[U-Boot,05/20] Move display_options functions to their own header

Before adding one more function, create a separate header to help reduce
the size of common.h. Add the missing function comments and tidy up.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

 include/common.h          | 16 +---------------
 include/display_options.h | 48 +++++++++++++++++++++++++++++++++++++++++++++++
 lib/display_options.c     | 13 -------------
 3 files changed, 49 insertions(+), 28 deletions(-)
 create mode 100644 include/display_options.h

Hi Simon,

On Tue, Apr 28, 2015 at 6:48 AM, Simon Glass <sjg@chromium.org> wrote:
> Before adding one more function, create a separate header to help reduce
> the size of common.h. Add the missing function comments and tidy up.
>
> Signed-off-by: Simon Glass <sjg@chromium.org>
> ---

Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

But please see comments below.

>  include/common.h          | 16 +---------------
>  include/display_options.h | 48 +++++++++++++++++++++++++++++++++++++++++++++++
>  lib/display_options.c     | 13 -------------
>  3 files changed, 49 insertions(+), 28 deletions(-)
>  create mode 100644 include/display_options.h
>
> diff --git a/include/common.h b/include/common.h
> index cde3474..d4d704a 100644
> --- a/include/common.h
> +++ b/include/common.h
> @@ -192,22 +192,8 @@ int        cpu_init(void);
>
>  /* */
>  phys_size_t initdram (int);
> -int    display_options (void);
>
> -/**
> - * print_size() - Print a size with a suffic
> - *
> - * print sizes as "xxx KiB", "xxx.y KiB", "xxx MiB", "xxx.y MiB",
> - * xxx GiB, xxx.y GiB, etc as needed; allow for optional trailing string
> - * (like "\n")
> - *
> - * @size:      Size to print
> - * @suffix     String to print after the size
> - */
> -void print_size(uint64_t size, const char *suffix);
> -
> -int print_buffer(ulong addr, const void *data, uint width, uint count,
> -                uint linelen);
> +#include <display_options.h>
>
>  /* common/main.c */
>  void   main_loop       (void);
> diff --git a/include/display_options.h b/include/display_options.h
> new file mode 100644
> index 0000000..c222ea2
> --- /dev/null
> +++ b/include/display_options.h
> @@ -0,0 +1,48 @@
> +/*
> + * Copyright (c) 2015 Google, Inc
> + *
> + * (C) Copyright 2000-2002
> + * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
> + *
> + * SPDX-License-Identifier:    GPL-2.0+
> + */
> +
> +#ifndef __display_options_h
> +#define __display_options_h

I think we need capital letters here for the macro.

> +/**
> + * print_size() - Print a size with a suffix
> + *
> + * print sizes as "xxx KiB", "xxx.y KiB", "xxx MiB", "xxx.y MiB",

print->Print

> + * xxx GiB, xxx.y GiB, etc as needed; allow for optional trailing string
> + * (like "\n")
> + *
> + * @size:      Size to print
> + * @suffix     String to print after the size
> + */
> +void print_size(uint64_t size, const char *suffix);
> +
> +/**
> + * print_buffer() - Print data buffer in hex and ascii form
> + *
> + * Data reads are buffered so that each memory address is only read once.
> + * This is useful when displaying the contents of volatile registers.
> + *
> + * @addr:      Starting address to display at start of line
> + * @data:      pointer to data buffer
> + * @width:     data value width.  May be 1, 2, or 4.
> + * @count:     number of values to display
> + * @linelen:   Number of values to print per line; specify 0 for default length
> + */
> +int print_buffer(ulong addr, const void *data, uint width, uint count,
> +                uint linelen);
> +
> +/**
> + * display_options() - display the version string / build tag
> + *
> + * This displays the U-Boot version string. If a build tag is available this
> + * is displayed also.
> + */
> +int display_options(void);
> +
> +#endif
> diff --git a/lib/display_options.c b/lib/display_options.c
> index d5d17b2..3f32bcd 100644
> --- a/lib/display_options.c
> +++ b/lib/display_options.c
> @@ -63,19 +63,6 @@ void print_size(uint64_t size, const char *s)
>         printf (" %ciB%s", c, s);
>  }
>
> -/*
> - * Print data buffer in hex and ascii form to the terminal.
> - *
> - * data reads are buffered so that each memory address is only read once.
> - * Useful when displaying the contents of volatile registers.
> - *
> - * parameters:
> - *    addr: Starting address to display at start of line
> - *    data: pointer to data buffer
> - *    width: data value width.  May be 1, 2, or 4.
> - *    count: number of values to display
> - *    linelen: Number of values to print per line; specify 0 for default length
> - */
>  #define MAX_LINE_LENGTH_BYTES (64)
>  #define DEFAULT_LINE_LENGTH_BYTES (16)
>  int print_buffer(ulong addr, const void *data, uint width, uint count,
> --

Regards,
Bin