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Mon, 8 Oct 2018 10:53:10 +0000 (GMT) Received: from eusmgms2.samsung.com (unknown [182.198.249.180]) by eusmtrp1.samsung.com (KnoxPortal) with ESMTP id 20181008105309eusmtrp19b3479085ae7037f8c49187c76cdb06a~bnLLeF3g42387123871eusmtrp1P; Mon, 8 Oct 2018 10:53:09 +0000 (GMT) X-AuditID: cbfec7f2-5c9ff70000001159-4a-5bbb37164ec2 Received: from eusmtip2.samsung.com ( [203.254.199.222]) by eusmgms2.samsung.com (EUCPMTA) with SMTP id F2.97.04128.5173BBB5; Mon, 8 Oct 2018 11:53:09 +0100 (BST) Received: from [106.120.53.102] (unknown [106.120.53.102]) by eusmtip2.samsung.com (KnoxPortal) with ESMTPA id 20181008105309eusmtip2097059dd71ed1e64051d376bd491d4cc~bnLLI3qhM2538725387eusmtip2x; Mon, 8 Oct 2018 10:53:09 +0000 (GMT) Subject: Re: [RESEND PATCH v2 1/3] video: ssd1307fb: Use gpiod_set_value_cansleep() for reset To: =?UTF-8?B?TWljaGFsIFZva8OhxI0=?= Cc: Shawn Guo , Fabio Estevam , Rob Herring , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fbdev@vger.kernel.org From: Bartlomiej Zolnierkiewicz Date: Mon, 8 Oct 2018 12:53:08 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0 MIME-Version: 1.0 In-Reply-To: <1538040281-21319-1-git-send-email-michal.vokac@ysoft.com> Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprBKsWRmVeSWpSXmKPExsWy7djPc7pi5rujDXoPK1rMP3KO1WLj5tss Fif6PrBaXN41h83i/+cnrBate4+wW7zYIu7A7rFpVSebx8Z3O5g8Pm+S83j59wNzAEsUl01K ak5mWWqRvl0CV0bH6TfsBV0sFT//zmdqYNzA3MXIySEhYCLx/Mtexi5GLg4hgRWMErc3TGKD cL4wSnzcuJoZwvnMKDFp/x6gMg6wlqt9IRDx5YwSRz9/hCp6zyjRs3YNI8hcYYF4iSlfFrGB 2CICthL73zSzg9jMAscZJc7sUASx2QSsJCa2rwKrZxFQkeiY2MoKskBUIEKi/4w6SJhXQFDi 5MwnLCA2p4C7xOSWXhaIMfISzVtng+2VEJjHLrFn1kF2iIYyie/TTkD95iIxY/Y6JghbWOLV 8S3sELaMxOnJPSwQzdMZJd78WgrlrGeUWHPmGFSHtcTh4xfBLmIW0JRYv0sfIuwocWLCdWhI 8EnceCsIcRCfxKRt05khwrwSHW1CENVqEhuWbWCDWdu1cyXUaR4St499Zp7AqDgLyZuzkLw2 C2HvAkbmVYziqaXFuempxYZ5qeV6xYm5xaV56XrJ+bmbGIHp5fS/4592MH69lHSIUYCDUYmH d2XArmgh1sSy4srcQ4wSHMxKIryi24FCvCmJlVWpRfnxRaU5qcWHGKU5WJTEeZfN2xgtJJCe WJKanZpakFoEk2Xi4JRqYNyx4vEX/WVL3RlqIw7IRe681CBr/mPXm+pr8SasLUeZBLz9WQ8c S/14q3fZ3sfX1bgVXBYdMv9RUSGil5VWFSG9craUus3vpyqK/Icl+a3uJZh8P5CekzZvhm6T fL7Wig3ih8tf+i7nE0h/8oBB7pTCxXkh7xLaHrtZPG7eLSO779jbv3deByqxFGckGmoxFxUn AgCKJh3lKwMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprPIsWRmVeSWpSXmKPExsVy+t/xe7qi5rujDeav0rSYf+Qcq8XGzbdZ LE70fWC1uLxrDpvF/89PWC1a9x5ht3ixRdyB3WPTqk42j43vdjB5fN4k5/Hy7wfmAJYoPZui /NKSVIWM/OISW6VoQwsjPUNLCz0jE0s9Q2PzWCsjUyV9O5uU1JzMstQifbsEvYyO02/YC7pY Kn7+nc/UwLiBuYuRg0NCwETial9IFyMXh5DAUkaJQ2/3MkLEZSSOry/rYuQEMoUl/lzrYoOo ecsoMXHNThaQhLBAvMSUL4vYQGwRAVuJ/W+a2SGKZjFKfL68kwnEYRY4zijxYtVVJpAqNgEr iYntqxhBbF4BO4k7B6ezgtgsAioSHRNbwWxRgQiJWw87WCBqBCVOznwCZnMKuEtMbukFs5kF 1CX+zLvEDGHLSzRvnc08gVFwFpKWWUjKZiEpW8DIvIpRJLW0ODc9t9hIrzgxt7g0L10vOT93 EyMwcrYd+7llB2PXu+BDjAIcjEo8vCsCdkULsSaWFVfmHmKU4GBWEuEV3Q4U4k1JrKxKLcqP LyrNSS0+xGgK9MREZinR5HxgVOeVxBuaGppbWBqaG5sbm1koifOeN6iMEhJITyxJzU5NLUgt gulj4uCUamDsUlz64ILoNt/SNaF7E5kinax/cP1x4rr/e6H8wmKreTUFNxmLrh6sOGIlauY6 98rVj3ba9U5ndjfFSe/TN3w7ed5Ssbwrk9VLJt9lfiK6sqJ/385DBYemntbrnHTi9G6R7Tc4 pgjvWP3shRwb36LL56dwJ2uUb/nQ19VTay8XW9T3hkPetmyREktxRqKhFnNRcSIABifq4bIC AAA= Message-Id: <20181008105310eucas1p1347f43171fe1e7cc8122711927a30bb0~bnLLu5wP61861618616eucas1p1i@eucas1p1.samsung.com> X-CMS-MailID: 20181008105310eucas1p1347f43171fe1e7cc8122711927a30bb0 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20180927092738epcas5p28c53516b73fe7747133914f40c84d6c4 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20180927092738epcas5p28c53516b73fe7747133914f40c84d6c4 References: <1538040281-21319-1-git-send-email-michal.vokac@ysoft.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/27/2018 11:24 AM, Michal Vokáč wrote: > The reset signal can be produced by GPIO expander that can sleep. > In that case the probe function fails. Allow using GPIO expanders for > the reset signal by using the non-atomic gpiod_set_value_cansleep() > function. > > Signed-off-by: Michal Vokáč > Reviewed-by: Fabio Estevam Patch queued for 4.20, thanks. Best regards, -- Bartlomiej Zolnierkiewicz Samsung R&D Institute Poland Samsung Electronics