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Thu, 30 Dec 2021 10:57:35 +0800 (CST) X-Originating-IP: [112.97.50.214] Date: Thu, 30 Dec 2021 10:57:35 +0800 (CST) From: "Slark Xiao" To: "Bjorn Helgaas" Cc: bjorn@helgaas.com, linux-pci@vger.kernel.org, "Loic Poulain" , "Sergey Ryazanov" , "Johannes Berg" , "Manivannan Sadhasivam" , linux-kernel@vger.kernel.org Subject: Re:Re: [Bug 215433] New: data connection lost on Qualcomm SDX55 PCIe device X-Priority: 3 X-Mailer: Coremail Webmail Server Version XT5.0.13 build 20210622(1d4788a8) Copyright (c) 2002-2021 www.mailtech.cn 163com In-Reply-To: <20211229174605.GA1689297@bhelgaas> References: <20211229174605.GA1689297@bhelgaas> Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=GBK MIME-Version: 1.0 Message-ID: <7d8532a3.2314.17e09457a76.Coremail.slark_xiao@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID: ZcGowABXFWggIM1hjUgQAA--.8508W X-CM-SenderInfo: xvod2y5b0lt0i6rwjhhfrp/xtbBAxd5ZGB0IXjwmwAAsv X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org CgoKCgoKCgoKCgoKCgoKCkF0IDIwMjEtMTItMzAgMDE6NDY6MDUsICJCam9ybiBIZWxnYWFzIiA8 aGVsZ2Fhc0BrZXJuZWwub3JnPiB3cm90ZToKPlsrY2MgTUhJIGZvbGtzXQo+Cj5PbiBUdWUsIERl YyAyOCwgMjAyMSBhdCAxMToyNjowMkFNICswMDAwLCBidWd6aWxsYS1kYWVtb25AYnVnemlsbGEu a2VybmVsLm9yZyB3cm90ZToKPj4gaHR0cHM6Ly9idWd6aWxsYS5rZXJuZWwub3JnL3Nob3dfYnVn LmNnaT9pZD0yMTU0MzMKPj4gCj4+ICAgICAgICAgICAgU3VtbWFyeTogZGF0YSBjb25uZWN0aW9u IGxvc3Qgb24gUXVhbGNvbW0gU0RYNTUgUENJZSBkZXZpY2UKPj4gICAgIEtlcm5lbCBWZXJzaW9u OiA1LjEzLjAsNS4xNS4wCj4+IC4uLgo+Cj4+IEZvciBRdWFsY29tbSBiYXNlZCBtb2RlbSBkZXZp Y2VzLCB3aXRoIFBDSUUgaW50ZXJmYWNlLCBhbmQgbWhpIGRyaXZlciBiYXNlZCBvbgo+PiBrZXJu ZWwgNS4xMy4wLCBpdCB3aWxsIGxvc2UgZGF0YSBjb25uZWN0aW9uLiBEZXRhaWxzIGFzIGJlbG93 Ogo+PiAKPj4gICAgIFBoZW5vbWVub246Cj4+ICAgICAgICAgMSkgQ2FuIE5PVCBjb25uZWN0IHRv IEludGVybmV0Cj4+ICAgICAgICAgMikgL2Rldi93d2FuMHAxUUNETSwgL2Rldi93d2FuMHAyTUJJ TSwgL2Rldi93d2FuMHAzQVQgTk9UIHJlc3BvbnNlCj4+IAo+PiAgICAgUmVwcm9kdWNlIHN0ZXBz Cj4+ICAgICAgICAgMSkgQ29ubmVjdCBJbnRlcm5ldCB2aWEgY2VsbHVsYXIKPj4gICAgICAgICAy KSBEbyBzcGVlZHRlc3QoaHR0cHM6Ly93d3cuc3BlZWR0ZXN0Lm5ldC8pIG9yIGRvd25sb2FkIGEg MUdCIGZpbGUKPj4gKGlwdjQuZG93bmxvYWQudGhpbmticm9hZGJhbmQuY29tLzFHQi56aXApCj4+ IAo+PiAgICAgUmVjb3ZlcnkgbWV0aG9kCj4+ICAgICAgICAgT25seSBjYW4gYmUgcmVjb3ZlcmVk IGJ5IHJlYm9vdCBob3N0Cj4+IAo+PiAgICAgT3RoZXJzCj4+ICAgICAgICAgSXQgY2FuIE5PVCBi ZSByZXByb2R1Y2VkIGluIFdpbmRvd3MgMTAvMTEuCj4KPlRoYW5rcyB2ZXJ5IG11Y2ggZm9yIHRo ZSByZXBvcnQuICBJJ20gbm90IGZhbWlsaWFyIHdpdGggdGhlIG1oaQo+ZHJpdmVyLCBzbyBJIGFk ZGVkIHNvbWUgZm9sa3Mgd2hvIG1pZ2h0IGJlLgo+Cj5DYW4geW91IHBsZWFzZSBjb2xsZWN0IHRo ZSBjb21wbGV0ZSBkbWVzZyBsb2cgYW5kIG91dHB1dCBvZgo+InN1ZG8gbHNwY2kgLXZ2IiBhbmQg YXR0YWNoIGJvdGggdG8gdGhlIGJ1Z3ppbGxhPwo+Cj5Eb2VzIHRoZSBuZXR3b3JrIGNvbm5lY3Rp b24gd29yayBmb3IgYSB3aGlsZSwgdGhlbiBzdG9wIHdvcmtpbmc/ICBJZgo+c28sIGlzIHRoZXJl IGFueXRoaW5nIGxvZ2dlZCBpbiB0aGUgZG1lc2cgbG9nIHdoZW4gaXQgc3RvcHMgd29ya2luZz8K Pgo+RG8geW91IGtub3cgb2YgYW55IExpbnV4IHZlcnNpb25zIHRoYXQgZG8gbm90IGhhdmUgdGhp cyBwcm9ibGVtPyAgSWYKPml0IHVzZWQgdG8gd29yayBidXQgaXQgZ290IGJyb2tlbiwgdGhhdCB3 b3VsZCBoZWxwIG5hcnJvdyB0aGluZ3MgZG93bi4KPgo+VGhhbmtzLAo+ICBCam9ybgoKSGkgQmpv cm4sCiAgIFJlbGF0ZWQgbG9nIGhhcyBiZWVuIHVwbG9hZGVkLgogICAKICAgWWVzLCB0aGUgdGlt ZSBiZWZvcmUgc3RvcCB3b3JraW5nIG1heSBsZXNzIHRoYW4gMSBtaW51dGVzLCBvciBtb3JlIHRo YW4gMTUgbWludXRlcy4gRmluYWxseSwgaXQgd291bGQgc3RvcCB3b3JraW5nLgogVGhlcmUgaXMg bm8gbWVzc2FnZSB3b3VsZCBiZSByZXBvcnRlZCBpbiBkbWVzZyBsb2cgd2l0aCBkZWZhdWx0IGxv ZyBsZXZlbC4gU28gSSB0aGluayB0aGlzIGlzIGEgc2l0dWF0aW9uIHRoYXQgd2UgYWxsIG1heSBt aXNzIGl0LgpXZSBhbHNvIHRyaWVkIHRvIGFkZCBzb21lIGRlYnVnIGxvZy4gQnV0IG5vIGZpbmRp bmdzLgogICBBcyB3ZSBhZGQgc3VwcG9ydCBvdXIgZGV2aWNlIGluIHY1LjEyKG1vcmUgb3IgbGVz cyksIHNvIHdlIGRpZG4ndCB0ZXN0IGl0IHdpdGggcHJldmlvdXMgdmVyc2lvbi4gCkFjdHVhbGx5 IHRoaXMgaXNzdWUgaXMgZm91bmQgaW4gYm90aCB2NS4xMyBhbmQgdjUuMTUgb2ZmaWNpYWwgcmVs ZWFzZS4KICAgCiAgIEJUVywgdGhlcmUgaXMgc29tZSBvdGhlciB2ZW5kb3IgYWxzbyByZXBvcnQg dGhpcyBpc3N1ZSwgbGlrZSBRdWVjdGVsIFNEWDI0IG1vZHVsZS4gClNvIEkgYmVsaWV2ZSB0aGlz IGlzIGEgY29tbW9uIGlzc3VlIGZvciBhbGwgbWhpIGRldmljZS4KIApUaGFua3MKIFNsYXJrCg==