linux-kernel - Re: [PATCH -tip] x86: i8259.c fix style problems

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Date:	Wed, 7 Jan 2009 18:36:33 +0000 (GMT)
From:	"Maciej W. Rozycki" <macro@...ux-mips.org>
To:	Jaswinder Singh Rajput <jaswinder@...radead.org>
cc:	Ingo Molnar <mingo@...e.hu>, x86 maintainers <x86@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -tip] x86: i8259.c fix style problems

On Sun, 4 Jan 2009, Jaswinder Singh Rajput wrote:

> @@ -11,15 +11,15 @@
>  #include <linux/kernel_stat.h>
>  #include <linux/sysdev.h>
>  #include <linux/bitops.h>
> +#include <linux/acpi.h>
> +#include <linux/io.h>
> +#include <linux/delay.h>
>  
> -#include <asm/acpi.h>
>  #include <asm/atomic.h>
>  #include <asm/system.h>
> -#include <asm/io.h>
>  #include <asm/timer.h>
>  #include <asm/hw_irq.h>
>  #include <asm/pgtable.h>
> -#include <asm/delay.h>
>  #include <asm/desc.h>
>  #include <asm/apic.h>
>  #include <asm/arch_hooks.h>

 My feeling is this hunk and the following one should be submitted as 
separate patches.

> @@ -323,7 +323,7 @@ void init_8259A(int auto_eoi)
>  	outb_pic(0x11, PIC_MASTER_CMD);	/* ICW1: select 8259A-1 init */
>  
>  	/* ICW2: 8259A-1 IR0-7 mapped to 0x30-0x37 on x86-64,
> -	                       to 0x20-0x27 on i386 */
> +	   to 0x20-0x27 on i386 */
>  	outb_pic(IRQ0_VECTOR, PIC_MASTER_IMR);
>  
>  	/* 8259A-1 (the master) has a slave on IR2 */

 I think the original formatting is more readable; I would align the two 
'to's vertically even.  You can fix the comment to adhere to the Linux 
coding standard though and the whitespace "problem" will vanish 
automagically.

  Maciej
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