[PATCH v4 2/3] ARM: omap: hwmod: get rid of all omap_clk_get_by_name usage

[Russell King - ARM Linux]

On Wed, Aug 29, 2012 at 02:26:15PM +0530, Rajendra Nayak wrote:
> Moving to Common clk framework for OMAP would mean we no longer use
> internal lookup mechanism like omap_clk_get_by_name().
> get rid of all its usage mostly from hwmod and omap_device
> code.
> 
> Also use IS_ERR_OR_NULL() for error checking.

This is wrong.  IS_ERR() is the only check you should ever use with clk_get().