linux-kernel - Re: [PATCH 12/18] ide: use ->tf_load in actual_try_to

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Date:	Sat, 21 Jun 2008 03:14:30 +0400
From:	Sergei Shtylyov <sshtylyov@...mvista.com>
To:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Cc:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 12/18] ide: use ->tf_load in actual_try_to_identify()

Hello.

Bartlomiej Zolnierkiewicz wrote:
> Convert actual_try_to_identify() to use ->tf_load instead of ->OUTB.
>
> There should be no functional changes caused by this patch.
>
> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
>   
[...]
> Index: b/drivers/ide/ide-probe.c
> ===================================================================
> --- a/drivers/ide/ide-probe.c
> +++ b/drivers/ide/ide-probe.c
> @@ -290,9 +290,15 @@ static int actual_try_to_identify (ide_d
>  	/* set features register for atapi
>  	 * identify command to be sure of reply
>  	 */
> -	if ((cmd == WIN_PIDENTIFY))
> -		/* disable dma & overlap */
> -		hwif->OUTB(0, io_ports->feature_addr);
> +	if (cmd == WIN_PIDENTIFY) {
> +		ide_task_t task;
> +
> +		memset(&task, 0, sizeof(task));
> +		/* disable DMA & overlap */
> +		task.tf_flags = IDE_TFLAG_OUT_FEATURE;
> +
> +		drive->hwif->tf_load(drive, &task);
> +	}
>   

   Eww, this is bulky but should be a part of your plan to switch to 
tf_load() method...

WBR, Sergei


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