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[71.212.63.227]) by smtp.gmail.com with ESMTPSA id g19-20020a631113000000b005cd8044c6fesm167442pgl.23.2024.03.08.13.58.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 08 Mar 2024 13:58:26 -0800 (PST) From: Kevin Hilman To: =?utf-8?Q?Th=C3=A9o?= Lebrun , Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Roger Quadros , Peter Chen , Pawel Laszczak , Nishanth Menon , Vignesh Raghavendra , Tero Kristo Cc: Thomas Petazzoni , =?utf-8?Q?Gr=C3=A9gor?= =?utf-8?Q?y?= Clement , Alan Stern , linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, =?utf-8?Q?Th=C3=A9o?= Lebrun Subject: Re: [PATCH v4 4/9] usb: cdns3-ti: support reset-on-resume behavior In-Reply-To: <20240307-j7200-usb-suspend-v4-4-5ec7615431f3@bootlin.com> References: <20240307-j7200-usb-suspend-v4-0-5ec7615431f3@bootlin.com> <20240307-j7200-usb-suspend-v4-4-5ec7615431f3@bootlin.com> Date: Fri, 08 Mar 2024 13:58:25 -0800 Message-ID: <7h4jdgperi.fsf@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240308_135830_091877_787782BC X-CRM114-Status: GOOD ( 26.80 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org VGjDqW8gTGVicnVuIDx0aGVvLmxlYnJ1bkBib290bGluLmNvbT4gd3JpdGVzOgoKPiBBZGQgbWF0 Y2ggZGF0YSBzdXBwb3J0LCB3aXRoIG9uZSBib29sZWFuIHRvIGluZGljYXRlIHdoZXRoZXIgdGhl Cj4gaGFyZHdhcmUgcmVzZXRzIGFmdGVyIGEgc3lzdGVtLXdpZGUgc3VzcGVuZC4gSWYgaGFyZHdh cmUgcmVzZXRzLCB3ZQo+IGZvcmNlIGV4ZWN1dGUgLT5ydW50aW1lX3Jlc3VtZSgpIGF0IHN5c3Rl bS13aWRlIHJlc3VtZSB0byBydW4gdGhlCj4gaGFyZHdhcmUgaW5pdCBzZXF1ZW5jZS4KCklzICJ3 aGV0aGVyIHRoZSBoYXJkd2FyZSByZXNldHMgYWZ0ZXIgYSBzeXN0ZW0td2lkZSBzdXNwZW5kIiBy ZWFsbHkgYQpmdW5jdGlvbiBvZiB0aGUgSVAgaXRzZWxmLCBvciByYXRoZXIgd2hldGhlciB0aGUg SVAgaXMgaW4gYSBwb3dlciBkb21haW4KdGhhdCBtaWdodCBwb3dlciBkb3duPwoKPiBObyBjb21w YXRpYmxlIGV4cGxvaXRzIHRoaXMgZnVuY3Rpb25hbGl0eSwganVzdCB5ZXQuCj4KPiBTaWduZWQt b2ZmLWJ5OiBUaMOpbyBMZWJydW4gPHRoZW8ubGVicnVuQGJvb3RsaW4uY29tPgo+IC0tLQo+ICBk cml2ZXJzL3VzYi9jZG5zMy9jZG5zMy10aS5jIHwgMjcgKysrKysrKysrKysrKysrKysrKysrKysr KysrCj4gIDEgZmlsZSBjaGFuZ2VkLCAyNyBpbnNlcnRpb25zKCspCj4KPiBkaWZmIC0tZ2l0IGEv ZHJpdmVycy91c2IvY2RuczMvY2RuczMtdGkuYyBiL2RyaXZlcnMvdXNiL2NkbnMzL2NkbnMzLXRp LmMKPiBpbmRleCA0YzhhNTU3ZTZhNmYuLmY3NjMyNzU2Njc5OCAxMDA2NDQKPiAtLS0gYS9kcml2 ZXJzL3VzYi9jZG5zMy9jZG5zMy10aS5jCj4gKysrIGIvZHJpdmVycy91c2IvY2RuczMvY2RuczMt dGkuYwo+IEBAIC01Nyw5ICs1NywxNCBAQCBzdHJ1Y3QgY2Ruc190aSB7Cj4gIAl1bnNpZ25lZCB2 YnVzX2RpdmlkZXI6MTsKPiAgCXN0cnVjdCBjbGsgKnVzYjJfcmVmY2xrOwo+ICAJc3RydWN0IGNs ayAqbHBtX2NsazsKPiArCWNvbnN0IHN0cnVjdCBjZG5zX3RpX21hdGNoX2RhdGEgKm1hdGNoX2Rh dGE7Cj4gIAlpbnQgdXNiMl9yZWZjbGtfcmF0ZV9jb2RlOwo+ICB9Owo+ICAKPiArc3RydWN0IGNk bnNfdGlfbWF0Y2hfZGF0YSB7Cj4gKwlib29sIHJlc2V0X29uX3Jlc3VtZTsKPiArfTsKPiArCj4g IHN0YXRpYyBjb25zdCBpbnQgY2Ruc190aV9yYXRlX3RhYmxlW10gPSB7CS8qIGluIEtIWiAqLwo+ ICAJOTYwMCwKPiAgCTEwMDAwLAo+IEBAIC0xMDEsNiArMTA2LDcgQEAgc3RhdGljIGludCBjZG5z X3RpX3Byb2JlKHN0cnVjdCBwbGF0Zm9ybV9kZXZpY2UgKnBkZXYpCj4gIAlwbGF0Zm9ybV9zZXRf ZHJ2ZGF0YShwZGV2LCBkYXRhKTsKPiAgCj4gIAlkYXRhLT5kZXYgPSBkZXY7Cj4gKwlkYXRhLT5t YXRjaF9kYXRhID0gZGV2aWNlX2dldF9tYXRjaF9kYXRhKGRldik7Cj4gIAo+ICAJZGF0YS0+dXNi c3MgPSBkZXZtX3BsYXRmb3JtX2lvcmVtYXBfcmVzb3VyY2UocGRldiwgMCk7Cj4gIAlpZiAoSVNf RVJSKGRhdGEtPnVzYnNzKSkgewo+IEBAIC0yMjAsOCArMjI2LDI5IEBAIHN0YXRpYyBpbnQgY2Ru c190aV9ydW50aW1lX3Jlc3VtZShzdHJ1Y3QgZGV2aWNlICpkZXYpCj4gIAlyZXR1cm4gMDsKPiAg fQo+ICAKPiArc3RhdGljIGludCBjZG5zX3RpX3N1c3BlbmQoc3RydWN0IGRldmljZSAqZGV2KQo+ ICt7Cj4gKwlzdHJ1Y3QgY2Ruc190aSAqZGF0YSA9IGRldl9nZXRfZHJ2ZGF0YShkZXYpOwo+ICsK PiArCWlmIChkYXRhLT5tYXRjaF9kYXRhICYmIGRhdGEtPm1hdGNoX2RhdGEtPnJlc2V0X29uX3Jl c3VtZSkKPiArCQlyZXR1cm4gcG1fcnVudGltZV9mb3JjZV9zdXNwZW5kKGRldik7Cj4gKwllbHNl Cj4gKwkJcmV0dXJuIDA7Cj4gK30KPiArCj4gK3N0YXRpYyBpbnQgY2Ruc190aV9yZXN1bWUoc3Ry dWN0IGRldmljZSAqZGV2KQo+ICt7Cj4gKwlzdHJ1Y3QgY2Ruc190aSAqZGF0YSA9IGRldl9nZXRf ZHJ2ZGF0YShkZXYpOwo+ICsKPiArCWlmIChkYXRhLT5tYXRjaF9kYXRhICYmIGRhdGEtPm1hdGNo X2RhdGEtPnJlc2V0X29uX3Jlc3VtZSkKPiArCQlyZXR1cm4gcG1fcnVudGltZV9mb3JjZV9yZXN1 bWUoZGV2KTsKPiArCWVsc2UKPiArCQlyZXR1cm4gMDsKPiArfQoKQ29uZGl0aW9uYWxseSBmb3Jj aW5nIHJ1bnRpbWUgc3VzcGVuZC9yZXN1bWUgYmFzZWQgb24gYSBwcm9wZXJ0eSBvZiB0aGUKSVAg ZG9lc24ndCBmZWVsIHJpZ2h0IHRvIG1lLgoKSU1PLCB0aGUgZGV2aWNlIHNob3VsZCBhbHdheXMg cnVudGltZSBzdXNwZW5kL3Jlc3VtZSwgYW5kIGluIHRoZQpydW50aW1lIFBNIGhvb2tzIGlzIHdo ZXJlIHRoZSBjb25kaXRpb25hbCBsb2dpYyBzaG91bGQgYmUuCgpBbmQgc3BlYWtpbmcgb2YgdGhl IGNvbmRpdGlvbmFsIGxvZ2ljLi4uIGxldCdzIGdvIGJhY2sgdG8gd2hldGhlcgoicmVzZXRzX29u X3Jlc3VtZSIgaXMgYSBwcm9wZXJ0eSBvZiB0aGUgSVAgb3IgdGhlIGVuY2xvc2luZyBwb3dlcgpk b21haW4uCgpJbnN0ZWFkIG9mIGhhdmluZyBhbiBJUC1zcGVjaWZpYyBmbGFnLCBhbm90aGVyIHdh eSBvZiBhcHByb2FjaGluZyB0aGlzCndoZW4gLT5ydW50aW1lX3Jlc3VtZSgpIGlzIGNhbGxlZCBl dmVyeSB0aW1lIGlzIHNpbXBseSBmb3IgdGhhdCBob29rIHRvCmNoZWNrIGlmIGEgcmVzZXQgaGFz IGhhcHBlbmQuICBTb21ldGltZXMgeW91IGNhbiB0ZWxsIHRoaXMgc2ltcGx5IGJ5CnJlYWRpbmcg YSByZWdpc3RlciB0aGF0IGhhcyBiZWVuIHByZXZpb3VzbHkgcHJvZ3JhbW1lZCBieSB0aGUgZHJp dmVyIGJ1dApoYXMgYSBrbm93biByZXNldC4gIFNpbXBseSBjaGVjayB0aGF0IHJlZ2lzaXN0ZXIg YW5kIHlvdSBjYW4gdGVsbAp3aGV0aGVyIGNvbnRleHQgaGFzIGJlZW4gbG9zdC4KCkRvaW5nIGl0 IHRoaXMgd2F5IG1ha2VzIHRoZSBkcml2ZXIgInNtYXJ0IiBhbmQgdGhlbiB5b3UgZG9uJ3QgaGF2 ZSB0bwpyZWx5IG9uIGJvb2wgZmxhZyBiYXNlZCBvbiB0aGUgSVAgYW5kIGRlcGVuZGVudCBvbiB0 aGUgRFQgY29tcGF0aWJsZS4KCktldmluCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0t a2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFp bG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==