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Sat, 24 Feb 2024 01:09:03 -0800 (PST) Received: from [192.168.1.105] ([178.176.74.19]) by smtp.gmail.com with ESMTPSA id t30-20020a195f1e000000b005118e37462asm144768lfb.89.2024.02.24.01.09.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 24 Feb 2024 01:09:02 -0800 (PST) Subject: Re: [PATCH v3 4/8] usb: cdns3-ti: support reset-on-resume behavior 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=a9gory_Clement?= , Kevin Hilman , Alan Stern , linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org References: <20240223-j7200-usb-suspend-v3-0-b41c9893a130@bootlin.com> <20240223-j7200-usb-suspend-v3-4-b41c9893a130@bootlin.com> From: Sergei Shtylyov Message-ID: Date: Sat, 24 Feb 2024 12:08:58 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.1 MIME-Version: 1.0 In-Reply-To: <20240223-j7200-usb-suspend-v3-4-b41c9893a130@bootlin.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240224_010914_476842_D600443C X-CRM114-Status: GOOD ( 20.61 ) 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 T24gMi8yMy8yNCA3OjA1IFBNLCBUaMOpbyBMZWJydW4gd3JvdGU6Cgo+IEFkZCBtYXRjaCBkYXRh IHN1cHBvcnQsIHdpdGggb25lIGJvb2xlYW4gdG8gaW5kaWNhdGUgd2hldGhlciB0aGUKPiBoYXJk d2FyZSByZXNldHMgYWZ0ZXIgYSBzeXN0ZW0td2lkZSBzdXNwZW5kLiBJZiBoYXJkd2FyZSByZXNl dHMsIHdlCj4gZm9yY2UgZXhlY3V0ZSAtPnJ1bnRpbWVfcmVzdW1lKCkgYXQgc3lzdGVtLXdpZGUg cmVzdW1lIHRvIHJ1biB0aGUKPiBoYXJkd2FyZSBpbml0IHNlcXVlbmNlLgo+IAo+IE5vIGNvbXBh dGlibGUgZXhwbG9pdHMgdGhpcyBmdW5jdGlvbmFsaXR5LCBqdXN0IHlldC4KPiAKPiBTaWduZWQt b2ZmLWJ5OiBUaMOpbyBMZWJydW4gPHRoZW8ubGVicnVuQGJvb3RsaW4uY29tPgo+IC0tLQo+ICBk cml2ZXJzL3VzYi9jZG5zMy9jZG5zMy10aS5jIHwgMjcgKysrKysrKysrKysrKysrKysrKysrKysr KysrCj4gIDEgZmlsZSBjaGFuZ2VkLCAyNyBpbnNlcnRpb25zKCspCj4gCj4gZGlmZiAtLWdpdCBh L2RyaXZlcnMvdXNiL2NkbnMzL2NkbnMzLXRpLmMgYi9kcml2ZXJzL3VzYi9jZG5zMy9jZG5zMy10 aS5jCj4gaW5kZXggNGM4YTU1N2U2YTZmLi5mNzYzMjc1NjY3OTggMTAwNjQ0Cj4gLS0tIGEvZHJp dmVycy91c2IvY2RuczMvY2RuczMtdGkuYwo+ICsrKyBiL2RyaXZlcnMvdXNiL2NkbnMzL2NkbnMz LXRpLmMKWy4uLl0KPiBAQCAtMjIwLDggKzIyNiwyOSBAQCBzdGF0aWMgaW50IGNkbnNfdGlfcnVu dGltZV9yZXN1bWUoc3RydWN0IGRldmljZSAqZGV2KQo+ICAJcmV0dXJuIDA7Cj4gIH0KPiAgCj4g K3N0YXRpYyBpbnQgY2Ruc190aV9zdXNwZW5kKHN0cnVjdCBkZXZpY2UgKmRldikKPiArewo+ICsJ c3RydWN0IGNkbnNfdGkgKmRhdGEgPSBkZXZfZ2V0X2RydmRhdGEoZGV2KTsKPiArCj4gKwlpZiAo ZGF0YS0+bWF0Y2hfZGF0YSAmJiBkYXRhLT5tYXRjaF9kYXRhLT5yZXNldF9vbl9yZXN1bWUpCj4g KwkJcmV0dXJuIHBtX3J1bnRpbWVfZm9yY2Vfc3VzcGVuZChkZXYpOwo+ICsJZWxzZQoKICAgUG9p bnRsZXNzICplbHNlKiBhZnRlciAqcmV0dXJuKi4uLgoKPiArCQlyZXR1cm4gMDsKPiArfQo+ICsK PiArc3RhdGljIGludCBjZG5zX3RpX3Jlc3VtZShzdHJ1Y3QgZGV2aWNlICpkZXYpCj4gK3sKPiAr CXN0cnVjdCBjZG5zX3RpICpkYXRhID0gZGV2X2dldF9kcnZkYXRhKGRldik7Cj4gKwo+ICsJaWYg KGRhdGEtPm1hdGNoX2RhdGEgJiYgZGF0YS0+bWF0Y2hfZGF0YS0+cmVzZXRfb25fcmVzdW1lKQo+ ICsJCXJldHVybiBwbV9ydW50aW1lX2ZvcmNlX3Jlc3VtZShkZXYpOwo+ICsJZWxzZQoKICAgSGVy ZSBhcyB3ZWxsLi4uCgo+ICsJCXJldHVybiAwOwo+ICt9Cj4gKwo+ICBzdGF0aWMgY29uc3Qgc3Ry dWN0IGRldl9wbV9vcHMgY2Ruc190aV9wbV9vcHMgPSB7Cj4gIAlSVU5USU1FX1BNX09QUyhOVUxM LCBjZG5zX3RpX3J1bnRpbWVfcmVzdW1lLCBOVUxMKQo+ICsJU1lTVEVNX1NMRUVQX1BNX09QUyhj ZG5zX3RpX3N1c3BlbmQsIGNkbnNfdGlfcmVzdW1lKQo+ICB9Owo+ICAKPiAgc3RhdGljIGNvbnN0 IHN0cnVjdCBvZl9kZXZpY2VfaWQgY2Ruc190aV9vZl9tYXRjaFtdID0gewoKTUJSLCBTZXJnZXkK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFy bS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9y ZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1r ZXJuZWwK