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Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hMqXi-0002WY-0z; Sat, 04 May 2019 09:01:14 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hMqXe-0002W3-FL for linux-arm-kernel@lists.infradead.org; Sat, 04 May 2019 09:01:12 +0000 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id AC279206BB; Sat, 4 May 2019 09:01:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556960470; bh=1wog7op6KUdEbh1ddTxIbGBcVvZCfXmyXwq3L2djir0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=kLFImG8vEA6IBIoJ5i4sZ2ZDvwqgE8y+uv0rcN8zC+X2w0/wK7KCt+n7CcLSCay2H tbMjjMhcdkrNdFpVxfx8VCGv+0XgQZ8dJ4pKFefj+QHUEdLriQR++o5nJFQZ0FiStA t9ghh8TgGkalmZRSZve6Ek9jJyXFHUC9y88s8gIc= Date: Sat, 4 May 2019 11:01:07 +0200 From: Greg KH To: Dragan Cvetic Subject: Re: [PATCH V3 04/12] misc: xilinx_sdfec: Add open, close and ioctl Message-ID: <20190504090107.GC13840@kroah.com> References: <1556402706-176271-1-git-send-email-dragan.cvetic@xilinx.com> <1556402706-176271-5-git-send-email-dragan.cvetic@xilinx.com> <20190502172345.GC1874@kroah.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.11.4 (2019-03-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190504_020110_529784_5A8E615F X-CRM114-Status: GOOD ( 11.80 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "mark.rutland@arm.com" , "devicetree@vger.kernel.org" , "arnd@arndb.de" , "linux-kernel@vger.kernel.org" , "robh+dt@kernel.org" , Michal Simek , Derek Kiernan , "linux-arm-kernel@lists.infradead.org" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, May 03, 2019 at 04:46:12PM +0000, Dragan Cvetic wrote: > > > > -----Original Message----- > > From: Greg KH [mailto:gregkh@linuxfoundation.org] > > Sent: Thursday 2 May 2019 18:24 > > To: Dragan Cvetic > > Cc: arnd@arndb.de; Michal Simek ; linux-arm-kernel@lists.infradead.org; robh+dt@kernel.org; > > mark.rutland@arm.com; devicetree@vger.kernel.org; linux-kernel@vger.kernel.org; Derek Kiernan > > Subject: Re: [PATCH V3 04/12] misc: xilinx_sdfec: Add open, close and ioctl > > > > On Sat, Apr 27, 2019 at 11:04:58PM +0100, Dragan Cvetic wrote: > > > Add char device interface per DT node present and support > > > file operations: > > > - open(), > > > - close(), > > > - unlocked_ioctl(), > > > - compat_ioctl(). > > > > Why do you need compat_ioctl() at all? Any "new" driver should never > > need it. Just create your structures properly. > > This was a comment from Arnd, see https://lkml.org/lkml/2019/3/19/377. > Please advise. Why do you need a compat_ioctl callback when there is nothing to fix up? thanks, greg k-h _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel