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usb gadget: link fixes for serial gadget 

Change how the serial 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: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
David Brownell 2008-08-18 17:41:02 -07:00 committed by Greg Kroah-Hartman
parent 7fb6b5d51d
commit 4e9ba518ec
2 changed files with 19 additions and 1 deletions
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2
drivers/usb/gadget/Makefile
View File

@ -26,7 +26,7 @@ C_UTILS = composite.o usbstring.o config.o epautoconf.o
g_zero-objs := zero.o f_sourcesink.o f_loopback.o $(C_UTILS)
g_ether-objs := ether.o u_ether.o f_subset.o f_ecm.o $(C_UTILS)
g_serial-objs := serial.o u_serial.o f_acm.o f_serial.o $(C_UTILS)
g_serial-objs := serial.o
g_midi-objs := gmidi.o usbstring.o config.o epautoconf.o
gadgetfs-objs := inode.o
g_file_storage-objs := file_storage.o usbstring.o config.o \

18
drivers/usb/gadget/serial.c
View File

@ -30,6 +30,24 @@
/*-------------------------------------------------------------------------*/
/*
* 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 "composite.c"
#include "usbstring.c"
#include "config.c"
#include "epautoconf.c"
#include "f_acm.c"
#include "f_serial.c"
#include "u_serial.c"
/*-------------------------------------------------------------------------*/
/* Thanks to NetChip Technologies for donating this product ID.
*
* DO NOT REUSE THESE IDs with a protocol-incompatible driver!! Ever!!