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Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kDRN7-0006j3-Ip; Wed, 02 Sep 2020 11:56:13 +0000 Received: from regular1.263xmail.com ([211.150.70.199]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kDRN4-0006iC-SB for linux-rockchip@lists.infradead.org; Wed, 02 Sep 2020 11:56:12 +0000 Received: from localhost (unknown [192.168.167.235]) by regular1.263xmail.com (Postfix) with ESMTP id 85710F1D; Wed, 2 Sep 2020 19:56:03 +0800 (CST) X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ADDR-CHECKED4: 1 X-ANTISPAM-LEVEL: 2 X-SKE-CHECKED: 1 X-ABS-CHECKED: 1 Received: from [172.16.12.76] (unknown [58.22.7.114]) by smtp.263.net (postfix) whith ESMTP id P22908T140609325295360S1599047762080218_; Wed, 02 Sep 2020 19:56:03 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: X-RL-SENDER: hjc@rock-chips.com X-SENDER: hjc@rock-chips.com X-LOGIN-NAME: hjc@rock-chips.com X-FST-TO: hjc@rock-chips.com X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 X-System-Flag: 0 Subject: Re: [PATCH v2] drm/of: Consider the state in which the ep is disabled From: Huang Jiachai To: =?UTF-8?Q?Heiko_St=c3=bcbner?= , David Airlie References: <20200707112526.18438-1-hjc@rock-chips.com> <3361390.LkKjKlf5PX@phil> <12d1b648-81d1-df48-4435-b7b88dd72b30@rock-chips.com> Message-ID: Date: Wed, 2 Sep 2020 19:56:01 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 MIME-Version: 1.0 In-Reply-To: <12d1b648-81d1-df48-4435-b7b88dd72b30@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200902_075611_153161_FA5FBD21 X-CRM114-Status: GOOD ( 12.23 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: huangtao@rock-chips.com, Thomas Zimmermann , Maarten Lankhorst , kever.yang@rock-chips.com, Maxime Ripard , linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, dri-devel@lists.freedesktop.org, Daniel Vetter , andy.yan@rock-chips.com Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org SGkgRGF2aWQgQWlybGll77yMCgogwqDCoMKgIFBsZWFzZSBoZWxwIHRvIGNvbmZpcm0gd2hldGhl ciB0aGlzIG1vZGlmaWNhdGlvbiBpcyByZWFzb25hYmxlIHdoZW4gCnlvdSBhcmUgZnJlZSwgdGhh bmtzLgoKCuWcqCAyMDIwLzgvMTMgMTQ6MzEsIEh1YW5nIEppYWNoYWkg5YaZ6YGTOgo+IHBpbmcu Li4KPgo+IOWcqCAyMDIwLzcvMjMgMzowMSwgSGVpa28gU3TDvGJuZXIg5YaZ6YGTOgo+PiBBbSBE aWVuc3RhZywgNy4gSnVsaSAyMDIwLCAxMzoyNToyNiBDRVNUIHNjaHJpZWIgU2FuZHkgSHVhbmc6 Cj4+PiBkb24ndCBtYXNrIHBvc3NpYmxlX2NydGNzIGlmIHJlbW90ZS1wb2ludCBpcyBkaXNhYmxl ZC4KPj4+Cj4+PiBTaWduZWQtb2ZmLWJ5OiBTYW5keSBIdWFuZyA8aGpjQHJvY2stY2hpcHMuY29t Pgo+PiBSZXZpZXdlZC1ieTogSGVpa28gU3R1ZWJuZXIgPGhlaWtvQHNudGVjaC5kZT4KPj4KPj4g Y2hhbmdlcyBpbiB2MjoKPj4gLSBkcm9wIGFkZGl0aW9uYWwgb2Zfbm9kZV9wdXQsIGFzIGVwIHdp bGwgYmUgcHV0IHdpdGggdGhlIG5leHQKPj4gwqDCoCBpdGVyYXRpb24gb2YgZm9yX2VhY2hfZW5k cG9pbnRfb2Zfbm9kZSgpCj4+Cj4+Cj4+IEFzIHRoaXMgdG91Y2hlcyBhIHByZXR0eSBjZW50cmFs IGZ1bmN0aW9uIGlzIHRoZXJlIHNvbWV0aGluZwo+PiB0byBrZWVwIGluIG1pbmQgaW4gcmVnYXJk cyB0byBvdGhlciBEUk0gZHJpdmVycz8KPj4gW3F1ZXN0aW9uIGZvciB0aGUgYnJvYWRlciBhdWRp ZW5jZSA7LSkgXQo+Pgo+PiBIZWlrbwo+Pgo+Pj4gLS0tCj4+PiDCoCBkcml2ZXJzL2dwdS9kcm0v ZHJtX29mLmMgfCAzICsrKwo+Pj4gwqAgMSBmaWxlIGNoYW5nZWQsIDMgaW5zZXJ0aW9ucygrKQo+ Pj4KPj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vZHJtX29mLmMgYi9kcml2ZXJzL2dw dS9kcm0vZHJtX29mLmMKPj4+IGluZGV4IGZkYjA1ZmJmNzJhMC4uNTY1ZjA1ZjVmMTFiIDEwMDY0 NAo+Pj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2RybV9vZi5jCj4+PiArKysgYi9kcml2ZXJzL2dw dS9kcm0vZHJtX29mLmMKPj4+IEBAIC02Niw2ICs2Niw5IEBAIHVpbnQzMl90IGRybV9vZl9maW5k X3Bvc3NpYmxlX2NydGNzKHN0cnVjdCAKPj4+IGRybV9kZXZpY2UgKmRldiwKPj4+IMKgwqDCoMKg wqAgdWludDMyX3QgcG9zc2libGVfY3J0Y3MgPSAwOwo+Pj4gwqAgwqDCoMKgwqDCoCBmb3JfZWFj aF9lbmRwb2ludF9vZl9ub2RlKHBvcnQsIGVwKSB7Cj4+PiArwqDCoMKgwqDCoMKgwqAgaWYgKCFv Zl9kZXZpY2VfaXNfYXZhaWxhYmxlKGVwKSkKPj4+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIGNv bnRpbnVlOwo+Pj4gKwo+Pj4gwqDCoMKgwqDCoMKgwqDCoMKgIHJlbW90ZV9wb3J0ID0gb2ZfZ3Jh cGhfZ2V0X3JlbW90ZV9wb3J0KGVwKTsKPj4+IMKgwqDCoMKgwqDCoMKgwqDCoCBpZiAoIXJlbW90 ZV9wb3J0KSB7Cj4+PiDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBvZl9ub2RlX3B1dChlcCk7 Cj4+Pgo+Pgo+Pgo+Pgo+Pgo+PgotLSAKQmVzdCBSZWdhcmQKCum7hOWutumSlwpTYW5keSBIdWFu ZwpBZGRyOiDnpo/lt57luILpvJPmpbzljLrpk5znm5jot6/ova/ku7blpKfpgZM4OeWPt+emj+W3 nui9r+S7tuWbrUHljLoyMeWPt+alvCgzNTAwMDMpCiAgICAgICBOby4gMjEgQnVpbGRpbmcsIEEg RGlzdHJpY3QsIE5vLjg5LHNvZnR3YXJlIEJvdWxldmFyZCBGdXpob3UsRnVqaWFuLFBSQwpUZWzv vJorODYgMDU5MS04Nzg4NDkxOSAgODY5MApFLW1haWzvvJpoamNAcm9jay1jaGlwcy5jb20KCgoK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkxpbnV4LXJv Y2tjaGlwIG1haWxpbmcgbGlzdApMaW51eC1yb2NrY2hpcEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0 dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtcm9ja2NoaXAK