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bh=HpYyC+ESVa00QuajRPpqFr8FQgzikq4Z2svdSNuwJ88=; b=QQvpvM2EbLtLTfmSDKs3yu9GXEBWBukP/xZdkwHdilmyi8kUSnR5ookupTpLcgFw4sTxiF 0KQCD5WzB/rQ+RSbzB5nRtZnrttb2pvF7JUmteDrxdMCHaypTp+L39l789GzARM0WX/lqc HTRDHrjqCuS4tEsJWb+23I154wt64EOqwd0bJthZBDLnLzm6+OZtK0hXvOp+ZEANoH4QoI uLXFIPnbAKE2zMuDfdrVbeTRF9LrZ174/HC7DiB3PuNW9vTczrGWq/yat1ci1ljXQg5Ev0 2w1t+pFmH9lvZSL/iL/kHcfycUmJpfFg8KMJHhVaeFFa2u0U0TY0mQ61QpS+RA== From: Miquel Raynal To: Santhosh Kumar K Cc: , , , , , , , , , , , , , , , , , Frieder Schrempf , Eberhard Stoll , Subject: Re: [RFC PATCH v2 11/12] spi: cadence-quadspi: restrict PHY frequency to tuned operations In-Reply-To: <874inlxde0.fsf@bootlin.com> (Miquel Raynal's message of "Fri, 13 Feb 2026 09:21:11 +0100") References: <20260113141617.1905039-1-s-k6@ti.com> <20260113141617.1905039-12-s-k6@ti.com> <87zf5nf5g1.fsf@bootlin.com> <874inlxde0.fsf@bootlin.com> User-Agent: mu4e 1.12.7; emacs 30.2 Date: Tue, 17 Mar 2026 16:17:06 +0100 Message-ID: <87zf46cwp9.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-20260317_081715_947270_A1899067 X-CRM114-Status: GOOD ( 19.90 ) 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 SGkgU2FudGhvc2gsCgorIEZyaWVkZXIgYW5kIEViZXJoYXJkCgpPbiAxMy8wMi8yMDI2IGF0IDA5 OjIxOjExICswMSwgTWlxdWVsIFJheW5hbCA8bWlxdWVsLnJheW5hbEBib290bGluLmNvbT4gd3Jv dGU6Cgo+IE9uIDA3LzAyLzIwMjYgYXQgMDA6NTc6MDQgKzA1MzAsIFNhbnRob3NoIEt1bWFyIEsg PHMtazZAdGkuY29tPiB3cm90ZToKPgo+PiBPbiAwNS8wMi8yNiAyMzoxNywgTWlxdWVsIFJheW5h bCB3cm90ZToKPj4+IEhpIFNhbnRob3NoLAo+Pj4gCj4+Pj4gKwkvKgo+Pj4+ICsJICogUEhZIHR1 bmluZyBhbGxvd3MgaGlnaC1mcmVxdWVuY3kgb3BlcmF0aW9uIG9ubHkgZm9yIGNhbGlicmF0ZWQK Pj4+PiArCSAqIGNvbW1hbmRzLiBVbmNhbGlicmF0ZWQgb3BlcmF0aW9ucyB1c2Ugc2FmZSBub24t UEhZIGZyZXF1ZW5jeSB0bwo+Pj4+ICsJICogYXZvaWQgdGltaW5nIHZpb2xhdGlvbnMuCj4+Pj4g KwkgKi8KPj4+PiArCWlmIChjcXNwaS0+ZGRhdGEtPmV4ZWN1dGVfdHVuaW5nICYmIGZfcGRhdGEt PnVzZV9waHkgJiYKPj4+PiArCSAgICAoY3FzcGlfb3BfbWF0Y2hlc190dW5lZChvcCwgJmZfcGRh dGEtPnBoeV9yZWFkX29wKSB8fAo+Pj4+ICsJICAgICBjcXNwaV9vcF9tYXRjaGVzX3R1bmVkKG9w LCAmZl9wZGF0YS0+cGh5X3dyaXRlX29wKSkpIHsKPj4+PiArCQljcXNwaV9jb25maWd1cmUoZl9w ZGF0YSwgb3AtPm1heF9mcmVxKTsKPj4+PiArCX0gZWxzZSBpZiAoY3FzcGktPmRkYXRhLT5leGVj dXRlX3R1bmluZykgewo+Pj4+ICsJCS8qIFVzZSBzYWZlIGZyZXF1ZW5jeSBmb3IgdW50dW5lZCBv cGVyYXRpb25zICovCj4+Pj4gKwkJY3FzcGlfY29uZmlndXJlKGZfcGRhdGEsIGZfcGRhdGEtPm5v bl9waHlfY2xrX3JhdGUpOwo+Pj4+ICsJfSBlbHNlIHsKPj4+PiArCQkvKiBObyB0dW5pbmcgc3Vw cG9ydCwgYWx3YXlzIHVzZSByZXF1ZXN0ZWQgZnJlcXVlbmN5ICovCj4+Pj4gKwkJY3FzcGlfY29u ZmlndXJlKGZfcGRhdGEsIG9wLT5tYXhfZnJlcSk7Cj4+Pj4gKwl9Cj4+PiBTaG91bGRuJ3Qgd2Ug aGFuZGxlIHRoaXMgYXQgdGhlIGNvcmUgbGV2ZWw/IFdlIGtub3cgd2hhdCBraW5kIG9mCj4+PiBv cGVyYXRpb24gcGF0dGVybiB3ZSBwcm92aWRlZCwgc28gaXQgaXMgZWFzeSB0byBzZXQgdGhlIGNv cnJlY3QKPj4+IGZyZXF1ZW5jeSBpbiB0aGUgb3BlcmF0aW9uIHN0cnVjdHVyZS4KPj4+IENhbiB5 b3UgcGxlYXNlIG1ha2UgdGhpcyBoYXBwZW4/IFBlcmhhcHMgeW91IGNhbiByZXR1cm4gdGhlIG9w ZXJhdGlvbgo+Pj4gZnJlcXVlbmN5IG9uY2UgdGhlIGNhbGlicmF0aW9uIGlzIHN1Y2Nlc3NmdWwg KGluIHRoZSByZWFkIGFuZCB3cml0ZSBvcAo+Pj4gdGVtcGxhdGVzIG1heWJlPykgc28gdGhpcyBj YW4gYmUgcGlja2VkIHVwIGJ5IHRoZSBjb3JlIGFuZCB1c2VkIGZvciB0aGUKPj4+IGZvbGxvd2lu ZyBvcGVyYXRpb25zLiBUaGlzIHdheSB0aGUgY29udHJvbGxlciBkcml2ZXIgbm8gbG9uZ2VyIG5l ZWRzIHRvCj4+PiBjaGVjayBpZiB0aGUgb3BlcmF0aW9uIGhhcyBiZWVuIHR1bmVkIG9yIG5vdCwg aXQgY2FuIGp1c3QgbG9vayBhdCB0aGUKPj4+IGZyZXF1ZW5jeS4gV2hlbiB1c2luZyB0aGUgaGln aGVzdCBmcmVxdWVuY3ksIFBIWSB0dW5pbmcgbXVzdCBiZQo+Pj4gdXNlZC9lbmFibGVkLCBvdGhl cndpc2Ugbm90Lgo+Pgo+PiBObywgTWlxdWVsLCB0aGlzIG1heSBub3QgYmUgY29ycmVjdC4gVGhl cmUgY2FuIGJlIGNhc2VzIHdoZXJlIGFuCj4+IG9wZXJhdGlvbiBkb2VzIG5vdCByZXF1aXJlIHR1 bmluZyBidXQgc3RpbGwgY2FuIHJ1biBhdCBtYXhpbXVtCj4+IGZyZXF1ZW5jeSAoMTY2IE1Ieiwg Zm9yIGluc3RhbmNlKS4KPgo+IFRoaXMgaXMgY3VycmVudGx5IG5vdCB0aGUgY2FzZS4gQ3VycmVu dGx5IHlvdSB0dW5lIGZvciBvbmUgb3IgdHdvIG9wcwo+IChyZWFkL3dyaXRlKSBhbmQgeW91IGVu YWJsZSBQSFkgdHVuaW5nIG9ubHkgb24gdGhlc2UuIERvIHlvdSBwbGFuIG9uCj4gYWRkaW5nIHN1 Y2ggYSBmZWF0dXJlPyBJZiBub3QsIEkgd291bGQgbm90IGJvdGhlciB3aXRoIHRoaXMgbm93Lgo+ Cj4+IEluIHN1Y2ggc2NlbmFyaW9zLCBzaW1wbHkgc2V0dGluZwo+PiBvcC0+bWF4X2ZyZXEgdG8g dGhlIG1heGltdW0gZnJlcXVlbmN5IHZhbHVlIGFuZCBkZWNpZGluZyB3aGV0aGVyIHRvCj4+IGVu YWJsZSB0dW5pbmcgYmFzZWQgb24gYW4gb3AtPm1heF9mcmVxIGNvbXBhcmlzb24gd291bGQgbm90 IGJlCj4+IHN1ZmZpY2llbnQuCj4KPiBJZiB0aGVyZSBhcmUgc3VjaCBjYXNlcywgY2FuIHRoZXkg YmUgbGlzdGVkPyBJIGFtIHNvcnJ5IGJ1dCBJIGZhaWwgdG8KPiBzZWUgd2hlcmUgdGhpcyB3b3Vs ZCBub3Qgd29yay4gQW55IGV4YW1wbGVzIHRvIHNoYXJlPwoKSSBkb24ndCBrbm93IGlmIHlvdSBn b3QgbXkgZmVlZGJhY2ssIGJ1dCBJIHdvdWxkIGxpa2UgdG8gaGF2ZSBhbGwgY2FzZXMKaW4gbWlu ZCB0byBkZWNpZGUgaW4gd2hpY2ggZGlyZWN0aW9uIHdlIG11c3QgZ28uIEVzcGVjaWFsbHksIEkg d291bGQKbGlrZSB0byBtYWtlIHRoZSBicmlkZ2Ugd2l0aCBGcmllZGVyJ3Mgd29yayB3aG8gaXMg YWxzbyAicGxheWluZyIgd2l0aAp0aGUgbWF4aW11bSBmcmVxdWVuY3kuCgpXZSBuZWVkIHRvIGNs YXJpZnkgb3VyIG1lbnRhbCBwaWN0dXJlIG9mIHRoZSBtYXhfZnJlcSBoYW5kbGluZy4gSG93IGl0 CnNob3VsZCBiZSBkZXJpdmVkLCBob3cgYXV0b25vbW91cyBzaGFsbCB0aGUgU1BJIGNvbnRyb2xs ZXJzIGJlIHdydCB0aGlzCnZhbHVlLCBzaGFsbCB3ZSBmbGFnIG9wZXJhdGlvbnMgdGhhdCBjYW4g Z28gZmFzdGVyIGFuZCBpZiB5ZXMsIGNhbiB3ZQphdHRhY2ggYSBtZWFuaW5nZnVsIHZhbHVlIHRv IHRoZXNlIG9wZXJhdGlvbnMsIGV0YyBldGMuCgpJIGZlZWwgbGlrZSB0aGlzIGlzIHRoZSBwYXJ0 IHRoYXQgbmVlZHMgZXh0cmEgdGhpbmtpbmcuIFRoZSByZXN0IG9mIHRoZQpzZXJpZXMgaXMgcHJv bWlzaW5nLiBJIHdvdWxkIGxpa2UgdXMgdG8gY2xhcmlmeSB0aGUgbmVlZHMsIG1heWJlIHByb3Bv c2UKc29tZSBraW5kIG9mIGRyYXdpbmcvc2xpZGVzIG9yIGV2ZW4gdGFrZSBoYWxmIGFuIGhvdXIg dG8gZGlzY3VzcyBpbiBhCmNhbGwgb25jZSB3ZSBoYXZlIGFsbCBjYXNlcyBpbiBtaW5kLgoKVGhh bmtzLApNaXF1w6hsCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KTGludXggTVREIGRpc2N1c3Npb24gbWFpbGluZyBsaXN0Cmh0dHA6Ly9saXN0 cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtbXRkLwo=