On 01/28/2013 11:27 AM, Lars-Peter Clausen wrote:
> Quite a few drivers have a implementation of the get_timeout_clock callback
> which simply returns the result of clk_get_rate on devices clock. This patch
> adds a common implementation of this to the sdhci-pltfm module and replaces 
> all
> custom implementations with the common one.
> 
> Signed-off-by: Lars-Peter Clausen <[email protected]>
> ---
> I've only runtime tested this patch on a platform which is not yet upstream. 
> For
> the drivers which are modified in this patch I've only done compile time
> testing. But I think all changes, but maybe the bcm2835 one, are straight
> forward.

It seems to work fine for bcm2835. So,

Tested-by: Stephen Warren <[email protected]>

> @@ -148,9 +131,9 @@ static struct sdhci_ops bcm2835_sdhci_ops = {
>       .read_l = bcm2835_sdhci_readl,
>       .read_w = bcm2835_sdhci_readw,
>       .read_b = bcm2835_sdhci_readb,
> -     .get_max_clock = bcm2835_sdhci_get_max_clock,
> +     .get_max_clock = sdhci_pltfm_clk_get_max_clock,
>       .get_min_clock = bcm2835_sdhci_get_min_clock,
> -     .get_timeout_clock = bcm2835_sdhci_get_timeout_clock,
> +     .get_timeout_clock = sdhci_pltfm_clk_get_max_clock,
>  };

Rather than requiring .get_max_clock and .get_timeout_clock to be set by
each driver, perhaps the SDHCI core can call
sdhci_pltfm_clk_get_max_clock() if the function pointer is NULL?
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