* bus/usb/ohci.c (grub_ohci_transfer): Fill *actual and respect timeout.
* bus/usb/uhci.c (grub_free_queue): Compute *actual.
(grub_uhci_transfer): Respect timeout and set *actual.
* bus/usb/usb.c (grub_usb_device_initialize): Correctly skip fields of
non-standard length.
(grub_usb_device_attach): Autoload modules.
(GRUB_MOD_INIT): Set grub_term_poll_usb.
(GRUB_MOD_FINI): Unset grub_term_poll_usb.
* bus/usb/usbhub.c (grub_usb_hub): Replace speed with devices. All
users updated.
(grub_usb_add_hub): Fill nports and children.
(attach_root_port): Receive hub instead of controller.
All users updated. Fill hub->devices.
(grub_usb_root_hub): Allocate hub->devices.
(detach_device): New function.
(poll_nonroot_hub): Fill children and detach devices.
* bus/usb/usbtrans.c (grub_usb_bulk_readwrite): Accept timeout and
actual arguments. All users updated.
(grub_usb_bulk_read_extended): New function.
* bus/usb/serial/common.c: New file.
* bus/usb/serial/ftdi.c: Likewise.
* bus/usb/serial/pl2303.c: Likewise.
* commands/terminal.c (handle_command): Support wildcard.
* commands/usbtest.c: Output "Unknown" instead of empty string.
* conf/any-emu.rmk (pkglib_MODULES): Add usbserial_common.mod.
(usbserial_common_mod_SOURCES): New variable.
(usbserial_common_mod_CFLAGS): Likewise.
(usbserial_common_mod_LDFLAGS): Likewise.
(pkglib_MODULES): Add usbserial_pl2303.mod.
(usbserial_pl2303_mod_SOURCES): New variable.
(usbserial_pl2303_mod_CFLAGS): Likewise.
(usbserial_pl2303_mod_LDFLAGS): Likewise.
(pkglib_MODULES): Add usbserial_ftdi.mod.
(usbserial_ftdi_mod_SOURCES): New variable.
(usbserial_ftdi_mod_CFLAGS): Likewise.
(usbserial_ftdi_mod_LDFLAGS): Likewise.
(pkglib_MODULES): Add serial.mod.
(serial_mod_SOURCES): New variable.
(serial_mod_CFLAGS): Likewise.
(serial_mod_LDFLAGS): Likewise.
* conf/i386-pc.rmk: Likewise.
* conf/mips-yeeloong.rmk: Likewise.
* conf/i386.rmk (serial_mod_SOURCES): Add term/ns8250.c.
* conf/mips-yeeloong.rmk (kernel_img_SOURCES): Likewise.
* disk/usbms.c (first_available_slot): New variable.
(grub_usbms_attach): Don't reuse free slots due to potential cache
problems.
* include/grub/serial.h: Moved to ..
* include/grub/ns8250.h: ...this.
* include/grub/serial.h: New file.
* include/grub/term.h (grub_term_poll_usb): New variable.
* include/grub/terminfo.h (grub_terminfo_input_state): Pass term to
readkey. All users updated.
(grub_terminfo_output_state): Pass term to put.
* include/grub/usb.h (GRUB_USB_REQTYPE): New enum.
(grub_usb_controller_dev): Add timeout and actual arguments to
transfer. All users updated.
(grub_usb_interface): New field detach_data.
(grub_usb_device): New fields children and nports.
(grub_usb_ep_type_t): New type.
(grub_usb_get_ep_type): New function.
(grub_usb_bulk_read_extended): Likewise.
* include/grub/usbdesc.h (grub_usb_desc): New type.
* include/grub/usbserial.h: New file.
* include/grub/usbtrans.h (grub_usb_transaction): New field preceding.
* kern/term.c (grub_term_poll_usb): New variable.
(grub_getkey): Call grub_term_poll_usb if set.
(grub_checkkey): Likewise.
(grub_getkeystatus): Likewise.
* term/serial.c: Moved controller-specific parts to ...
* term/ns8250.c: ... here.
* term/serial.c: Mostly rewritten.
* term/usb_keyboard.c: Reorganised to use GET_REPORT only on attaching
according to spec.
