUxTR08HfXpL90lpkhhoo82vyYX4A5KpXkWtVXa4jn1ZLLqH e0DhknVWndP/8vboFIjB/Rmc/cCcw4injCAM3z7AEMo2jfpkntYNskpCL+H/VnCD6MrNA5 dwlivWKG6ljsxB0F5daCKxB9oDMODMFj/fXsiUHoUb4j5EoP9ri4gfaBrHHXOPrNktSBU8 PYzgr3WrXPXDGhR9o89XHqP456EgMXfxf2dXndriUSA72RkSbNO45KkU8/Q87w== From: Miquel Raynal To: Santhosh Kumar K Cc: , , , , , , , , , , , , , , , Subject: Re: [PATCH v3 09/13] spi: cadence-quadspi: reject 2-byte-address DDR ops on PHY-tunable hardware In-Reply-To: <20260527175527.2247679-10-s-k6@ti.com> (Santhosh Kumar K.'s message of "Wed, 27 May 2026 23:25:23 +0530") References: <20260527175527.2247679-1-s-k6@ti.com> <20260527175527.2247679-10-s-k6@ti.com> User-Agent: mu4e 1.12.7; emacs 30.2 Date: Thu, 28 May 2026 11:01:19 +0200 Message-ID: <87y0h3gb6o.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-20260528_020128_330045_56E4FCFE X-CRM114-Status: GOOD ( 18.46 ) 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 T24gMjcvMDUvMjAyNiBhdCAyMzoyNToyMyArMDUzMCwgU2FudGhvc2ggS3VtYXIgSyA8cy1rNkB0 aS5jb20+IHdyb3RlOgoKPiBFcnJhdHVtIGkyMzgzIGFmZmVjdHMgdGhlIEFNNjU0IE9TUEkgY29u dHJvbGxlcjogaW4gUEhZIEREUiBtb2RlLAo+IG9wZXJhdGlvbnMgd2l0aCBhIDItYnl0ZSBhZGRy ZXNzIGNhdXNlIGFuIGludGVybmFsIHN0YXRlIG1hY2hpbmUgdG8KPiBtaXMtY29tcGFyZSB0aGUg dHJhbnNtaXR0ZWQgYWRkcmVzcyBieXRlIGNvdW50IGFnYWluc3QgMSBpbnN0ZWFkIG9mIDIsCj4g bG9ja2luZyB1cCB0aGUgYWRkcmVzcyBwaGFzZS4gWzBdCj4KPiBBZGQgYSBDUVNQSV9OT18yQllU RV9BRERSX1BIWV9ERFIgcXVpcmsgZmxhZyBhbmQgc2V0IGl0IG9uIHRoZSBhbTY1NF9vc3BpCj4g cGxhdGZvcm0gZGF0YS4gSW4gY3FzcGlfc3VwcG9ydHNfbWVtX29wKCksIHdoZW4gYSBjb250cm9s bGVyIGNhcnJpZXMgdGhpcwo+IHF1aXJrIGFuZCBoYXMgUEhZIHR1bmluZyBzdXBwb3J0LCByZWpl Y3QgRERSIG9wZXJhdGlvbnMgdGhhdCB1c2UgMi1ieXRlCj4gYWRkcmVzc2luZy4KPgo+IFswXSBo dHRwczovL3d3dy50aS5jb20vbGl0L2VyL3Nwcno1NDRjL3Nwcno1NDRjLnBkZgo+Cj4gU2lnbmVk LW9mZi1ieTogU2FudGhvc2ggS3VtYXIgSyA8cy1rNkB0aS5jb20+Cj4gLS0tCj4gIGRyaXZlcnMv c3BpL3NwaS1jYWRlbmNlLXF1YWRzcGkuYyB8IDE1ICsrKysrKysrKysrKysrLQo+ICAxIGZpbGUg Y2hhbmdlZCwgMTQgaW5zZXJ0aW9ucygrKSwgMSBkZWxldGlvbigtKQo+Cj4gZGlmZiAtLWdpdCBh L2RyaXZlcnMvc3BpL3NwaS1jYWRlbmNlLXF1YWRzcGkuYyBiL2RyaXZlcnMvc3BpL3NwaS1jYWRl bmNlLXF1YWRzcGkuYwo+IGluZGV4IDUwOGJjNWJjNGFiNS4uNzIyMDhkMzc2MzA1IDEwMDY0NAo+ IC0tLSBhL2RyaXZlcnMvc3BpL3NwaS1jYWRlbmNlLXF1YWRzcGkuYwo+ICsrKyBiL2RyaXZlcnMv c3BpL3NwaS1jYWRlbmNlLXF1YWRzcGkuYwo+IEBAIC00OSw2ICs0OSw3IEBAIHN0YXRpY19hc3Nl cnQoQ1FTUElfTUFYX0NISVBTRUxFQ1QgPD0gU1BJX0RFVklDRV9DU19DTlRfTUFYKTsKPiAgI2Rl ZmluZSBDUVNQSV9ESVNBQkxFX1JVTlRJTUVfUE0JQklUKDEwKQo+ICAjZGVmaW5lIENRU1BJX05P X0lORElSRUNUX01PREUJCUJJVCgxMSkKPiAgI2RlZmluZSBDUVNQSV9IQVNfV1JfUFJPVEVDVAkJ QklUKDEyKQo+ICsjZGVmaW5lIENRU1BJX05PXzJCWVRFX0FERFJfUEhZX0REUglCSVQoMTMpCj4g IAo+ICAvKiBDYXBhYmlsaXRpZXMgKi8KPiAgI2RlZmluZSBDUVNQSV9TVVBQT1JUU19PQ1RBTAkJ QklUKDApCj4gQEAgLTE2MjcsNiArMTYyOCwxOCBAQCBzdGF0aWMgYm9vbCBjcXNwaV9zdXBwb3J0 c19tZW1fb3Aoc3RydWN0IHNwaV9tZW0gKm1lbSwKPiAgCQlpZiAob3AtPmRhdGEubmJ5dGVzICYm IG9wLT5kYXRhLmJ1c3dpZHRoICE9IDgpCj4gIAkJCXJldHVybiBmYWxzZTsKPiAgCj4gKwkJLyoK PiArCQkgKiBFcnJhdHVtIGkyMzgzOiBJbiBQSFkgRERSIG1vZGUsIDItYnl0ZSBhZGRyZXNzaW5n IGNhdXNlcyBhbgo+ICsJCSAqIGludGVybmFsIHN0YXRlIG1hY2hpbmUgdG8gbWlzLWNvbXBhcmUg dGhlIHRyYW5zbWl0dGVkCj4gKwkJICogYWRkcmVzcyBieXRlIGNvdW50IGFnYWluc3QgMSBpbnN0 ZWFkIG9mIDIsIGxvY2tpbmcgdXAgdGhlCj4gKwkJICogYWRkcmVzcyBwaGFzZS4gUmVqZWN0IHN1 Y2ggb3BzIG9uIGNvbnRyb2xsZXJzIHRoYXQgbmVlZCBpdC4KPiArCQkgKi8KPiArCQlpZiAoY3Fz cGktPmRkYXRhICYmCj4gKwkJICAgIChjcXNwaS0+ZGRhdGEtPnF1aXJrcyAmIENRU1BJX05PXzJC WVRFX0FERFJfUEhZX0REUikpIHsKPiArCQkJaWYgKG9wLT5hZGRyLm5ieXRlcyA9PSAyICYmIGNx c3BpLT5kZGF0YS0+ZXhlY3V0ZV90dW5pbmcpCj4gKwkJCQlyZXR1cm4gZmFsc2U7Cj4gKwkJfQoK SSBkb24ndCB0aGluayB0aGlzIGlzIGEgdmFsaWQgYXBwcm9hY2guIFdoYXQgd2Ugd2FudCBpcyB0 byBwcmV2ZW50CnR1bmluZyBpbiBvY3RhbCBEVFIgbW9kZSB3aXRoIDIgYnl0ZXMgYWRkcmVzc2lu ZywgaW5zdGVhZCBvZiBwcmV2ZW50aW5nCnJlYWRzL3dyaXRlcyBpbiBvY3RhbCBEVFIgbW9kZXMg YWZ0ZXIgdHVuaW5nLiBIYXZlIHlvdSB0cmllZCBvbiBhbiBBTTYyQSBMUApTSz8gSSBiZXQgcHJv YmUgZmFpbHMuLgoKVGhlIHF1aXJrIHNob3VsZCBiZSBoYW5kbGVkIGF0IHRoZSBiZWdpbm5pbmcg b2YgdGhlIHR1bmluZyBwcm9jZWR1cmUsIHNvCndlIHNraXAgdHVuaW5nIGVudGlyZWx5IGluIHRo aXMgY2FzZS4KClRoYW5rcywKTWlxdcOobAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCkxpbnV4IE1URCBkaXNjdXNzaW9uIG1haWxpbmcgbGlz dApodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LW10ZC8K