musb: make initial HNP roleswitch work (v2)

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Minor HNP bugfixes, so the initial role switch works:

 - A-Device:
     * disconnect-during-suspend enters A_PERIPHERAL state
     * kill OTG timer after reset as A_PERIPHERAL ...
     * ... and also pass that reset to the gadget
     * once HNP succeeds, clear the "ignore_disconnect" flag
     * from A_PERIPHERAL, disconnect transitions to A_WAIT_BCON

 - B-Device:
     * kill OTG timer on entry to B_HOST state (HNP succeeded)
     * once HNP succeeds, clear "ignore_disconnect" flag
     * kick the root hub only _after_ the state is adjusted

Other state transitions are left alone.  Notably, exit paths from
the "roles have switched" state ... A_PERIPHERAL handling of that
stays seriously broken.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

...

This commit is contained in:

David Brownell 2009-04-02 10:16:11 -07:00 • committed by Greg Kroah-Hartman

parent f7f9d63eac

commit 1de00dae80

3 changed files with 27 additions and 13 deletions

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27

drivers/usb/musb/musb_core.c

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2

drivers/usb/musb/musb_gadget.c

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11

drivers/usb/musb/musb_virthub.c

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