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authorJarkko Nikula <jhnikula@gmail.com>2011-04-27 17:02:37 +0300
committerFelipe Balbi <balbi@ti.com>2011-05-02 12:34:32 +0300
commit383cf4e8d47f902600263191f8f167379c376985 (patch)
treeef90c8a3bc44c70d5eb122911ae50f4685d41f2e /drivers/md
parentf0e615c3cb72b42191b558c130409335812621d8 (diff)
usb: musb: omap2430: Fix retention idle on musb peripheral only boards
Recent runtime pm and hwmod conversions for 2.6.39 broke the musb peripheral mode OMAP retention idle on boards where the board mode in struct musb_hdrc_platform_data is set to MUSB_PERIPHERAL. These conversions changed the way how the OTG_SYSCONFIG register is configured and used in runtime. Before 2.6.39 smart standby/idle modes were activated statically in OTG_SYSCONFIG. Those modes allow that the musb is able to idle when peripheral device is not connected to host. In 2.6.39 the OTG_SYSCONFIG is updated runtime depending on VBUS status. No standby/idle modes are used when device is connected and force standby/idle when disconnected. Unfortunately VBUS disconnect event that handles the disconnect case lets the peripheral musb to idle only when board mode is MUSB_OTG. Fix this by checking the peripheral mode also. Signed-off-by: Jarkko Nikula <jhnikula@gmail.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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