And restore code to standard code.But there is a oops when usb_set_address(I
posted oops message before).Sigh
So I added some printk in code,got following msg:
Good msg (with endian enable & nasty hack):
before usb_set_address
usb-ohci.c: td_fill: td_pt @ 0xa08e4040 !
usb-ohci.c: td_fill: td->hwNextTD = 0x40408e00, td->urb @ 0x8081a850 !
usb-ohci.c: td_fill: td_pt @ 0xa08e4080 !
usb-ohci.c: td_fill: td->hwNextTD = 0x80408e00, td->urb @ 0x8081a850 !
usb-ohci.c: dl_reverse_done_list: td_list->urb @ 0x8081a850,td_list_hc = 8e4040 !
usb-ohci.c: dl_reverse_done_list: td_list->hwNextTD = 0x408e00 !
usb-ohci.c: dl_reverse_done_list: td_list->urb @ 0x8081a850,td_list_hc = 8e4000 !
usb-ohci.c: dl_reverse_done_list: td_list->hwNextTD = 0x0 !
oops msg: (standard code with frame no modification)
before usb_set_address
usb-ohci.c: td_fill: tp_pt @ 0xa086b040!
usb-ohci.c: td_fill: td->hwNextED = 0x40b08600!,urb @ 0x8081a850
usb-ohci.c: td_fill: tp_pt @ 0xa086b080!
usb-ohci.c: td_fill: td->hwNextED = 0x80b08600!,urb @ 0x8081a850
usb-ohci.c: dl_reverse_done_list: td_list->urb @ 0x8081a850,td_list_hc = 0x86b000!
usb-ohci.c: dl_reverse_done_list: td_list->hwNextTD = 0x40b08600 !
usb-ohci.c: dl_reverse_done_list: td_list->urb @ 0x8081a850,td_list_hc = 0x86b040!
usb-ohci.c: dl_reverse_done_list: td_list->hwNextTD = 0x80b08600 !
usb-ohci.c: dl_reverse_done_list: td_list->urb @ 0x0,td_list_hc = 0x86b080!
~~~~~~~~~ it should be NULL
usb-ohci.c: dl_reverse_done_list: td_list->hwNextTD = 0x0 !
I think the number of td should be two because there are only 2 td filled.
BWT: basically usb codes are same between 2.4.17 and 2.4.21.
Regards yfw
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