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Commit 77f754c4 authored by David Brownell's avatar David Brownell Committed by Greg Kroah-Hartman
Browse files

usb gadget: link fixes for MIDI gadget 



Change how the MIDI gadget driver builds:  don't use separate
compilation, since it works poorly when key parts are library
code (with init sections etc).  Instead be as close as we can
to "gcc --combine ...".

Signed-off-by: default avatarDavid Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 7e75bc0f

drivers/usb/gadget/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -27,7 +27,7 @@ C_UTILS = composite.o usbstring.o config.o epautoconf.o 
g_zero-objs			:= zero.o

g_ether-objs			:= ether.o u_ether.o f_subset.o f_ecm.o $(C_UTILS)

g_serial-objs			:= serial.o

g_midi-objs			:= gmidi.o usbstring.o config.o epautoconf.o

g_midi-objs			:= gmidi.o

gadgetfs-objs			:= inode.o

g_file_storage-objs		:= file_storage.o usbstring.o config.o \

					epautoconf.o

drivers/usb/gadget/gmidi.c

+15 −0
Original line number Diff line number Diff line
@@ -35,6 +35,21 @@ 


#include "gadget_chips.h"





/*

 * Kbuild is not very cooperative with respect to linking separately

 * compiled library objects into one module.  So for now we won't use

 * separate compilation ... ensuring init/exit sections work to shrink

 * the runtime footprint, and giving us at least some parts of what

 * a "gcc --combine ... part1.c part2.c part3.c ... " build would.

 */

#include "usbstring.c"

#include "config.c"

#include "epautoconf.c"



/*-------------------------------------------------------------------------*/





MODULE_AUTHOR("Ben Williamson");

MODULE_LICENSE("GPL v2");