[PATCH v2 2/2] staging: sm750fb: Remove unused return variable in program_mode_registers()

From: Dorcas AnonoLitunya
Date: Thu Oct 19 2023 - 06:15:27 EST


Drops variable ret as it is unused in the code. This therefore modifies
the return type of program_mode_registers() to void from int since the
return value is being ignored in all function calls. This improves code
readability and maintainability.

Suggested-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Dorcas AnonoLitunya <anonolitunya@xxxxxxxxx>
---
Changes in v2:
- Drop variable 'ret' entirely as it is unused.
Suggested-by: Julia Lawall <julia.lawall@xxxxxxxx>, Greg Kroah-Hartman
<gregkh@xxxxxxxxxxxxxxxxxxx>, Dan Carpenter <dan.carpenter@xxxxxxxxxx>

drivers/staging/sm750fb/ddk750_mode.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/sm750fb/ddk750_mode.c b/drivers/staging/sm750fb/ddk750_mode.c
index 83ace6cc9583..4278f9a826ab 100644
--- a/drivers/staging/sm750fb/ddk750_mode.c
+++ b/drivers/staging/sm750fb/ddk750_mode.c
@@ -73,10 +73,9 @@ display_control_adjust_sm750le(struct mode_parameter *mode_param,
}

/* only timing related registers will be programed */
-static int program_mode_registers(struct mode_parameter *mode_param,
- struct pll_value *pll)
+static void program_mode_registers(struct mode_parameter *mode_param,
+ struct pll_value *pll)
{
- int ret = 0;
int cnt = 0;
unsigned int tmp, reg;

@@ -199,10 +198,7 @@ static int program_mode_registers(struct mode_parameter *mode_param,
break;
poke32(PANEL_DISPLAY_CTRL, tmp | reg);
}
- } else {
- ret = -1;
}
- return ret;
}

int ddk750_set_mode_timing(struct mode_parameter *parm, enum clock_type clock)
--
2.42.0.345.gaab89be2eb