Re: [patch 2/4] sdio: set the functions' block size

[Pierre Ossman]

On Tue, 07 Aug 2007 13:54:32 +0100
David Vrabel <david.vrabel@xxxxxxx> wrote:

>  
> Index: mmc/drivers/mmc/core/sdio.c
> ===================================================================
> --- mmc.orig/drivers/mmc/core/sdio.c	2007-08-07
> 00:38:33.000000000 +0100 +++ mmc/drivers/mmc/core/sdio.c
> 2007-08-07 07:17:29.000000000 +0100 @@ -53,6 +53,7 @@
>  {
>  	int ret;
>  	struct sdio_func *func;
> +	unsigned block_size;
>  
>  	BUG_ON(fn > SDIO_MAX_FUNCS);
>  
> @@ -70,6 +71,15 @@
>  	if (ret)
>  		goto fail;
>  
> +	/*
> +	 * Set the function's block size to the largest supported by
> +	 * both the function and the host.
> +	 */
> +	block_size = min(func->max_blksize,
> func->card->host->max_blk_size);
> +	ret = sdio_set_block_size(func, block_size);
> +	if (ret)
> +		goto fail;
> +
>  	card->sdio_func[fn - 1] = func;
>  
>  	return 0;

This is probably better done in the sdio_enable_func().

We also need to check that the card actually supports block io.

-- 
     -- Pierre Ossman

  Linux kernel, MMC maintainer        http://www.kernel.org
  PulseAudio, core developer          http://pulseaudio.org
  rdesktop, core developer          http://www.rdesktop.org
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