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usb gadget: link fixes for storage gadget

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Change how the file storage 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 17:43:25 -07:00 committed by Greg Kroah-Hartman
parent 0a56b03f68
commit 352e2b961c
2 changed files with 13 additions and 2 deletions
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3
drivers/usb/gadget/Makefile
View file

@ -29,8 +29,7 @@ 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
gadgetfs-objs := inode.o
g_file_storage-objs := file_storage.o usbstring.o config.o \
epautoconf.o
g_file_storage-objs := file_storage.o
g_printer-objs := printer.o
g_cdc-objs := cdc2.o u_ether.o f_ecm.o \
u_serial.o f_acm.o $(C_UTILS)

12
drivers/usb/gadget/file_storage.c
View file

@ -245,6 +245,18 @@
#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"
/*-------------------------------------------------------------------------*/
#define DRIVER_DESC "File-backed Storage Gadget"