Re: [PATCH v7 3/5] OMAP: McBSP: Introduce caching in register write operations

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On Wed, 9 Dec 2009 21:31:20 +0100
Janusz Krzysztofik <jkrzyszt@xxxxxxxxxxxx> wrote:

> @@ -391,6 +405,10 @@ int omap_mcbsp_request(unsigned int id)
>  	}
>  	mcbsp = id_to_mcbsp_ptr(id);
>  
> +	mcbsp->reg_cache = kzalloc(omap_mcbsp_cache_size, GFP_KERNEL);
> +	if (!mcbsp->reg_cache)
> +		return -ENOMEM;
> +
>  	spin_lock(&mcbsp->lock);
>  	if (!mcbsp->free) {
>  		dev_err(mcbsp->dev, "McBSP%d is currently in use\n",

Great work. Could have my ack to patches 1-4 by moving the cache
allocation after the mcbsp->free test lines. Memory leak and other
badness would happen otherwise in case of multiple call to
omap_mcbsp_request.

Just send an update to this mail if there is no comments to another
patches.


-- 
Jarkko
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