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+2010-08-20  Vladimir Serbinenko  <phcoder@gmail.com>
+
+       USB hotunplugging and USB serial support.
+
+       * 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.
+
 2010-08-20  Colin Watson  <cjwatson@ubuntu.com>
 
        * commands/i386/pc/sendkey.c (keysym_table): Rename "numlock" to