Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 19/46] usb gadget: link fixes for printer gadget | Date | Thu, 16 Oct 2008 10:10:20 -0700 |
| |
From: David Brownell <dbrownell@users.sourceforge.net>
Change how the printer 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> --- drivers/usb/gadget/Makefile | 3 +-- drivers/usb/gadget/printer.c | 14 ++++++++++++++ 2 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile index c47204f..99956b7 100644 --- a/drivers/usb/gadget/Makefile +++ b/drivers/usb/gadget/Makefile @@ -31,8 +31,7 @@ g_midi-objs := gmidi.o gadgetfs-objs := inode.o g_file_storage-objs := file_storage.o usbstring.o config.o \ epautoconf.o -g_printer-objs := printer.o usbstring.o config.o \ - epautoconf.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) diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c index 7a8d4a1..2b3b9e1 100644 --- a/drivers/usb/gadget/printer.c +++ b/drivers/usb/gadget/printer.c @@ -53,6 +53,20 @@ #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 "Printer Gadget" #define DRIVER_VERSION "2007 OCT 06" -- 1.6.0.2
| |