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Fri, 6 Dec 2019 15:53:15 +0900 (KST) Received: from epsmtrp2.samsung.com (unknown [182.195.40.14]) by epcas5p3.samsung.com (KnoxPortal) with ESMTPA id 20191206065315epcas5p31cea423889a39b4fc4b350fc0681fe7c~dtawYrgE12908629086epcas5p3H; Fri, 6 Dec 2019 06:53:15 +0000 (GMT) Received: from epsmgms1p2new.samsung.com (unknown [182.195.42.42]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20191206065315epsmtrp2b5dbafa8b0166cec4130e1416ceb3532~dtawX8Pkf3273732737epsmtrp2Z; Fri, 6 Dec 2019 06:53:15 +0000 (GMT) X-AuditID: b6c32a49-7c1ff70000014d0e-30-5de9fadbd8d7 Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgms1p2new.samsung.com (Symantec Messaging Gateway) with SMTP id A9.C1.06569.BDAF9ED5; Fri, 6 Dec 2019 15:53:15 +0900 (KST) Received: from pankjsharma02 (unknown [107.111.85.32]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20191206065313epsmtip143ccef58c0711e68d79f29240247ee72~dtavAIJ0r1340813408epsmtip1Q; Fri, 6 Dec 2019 06:53:13 +0000 (GMT) From: "pankj.sharma" To: "'Dan Murphy'" Cc: , , , , , , , In-Reply-To: Subject: RE: [PATCH 0/2] can: m_can_platform: Bug fix of kernel panic for Date: Fri, 6 Dec 2019 12:23:11 +0530 Message-ID: <021d01d5ac01$d55f1220$801d3660$@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Outlook 16.0 Content-Language: en-us Thread-Index: AQE7rWdEBMvebVKOOOKqXHxmn9mClwHtd6OFAaMRhhWoxCE6wA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrOKsWRmVeSWpSXmKPExsWy7bCmlu7tXy9jDaYtN7GYc76FxaL79BZW i1XfpzJbXN41h81i/aIpLBbHFohZLNr6hd1i1oUdrBZL7+1kdeD02LLyJpPHx0u3GT36/xp4 9G1Zxehx/MZ2Jo/Pm+QC2KK4bFJSczLLUov07RK4Mp7tOc9S8JS74vem96wNjB1cXYycHBIC JhIvd2xn7GLk4hAS2M0o8eP7SxYI5xOjRM+NZ0wQzjdGiXmn1zPCtKx41sEGkdjLKLHn2252 COc1o8SHW0fZQKrYBPQlpjT9ZQGxRQSUJVY1nALrYBa4wihxeuoLsFGcAlYSfasWgRUJC3hK rG9ey9rFyMHBIqAi0XBODsTkFbCUOPJDFaSCV0BQ4uTMJ2DVzALaEssWvmaGOEhB4ufTZawQ cXGJl0ePsEOsdZI4f+oVK8haCYH/bBI3Zu5jAZkpIeAiMeFSAkSvsMSr41vYIWwpic/v9rJB 2NkSC3f3Q5VXSLTNEIYI20scuDIHLMwsoCmxfpc+xFY+id7fT5ggqnklOtqEIKrVJKY+fQcN NRmJO482Qw33kJi84ADLBEbFWUj+moXkr1lIfpmFsGwBI8sqRsnUguLc9NRi0wLDvNRyveLE 3OLSvHS95PzcTYzg5KTluYNx1jmfQ4wCHIxKPLwzPr+IFWJNLCuuzD3EKMHBrCTCm873MlaI NyWxsiq1KD++qDQntfgQozQHi5I47yTWqzFCAumJJanZqakFqUUwWSYOTqkGxszj7+e9Vtmp zFXzqYDJ+dSzc1djeT210l7JMs09kH/w0F1z/0InRfa7wh/CZrjds2W1+3H2/KNHSvxfcsUj Tb0P2By5sie5y/ZswknDLSVSvTll7/WCeiYedKt5UnpW9sLm2l23dr6Zv8Yh/WOzp83kC3oz qqS4jR/G71B8q8WWsNHfZJWcthJLcUaioRZzUXEiANj0qoBKAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprNIsWRmVeSWpSXmKPExsWy7bCSnO7tXy9jDU7OFraYc76FxaL79BZW i1XfpzJbXN41h81i/aIpLBbHFohZLNr6hd1i1oUdrBZL7+1kdeD02LLyJpPHx0u3GT36/xp4 9G1Zxehx/MZ2Jo/Pm+QC2KK4bFJSczLLUov07RK4Mh73eBS846q4P+8bYwPjDY4uRk4OCQET iRXPOti6GLk4hAR2M0p8fbmDpYuRAyghI7H4czVEjbDEyn/P2SFqXjJKrL/6mxEkwSagLzGl 6S8LiC0ioCyxquEU2CBmgTuMEstPfoaaepxR4s6Df8wgVZwCVhJ9qxaBdQgLeEqsb17LCrKN RUBFouGcHIjJK2ApceSHKkgFr4CgxMmZT8CqmQW0JZ7efApnL1v4mhniOAWJn0+XsULExSVe Hj3CDnGPk8T5U69YJzAKz0IyahaSUbOQjJqFpH0BI8sqRsnUguLc9NxiwwKjvNRyveLE3OLS vHS95PzcTYzgKNPS2sF44kT8IUYBDkYlHt4Zn1/ECrEmlhVX5h5ilOBgVhLhTed7GSvEm5JY WZValB9fVJqTWnyIUZqDRUmcVz7/WKSQQHpiSWp2ampBahFMlomDU6qB0WOGT6B/UYJBnLa+ 27I3Egt6m+4oaeiVbKp8+2dLgmLvztsv39u0qmjtYehbcfRkqSsve31rBJPpZIaZh+TeVXbf fR9r1syjnr/C6foSzarLcy52i2378Yy/uOinz83LLJWHFyiYMIYHaPlt/LJEsiO9/kn9z8yo 5xu8HtU96n2qe1OyYfVhJZbijERDLeai4kQAEzTZGq4CAAA= X-CMS-MailID: 20191206065315epcas5p31cea423889a39b4fc4b350fc0681fe7c X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" CMS-TYPE: 105P X-CMS-RootMailID: 20191119102134epcas5p4d3c1b18203e2001c189b9fa7a0e3aab5 References: <1574158838-4616-1-git-send-email-pankj.sharma@samsung.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org > From: Dan Murphy > Subject: Re: =5BPATCH 0/2=5D can: m_can_platform: Bug fix of kernel panic= for >=20 > Pankaj >=20 > On 11/19/19 4:20 AM, Pankaj Sharma wrote: > > The current code is failing while clock prepare enable because of not > > getting proper clock from platform device. > > A device driver for CAN controller hardware registers itself with the > > Linux network layer as a network device. So, the driver data for m_can > > should ideally be of type net_device. > > > > Further even when passing the proper net device in probe function the > > code was hanging because of the function m_can_runtime_resume() > > getting recursively called from m_can_class_resume(). > > > > Pankaj Sharma (2): > > can: m_can_platform: set net_device structure as driver data > > can: m_can_platform: remove unnecessary m_can_class_resume() call >=20 > Did you CC: linux-stable for these? We are probably going to have custom= ers > picking up 5.4 LTS and would need these bug fixes. Hello Dan,=20 I haven=E2=80=99t=20copied=20to=20linux-stable,=20but=20the=20patches=20are= =20already=20in=20linux-stable=20branch.=20=0D=0AYou=20can=20check=20in=20f= ollowing=20link.=0D=0Ahttps://git.kernel.org/pub/scm/linux/kernel/git/stabl= e/linux.git/log/?h=3Dlinux-5.4.y=0D=0A=0D=0APankaj=0D=0A=0D=0A>=20=0D=0A>= =20Or=20at=20the=20very=20least=20see=20if=20the=20stable=20automation=20wi= ll=20pick=20these=20up.=0D=0A>=20=0D=0A>=20Dan=0D=0A>=20=0D=0A=0D=0A=0D=0A