From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [117.135.210.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 50BB6331215; Fri, 13 Mar 2026 11:22:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=117.135.210.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773400930; cv=none; b=H3tP9MhjQdszLdWoXYpz/oq3Hxj9vI77c1LnNoukLpHHGETTxFDXV4gId7xvGeiPAwiQtFWirGTX7gQgWv5/iiAH7IitBkUEAV+sBBxWhpKIcA0nXOVm3sOTpYr4CmpGn8O3ypN01tKBT4Uptmb0H1PKAlH3IC7xnoSUn+egVS8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773400930; c=relaxed/simple; bh=aUyZEd92H/q90oLVkNR++CXf6cLBE9/Ymfl2GlPTQT0=; h=Date:From:To:Cc:Subject:In-Reply-To:References:Content-Type: MIME-Version:Message-ID; b=jHdNrlP2yDHy0MxK5TlJq0U8DMCjIBLR2mAWeJ4Bbu1BIdhFwfNuPeJy3Nx68pd8SrinREhTVEXyq3idtWR9tZrYC4/5LHd0qINGf6AHlrUiC6aULTL7BiuWN/iu09YGoBY7vC3GUPYbK8wQdXEWMUGvAcBO/IQghUlLDlpjsi0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=KQ6TzIy2; arc=none smtp.client-ip=117.135.210.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="KQ6TzIy2" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=Date:From:To:Subject:Content-Type:MIME-Version: Message-ID; bh=aUyZEd92H/q90oLVkNR++CXf6cLBE9/Ymfl2GlPTQT0=; b=K Q6TzIy2xtKUYwaNAXqAZGGUJdeCUD2GEOCGkagQdhvuGsFht5FWMLXrX+4PQuAiX Ty0vSsKAEhG1B/p7cUegDrKjPH43oVEXTjUqs1RSpxgP6vknXEHBDrfKcmFnlTJy raXqwYg5PpPREyGvmS0TqdhBsbKuNTbRjxPmLcjlAE= Received: from luo.liu.linux$163.com ( [112.64.125.122] ) by ajax-webmail-wmsvr-40-100 (Coremail) ; Fri, 13 Mar 2026 19:21:42 +0800 (CST) Date: Fri, 13 Mar 2026 19:21:42 +0800 (CST) From: "luo.liu.linux" To: "Sakari Ailus" Cc: mchehab@kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re:Re: [PATCH] media:v4l2-async:debugfs for registered subdevices X-Priority: 3 X-Mailer: Coremail Webmail Server Version 2023.4-cmXT build 20251222(83accb85) Copyright (c) 2002-2026 www.mailtech.cn 163com In-Reply-To: References: <20260313075824.2818713-1-luo.liu.linux@163.com> X-NTES-SC: AL_Qu2cAfibv0Er5COcY+kWn0sSh+Y3WcC2uP0u2IYbTeUxuzDh3SoqTGJvP2vQ9OujNw+KtDqbXz51xsZiUKVTL3oi1aXgm7dzr2R/FfdZ 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: <5e63e8aa.943f.19ce6ee4ad5.Coremail.luo.liu.linux@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID:ZCgvCgDHB95G87NpRxB5AA--.13929W X-CM-SenderInfo: hoxrhztlxozxxqx0qiywtou0bp/xtbC7AZVxmmz80ZVZwAA3k X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== CkhpIFNha2FyaaOsCgogICAgVGhhbmsgeW91IHZlcnkgbXVjaCBmb3IgeW91ciByZXBseS4KCiAg ICAgV2hlbiBidWlsZGluZyBhIHBpcGVsaW5lIGluIHRoZSBjYW1lcmEgc3Vic3lzdGVtIHZpYSBN ZWRpYSBFbnRpdGllcwogCihlLmcuLCBTZW5zb3IgLT4gRFBIWSAtPiBNSVBJLUNTSTIgLT4gSVNQ KSwgaXQgaXMgY3J1Y2lhbCB0byB2ZXJpZnkgdGhhdCB0aGUgcmVnaXN0cmF0aW9uCgogYW5kIHVu cmVnaXN0cmF0aW9uIHByb2Nlc3NlcyBmb3IgZWFjaCBzdWItZGV2aWNlIChzdWJkZXYpIGRyaXZl ciB3aXRoaW4gdGhlIHBpcGVsaW5lIAoKYXJlIGZ1bmN0aW9uaW5nIGNvcnJlY3RseS4KClNwZWNp ZmljYWxseSwgdGFraW5nIGEgc2Vuc29yIGFzIGFuIGV4YW1wbGUgb2YgYSBzdWJkZXY6CgogICAg IFJlZ2lzdHJhdGlvbiBWZXJpZmljYXRpb246IFVwb24gc3VjY2Vzc2Z1bGx5IGxvYWRpbmcgdGhl IGRyaXZlciB1c2luZyBpbnNtb2QgeHh4X3NlbnNvci5rbywgCgp0aGUgY29ycmVzcG9uZGluZyBz ZW5zb3Igc3ViZGV2IHNob3VsZCBhcHBlYXIgaW4gdGhlIHN1YmRldl9saXN0LgoKICAgICBVbnJl Z2lzdHJhdGlvbiBWZXJpZmljYXRpb246IFVwb24gc3VjY2Vzc2Z1bGx5IHVubG9hZGluZyB0aGUg ZHJpdmVyIHVzaW5nIHJtbW9kIHh4eF9zZW5zb3Iua28sCgogdGhlIGNvcnJlc3BvbmRpbmcgc3Vi ZGV2IGVudHJ5IHNob3VsZCBiZSByZW1vdmVkIGZyb20gdGhlIHN1YmRldl9saXN0LgoKClRoZSBm b2xsb3dpbmcgdGVzdCBsb2cgaW4gbXkgYm9hcmQ6CgoKcm9vdEBjaXgtbG9jYWxob3N0On4vdXBs b2FkIyBjYXQgL3N5cy9rZXJuZWwvZGVidWcvdjRsMi1hc3luYy9yZWdpc3RlcmVkX3N1YmRldmlj ZXMgCnJvb3RAY2l4LWxvY2FsaG9zdDp+L3VwbG9hZCMKcm9vdEBjaXgtbG9jYWxob3N0On4vdXBs b2FkIyBpbnNtb2QgbHQ3OTExdXhjLmtvCnJvb3RAY2l4LWxvY2FsaG9zdDp+L3VwbG9hZCMKcm9v dEBjaXgtbG9jYWxob3N0On4vdXBsb2FkIyBjYXQgL3N5cy9rZXJuZWwvZGVidWcvdjRsMi1hc3lu Yy9yZWdpc3RlcmVkX3N1YmRldmljZXMKTFQ3OTExVVhDIDAtMDA0MyAoZGV2OiAwLTAwNDMpICAg ICAgICAgICAgICAgIApyb290QGNpeC1sb2NhbGhvc3Q6fi91cGxvYWQjCnJvb3RAY2l4LWxvY2Fs aG9zdDp+L3VwbG9hZCMgcm1tb2QgbHQ3OTExdXhjLmtvCnJvb3RAY2l4LWxvY2FsaG9zdDp+L3Vw bG9hZCMKcm9vdEBjaXgtbG9jYWxob3N0On4vdXBsb2FkIyBjYXQgL3N5cy9rZXJuZWwvZGVidWcv djRsMi1hc3luYy9yZWdpc3RlcmVkX3N1YmRldmljZXMKcm9vdEBjaXgtbG9jYWxob3N0On4vdXBs b2FkIwpyb290QGNpeC1sb2NhbGhvc3Q6fi91cGxvYWQjCgoKUmVnYXJkcywKCkx1byBMaXUKCgoK CgoKCgoKCgoKCgoKCkF0IDIwMjYtMDMtMTMgMTg6Mjg6NDUsICJTYWthcmkgQWlsdXMiIDxzYWth cmkuYWlsdXNAbGludXguaW50ZWwuY29tPiB3cm90ZToKPkhpIEx1bywKPgo+T24gRnJpLCBNYXIg MTMsIDIwMjYgYXQgMDM6NTg6MjRQTSArMDgwMCwgbHVvLmxpdSB3cm90ZToKPj4gQWRkIGEgbmV3 IGRlYnVnZnMgZmlsZSAicmVnaXN0ZXJlZF9zdWJkZXZpY2VzIiB1bmRlciB0aGUgInY0bDItYXN5 bmMiCj4+IGRpcmVjdG9yeSB0byBkaXNwbGF5IGFsbCByZWdpc3RlcmVkIHN1YmRldmljZXMgaW4g dGhlIHN1YmRldl9saXN0LiBUaGlzCj4+IGhlbHBzIHdpdGggZGVidWdnaW5nIGJ5IHByb3ZpZGlu ZyBhIGNsZWFyIHZpZXcgb2YgYWxsIGN1cnJlbnRseSByZWdpc3RlcmVkCj4+IFY0TDIgc3ViZGV2 aWNlcy4KPgo+Q291bGQgeW91IGVsYWJvcmF0ZSBhIGxpdHRsZSBob3cgaGFzIHByb3ZpZGluZyB0 aGlzIGluZm9ybWF0aW9uIG92ZXIKPmRlYnVnZnMgaGVscGVkIHlvdT8KPgo+LS0gCj5SZWdhcmRz LAo+Cj5TYWthcmkgQWlsdXMK