linux-kernel - Re: [Outreachy kernel] [PATCH] staging: sm750fb: align arguments with open parenthesis

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Date:   Sat, 12 Oct 2019 07:41:37 +0200 (CEST)
From:   Julia Lawall <julia.lawall@...6.fr>
To:     Gabriela Bittencourt <gabrielabittencourt00@...il.com>
cc:     outreachy-kernel@...glegroups.com, sudipm.mukherjee@...il.com,
        teddy.wang@...iconmotion.com, gregkh@...uxfoundation.org,
        linux-fbdev@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org, lkcamp@...ts.libreplanetbr.org,
        trivial@...nel.org
Subject: Re: [Outreachy kernel] [PATCH] staging: sm750fb: align arguments
 with open parenthesis



On Fri, 11 Oct 2019, Gabriela Bittencourt wrote:

> Cleans up checks of "Alignment should match open parenthesis" in tree sm750fb
>
> Signed-off-by: Gabriela Bittencourt <gabrielabittencourt00@...il.com>
> ---
>  drivers/staging/sm750fb/ddk750_display.c |  2 +-
>  drivers/staging/sm750fb/sm750_accel.c    |  2 +-
>  drivers/staging/sm750fb/sm750_accel.h    |  8 ++++----
>  drivers/staging/sm750fb/sm750_cursor.h   | 10 +++++-----
>  4 files changed, 11 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/staging/sm750fb/ddk750_display.c b/drivers/staging/sm750fb/ddk750_display.c
> index 887ea8aef43f..8be98a1058d6 100644
> --- a/drivers/staging/sm750fb/ddk750_display.c
> +++ b/drivers/staging/sm750fb/ddk750_display.c
> @@ -148,7 +148,7 @@ void ddk750_set_logical_disp_out(enum disp_output output)
>  	if (output & PNL_SEQ_USAGE) {
>  		/* set  panel sequence */
>  		sw_panel_power_sequence((output & PNL_SEQ_MASK) >> PNL_SEQ_OFFSET,
> -		4);
> +					4);
>  	}
>
>  	if (output & DAC_USAGE)
> diff --git a/drivers/staging/sm750fb/sm750_accel.c b/drivers/staging/sm750fb/sm750_accel.c
> index dbcbbd1055da..1a9555bb9edd 100644
> --- a/drivers/staging/sm750fb/sm750_accel.c
> +++ b/drivers/staging/sm750fb/sm750_accel.c
> @@ -289,7 +289,7 @@ static unsigned int deGetTransparency(struct lynx_accel *accel)
>  }
>
>  int sm750_hw_imageblit(struct lynx_accel *accel,
> -		 const char *pSrcbuf, /* pointer to start of source buffer in system memory */
> +		       const char *pSrcbuf, /* pointer to start of source buffer in system memory */
>  		 u32 srcDelta,          /* Pitch value (in bytes) of the source buffer, +ive means top down and -ive mean button up */
>  		 u32 startBit, /* Mono data can start at any bit in a byte, this value should be 0 to 7 */
>  		 u32 dBase,    /* Address of destination: offset in frame buffer */

It is strange that the change is only does for the firsr parameter, and
not for all of them.

The kernel also uses a doc format for describing function patameters in a
single comment before the function.  Look around in other files to see the
format.  That would look much nicer than these comments going over 80
columns.


> diff --git a/drivers/staging/sm750fb/sm750_accel.h b/drivers/staging/sm750fb/sm750_accel.h
> index c4f42002a50f..8fb79b09fdd0 100644
> --- a/drivers/staging/sm750fb/sm750_accel.h
> +++ b/drivers/staging/sm750fb/sm750_accel.h
> @@ -190,9 +190,9 @@ void sm750_hw_set2dformat(struct lynx_accel *accel, int fmt);
>  void sm750_hw_de_init(struct lynx_accel *accel);
>
>  int sm750_hw_fillrect(struct lynx_accel *accel,
> -				u32 base, u32 pitch, u32 Bpp,
> -				u32 x, u32 y, u32 width, u32 height,
> -				u32 color, u32 rop);
> +		      u32 base, u32 pitch, u32 Bpp,
> +		      u32 x, u32 y, u32 width, u32 height,
> +		      u32 color, u32 rop);
>
>  int sm750_hw_copyarea(
>  struct lynx_accel *accel,
> @@ -210,7 +210,7 @@ unsigned int height, /* width and height of rectangle in pixel value */
>  unsigned int rop2);
>
>  int sm750_hw_imageblit(struct lynx_accel *accel,
> -		 const char *pSrcbuf, /* pointer to start of source buffer in system memory */
> +		       const char *pSrcbuf, /* pointer to start of source buffer in system memory */
>  		 u32 srcDelta,          /* Pitch value (in bytes) of the source buffer, +ive means top down and -ive mean button up */
>  		 u32 startBit, /* Mono data can start at any bit in a byte, this value should be 0 to 7 */
>  		 u32 dBase,    /* Address of destination: offset in frame buffer */

Same here.

> diff --git a/drivers/staging/sm750fb/sm750_cursor.h b/drivers/staging/sm750fb/sm750_cursor.h
> index 16ac07eb58d6..039ebfdf0bd9 100644
> --- a/drivers/staging/sm750fb/sm750_cursor.h
> +++ b/drivers/staging/sm750fb/sm750_cursor.h
> @@ -6,13 +6,13 @@
>  void sm750_hw_cursor_enable(struct lynx_cursor *cursor);
>  void sm750_hw_cursor_disable(struct lynx_cursor *cursor);
>  void sm750_hw_cursor_setSize(struct lynx_cursor *cursor,
> -						int w, int h);
> +			     int w, int h);
>  void sm750_hw_cursor_setPos(struct lynx_cursor *cursor,
> -						int x, int y);
> +			    int x, int y);

Perhaps these could just be all on one line?

julia

>  void sm750_hw_cursor_setColor(struct lynx_cursor *cursor,
> -						u32 fg, u32 bg);
> +			      u32 fg, u32 bg);
>  void sm750_hw_cursor_setData(struct lynx_cursor *cursor,
> -			u16 rop, const u8 *data, const u8 *mask);
> +			     u16 rop, const u8 *data, const u8 *mask);
>  void sm750_hw_cursor_setData2(struct lynx_cursor *cursor,
> -			u16 rop, const u8 *data, const u8 *mask);
> +			      u16 rop, const u8 *data, const u8 *mask);
>  #endif
> --
> 2.20.1
>
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