On Wed, Apr 20, 2022 at 08:23:16PM -0400, Ian Cowan wrote:
> This is a patch to refactor the zoran debugging function. This function
> existed in all of the changed files and they also all import the
> videocodec header file. This patch moves the dprintk function into the
> videocodec header file and out of each of the individual files.
>
> Signed-off-by: Ian Cowan <i...@linux.cowan.aero>
> ---
> drivers/staging/media/zoran/videocodec.c | 67 +++++++++++++--------
> drivers/staging/media/zoran/videocodec.h | 7 +++
> drivers/staging/media/zoran/zr36016.c | 48 ++++++++-------
> drivers/staging/media/zoran/zr36050.c | 77 ++++++++++++------------
> drivers/staging/media/zoran/zr36060.c | 54 ++++++++---------
> 5 files changed, 141 insertions(+), 112 deletions(-)
>
> diff --git a/drivers/staging/media/zoran/videocodec.c
> b/drivers/staging/media/zoran/videocodec.c
> index 3af7d02bd910..e35d1f54d9b8 100644
> --- a/drivers/staging/media/zoran/videocodec.c
> +++ b/drivers/staging/media/zoran/videocodec.c
> @@ -20,12 +20,6 @@ static int videocodec_debug;
> module_param(videocodec_debug, int, 0);
> MODULE_PARM_DESC(videocodec_debug, "Debug level (0-4)");
>
> -#define dprintk(num, format, args...) \
> - do { \
> - if (videocodec_debug >= num) \
> - printk(format, ##args); \
> - } while (0)
> -
> struct attached_list {
> struct videocodec *codec;
> struct attached_list *next;
> @@ -56,8 +50,8 @@ struct videocodec *videocodec_attach(struct
> videocodec_master *master)
> return NULL;
> }
>
> - dprintk(2, "%s: '%s', flags %lx, magic %lx\n", __func__,
> - master->name, master->flags, master->magic);
> + dprintk(videocodec_debug, 2, "%s: '%s', flags %lx, magic %lx\n",
> + __func__, master->name, master->flags, master->magic);
[ snip ]
> +/* Print debug information based on the specified level of debugging */
> +#define dprintk(debug, num, format, args...) \
> +do { \
> + if (debug > num) \
> + printk(format, ##args); \
> +} while (0)
> +
I don't like the new format. It needs to have a KERN_DEBUG at the
start. Passing the param_module is awkward. No one knows what the
magic "num" things are.
Using a module parameter is old school badness. The standard dev_dbg()
macros are better and more flexible. Just use them instead.
regards,
dan carpenter
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