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bh=6yDp974LQrt0MDs5mJhTng5R7kqy2mlSjAEqesT+EHc=; b=R/rh10fv12ZrMWg0slw6wc48DOkSeuVDzW4lm8J3U750kw3QXJaYY2JMIDvuKx7RCtBT6e zEngr6rKknPHs/3rzngK/zf6s2b+p1F5BcuJ3Wq2PsdSZNC+tfjkn3SJJY5TgV1topTCHM E2MKb0oDbYlhU/LKhrA7o3VbjHzm9lh0j3hSLH8iZzmC9YDU7UhYXZfheJR3F1vU3CBKGr tMQJpIegyGXz81nU2eyg651tatAv/r/9iTuKtyTTSAiuZgCp6qpcimtRpddZfPT04lddha KrwYagkq9XaW6ZkXwYmdW5T7kzbnkymA0MI8u33A/3zIa0rClONyWUWgv7di6w== From: Miquel Raynal To: Santhosh Kumar K Cc: , , , , , , , , , , , , , , , , Subject: Re: [RFC PATCH v2 09/12] spi: cadence-quadspi: add PHY tuning infrastructure In-Reply-To: <012a44f3-973f-4f34-be69-286cf924a6c6@ti.com> (Santhosh Kumar K.'s message of "Sat, 7 Feb 2026 00:55:49 +0530") References: <20260113141617.1905039-1-s-k6@ti.com> <20260113141617.1905039-10-s-k6@ti.com> <87bji3gkda.fsf@bootlin.com> <012a44f3-973f-4f34-be69-286cf924a6c6@ti.com> User-Agent: mu4e 1.12.7; emacs 30.2 Date: Fri, 13 Feb 2026 09:18:54 +0100 Message-ID: <87a4xdxdht.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-20260213_001904_403070_DA7D7CB8 X-CRM114-Status: GOOD ( 17.08 ) 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 T24gMDcvMDIvMjAyNiBhdCAwMDo1NTo0OSArMDUzMCwgU2FudGhvc2ggS3VtYXIgSyA8cy1rNkB0 aS5jb20+IHdyb3RlOgoKPiBPbiAwNS8wMi8yNiAyMzowOSwgTWlxdWVsIFJheW5hbCB3cm90ZToK Pj4gT24gMTMvMDEvMjAyNiBhdCAxOTo0NjoxNCArMDUzMCwgU2FudGhvc2ggS3VtYXIgSyA8cy1r NkB0aS5jb20+IHdyb3RlOgo+PiAKPj4+IEltcGxlbWVudCB0aGUgc3BpX2NvbnRyb2xsZXJfbWVt X29wcyBleGVjdXRlX3R1bmluZyBjYWxsYmFjayB0byBlbmFibGUKPj4+IFBIWSB0dW5pbmcgc3Vw cG9ydCBmb3IgdGhlIENhZGVuY2UgY29udHJvbGxlci4gUEhZIHR1bmluZyBvcHRpbWl6ZXMgZGF0 YQo+Pj4gY2FwdHVyZSB0aW1pbmcgYXQgaGlnaCBmcmVxdWVuY2llcyBieSBjYWxpYnJhdGluZyB0 aGUgcmVhZCBkYXRhIGNhcHR1cmUKPj4+IGRlbGF5IHRocm91Z2ggdGhlIGNvbnRyb2xsZXIncyBQ SFkgaW50ZXJmYWNlLgo+Pj4KPj4+IFR1bmluZyBhbGdvcml0aG0gZnVuY3Rpb25zIChjcXNwaV9w aHlfdHVuaW5nX2Rkci9zZHIgYW5kCj4+PiBjcXNwaV9waHlfcHJlL3Bvc3RfY29uZmlnKSBhcmUg cGxhY2Vob2xkZXJzIHRvIGJlIGltcGxlbWVudGVkCj4+PiBpbiBzdWJzZXF1ZW50IGNvbW1pdHMu Cj4+Pgo+Pj4gU2lnbmVkLW9mZi1ieTogU2FudGhvc2ggS3VtYXIgSyA8cy1rNkB0aS5jb20+Cj4+ PiAtLS0KPj4+ICAgZHJpdmVycy9zcGkvc3BpLWNhZGVuY2UtcXVhZHNwaS5jIHwgMjQxICsrKysr KysrKysrKysrKysrKysrKysrKysrKysrKwo+Pj4gICAxIGZpbGUgY2hhbmdlZCwgMjQxIGluc2Vy dGlvbnMoKykKPj4+Cj4+PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9zcGkvc3BpLWNhZGVuY2UtcXVh ZHNwaS5jIGIvZHJpdmVycy9zcGkvc3BpLWNhZGVuY2UtcXVhZHNwaS5jCj4+PiBpbmRleCAwZGYy ODZkMjQyNTYuLmI4YjBlODVmNGY2OCAxMDA2NDQKPj4+IC0tLSBhL2RyaXZlcnMvc3BpL3NwaS1j YWRlbmNlLXF1YWRzcGkuYwo+Pj4gKysrIGIvZHJpdmVycy9zcGkvc3BpLWNhZGVuY2UtcXVhZHNw aS5jCj4+PiBAQCAtMzIsNiArMzIsNyBAQAo+Pj4gICAgICNkZWZpbmUgQ1FTUElfTkFNRQkJCSJj YWRlbmNlLXFzcGkiCj4+PiAgICNkZWZpbmUgQ1FTUElfTUFYX0NISVBTRUxFQ1QJCTQKPj4+ICsj ZGVmaW5lIENRU1BJX0FNNjU0X05PTl9QSFlfQ0xLX1JBVEUJMjUwMDAwMDAKPj4+ICAgICBzdGF0 aWNfYXNzZXJ0KENRU1BJX01BWF9DSElQU0VMRUNUIDw9IFNQSV9ERVZJQ0VfQ1NfQ05UX01BWCk7 Cj4+PiAgIEBAIC02NSw2ICs2Niw3IEBAIHN0cnVjdCBjcXNwaV9zdDsKPj4+ICAgc3RydWN0IGNx c3BpX2ZsYXNoX3BkYXRhIHsKPj4+ICAgCXN0cnVjdCBjcXNwaV9zdAkqY3FzcGk7Cj4+PiAgIAl1 MzIJCWNsa19yYXRlOwo+Pj4gKwl1MzIJCW5vbl9waHlfY2xrX3JhdGU7Cj4+IFRoaXMgaXMgdGhl IHNlY29uZCAoYW5kIGxhc3QpIG1haW4gaXNzdWUgSSBoYXZlIHdpdGggdGhlIHNlcmllcyBhcyBp dAo+PiBpcwo+PiByaWdodCBub3cuIFdlIGNhbm5vdCBzZXQgdGhpcyB0eXBlIG9mIGZyZXF1ZW5j eSBpbiB0aGUgZHJpdmVyIElNTywgaXQgaXMKPj4gdG9vIGJvYXJkIHNwZWNpZmljLgo+PiBXZSBj dXJyZW50bHkgaGF2ZSBhIERUIHByb3BlcnR5IGZvciB0aGUgU1BJIG1heGltdW0gc3VwcG9ydGVk Cj4+IGZyZXF1ZW5jeS4gSSBiZWxpZXZlIHRoaXMgaXMgbm8gbG9uZ2VyIGVub3VnaC4gV2h5IG5v dCBtYWtpbmcgdGhpcwo+PiBmcmVxdWVuY3kgcHJvcGVydHkgYW4gYXJyYXk/IEZpcnN0IGZyZXF1 ZW5jeSB3b3VsZCBiZSB0aGUgZGVmYXVsdCwKPj4gbm9uIHR1bmVkIG1heGltdW0gZnJlcXVlbmN5 LiBUaGUgc2Vjb25kIHdvdWxkIGJlIHRoZSBtYXhpbXVtIGZyZXF1ZW5jeQo+PiByZWFjaGFibGUg d2hlbiB0dW5pbmcgdGhlIFBIWS4KPgo+IElmIHRoZSBjb25jZXJuIGlzIG9ubHkgYWJvdXQgd2hl cmUgdGhpcyBpcyBzZXQsIHdlIGNvdWxkIGludHJvZHVjZSBhIERUCj4gcHJvcGVydHkgc3VjaCBh cyAibm9uLXBoeS1tYXgtZnJlcSIgdG8gY2FycnkgdGhpcyBpbmZvcm1hdGlvbi4gVGhpcwo+IHdv dWxkIGFsbG93IHVzIHRvIGF2b2lkIGFueSBjaGFuZ2VzIHRvIHRoZSBleGlzdGluZyAic3BpLW1h eC1mcmVxdWVuY3kiCj4gaGFuZGxpbmcuIExldCBtZSBrbm93IHlvdXIgdGhvdWdodHMgb24gdGhp cy4KCk5hbWluZyBpcyBkaWZmaWN1bHQsIG5vbi1waHktbWF4LWZyZXEgaXMgdG9vIFRJIHNwZWNp ZmljLiBJIHdhcwpwcm9wb3NpbmcgdGhlIGV2b2x1dGlvbiBvZiBzcGktbWF4LWZyZXF1ZW5jeSBi ZWNhdXNlIGl0IGlzIGJhY2t3YXJkCmNvbXBhdGlibGUuIFRoZSBuYW1pbmcgY2FuIGJlIGRpc2N1 c3NlZCBhZnRlciB5b3Ugc2VuZCBhIHByb3Bvc2FsLCBidXQKZG8gbm90IGluY2x1ZGUgIm5vbi1w aHkiIGluIGl0LiBJdCBzaGFsbCByZWZsZWN0IHRoZSBmYWN0IHRoYXQgd2l0aCBmaW5lCnR1bmlu ZyB3ZSBjYW4gcmVhY2ggaGlnaGVyIGZyZXF1ZW5jaWVzIG9uIGNlcnRhaW4gb3BlcmF0aW9ucy4K Ck1hcmssIGFueSB0YWtlIG9uIHRoaXM/Cgo+IEknbGwgYWxzbyB0ZXN0IHRoZSBhcHByb2FjaCB5 b3Ugc3VnZ2VzdGVkIGFuZCBzaGFyZSBteSBpbnB1dHMgYmFzZWQgb24KPiB0aGUgcmVzdWx0cy4g QnkgdGhlIHdheSwgd2hlcmUgYXJlIHlvdSBpbnNpc3RpbmcgdG8gYWRqdXN0L3N3aXRjaCB0bwo+ IHRoZSBtYXhpbXVtIGZyZXF1ZW5jeSAtIHdpdGhpbiB0aGUgY29udHJvbGxlciBkcml2ZXIgb3Ig aW4gdGhlCj4gc3BpLWNvcmU/CgpJdCBpcyBwcmVmZXJhYmxlIHRvIG1ha2UgdGhlIGRlY2lzaW9u cyBpbiB0aGUgY29yZSBhbmQgYXZvaWQgYmVpbmcgc21hcnQKaW4gY29udHJvbGxlciBkcml2ZXJz LCBpZiBwb3NzaWJsZS4KClRoYW5rcywKTWlxdcOobAoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkxpbnV4IE1URCBkaXNjdXNzaW9uIG1haWxp bmcgbGlzdApodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4 LW10ZC8K