[edk2] [PATCH 06/19] ArmPlatformPkg: PL111Lcd: Replace magic number with macro

evan.lloyd@arm.com posted 19 patches 7 years, 3 months ago
There is a newer version of this series
[edk2] [PATCH 06/19] ArmPlatformPkg: PL111Lcd: Replace magic number with macro
Posted by evan.lloyd@arm.com 7 years, 3 months ago
From: Girish Pathak <girish.pathak@arm.com>

Minor code change, replaces magic number with macro in LCD disable.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Girish Pathak <girish.pathak@arm.com>
Signed-off-by: Evan Lloyd <evan.lloyd@arm.com>
---
 ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/PL111Lcd.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/PL111Lcd.c b/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/PL111Lcd.c
index f432c8d802614e8a0e4ddab3898f6e0dbf9a1572..12db9d910ed1d7874095a5f79fe588491811f75a 100644
--- a/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/PL111Lcd.c
+++ b/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/PL111Lcd.c
@@ -122,8 +122,7 @@ LcdSetMode (
   }
 
   // Disable the CLCD_LcdEn bit
-  LcdControl = MmioRead32 (PL111_REG_LCD_CONTROL);
-  MmioWrite32 (PL111_REG_LCD_CONTROL, LcdControl & ~1);
+  MmioAnd32 (PL111_REG_LCD_CONTROL, ~PL111_CTRL_LCD_EN);
 
   // Set Timings
   MmioWrite32 (
-- 
Guid("CE165669-3EF3-493F-B85D-6190EE5B9759")

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Re: [edk2] [PATCH 06/19] ArmPlatformPkg: PL111Lcd: Replace magic number with macro
Posted by Leif Lindholm 7 years, 2 months ago
On Tue, Sep 26, 2017 at 09:15:16PM +0100, evan.lloyd@arm.com wrote:
> From: Girish Pathak <girish.pathak@arm.com>
> 
> Minor code change, replaces magic number with macro in LCD disable.
> 
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Girish Pathak <girish.pathak@arm.com>
> Signed-off-by: Evan Lloyd <evan.lloyd@arm.com>

Always appreciated.
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>

> ---
>  ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/PL111Lcd.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/PL111Lcd.c b/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/PL111Lcd.c
> index f432c8d802614e8a0e4ddab3898f6e0dbf9a1572..12db9d910ed1d7874095a5f79fe588491811f75a 100644
> --- a/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/PL111Lcd.c
> +++ b/ArmPlatformPkg/Drivers/LcdGraphicsOutputDxe/PL111Lcd.c
> @@ -122,8 +122,7 @@ LcdSetMode (
>    }
>  
>    // Disable the CLCD_LcdEn bit
> -  LcdControl = MmioRead32 (PL111_REG_LCD_CONTROL);
> -  MmioWrite32 (PL111_REG_LCD_CONTROL, LcdControl & ~1);
> +  MmioAnd32 (PL111_REG_LCD_CONTROL, ~PL111_CTRL_LCD_EN);
>  
>    // Set Timings
>    MmioWrite32 (
> -- 
> Guid("CE165669-3EF3-493F-B85D-6190EE5B9759")
> 
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