On Mon, Jul 6, 2009 at 11:27 PM, Alan Stern<stern@xxxxxxxxxxxxxxxxxxx> wrote: > On Mon, 6 Jul 2009, Ramya Desai wrote: > >> Dear Experts, >> >> Is there any limitation in calling usb_sg_init() from completion callback? >> I am getting the srb structure parameters from URB context. > > You can call usb_sg_init from a completion callback, provided you pass > it the GFP_ATOMIC memory flag. However you cannot call usb_sg_wait > from a completion callback. > > Alan Stern If I schedule a tasklet, can I call usb_sg_wait() from that tasklet ?. -RD -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
