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    SubjectRe: [PATCH] get USB suspend to work again on 2.6.17-mm1
    Greg KH napsal(a):
    > Mattai and Jiri, can you try the patch below to see if it fixes the USB
    > suspend problem you are seeing with 2.6.17-mm1?
    >
    > David, we really should not be caring about what the children of a USB
    > device is doing here, as who knows what type of "device" might hang off
    > of a struct usb_device. This patch is just a band-aid around this area,
    > until Alan's patches fix up everything "properly" :)
    >
    > thanks,
    >
    > greg k-h
    >
    > -----------------------------
    > Subject: USB: get USB suspend to work again
    >
    > Yeah, it's a hack, but it is only temporary until Alan's patches
    > reworking this area make it in. We really should not care what devices
    > below us are doing, especially when we do not really know what type of
    > devices they are. This patch relies on the fact that the endpoint
    > devices do not have a driver assigned to us.
    >
    > Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
    >
    > ---
    > drivers/usb/core/usb.c | 2 ++
    > 1 file changed, 2 insertions(+)
    >
    > --- gregkh-2.6.orig/drivers/usb/core/usb.c
    > +++ gregkh-2.6/drivers/usb/core/usb.c
    > @@ -991,6 +991,8 @@ void usb_buffer_unmap_sg (struct usb_dev
    >
    > static int verify_suspended(struct device *dev, void *unused)
    > {
    > + if (dev->driver == NULL)
    > + return 0;
    > return (dev->power.power_state.event == PM_EVENT_ON) ? -EBUSY : 0;
    > }
    >

    Yeah, it works just fine.

    regards,
    --
    Jiri Slaby www.fi.muni.cz/~xslaby
    \_.-^-._ jirislaby@gmail.com _.-^-._/
    B67499670407CE62ACC8 22A032CC55C339D47A7E

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