From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3A2B0C433EF for ; Wed, 3 Nov 2021 02:28:11 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E859261106 for ; Wed, 3 Nov 2021 02:28:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org E859261106 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:CC:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; 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Wed, 3 Nov 2021 10:26:42 +0800 Subject: Re: [PATCH -V2] drm/sun4i: Grab reference of connector before return connector from sun4i_tcon_get_connector To: Maxime Ripard CC: , , , , , , , References: <33e01d45-c9f9-0e8c-6871-868ecd198368@huawei.com> <20211102084628.149070-1-heying24@huawei.com> <20211102150331.526nn2e6oqjbf6ur@gilmour> From: He Ying Message-ID: Date: Wed, 3 Nov 2021 10:26:42 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <20211102150331.526nn2e6oqjbf6ur@gilmour> X-Originating-IP: [10.67.110.136] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggeme756-chm.china.huawei.com (10.3.19.102) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211102_192647_469858_6FC70AA6 X-CRM114-Status: GOOD ( 16.50 ) 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 CuWcqCAyMDIxLzExLzIgMjM6MDMsIE1heGltZSBSaXBhcmQg5YaZ6YGTOgo+IEhpLAo+Cj4gT24g VHVlLCBOb3YgMDIsIDIwMjEgYXQgMDQ6NDY6MjhBTSAtMDQwMCwgSGUgWWluZyB3cm90ZToKPj4g IEZyb20gdGhlIGNvbW1lbnRzIG9mIGRybV9mb3JfZWFjaF9jb25uZWN0b3JfaXRlcigpLCB3ZSBr bm93Cj4+IHRoYXQgImNvbm5lY3RvciBpcyBvbmx5IHZhbGlkIHdpdGhpbiB0aGUgbGlzdCBib2R5 LCBpZiB5b3UKPj4gd2FudCB0byB1c2UgY29ubmVjdG9yIGFmdGVyIGNhbGxpbmcgZHJtX2Nvbm5l Y3Rvcl9saXN0X2l0ZXJfZW5kKCkKPj4gdGhlbiB5b3UgbmVlZCB0byBncmFiIHlvdXIgb3duIHJl ZmVyZW5jZSBmaXJzdCB1c2luZwo+PiBkcm1fY29ubmVjdG9yX2dldCgpIi4gU28gZml4IHRoZSB3 cm9uZyB1c2Ugb2YgY29ubmVjdG9yCj4+IGFjY29yZGluZyB0byB0aGUgY29tbWVudHMgYW5kIHRo ZW4gY2FsbCBkcm1fY29ubmVjdG9yX3B1dCgpCj4+IGFmdGVyIHVzaW5nIGNvbm5lY3RvciBmaW5p c2hlcy4KPj4KPj4gU2lnbmVkLW9mZi1ieTogSGUgWWluZyA8aGV5aW5nMjRAaHVhd2VpLmNvbT4K Pj4gLS0tCj4+Cj4+IFYyOgo+PiAgIFVzZSBwcm9wZXIgc3ViamVjdCBwcmVmaXgKPj4KPj4gICBk cml2ZXJzL2dwdS9kcm0vc3VuNGkvc3VuNGlfdGNvbi5jIHwgMTggKysrKysrKysrKysrKy0tLS0t Cj4+ICAgMSBmaWxlIGNoYW5nZWQsIDEzIGluc2VydGlvbnMoKyksIDUgZGVsZXRpb25zKC0pCj4+ Cj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vc3VuNGkvc3VuNGlfdGNvbi5jIGIvZHJp dmVycy9ncHUvZHJtL3N1bjRpL3N1bjRpX3Rjb24uYwo+PiBpbmRleCA5ZjA2ZGVjMGZjNjEuLjI0 ZmE2Nzg0ZWU1ZiAxMDA2NDQKPj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL3N1bjRpL3N1bjRpX3Rj b24uYwo+PiArKysgYi9kcml2ZXJzL2dwdS9kcm0vc3VuNGkvc3VuNGlfdGNvbi5jCj4+IEBAIC00 NywxMiArNDcsMTIgQEAgc3RhdGljIHN0cnVjdCBkcm1fY29ubmVjdG9yICpzdW40aV90Y29uX2dl dF9jb25uZWN0b3IoY29uc3Qgc3RydWN0IGRybV9lbmNvZGVyICoKPj4gICAJZHJtX2Nvbm5lY3Rv cl9saXN0X2l0ZXJfYmVnaW4oZW5jb2Rlci0+ZGV2LCAmaXRlcik7Cj4+ICAgCWRybV9mb3JfZWFj aF9jb25uZWN0b3JfaXRlcihjb25uZWN0b3IsICZpdGVyKQo+PiAgIAkJaWYgKGNvbm5lY3Rvci0+ ZW5jb2RlciA9PSBlbmNvZGVyKSB7Cj4+IC0JCQlkcm1fY29ubmVjdG9yX2xpc3RfaXRlcl9lbmQo Jml0ZXIpOwo+PiAtCQkJcmV0dXJuIGNvbm5lY3RvcjsKPj4gKwkJCWRybV9jb25uZWN0b3JfZ2V0 KGNvbm5lY3Rvcik7Cj4+ICsJCQlicmVhazsKPj4gICAJCX0KPj4gICAJZHJtX2Nvbm5lY3Rvcl9s aXN0X2l0ZXJfZW5kKCZpdGVyKTsKPj4gICAKPj4gLQlyZXR1cm4gTlVMTDsKPj4gKwlyZXR1cm4g Y29ubmVjdG9yOwo+IENvbm5lY3RvciBtaWdodCBiZSB1bmluaXRpYWxpemVkIGlmIHdlIGRvbid0 IGZpbmQgb25lIGhlcmUKCkNvbm5lY3RvciBzaG91bGQgYmUgTlVMTCBpZiB3ZSBkb24ndCBmaW5k IG9uZS4gVGhlIGNvZGUgaXMKCiNkZWZpbmUgZHJtX2Zvcl9lYWNoX2Nvbm5lY3Rvcl9pdGVyKGNv bm5lY3RvciwgaXRlcikgXAogwqDCoCB3aGlsZSAoKGNvbm5lY3RvciA9IGRybV9jb25uZWN0b3Jf bGlzdF9pdGVyX25leHQoaXRlcikpKQoKU28sIHdoZW4gd2UgZG9uJ3QgYnJlYWsgZnJvbSB0aGUg d2hpbGUgYm9keSwgY29ubmVjdG9yCgpjYW4gb25seSBiZSBOVUxMLgoKPgo+PiAgIH0KPj4gICAK Pj4gICBzdGF0aWMgaW50IHN1bjRpX3Rjb25fZ2V0X3BpeGVsX2RlcHRoKGNvbnN0IHN0cnVjdCBk cm1fZW5jb2RlciAqZW5jb2RlcikKPj4gQEAgLTY1LDYgKzY1LDcgQEAgc3RhdGljIGludCBzdW40 aV90Y29uX2dldF9waXhlbF9kZXB0aChjb25zdCBzdHJ1Y3QgZHJtX2VuY29kZXIgKmVuY29kZXIp Cj4+ICAgCQlyZXR1cm4gLUVJTlZBTDsKPj4gICAKPj4gICAJaW5mbyA9ICZjb25uZWN0b3ItPmRp c3BsYXlfaW5mbzsKPj4gKwlkcm1fY29ubmVjdG9yX3B1dChjb25uZWN0b3IpOwo+PiAgIAlpZiAo aW5mby0+bnVtX2J1c19mb3JtYXRzICE9IDEpCj4gV2UncmUgc3RpbGwgYWNjZXNzaW5nIGNvbm5l Y3Rvci0+ZGlzcGxheV9pbmZvIGhlcmUsIGJ1dCBpdCBtaWdodCBoYXZlIGJlZW4KPiBmcmVlZCBh bHJlYWR5LgpBZ3JlZS4gSSdsbCBwbGFjZSBpdCBhZnRlciB1c2luZyAnaW5mbycgZmluaXNoZXMg aW4gdjMuCj4KPiBNYXhpbWUKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxA bGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xp c3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK