[PATCHv9 8/8] ARM: OMAP4: USB: power down MUSB PHY if not used

Paul Walmsley paul at pwsan.com
Fri Oct 26 22:52:13 EDT 2012


Hi

On Thu, 18 Oct 2012, Tero Kristo wrote:

> Commit c9e4412ab8eb8ef82d645d8749c4ce96ad490007 removed all of the USB
> PHY functions for OMAP4, but this causes a problem with core retention
> as the MUSB module remains enabled if omap-usb2 phy driver is not used.
> This keeps the USB DPLL enabled and prevents l3_init pwrdm from idling.
> 
> Fixed by adding a minimal function back that disables the USB PHY in
> case omap-usb2 driver is not used.
> 
> Signed-off-by: Tero Kristo <t-kristo at ti.com>
> Cc: Kishon Vijay Abraham I <kishon at ti.com>
> Cc: Felipe Balbi <balbi at ti.com>
> Cc: Tony Lindgren <tony at atomide.com>

Looks like another one for Tony...

- Paul



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