[PATCH 19/19] omap: McBSP: Drop unnecessary status/error bit clearing on reg_cacheretrieved register values

Tony Lindgren tony at atomide.com
Thu Mar 11 19:10:59 EST 2010


* Tony Lindgren <tony at atomide.com> [100311 16:04]:
> From eee91441bf26c6ea88656eb9866e706b1e07d30b Mon Sep 17 00:00:00 2001
> From: Janusz Krzysztofik <jkrzyszt at tis.icnet.pl>
> Date: Tue, 23 Feb 2010 15:50:38 +0000
> Subject: [PATCH] omap: McBSP: Drop unnecessary status/error bit clearing on reg_cacheretrieved register values
> 
> The MsBSP register cache will never have any error/status flags set, since
> these flags are never written to the reg_cache. So it is kind of not
> necessary to clear these flags, which are actually always 0.
> 
> In other words, clearing the status/error flags are not necessary, since the
> reg_cache will never got these bits set. We can just write back the
> register content from the cache as it is when clearing an error condition.
> 
> Tested on Amstrad Delta.

And this one is really patch 18/19. Sorry again.

Tony



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