From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mark Lord <liml@rtr.ca>
Subject: Re: [PATCH] sata_via VT6421 vendor update
Date: Sun, 11 Dec 2005 23:34:18 -0500
Message-ID: <439CFDCA.2020902@rtr.ca>
References: <439CF781.3080400@pobox.com>
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To: Jeff Garzik <jgarzik@pobox.com>
Cc: "linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>, Linux Kernel <linux-kernel@vger.kernel.org>

Jeff Garzik wrote:
> 
> +	switch (adev->dma_mode & 0x07) {
> +		case 0:
> +			cfg_byte = 0xee;
> +			break;	
> +		case 1:
> +			cfg_byte = 0xe8;
> +			break;	
> +		case 2:
> +			cfg_byte = 0xe6;
> +			break;	
> +		case 3:
> +			cfg_byte = 0xe4;
> +			break;	
> +		case 4:
> +			cfg_byte = 0xe2;
> +			break;	
> +		case 5:
> +			cfg_byte = 0xe1;
> +			break;	
> +		case 6:
> +			cfg_byte = 0xe0;
> +			break;	
> +		default:
> +			cfg_byte = 0xe0;
> +	}

Mmm.. replace all that with this (?):

	u8 cfg_bytes[8] = {0xee, 0xe8, 0xe6, 0xe4, 0xe2, 0xe1, 0xe0, 0xe0};
	cfg_byte = cfg_bytes[adev->dma_mode & 7];

-ml