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Date: Mon, 13 Mar 2017 22:44:57 +0100 (CET)
From: Julia Lawall <julia.lawall@...6.fr>
To: Arushi Singhal <arushisinghal19971997@...il.com>
cc: w.d.hubbs@...il.com, chris@...-brannons.com,
outreachy-kernel@...glegroups.com, kirk@...sers.ca,
samuel.thibault@...-lyon.org, gregkh@...uxfoundation.org,
speakup@...ux-speakup.org, devel@...verdev.osuosl.org,
linux-kernel@...r.kernel.org
Subject: Re: [Outreachy kernel] [PATCH v3 4/4] staging: sm750fb: Remove
typedefs
On Tue, 14 Mar 2017, Arushi Singhal wrote:
> This patch removes typedefs from structures and renames them as per
> kernel coding standards.
Greg requested that typedef removing patches adjust only one patch at a
time.
The names of the types typically need to be adjusted as compared to what
is in the typedef. In your cases, the type names begin with _ and end
with _t. Beginning with _ means that something is sort of internal,
rarely used etc. That made sense when there was a typedef, but since you
are removing that, the _ at the front should go too. Likewise, _t is an
extension that indicates a typedef, but you don't have that any more, so
the _t should be dropped too.
Finally, the log message talks about structures, but the changes involve
one structure and one enum. The log message should describe everything
that has changed.
julia
>
> Signed-off-by: Arushi Singhal <arushisinghal19971997@...il.com>
> ---
> drivers/staging/sm750fb/ddk750_mode.c | 6 +++---
> drivers/staging/sm750fb/ddk750_mode.h | 20 +++++++++-----------
> drivers/staging/sm750fb/sm750_hw.c | 2 +-
> 3 files changed, 13 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/staging/sm750fb/ddk750_mode.c b/drivers/staging/sm750fb/ddk750_mode.c
> index eea5aef2956f..25da678179f7 100644
> --- a/drivers/staging/sm750fb/ddk750_mode.c
> +++ b/drivers/staging/sm750fb/ddk750_mode.c
> @@ -12,7 +12,7 @@
> * HW only supports 7 predefined pixel clocks, and clock select is
> * in bit 29:27 of Display Control register.
> */
> -static unsigned long displayControlAdjust_SM750LE(mode_parameter_t *pModeParam, unsigned long dispControl)
> +static unsigned long displayControlAdjust_SM750LE(struct _mode_parameter_t *pModeParam, unsigned long dispControl)
> {
> unsigned long x, y;
>
> @@ -72,7 +72,7 @@ static unsigned long displayControlAdjust_SM750LE(mode_parameter_t *pModeParam,
> }
>
> /* only timing related registers will be programed */
> -static int programModeRegisters(mode_parameter_t *pModeParam, struct pll_value *pll)
> +static int programModeRegisters(struct _mode_parameter_t *pModeParam, struct pll_value *pll)
> {
> int ret = 0;
> int cnt = 0;
> @@ -198,7 +198,7 @@ static int programModeRegisters(mode_parameter_t *pModeParam, struct pll_value *
> return ret;
> }
>
> -int ddk750_setModeTiming(mode_parameter_t *parm, clock_type_t clock)
> +int ddk750_setModeTiming(struct _mode_parameter_t *parm, clock_type_t clock)
> {
> struct pll_value pll;
> unsigned int uiActualPixelClk;
> diff --git a/drivers/staging/sm750fb/ddk750_mode.h b/drivers/staging/sm750fb/ddk750_mode.h
> index 6d204b8b4a01..5f8347d87800 100644
> --- a/drivers/staging/sm750fb/ddk750_mode.h
> +++ b/drivers/staging/sm750fb/ddk750_mode.h
> @@ -3,37 +3,35 @@
>
> #include "ddk750_chip.h"
>
> -typedef enum _spolarity_t {
> +enum _spolarity_t {
> POS = 0, /* positive */
> NEG, /* negative */
> -}
> -spolarity_t;
> +};
>
> -typedef struct _mode_parameter_t {
> +struct _mode_parameter_t {
> /* Horizontal timing. */
> unsigned long horizontal_total;
> unsigned long horizontal_display_end;
> unsigned long horizontal_sync_start;
> unsigned long horizontal_sync_width;
> - spolarity_t horizontal_sync_polarity;
> + enum _spolarity_t horizontal_sync_polarity;
>
> /* Vertical timing. */
> unsigned long vertical_total;
> unsigned long vertical_display_end;
> unsigned long vertical_sync_start;
> unsigned long vertical_sync_height;
> - spolarity_t vertical_sync_polarity;
> + enum _spolarity_t vertical_sync_polarity;
>
> /* Refresh timing. */
> unsigned long pixel_clock;
> unsigned long horizontal_frequency;
> - unsigned long vertical_frequency;
> + enum _spolarity_t vertical_frequency;
>
> /* Clock Phase. This clock phase only applies to Panel. */
> - spolarity_t clock_phase_polarity;
> -}
> -mode_parameter_t;
> + enum _spolarity_t clock_phase_polarity;
> +};
>
> -int ddk750_setModeTiming(mode_parameter_t *parm, clock_type_t clock);
> +int ddk750_setModeTiming(struct _mode_parameter_t *parm, clock_type_t clock);
>
> #endif
> diff --git a/drivers/staging/sm750fb/sm750_hw.c b/drivers/staging/sm750fb/sm750_hw.c
> index fab3fc9c8330..4233e0bf12a7 100644
> --- a/drivers/staging/sm750fb/sm750_hw.c
> +++ b/drivers/staging/sm750fb/sm750_hw.c
> @@ -252,7 +252,7 @@ int hw_sm750_crtc_setMode(struct lynxfb_crtc *crtc,
> {
> int ret, fmt;
> u32 reg;
> - mode_parameter_t modparm;
> + struct _mode_parameter_t modparm;
> clock_type_t clock;
> struct sm750_dev *sm750_dev;
> struct lynxfb_par *par;
> --
> 2.11.0
>
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