linux-kernel - Re: [PATCH 2/2] ide: pass hw_regs_t-s to ide_device_add[

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Date:	Sun, 22 Jun 2008 10:58:46 +0200 (CEST)
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
cc:	linux-ide@...r.kernel.org,
	Linux Kernel Development <linux-kernel@...r.kernel.org>,
	Linux/m68k <linux-m68k@...r.kernel.org>
Subject: Re: [PATCH 2/2] ide: pass hw_regs_t-s to ide_device_add[_all]()

On Fri, 20 Jun 2008, Bartlomiej Zolnierkiewicz wrote:
> * Add 'hw_regs_t **hws' argument to ide_device_add[_all]() and convert
>   host drivers + drivers/ide/setup-pci.c to use it instead of calling
>   ide_init_port_hw() directly (however if host has more than 1 port we
>   must still set hwif->chipset to hint consecutive ide_find_port() call
>   that the ide_hwifs[] slot is occupied).
> 
> * Unexport ide_init_port_hw().
> 
> There should be no functional changes caused by this patch.

Brr... seems to complicate the bookkeeping a lot...

I looked at the m68k drivers only:

> --- a/drivers/ide/legacy/buddha.c
> +++ b/drivers/ide/legacy/buddha.c
> @@ -148,7 +148,6 @@ static void __init buddha_setup_ports(hw
>  
>  static int __init buddha_init(void)
>  {
> -	hw_regs_t hw;
>  	ide_hwif_t *hwif;
>  	int i;
>  
> @@ -159,6 +158,7 @@ static int __init buddha_init(void)
>  
>  	while ((z = zorro_find_device(ZORRO_WILDCARD, z))) {
>  		unsigned long board;
> +		hw_regs_t hw[3], *hws[] = { NULL, NULL, NULL, NULL };
			     ^
max(BUDDHA_NUM_HWIFS, CATWEASEL_NUM_HWIFS, XSURF_NUM_HWIFS)

				  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Another magic constant, hws[] always has 4 elements?

> --- a/drivers/ide/legacy/gayle.c
> +++ b/drivers/ide/legacy/gayle.c
> @@ -125,6 +125,7 @@ static void __init gayle_setup_ports(hw_
>  static int __init gayle_init(void)
>  {
>      int a4000, i;
> +    hw_regs_t hw[2], *hws[] = { NULL, NULL, NULL, NULL };
		    ^
		    GAYLE_NUM_HWIFS

> Index: b/drivers/ide/legacy/q40ide.c
> ===================================================================
> --- a/drivers/ide/legacy/q40ide.c
> +++ b/drivers/ide/legacy/q40ide.c
> @@ -112,7 +112,7 @@ static int __init q40ide_init(void)
>  {
>      int i;
>      ide_hwif_t *hwif;
> -    const char *name;
> +    hw_regs_t hw[2], *hws[] = { NULL, NULL, NULL, NULL };
		    ^
		    Q40IDE_NUM_HWIFS

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds
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