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Date:   Thu, 13 Dec 2018 00:29:39 +0800
From:   Frank Lee <tiny.windzz@...il.com>
To:     fabien.dessenne@...com
Cc:     Kyungmin Park <kyungmin.park@...sung.com>, s.nawrocki@...sung.com,
        mchehab@...nel.org, kgene@...nel.org, krzk@...nel.org,
        Jean-Christophe TROTIN <jean-christophe.trotin@...com>,
        linux-media@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] media: remove bdisp_dbg_declare() and hva_dbg_declare()

On Thu, Dec 6, 2018 at 7:49 PM Fabien DESSENNE <fabien.dessenne@...com> wrote:
>
> Hi,
>
> The patch itself is OK, but the commit talks about bdisp & hva while the
> patch is also for fimc-is.
> Could you please update the commit header & messages?
>
> BR
>
> Fabien
This file has been split into two.

Thanks,
Yangtao
>
> On 02/12/2018 3:04 AM, Yangtao Li wrote:
> > We already have the DEFINE_SHOW_ATTRIBUTE.There is no need to define
> > bdisp_dbg_declare and hva_dbg_declare,so remove them.Also use
> > DEFINE_SHOW_ATTRIBUTE to simplify some code.
> >
> > Signed-off-by: Yangtao Li <tiny.windzz@...il.com>
> > ---
> > Changes in v2:
> > -delete fimc_is_debugfs_open
> > ---
> >   drivers/media/platform/exynos4-is/fimc-is.c   | 16 ++-------
> >   .../media/platform/sti/bdisp/bdisp-debug.c    | 34 ++++++------------
> >   drivers/media/platform/sti/hva/hva-debugfs.c  | 36 +++++++------------
> >   3 files changed, 26 insertions(+), 60 deletions(-)
> >
> > diff --git a/drivers/media/platform/exynos4-is/fimc-is.c b/drivers/media/platform/exynos4-is/fimc-is.c
> > index f5fc54de19da..02da0b06e56a 100644
> > --- a/drivers/media/platform/exynos4-is/fimc-is.c
> > +++ b/drivers/media/platform/exynos4-is/fimc-is.c
> > @@ -738,7 +738,7 @@ int fimc_is_hw_initialize(struct fimc_is *is)
> >       return 0;
> >   }
> >
> > -static int fimc_is_log_show(struct seq_file *s, void *data)
> > +static int fimc_is_show(struct seq_file *s, void *data)
> >   {
> >       struct fimc_is *is = s->private;
> >       const u8 *buf = is->memory.vaddr + FIMC_IS_DEBUG_REGION_OFFSET;
> > @@ -752,17 +752,7 @@ static int fimc_is_log_show(struct seq_file *s, void *data)
> >       return 0;
> >   }
> >
> > -static int fimc_is_debugfs_open(struct inode *inode, struct file *file)
> > -{
> > -     return single_open(file, fimc_is_log_show, inode->i_private);
> > -}
> > -
> > -static const struct file_operations fimc_is_debugfs_fops = {
> > -     .open           = fimc_is_debugfs_open,
> > -     .read           = seq_read,
> > -     .llseek         = seq_lseek,
> > -     .release        = single_release,
> > -};
> > +DEFINE_SHOW_ATTRIBUTE(fimc_is);
> >
> >   static void fimc_is_debugfs_remove(struct fimc_is *is)
> >   {
> > @@ -777,7 +767,7 @@ static int fimc_is_debugfs_create(struct fimc_is *is)
> >       is->debugfs_entry = debugfs_create_dir("fimc_is", NULL);
> >
> >       dentry = debugfs_create_file("fw_log", S_IRUGO, is->debugfs_entry,
> > -                                  is, &fimc_is_debugfs_fops);
> > +                                  is, &fimc_is_fops);
> >       if (!dentry)
> >               fimc_is_debugfs_remove(is);
> >
> > diff --git a/drivers/media/platform/sti/bdisp/bdisp-debug.c b/drivers/media/platform/sti/bdisp/bdisp-debug.c
> > index c6a4e2de5c0c..77ca7517fa3e 100644
> > --- a/drivers/media/platform/sti/bdisp/bdisp-debug.c
> > +++ b/drivers/media/platform/sti/bdisp/bdisp-debug.c
> > @@ -315,7 +315,7 @@ static void bdisp_dbg_dump_ivmx(struct seq_file *s,
> >       seq_puts(s, "Unknown conversion\n");
> >   }
> >
> > -static int bdisp_dbg_last_nodes(struct seq_file *s, void *data)
> > +static int last_nodes_show(struct seq_file *s, void *data)
> >   {
> >       /* Not dumping all fields, focusing on significant ones */
> >       struct bdisp_dev *bdisp = s->private;
> > @@ -388,7 +388,7 @@ static int bdisp_dbg_last_nodes(struct seq_file *s, void *data)
> >       return 0;
> >   }
> >
> > -static int bdisp_dbg_last_nodes_raw(struct seq_file *s, void *data)
> > +static int last_nodes_raw_show(struct seq_file *s, void *data)
> >   {
> >       struct bdisp_dev *bdisp = s->private;
> >       struct bdisp_node *node;
> > @@ -437,7 +437,7 @@ static const char *bdisp_fmt_to_str(struct bdisp_frame frame)
> >       }
> >   }
> >
> > -static int bdisp_dbg_last_request(struct seq_file *s, void *data)
> > +static int last_request_show(struct seq_file *s, void *data)
> >   {
> >       struct bdisp_dev *bdisp = s->private;
> >       struct bdisp_request *request = &bdisp->dbg.copy_request;
> > @@ -474,7 +474,7 @@ static int bdisp_dbg_last_request(struct seq_file *s, void *data)
> >
> >   #define DUMP(reg) seq_printf(s, #reg " \t0x%08X\n", readl(bdisp->regs + reg))
> >
> > -static int bdisp_dbg_regs(struct seq_file *s, void *data)
> > +static int regs_show(struct seq_file *s, void *data)
> >   {
> >       struct bdisp_dev *bdisp = s->private;
> >       int ret;
> > @@ -582,7 +582,7 @@ static int bdisp_dbg_regs(struct seq_file *s, void *data)
> >
> >   #define SECOND 1000000
> >
> > -static int bdisp_dbg_perf(struct seq_file *s, void *data)
> > +static int perf_show(struct seq_file *s, void *data)
> >   {
> >       struct bdisp_dev *bdisp = s->private;
> >       struct bdisp_request *request = &bdisp->dbg.copy_request;
> > @@ -627,27 +627,15 @@ static int bdisp_dbg_perf(struct seq_file *s, void *data)
> >       return 0;
> >   }
> >
> > -#define bdisp_dbg_declare(name) \
> > -     static int bdisp_dbg_##name##_open(struct inode *i, struct file *f) \
> > -     { \
> > -             return single_open(f, bdisp_dbg_##name, i->i_private); \
> > -     } \
> > -     static const struct file_operations bdisp_dbg_##name##_fops = { \
> > -             .open           = bdisp_dbg_##name##_open, \
> > -             .read           = seq_read, \
> > -             .llseek         = seq_lseek, \
> > -             .release        = single_release, \
> > -     }
> > -
> >   #define bdisp_dbg_create_entry(name) \
> >       debugfs_create_file(#name, S_IRUGO, bdisp->dbg.debugfs_entry, bdisp, \
> > -                         &bdisp_dbg_##name##_fops)
> > +                         &name##_fops)
> >
> > -bdisp_dbg_declare(regs);
> > -bdisp_dbg_declare(last_nodes);
> > -bdisp_dbg_declare(last_nodes_raw);
> > -bdisp_dbg_declare(last_request);
> > -bdisp_dbg_declare(perf);
> > +DEFINE_SHOW_ATTRIBUTE(regs);
> > +DEFINE_SHOW_ATTRIBUTE(last_nodes);
> > +DEFINE_SHOW_ATTRIBUTE(last_nodes_raw);
> > +DEFINE_SHOW_ATTRIBUTE(last_request);
> > +DEFINE_SHOW_ATTRIBUTE(perf);
> >
> >   int bdisp_debugfs_create(struct bdisp_dev *bdisp)
> >   {
> > diff --git a/drivers/media/platform/sti/hva/hva-debugfs.c b/drivers/media/platform/sti/hva/hva-debugfs.c
> > index 9f7e8ac875d1..7d12a5b5d914 100644
> > --- a/drivers/media/platform/sti/hva/hva-debugfs.c
> > +++ b/drivers/media/platform/sti/hva/hva-debugfs.c
> > @@ -271,7 +271,7 @@ static void hva_dbg_perf_compute(struct hva_ctx *ctx)
> >    * device debug info
> >    */
> >
> > -static int hva_dbg_device(struct seq_file *s, void *data)
> > +static int device_show(struct seq_file *s, void *data)
> >   {
> >       struct hva_dev *hva = s->private;
> >
> > @@ -281,7 +281,7 @@ static int hva_dbg_device(struct seq_file *s, void *data)
> >       return 0;
> >   }
> >
> > -static int hva_dbg_encoders(struct seq_file *s, void *data)
> > +static int encoders_show(struct seq_file *s, void *data)
> >   {
> >       struct hva_dev *hva = s->private;
> >       unsigned int i = 0;
> > @@ -299,7 +299,7 @@ static int hva_dbg_encoders(struct seq_file *s, void *data)
> >       return 0;
> >   }
> >
> > -static int hva_dbg_last(struct seq_file *s, void *data)
> > +static int last_show(struct seq_file *s, void *data)
> >   {
> >       struct hva_dev *hva = s->private;
> >       struct hva_ctx *last_ctx = &hva->dbg.last_ctx;
> > @@ -316,7 +316,7 @@ static int hva_dbg_last(struct seq_file *s, void *data)
> >       return 0;
> >   }
> >
> > -static int hva_dbg_regs(struct seq_file *s, void *data)
> > +static int regs_show(struct seq_file *s, void *data)
> >   {
> >       struct hva_dev *hva = s->private;
> >
> > @@ -325,26 +325,14 @@ static int hva_dbg_regs(struct seq_file *s, void *data)
> >       return 0;
> >   }
> >
> > -#define hva_dbg_declare(name)                                                  \
> > -     static int hva_dbg_##name##_open(struct inode *i, struct file *f) \
> > -     {                                                                 \
> > -             return single_open(f, hva_dbg_##name, i->i_private);      \
> > -     }                                                                 \
> > -     static const struct file_operations hva_dbg_##name##_fops = {     \
> > -             .open           = hva_dbg_##name##_open,                  \
> > -             .read           = seq_read,                               \
> > -             .llseek         = seq_lseek,                              \
> > -             .release        = single_release,                         \
> > -     }
> > -
> >   #define hva_dbg_create_entry(name)                                   \
> >       debugfs_create_file(#name, 0444, hva->dbg.debugfs_entry, hva, \
> > -                         &hva_dbg_##name##_fops)
> > +                         &name##_fops)
> >
> > -hva_dbg_declare(device);
> > -hva_dbg_declare(encoders);
> > -hva_dbg_declare(last);
> > -hva_dbg_declare(regs);
> > +DEFINE_SHOW_ATTRIBUTE(device);
> > +DEFINE_SHOW_ATTRIBUTE(encoders);
> > +DEFINE_SHOW_ATTRIBUTE(last);
> > +DEFINE_SHOW_ATTRIBUTE(regs);
> >
> >   void hva_debugfs_create(struct hva_dev *hva)
> >   {
> > @@ -380,7 +368,7 @@ void hva_debugfs_remove(struct hva_dev *hva)
> >    * context (instance) debug info
> >    */
> >
> > -static int hva_dbg_ctx(struct seq_file *s, void *data)
> > +static int ctx_show(struct seq_file *s, void *data)
> >   {
> >       struct hva_ctx *ctx = s->private;
> >
> > @@ -392,7 +380,7 @@ static int hva_dbg_ctx(struct seq_file *s, void *data)
> >       return 0;
> >   }
> >
> > -hva_dbg_declare(ctx);
> > +DEFINE_SHOW_ATTRIBUTE(ctx);
> >
> >   void hva_dbg_ctx_create(struct hva_ctx *ctx)
> >   {
> > @@ -407,7 +395,7 @@ void hva_dbg_ctx_create(struct hva_ctx *ctx)
> >
> >       ctx->dbg.debugfs_entry = debugfs_create_file(name, 0444,
> >                                                    hva->dbg.debugfs_entry,
> > -                                                  ctx, &hva_dbg_ctx_fops);
> > +                                                  ctx, &ctx_fops);
> >   }
> >
> >   void hva_dbg_ctx_remove(struct hva_ctx *ctx)

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