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Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.2 Subject: Re: [PATCH 1/2] PCI: mediatek-gen3: Stop acquiring spinlocks in {suspend,resume}_noirq Content-Language: en-US To: Oliver Neukum , ryder.lee@mediatek.com Cc: jianjun.wang@mediatek.com, lpieralisi@kernel.org, kw@linux.com, robh@kernel.org, bhelgaas@google.com, p.zabel@pengutronix.de, matthias.bgg@gmail.com, linux-pci@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org References: <20230504113509.184633-1-angelogioacchino.delregno@collabora.com> <20230504113509.184633-2-angelogioacchino.delregno@collabora.com> <479acc85-2349-d0ac-851c-f57b1bf6aa9e@suse.com> From: AngeloGioacchino Del Regno In-Reply-To: <479acc85-2349-d0ac-851c-f57b1bf6aa9e@suse.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230608_031738_810487_0F929A49 X-CRM114-Status: GOOD ( 17.09 ) 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-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org SWwgMDgvMDUvMjMgMDk6NDQsIE9saXZlciBOZXVrdW0gaGEgc2NyaXR0bzoKPiBPbiAwNC4wNS4y MyAxMzozNSwgQW5nZWxvR2lvYWNjaGlubyBEZWwgUmVnbm8gd3JvdGU6Cj4gCj4gSGksCj4gCj4g bG9va2luZyBhdCB5b3VyIHBhdGNoIEkgYW0gYWZyYWlkIHRoZXJlIGlzIGFuIGlzc3VlLgo+IAo+ PiBJbiBtdGtfcGNpZV9zdXNwZW5kX25vaXJxKCkgYW5kIG10a19wY2llX3Jlc3VtZV9ub2lycSgp IHdlIGFyZSwKPj4gcmVzcGVjdGl2ZWx5LCBkaXNhYmxpbmcgYW5kIGVuYWJsaW5nIGdlbmVyYXRp b24gb2YgaW50ZXJydXB0cyBhbmQKPj4gdGhlbiBzYXZpbmcgYW5kIHJlc3RvcmluZyB0aGUgZW5h YmxlZCBpbnRlcnJ1cHRzIHJlZ2lzdGVyOiBzaW5jZQo+PiB3ZSdyZSB1c2luZyBub2lycSBQTSBj YWxsYmFja3MsIHRoYXQgY2FuIGJlIHNhZmVseSBkb25lIHdpdGhvdXQKPj4gaG9sZGluZyBhbnkg c3BpbiBsb2NrLgo+IAo+IFdoeT8gWW91IGNhbiBzdGlsbCByYWNlIHdpdGggYW5vdGhlciBDUFUg aW4gdGFzayBjb250ZXh0Lgo+IFRoYXQgaXMgaWYgeW91IHNheSB0aGF0IHlvdSBkbyBub3QgbmVl ZCBsb2NraW5nIHRvIHRvdWNoCj4gUENJRV9JTlRfRU5BQkxFX1JFRyB0aGF0IGlzIGZpbmUsIGJ1 dCB0aGVuIHdoeSBkbyB5b3UgcmVtb3ZlCj4gaXQgZnJvbSBvbmUgcGxhY2Ugb25seT8KPiBJdCBp cyBhbHNvIHRvdWNoZWQgaW4gbXRrX3BjaWVfcHJvYmUoKSBhdCBhIG1pbmltdW0uCj4gCj4gCj4+ IFRoYXQgd2FzIG5vdGljZWQgYmVjYXVzZSBvZiwgYW5kIHNvbHZlcywgdGhlIGZvbGxvd2luZyBp c3N1ZToKPj4KPj4gPDQ+W8KgwqAgNzQuMTg1OTgyXSA9PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PQo+PiA8ND5bwqDCoCA3NC4xOTI2MjldIFdB Uk5JTkc6IHBvc3NpYmxlIGlycSBsb2NrIGludmVyc2lvbiBkZXBlbmRlbmN5IGRldGVjdGVkCj4+ IDw0PlvCoMKgIDc0LjE5OTI3Nl0gNi4zLjAtbmV4dC0yMDIzMDQyOCsgIzUxIFRhaW50ZWQ6IEfC oMKgwqDCoMKgwqDCoCBXCj4+IDw0PlvCoMKgIDc0LjIwNTY2NF0gLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0KPj4gPDQ+W8KgwqAgNzQuMjEy MzA5XSBzeXN0ZW1kLXNsZWVwLzgwOSBqdXN0IGNoYW5nZWQgdGhlIHN0YXRlIG9mIGxvY2s6Cj4+ IDw0PlvCoMKgIDc0LjIxODM0N10gZmZmZjY1YTVjMzRjNjVhMCAoJnBjaWUtPmlycV9sb2NrKXsr Li4ufS17MjoyfSwgYXQ6IAo+PiBtdGtfcGNpZV9yZXN1bWUrMHg1MC8weGE4Cj4+IDw0PlvCoMKg IDc0LjIyNjg3MF0gYnV0IHRoaXMgbG9jayB3YXMgdGFrZW4gYnkgYW5vdGhlciwgSEFSRElSUS1z YWZlIGxvY2sgaW4gdGhlIHBhc3Q6Cj4+IDw0PlvCoMKgIDc0LjIzNDM4OV3CoCAoJmlycV9kZXNj X2xvY2tfY2xhc3Mpey0uLS59LXsyOjJ9Cj4+IDw0PlvCoMKgIDc0LjIzNDQwOV0KPj4gPDQ+W8Kg wqAgNzQuMjM0NDA5XQo+PiA8ND5bwqDCoCA3NC4yMzQ0MDldIGFuZCBpbnRlcnJ1cHRzIGNvdWxk IGNyZWF0ZSBpbnZlcnNlIGxvY2sgb3JkZXJpbmcgYmV0d2VlbiB0aGVtLgo+PiA8ND5bwqDCoCA3 NC4yMzQ0MDldCj4+IDw0PlvCoMKgIDc0LjI1MTcwNF0KPj4gPDQ+W8KgwqAgNzQuMjUxNzA0XSBv dGhlciBpbmZvIHRoYXQgbWlnaHQgaGVscCB1cyBkZWJ1ZyB0aGlzOgo+PiA8ND5bwqDCoCA3NC4y NTg3ODVdwqAgUG9zc2libGUgaW50ZXJydXB0IHVuc2FmZSBsb2NraW5nIHNjZW5hcmlvOgo+PiA8 ND5bwqDCoCA3NC4yNTg3ODVdCj4+IDw0PlvCoMKgIDc0LjI2NjEyNl3CoMKgwqDCoMKgwqDCoCBD UFUwwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgQ1BVMQo+PiA8ND5bwqDC oCA3NC4yNzA5NDJdwqDCoMKgwqDCoMKgwqAgLS0tLcKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgIC0tLS0KPj4gPDQ+W8KgwqAgNzQuMjc1NzU4XcKgwqAgbG9jaygmcGNpZS0+ aXJxX2xvY2spOwo+IAo+IExvY2sgQQo+IAo+PiA8ND5bwqDCoCA3NC4yNzk2MjddwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgbG9j YWxfaXJxX2Rpc2FibGUoKTsKPiAKPiBzdHJpY3RseSBzcGVha2luZyBpcnJlbGV2YW50Cj4gCj4+ IDw0PlvCoMKgIDc0LjI4NTgzNl3CoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBsb2NrKCZpcnFfZGVzY19sb2NrX2NsYXNzKTsKPiAK PiBsb2NrIEIKPiAKPj4gPDQ+W8KgwqAgNzQuMjkyNjY3XcKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIGxvY2soJnBjaWUtPmlycV9s b2NrKTsKPiAKPiBsb2NrIEEKPiAKPj4gPDQ+W8KgwqAgNzQuMjk5MDYxXcKgwqAgPEludGVycnVw dD4KPiAKPiBZb3UgZG8gbm90IG5lZWQgdGhhdCBpbnRlcnJ1cHQuCj4gCj4+IDw0PlvCoMKgIDc0 LjMwMTk2MF3CoMKgwqDCoCBsb2NrKCZpcnFfZGVzY19sb2NrX2NsYXNzKTsKPiAKPiBsb2NrIEIK PiAKPj4gPDQ+W8KgwqAgNzQuMzA2NDM4XQo+PiA8ND5bwqDCoCA3NC4zMDY0MzhdwqAgKioqIERF QURMT0NLICoqKgoKClNvcnJ5IGZvciB0aGUgdmVyeSBsYXRlIHJlcGx5LiBJIGp1c3Qgbm90aWNl ZCB0aGlzLgoKSSdtIHVuc3VyZSwgYXQgdGhpcyBwb2ludCwgYWJvdXQgaG93IHRvIHNvbHZlIHRo aXMgd2FybmluZzsgaWRlYXM/CgpUaGFua3MsCkFuZ2VsbwoKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QK bGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRl YWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=