Re: [Outreachy kernel][PATCH] staging: media: hantro: Rewrite macro function in lower case

[Julia Lawall <julia.lawall@inria.fr>]

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On Fri, 9 Apr 2021, ascordeiro wrote:

> Em sex, 2021-04-09 às 13:44 -0300, Ezequiel Garcia escreveu:
> > Hi Aline,
>
> Hi Ezequiel,
> >
> > On Fri, 2021-04-09 at 10:54 -0300, Aline Santana Cordeiro wrote:
> > > Rewrite macros resembling functions #define HANTRO_PP_REG_WRITE
> > > and #define HANTRO_PP_RED_WRITE_S in lower case, according with
> > > code style.

Maybe you can see if these macros can be converted to static inline
functions.  Macros don't provide any type checking.

julia

> > >
> >
> > Where is this written in the Coding Style?
>
> I found this in section 12, about Macros, Enums and RTL in both
> references:
> https://www.kernel.org/doc/html/latest/process/coding-style.html
> https://elixir.bootlin.com/linux/latest/source/Documentation/process/coding-style.rst
> >
> > Thanks!
> > Ezequiel
>
> Thank you!
> Aline
> >
> > > Signed-off-by: Aline Santana Cordeiro <
> > > alinesantanacordeiro@gmail.com>
> > > ---
> > >  drivers/staging/media/hantro/hantro_postproc.c | 34 +++++++++++++-
> > > ------------
> > >  1 file changed, 17 insertions(+), 17 deletions(-)
> > >
> > > diff --git a/drivers/staging/media/hantro/hantro_postproc.c
> > > b/drivers/staging/media/hantro/hantro_postproc.c
> > > index 6d2a8f2a..06279c0 100644
> > > --- a/drivers/staging/media/hantro/hantro_postproc.c
> > > +++ b/drivers/staging/media/hantro/hantro_postproc.c
> > > @@ -12,14 +12,14 @@
> > >  #include "hantro_hw.h"
> > >  #include "hantro_g1_regs.h"
> > >  
> > > -#define HANTRO_PP_REG_WRITE(vpu, reg_name, val) \
> > > +#define hantro_pp_reg_write(vpu, reg_name, val) \
> > >  { \
> > >         hantro_reg_write(vpu, \
> > >                          &(vpu)->variant->postproc_regs->reg_name,
> > > \
> > >                          val); \
> > >  }
> > >  
> > > -#define HANTRO_PP_REG_WRITE_S(vpu, reg_name, val) \
> > > +#define hantro_pp_reg_write_s(vpu, reg_name, val) \
> > >  { \
> > >         hantro_reg_write_s(vpu, \
> > >                            &(vpu)->variant->postproc_regs-
> > > >reg_name, \
> > > @@ -61,7 +61,7 @@ void hantro_postproc_enable(struct hantro_ctx
> > > *ctx)
> > >                 return;
> > >  
> > >         /* Turn on pipeline mode. Must be done first. */
> > > -       HANTRO_PP_REG_WRITE_S(vpu, pipeline_en, 0x1);
> > > +       hantro_pp_reg_write_s(vpu, pipeline_en, 0x1);
> > >  
> > >         src_pp_fmt = VPU_PP_IN_NV12;
> > >  
> > > @@ -79,19 +79,19 @@ void hantro_postproc_enable(struct hantro_ctx
> > > *ctx)
> > >         dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
> > >         dst_dma = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf,
> > > 0);
> > >  
> > > -       HANTRO_PP_REG_WRITE(vpu, clk_gate, 0x1);
> > > -       HANTRO_PP_REG_WRITE(vpu, out_endian, 0x1);
> > > -       HANTRO_PP_REG_WRITE(vpu, out_swap32, 0x1);
> > > -       HANTRO_PP_REG_WRITE(vpu, max_burst, 16);
> > > -       HANTRO_PP_REG_WRITE(vpu, out_luma_base, dst_dma);
> > > -       HANTRO_PP_REG_WRITE(vpu, input_width, MB_WIDTH(ctx-
> > > >dst_fmt.width));
> > > -       HANTRO_PP_REG_WRITE(vpu, input_height, MB_HEIGHT(ctx-
> > > >dst_fmt.height));
> > > -       HANTRO_PP_REG_WRITE(vpu, input_fmt, src_pp_fmt);
> > > -       HANTRO_PP_REG_WRITE(vpu, output_fmt, dst_pp_fmt);
> > > -       HANTRO_PP_REG_WRITE(vpu, output_width, ctx->dst_fmt.width);
> > > -       HANTRO_PP_REG_WRITE(vpu, output_height, ctx-
> > > >dst_fmt.height);
> > > -       HANTRO_PP_REG_WRITE(vpu, orig_width, MB_WIDTH(ctx-
> > > >dst_fmt.width));
> > > -       HANTRO_PP_REG_WRITE(vpu, display_width, ctx-
> > > >dst_fmt.width);
> > > +       hantro_pp_reg_write(vpu, clk_gate, 0x1);
> > > +       hantro_pp_reg_write(vpu, out_endian, 0x1);
> > > +       hantro_pp_reg_write(vpu, out_swap32, 0x1);
> > > +       hantro_pp_reg_write(vpu, max_burst, 16);
> > > +       hantro_pp_reg_write(vpu, out_luma_base, dst_dma);
> > > +       hantro_pp_reg_write(vpu, input_width, MB_WIDTH(ctx-
> > > >dst_fmt.width));
> > > +       hantro_pp_reg_write(vpu, input_height, MB_HEIGHT(ctx-
> > > >dst_fmt.height));
> > > +       hantro_pp_reg_write(vpu, input_fmt, src_pp_fmt);
> > > +       hantro_pp_reg_write(vpu, output_fmt, dst_pp_fmt);
> > > +       hantro_pp_reg_write(vpu, output_width, ctx->dst_fmt.width);
> > > +       hantro_pp_reg_write(vpu, output_height, ctx-
> > > >dst_fmt.height);
> > > +       hantro_pp_reg_write(vpu, orig_width, MB_WIDTH(ctx-
> > > >dst_fmt.width));
> > > +       hantro_pp_reg_write(vpu, display_width, ctx-
> > > >dst_fmt.width);
> > >  }
> > >  
> > >  void hantro_postproc_free(struct hantro_ctx *ctx)
> > > @@ -146,5 +146,5 @@ void hantro_postproc_disable(struct hantro_ctx
> > > *ctx)
> > >         if (!vpu->variant->postproc_regs)
> > >                 return;
> > >  
> > > -       HANTRO_PP_REG_WRITE_S(vpu, pipeline_en, 0x0);
> > > +       hantro_pp_reg_write_s(vpu, pipeline_en, 0x0);
> > >  }
> >
> >
>
>
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