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

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Message-ID: <138794d79c42510d9b6ae744df20216904773032.camel@gmail.com>
Date:   Fri, 09 Apr 2021 14:00:22 -0300
From:   ascordeiro <alinesantanacordeiro@...il.com>
To:     Ezequiel Garcia <ezequiel@...labora.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-media@...r.kernel.org, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org, outreachy-kernel@...glegroups.com
Subject: Re: [Outreachy kernel][PATCH] staging: media: hantro: Rewrite macro
 function in lower case

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.
> > 
> 
> 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@...il.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);
> >  }
> 
>