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Mon, 2 Sep 2024 01:01:07 +0800 (CST) Date: Mon, 2 Sep 2024 01:01:07 +0800 (CST) From: "David Wang" <00107082@163.com> To: mathias.nyman@intel.com, gregkh@linuxfoundation.org Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re:[PATCH] usb: xhci: wait for controller ready when resume with reinit_xhc X-Priority: 3 X-Mailer: Coremail Webmail Server Version XT5.0.14 build 20240801(9da12a7b) Copyright (c) 2002-2024 www.mailtech.cn 163com In-Reply-To: <20240901162425.5103-1-00107082@163.com> References: <20240901162425.5103-1-00107082@163.com> X-NTES-SC: AL_Qu2ZB/6av0gt4SmfbekXn0oTju85XMCzuv8j3YJeN500oyTB5iUpZW9hIlzs+ce1LiCjoAi1QiJDzc1IZKB2cbw2hLX9ZgVPvBhNSXgmNrsJ Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=GBK Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <1fe3e185.3639.191ae88840f.Coremail.00107082@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID:_____wD3n6zUndRmuSdHAA--.44675W X-CM-SenderInfo: qqqrilqqysqiywtou0bp/1tbiqRNNqmVOClTVCwACs0 X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== T29wcy4uLiBKdXN0IGZpbmQgb3V0IHRoZSB3YXJuaW5nICIgIGVwXzgxOiBQTTogcGFyZW50IDMt MS4xOjEuMSBzaG91bGQgbm90IGJlIHNsZWVwaW5nIiBzaG93cyB1cCB3aGVuIEkgc3VzcGVuZCBt eSBzeXN0ZW0gd2l0aCBVU0IgY2FtZXJhIG9uLCAKYW5kIHRoaXMgcGF0Y2ggY291bGQgbm90IGZp eCBpdC4KUGxlYXNlIGlnbm9yZSB0aGUgcGF0Y2gsIHNvcnJ5IGJvdGhlcmluZy4uLgoKRGF2aWQK CgpBdCAyMDI0LTA5LTAyIDAwOjI0OjI1LCAiRGF2aWQgV2FuZyIgPDAwMTA3MDgyQDE2My5jb20+ IHdyb3RlOgo+V2hlbiByZXN1bWUgc3lzdGVtIHdpdGggcmVpbml0X3hoYyB0cnVlLCBQTSB3b3Vs ZCByZXBvcnQga2VybmVsCj53YXJuaW5nIGFib3V0IGRldmljZSBwYXJlbnQ6Cj4KPiA+dXNiIDMt MS4xOiByZXNldCBoaWdoLXNwZWVkIFVTQiBkZXZpY2UgbnVtYmVyIDQgdXNpbmcgeGhjaV9oY2QK PiA+Li4KPiA+ZXBfODE6IFBNOiBwYXJlbnQgMy0xLjE6MS4xIHNob3VsZCBub3QgYmUgc2xlZXBp bmcKPgo+TW92ZSB0aGUgY29kZSB3YWl0aW5nIGZvciBjb250cm9sbGVyIHJlYWR5IG91dCwgYW5k IG1ha2UgaXQKPmNhcnJ5IG91dCB3b3JrIG5vIG1hdHRlciByZWluaXRfeGhjIGlzIHRydWUgb3Ig ZmFsc2UuCj5UaGUgZXJyb3IgaXMgaWdub3JlZCB3aGVuIHJlaW5pdF94aGMgaXMgdHJ1ZS4KPgo+ U2lnbmVkLW9mZi1ieTogRGF2aWQgV2FuZyA8MDAxMDcwODJAMTYzLmNvbT4KPi0tLQo+IGRyaXZl cnMvdXNiL2hvc3QveGhjaS5jIHwgMTQgKysrKysrKystLS0tLS0KPiAxIGZpbGUgY2hhbmdlZCwg OCBpbnNlcnRpb25zKCspLCA2IGRlbGV0aW9ucygtKQo+Cj5kaWZmIC0tZ2l0IGEvZHJpdmVycy91 c2IvaG9zdC94aGNpLmMgYi9kcml2ZXJzL3VzYi9ob3N0L3hoY2kuYwo+aW5kZXggZWZkZjRjMjI4 YjhjLi44YWViMWIzNGNkYmYgMTAwNjQ0Cj4tLS0gYS9kcml2ZXJzL3VzYi9ob3N0L3hoY2kuYwo+ KysrIGIvZHJpdmVycy91c2IvaG9zdC94aGNpLmMKPkBAIC0xMDMyLDEzICsxMDMyLDE1IEBAIGlu dCB4aGNpX3Jlc3VtZShzdHJ1Y3QgeGhjaV9oY2QgKnhoY2ksIHBtX21lc3NhZ2VfdCBtc2cpCj4g CWlmIChoaWJlcm5hdGVkIHx8IHhoY2ktPnF1aXJrcyAmIFhIQ0lfUkVTRVRfT05fUkVTVU1FIHx8 IHhoY2ktPmJyb2tlbl9zdXNwZW5kKQo+IAkJcmVpbml0X3hoYyA9IHRydWU7Cj4gCj4rCS8qCj4r CSAqIFNvbWUgY29udHJvbGxlcnMgbWlnaHQgbG9zZSBwb3dlciBkdXJpbmcgc3VzcGVuZCwgc28g d2FpdAo+KwkgKiBmb3IgY29udHJvbGxlciBub3QgcmVhZHkgYml0IHRvIGNsZWFyLCBqdXN0IGFz IGluIHhIQyBpbml0Lgo+KwkgKiBJZ25vcmUgcmV0dmFsIGlmIHJlaW5pdF94aGMgaXMgdHJ1ZSwg c2luY2UgdGhlIGRldmljZSB3b3VsZAo+KwkgKiBiZSByZWluaXRlZC4KPisJICovCj4rCXJldHZh bCA9IHhoY2lfaGFuZHNoYWtlKCZ4aGNpLT5vcF9yZWdzLT5zdGF0dXMsCj4rCQkJCVNUU19DTlIs IDAsIDEwICogMTAwMCAqIDEwMDApOwo+IAlpZiAoIXJlaW5pdF94aGMpIHsKPi0JCS8qCj4tCQkg KiBTb21lIGNvbnRyb2xsZXJzIG1pZ2h0IGxvc2UgcG93ZXIgZHVyaW5nIHN1c3BlbmQsIHNvIHdh aXQKPi0JCSAqIGZvciBjb250cm9sbGVyIG5vdCByZWFkeSBiaXQgdG8gY2xlYXIsIGp1c3QgYXMg aW4geEhDIGluaXQuCj4tCQkgKi8KPi0JCXJldHZhbCA9IHhoY2lfaGFuZHNoYWtlKCZ4aGNpLT5v cF9yZWdzLT5zdGF0dXMsCj4tCQkJCQlTVFNfQ05SLCAwLCAxMCAqIDEwMDAgKiAxMDAwKTsKPiAJ CWlmIChyZXR2YWwpIHsKPiAJCQl4aGNpX3dhcm4oeGhjaSwgIkNvbnRyb2xsZXIgbm90IHJlYWR5 IGF0IHJlc3VtZSAlZFxuIiwKPiAJCQkJICByZXR2YWwpOwo+LS0gCj4yLjM5LjIK