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Mon, 25 May 2020 20:52:49 +0800 (GMT+08:00) X-Originating-IP: [222.205.77.158] Date: Mon, 25 May 2020 20:52:49 +0800 (GMT+08:00) X-CM-HeaderCharset: UTF-8 From: dinghao.liu@zju.edu.cn To: "Philipp Zabel" Cc: kjlu@umn.edu, "Mauro Carvalho Chehab" , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: Re: [PATCH] media: coda: Fix runtime PM imbalance in coda_probe X-Priority: 3 X-Mailer: Coremail Webmail Server Version XT5.0.10 build 20190906(84e8bf8f) Copyright (c) 2002-2020 www.mailtech.cn zju.edu.cn In-Reply-To: <20200525123838.GA12983@pengutronix.de> References: <20200523100332.32626-1-dinghao.liu@zju.edu.cn> <20200525123838.GA12983@pengutronix.de> Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=UTF-8 MIME-Version: 1.0 Message-ID: <1c556c11.c8944.1724be4906f.Coremail.dinghao.liu@zju.edu.cn> X-Coremail-Locale: zh_CN X-CM-TRANSID: cS_KCgDn7wehv8teYMsHAA--.1843W X-CM-SenderInfo: qrrzjiaqtzq6lmxovvfxof0/1tbiAgsLBlZdtOTA+QABsn X-Coremail-Antispam: 1Ur529EdanIXcx71UUUUU7IcSsGvfJTRUUUbXIS07vEb7Iv0x C_Cr1lV2xY67kC6x804xWlV2xY67CY07I20VC2zVCF04k26cxKx2IYs7xG6rWj6s0DMIAI bVAFxVCF77xC64kEw24lV2xY67C26IkvcIIF6IxKo4kEV4ylV2xY628lY4IE4IxF12IF4w CS07vE84x0c7CEj48ve4kI8wCS07vE84ACjcxK6xIIjxv20xvE14v26w1j6s0DMIAIbVA2 z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVWxJr0_GcWlV2xY628EF7xvwVC2z280aVAFwI0_Gc CE3s1lV2xY628EF7xvwVC2z280aVCY1x0267AKxVW0oVCq3wCS07vEe2I262IYc4CY6c8I j28IcVAaY2xG8wCS07vE5I8CrVACY4xI64kE6c02F40Ex7xfMIAIbVAv7VC0I7IYx2IY67 AKxVWUJVWUGwCS07vEYx0Ex4A2jsIE14v26r4j6F4UMIAIbVAm72CE4IkC6x0Yz7v_Jr0_ Gr1lV2xY6x02cVAKzwCS07vEc2xSY4AK67AK6ryUMIAIbVCY0x0Ix7I2Y4AK64vIr41lV2 xY6xAIw28IcVCjz48v1sIEY20_GFWkJr1UJwCS07vE4x8a6x804xWlV2xY6xC20s026xCa FVCjc4AY6r1j6r4UMIAIbVC20s026c02F40E14v26r1j6r18MIAIbVC20s026x8GjcxK67 AKxVWUGVWUWwCS07vEx4CE17CEb7AF67AKxVWUAVWUtwCS07vEIxAIcVC0I7IYx2IY67AK xVWUJVWUCwCS07vEIxAIcVC0I7IYx2IY6xkF7I0E14v26r1j6r4UMIAIbVCI42IY6xAIw2 0EY4v20xvaj40_Wr1j6rW3Jr1lV2xY6IIF0xvEx4A2jsIE14v26r4j6F4UMIAIbVCI42IY 6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa73U Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org PiBIaSBEaW5naGFvLAo+IAo+IHRoYW5rIHlvdSBmb3IgdGhlIHBhdGNoISBUaGUgZmlyc3QgcGFy dCBpcyBmaW5lLCBidXQgSSB0aGluayB0aGUgc2Vjb25kCj4gcGFydCBpcyBub3QgbmVjZXNzYXJ5 LCBzZWUgYmVsb3c6Cj4gCj4gT24gU2F0LCBNYXkgMjMsIDIwMjAgYXQgMDY6MDM6MzJQTSArMDgw MCwgRGluZ2hhbyBMaXUgd3JvdGU6Cj4gPiBXaGVuIGNvZGFfZmlybXdhcmVfcmVxdWVzdCgpIHJl dHVybnMgYW4gZXJyb3IgY29kZSwKPiA+IGEgcGFpcmluZyBydW50aW1lIFBNIHVzYWdlIGNvdW50 ZXIgZGVjcmVtZW50IGlzIG5lZWRlZAo+ID4gdG8ga2VlcCB0aGUgY291bnRlciBiYWxhbmNlZC4K PiA+IAo+ID4gQWxzbywgdGhlIGNhbGxlciBleHBlY3RzIGNvZGFfcHJvYmUoKSB0byBpbmNyZWFz ZSBQTQo+ID4gdXNhZ2UgY291bnRlciwgdGhlcmUgc2hvdWxkIGJlIGEgcmVmY291bnQgZGVjcmVt ZW50Cj4gPiBpbiBjb2RhX3JlbW92ZSgpIHRvIGtlZXAgdGhlIGNvdW50ZXIgYmFsYW5jZWQuCj4g Cj4gY29kYV9wcm9iZSgpIGluY3JlbWVudHMgdGhlIHVzYWdlIGNvdW50ZXIgb25seSB1bnRpbCBj b2RhX2Z3X2NhbGxiYWNrKCkKPiBkZWNyZW1lbnRzIGl0IGFnYWluLiBXaGVyZSBpcyB0aGUgaW1i YWxhbmNlPwo+IAoKWW91IGFyZSByaWdodCwgSSBtaXNzZWQgY29kYV9maXJtd2FyZV9yZXF1ZXN0 KCkgYmVmb3JlIGFuZCAKdGhhbmsgeW91IGZvciB5b3VyIGNvcnJlY3Rpb24hIEkgd2lsbCBmaXgg dGhpcyBpbiB0aGUgbmV4dAplZGl0aW9uIG9mIHBhdGNoLgoKUmVnYXJkcywKRGluZ2hhbwoKPiA+ IFNpZ25lZC1vZmYtYnk6IERpbmdoYW8gTGl1IDxkaW5naGFvLmxpdUB6anUuZWR1LmNuPgo+ID4g LS0tCj4gPiAgZHJpdmVycy9tZWRpYS9wbGF0Zm9ybS9jb2RhL2NvZGEtY29tbW9uLmMgfCAzICsr Kwo+ID4gIDEgZmlsZSBjaGFuZ2VkLCAzIGluc2VydGlvbnMoKykKPiA+IAo+ID4gZGlmZiAtLWdp dCBhL2RyaXZlcnMvbWVkaWEvcGxhdGZvcm0vY29kYS9jb2RhLWNvbW1vbi5jIGIvZHJpdmVycy9t ZWRpYS9wbGF0Zm9ybS9jb2RhL2NvZGEtY29tbW9uLmMKPiA+IGluZGV4IGQwZDA5M2RkOGY3Yy4u NTUwZTlhMTI2NmRhIDEwMDY0NAo+ID4gLS0tIGEvZHJpdmVycy9tZWRpYS9wbGF0Zm9ybS9jb2Rh L2NvZGEtY29tbW9uLmMKPiA+ICsrKyBiL2RyaXZlcnMvbWVkaWEvcGxhdGZvcm0vY29kYS9jb2Rh LWNvbW1vbi5jCj4gPiBAQCAtMzExOSw2ICszMTE5LDggQEAgc3RhdGljIGludCBjb2RhX3Byb2Jl KHN0cnVjdCBwbGF0Zm9ybV9kZXZpY2UgKnBkZXYpCj4gPiAgCXJldHVybiAwOwo+ID4gIAo+ID4g IGVycl9hbGxvY193b3JrcXVldWU6Cj4gPiArCXBtX3J1bnRpbWVfZGlzYWJsZSgmcGRldi0+ZGV2 KTsKPiA+ICsJcG1fcnVudGltZV9wdXRfbm9pZGxlKCZwZGV2LT5kZXYpOwo+IAo+IFRoZXNlIHNl ZW0gcmlnaHQsIHRoZXkgYmFsYW5jZSBvdXQgdGhlIHBtX3J1bnRpbWVfZW5hYmxlKCkKPiBhbmQg cG1fcnVudGltZV9nZXRfbm9yZXN1bWUoKSByaWdodCBiZWZvcmUgdGhlIGVycm9yLgo+IAo+ID4g IAlkZXN0cm95X3dvcmtxdWV1ZShkZXYtPndvcmtxdWV1ZSk7Cj4gPiAgZXJyX3Y0bDJfcmVnaXN0 ZXI6Cj4gPiAgCXY0bDJfZGV2aWNlX3VucmVnaXN0ZXIoJmRldi0+djRsMl9kZXYpOwo+ID4gQEAg LTMxMzYsNiArMzEzOCw3IEBAIHN0YXRpYyBpbnQgY29kYV9yZW1vdmUoc3RydWN0IHBsYXRmb3Jt X2RldmljZSAqcGRldikKPiA+ICAJfQo+ID4gIAlpZiAoZGV2LT5tMm1fZGV2KQo+ID4gIAkJdjRs Ml9tMm1fcmVsZWFzZShkZXYtPm0ybV9kZXYpOwo+ID4gKwlwbV9ydW50aW1lX3B1dF9ub2lkbGUo JnBkZXYtPmRldik7Cj4gCj4gSSB0aGluayB0aGlzIGlzIGluY29ycmVjdC4gVGhlcmUgaXMgb25l IHBtX3J1bnRpbWVfZ2V0X25vcmVzdW1lKCkgaW4KPiBjb2RhX3Byb2JlKCksIGFuZCBvbmUgcG1f cnVudGltZV9wdXRfc3luYygpIGluIGNvZGFfZndfY2FsbGJhY2soKS4KPiBCeSB0aGUgdGltZSBj b2RhX3JlbW92ZSgpIGlzIGNhbGxlZCwgYmFsYW5jZSBpcyBhbHJlYWR5IHJlc3RvcmVkLgo+IAo+ IHJlZ2FyZHMKPiBQaGlsaXBwCg==