Re: [PATCH 07/86] pata_artop: remove dead 34MHz PCI clock support

[Sergei Shtylyov]

Hello.

Bartlomiej Zolnierkiewicz wrote:

> It has been dead for the last three years (== since the initial driver
> merge) and probability that it will ever get fixed is quite low.

> Since there is no reason to keep this dead code around any longer just
> remove it (it can still be retrieved from the git history if necessary).

> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
> ---
>  drivers/ata/pata_artop.c |   29 ++++++++---------------------
>  1 file changed, 8 insertions(+), 21 deletions(-)

> Index: b/drivers/ata/pata_artop.c
> ===================================================================
> --- a/drivers/ata/pata_artop.c
> +++ b/drivers/ata/pata_artop.c
> @@ -30,15 +30,6 @@
>  #define DRV_NAME	"pata_artop"
>  #define DRV_VERSION	"0.4.5"
>  
> -/*
> - *	The ARTOP has 33 Mhz and "over clocked" timing tables. Until we
> - *	get PCI bus speed functionality we leave this as 0. Its a variable
> - *	for when we get the functionality and also for folks wanting to
> - *	test stuff.
> - */
> -
> -static int clock = 0;
> -
>  /**
>   *	atp8xx_prereset	-	probe begin
>   *	@link: link
[...]
> @@ -223,7 +210,7 @@ static void atp850_set_dmamode(struct at
>  
>  	/* Add ultra DMA bits if in UDMA mode */
>  	if (adev->dma_mode >= XFER_UDMA_0) {
> -		u8 mode = (adev->dma_mode - XFER_UDMA_0) + 1 - clock;
> +		u8 mode = (adev->dma_mode - XFER_UDMA_0) + 1;
>  		if (mode == 0)
>  			mode = 1;

   Note that 'mode' can't be 0 anymore, so this check can be removed.

>  		ultra |= (mode << (2 * dn));
> @@ -261,7 +248,7 @@ static void atp86x_set_dmamode(struct at
>  	pci_read_config_byte(pdev, 0x44 + ap->port_no, &ultra);
>  	ultra &= ~(7 << (4  * adev->devno));	/* One nibble per drive */
>  	if (adev->dma_mode >= XFER_UDMA_0) {
> -		u8 mode = adev->dma_mode - XFER_UDMA_0 + 1 - clock;
> +		u8 mode = adev->dma_mode - XFER_UDMA_0 + 1;
>  		if (mode == 0)
>  			mode = 1;

   Same here...

MBR, Sergei
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