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Tue, 21 Dec 2021 12:41:47 -0800 (PST) Received: from debianG ([190.191.20.243]) by smtp.gmail.com with ESMTPSA id n20sm50421qkp.65.2021.12.21.12.41.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Dec 2021 12:41:47 -0800 (PST) Date: Tue, 21 Dec 2021 17:41:46 -0300 From: Gaston Gonzalez To: Greg KH Cc: linux-staging@lists.linux.dev, nsaenz@kernel.org, f.fainelli@gmail.com, rjui@broadcom.com, sbranden@broadcom.com, bcm-kernel-feedback-list@broadcom.com, juerg.haefliger@canonical.com, rdunlap@infradead.org, dave.stevenson@raspberrypi.com, stefan.wahren@i2se.com, unixbhaskar@gmail.com, mitaliborkar810@gmail.com, phil@raspberrypi.com, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, gascoar@gmail.com Subject: Re: [PATCH 2/4] staging: vc04_services: avoid the use of typedef for function pointers Message-ID: References: <7f681ccee713ef8600f40c765b6a59e119c6bf2c.1639858361.git.gascoar@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Dec 21, 2021 at 07:19:45AM +0100, Greg KH wrote: > On Mon, Dec 20, 2021 at 06:29:12PM -0300, Gaston Gonzalez wrote: > > Replace typedef bm2835_mmal_v4l2_ctrl_cb with equivalent declaration to > > better align with the linux kernel coding style. > > > > Signed-off-by: Gaston Gonzalez > > --- > > .../vc04_services/bcm2835-camera/controls.c | 76 +++++++++---------- > > 1 file changed, 35 insertions(+), 41 deletions(-) > > > > diff --git a/drivers/staging/vc04_services/bcm2835-camera/controls.c b/drivers/staging/vc04_services/bcm2835-camera/controls.c > > index b096a12387f7..7782742396fc 100644 > > --- a/drivers/staging/vc04_services/bcm2835-camera/controls.c > > +++ b/drivers/staging/vc04_services/bcm2835-camera/controls.c > > @@ -65,13 +65,6 @@ enum bm2835_mmal_ctrl_type { > > MMAL_CONTROL_TYPE_CLUSTER, /* special cluster entry */ > > }; > > > > -struct bm2835_mmal_v4l2_ctrl; > > - > > -typedef int(bm2835_mmal_v4l2_ctrl_cb)( > > - struct bm2835_mmal_dev *dev, > > - struct v4l2_ctrl *ctrl, > > - const struct bm2835_mmal_v4l2_ctrl *mmal_ctrl); > > Function pointer typedefs are ok, if they are needed. > > > - > > struct bm2835_mmal_v4l2_ctrl { > > u32 id; /* v4l2 control identifier */ > > enum bm2835_mmal_ctrl_type type; > > @@ -84,7 +77,8 @@ struct bm2835_mmal_v4l2_ctrl { > > u64 step; /* step size of the control */ > > const s64 *imenu; /* integer menu array */ > > u32 mmal_id; /* mmal parameter id */ > > - bm2835_mmal_v4l2_ctrl_cb *setter; > > + int (*bm2835_mmal_v4l2_ctrl_cb)(struct bm2835_mmal_dev *dev, struct v4l2_ctrl *ctrl, > > + const struct bm2835_mmal_v4l2_ctrl *mmal_ctrl); > > No need to rename this function pointer, why not keep it at "setter"? > That would make this patch much smaller and more obvious. > Ok, will do that in v2. thanks, Gaston > thanks, > > greg k-h >