Re: [PATCH V3 1/8] CLKDEV: Add helper routines to allocate and add clkdevs for given struct clk *

[Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>]

On Sat, Apr 28, 2012 at 10:52:22AM +0100, Russell King - ARM Linux wrote:
> +
> +/**
> + * clk_register_clkdev - register one clock lookup for a struct clk
> + * @clk: struct clk to associate with all clk_lookups
> + * @con_id: connection ID string on device
> + * @dev_id: format string describing device name
> + *
> + * con_id or dev_id may be NULL as a wildcard, just as in the rest of
> + * clkdev.
> + *
> + * To make things easier for mass registration, we detect the NULL clk
> + * from a previous clk_register() call, and generate an error code for
> + * that.  This is to permit this function to be called immediately after
> + * clk_register().
> + */
> +int clk_register_clkdev(struct clk *clk, const char *con_id,
> +	const char *dev_fmt, ...)
> +{
> +	struct clk_lookup *cl;
> +	va_list ap;
> +
> +	if (!clk)
> +		return -ENOMEM;

clk_register was recently changed to return ERR_PTR in Mikes branch.

Sascha

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