[PATCH] ARM: OMAP2xxx: PM: fix OMAP2xxx-specific UART idle bug in v3.3

[Kevin Hilman]

Paul Walmsley <paul at pwsan.com> writes:

> [ This patch is targeted for v3.3-rc ]
>
> On OMAP2420-based systems, the PM code ignores the state of the UART
> functional clocks when determining what idle state to enter.  This
> breaks the serial port now that the UART driver's clock behavior can
> be controlled via the PM autosuspend timeout.
>
> To fix, remove the special-case idle handling for the UARTs in the
> OMAP2420/2430 PM idle code added by commit
> 4af4016c53f52b26461b8030211f8427a58fa5ed ("OMAP3: PM: UART: disable
> clocks when idle and off-mode support").
>
> Tested on Nokia N800.  This patch is a collaboration between Tony
> Lindgren <tony at atomide.com> and Paul Walmsley <paul at pwsan.com>.
>
> Cc: Kevin Hilman <khilman at ti.com>
> Cc: Tony Lindgren <tony at atomide.com>
> Signed-off-by: Paul Walmsley <paul at pwsan.com>

Acked-by: Kevin Hilman <khilman at ti.com>