Re: Regressions for older OMAP3503 silicon

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On Wed, 5 Oct 2011, Kevin Hilman wrote:

> The need to comment this out suggests that omap3_has_io_wakeup() is
> returning true for this SoC but should not.
> 
> Looking at mach-omap2/io.c, that feature flag is not set on the 3505 and
> 3517, but is set on the 3503:
> 
> 	if (!cpu_is_omap3505() && !cpu_is_omap3517())
> 		omap_features |= OMAP3_HAS_IO_WAKEUP;
> 
> Adding a case for the 3503 here should fix this problem.
> 
> Maybe check other checks for cpu_is_omap3505() and see if those should
> also be checking for the 3503.

I think 3503 supports I/O wakeup, but just doesn't support the I/O chain 
enable sequence.  So as I understand it, there's a window where wakeup 
events could be lost.

- Paul
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