From mboxrd@z Thu Jan 1 00:00:00 1970 From: Laurent Pinchart Subject: Re: [PATCH] [media] platform: constify vb2_ops structures Date: Fri, 09 Sep 2016 11:42:19 +0300 Message-ID: <1520635.43zSurJaks@avalon> References: <1473379150-17315-1-git-send-email-Julia.Lawall@lip6.fr> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: <1473379150-17315-1-git-send-email-Julia.Lawall@lip6.fr> Sender: linux-kernel-owner@vger.kernel.org To: Julia Lawall Cc: Sylwester Nawrocki , kernel-janitors@vger.kernel.org, Fabien Dessenne , linux-samsung-soc@vger.kernel.org, Krzysztof Kozlowski , Kukjin Kim , Andrzej Hajda , Kamil Debski , Kyungmin Park , Benoit Parrot , Guennadi Liakhovetski , Ludovic Desroches , Hyun Kwon , Mauro Carvalho Chehab , Michal Simek , =?ISO-8859-1?Q?S=F6ren?= Brinkmann , linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.orgAndrzej List-Id: linux-mediatek@lists.infradead.org Hi Julia, Thank you for the patch. On Friday 09 Sep 2016 01:59:10 Julia Lawall wrote: > Check for vb2_ops structures that are only stored in the ops field of a > vb2_queue structure. That field is declared const, so vb2_ops structures > that have this property can be declared as const also. > > The semantic patch that makes this change is as follows: > (http://coccinelle.lip6.fr/) > > // > @r disable optional_qualifier@ > identifier i; > position p; > @@ > static struct vb2_ops i@p = { ... }; > > @ok@ > identifier r.i; > struct vb2_queue e; > position p; > @@ > e.ops = &i@p; > > @bad@ > position p != {r.p,ok.p}; > identifier r.i; > struct vb2_ops e; > @@ > e@i@p > > @depends on !bad disable optional_qualifier@ > identifier r.i; > @@ > static > +const > struct vb2_ops i = { ... }; > // > > Signed-off-by: Julia Lawall For the drivers below, > drivers/media/platform/m2m-deinterlace.c | 2 +- > drivers/media/platform/rcar-vin/rcar-dma.c | 2 +- > drivers/media/platform/rcar_jpu.c | 2 +- > drivers/media/platform/sh_vou.c | 2 +- > drivers/media/platform/soc_camera/atmel-isi.c | 2 +- > drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c | 2 +- > drivers/media/platform/vim2m.c | 2 +- > drivers/media/platform/xilinx/xilinx-dma.c | 2 +- Reviewed-by: Laurent Pinchart For > drivers/media/platform/soc_camera/rcar_vin.c | 2 +- you can also add my Reviewed-by: Laurent Pinchart tag, but the driver will be scheduled for removal very soon. -- Regards, Laurent Pinchart