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SubjectRe: [2.5 patch] remove 2.4 compatibility code from irda/vlsi_ir.h
On Sun, 20 Oct 2002, Adrian Bunk wrote:

Hi Adrian,

> I got the following compile error in 2.5.44:
> <-- snip -->
> ...
> gcc -Wp,-MD,drivers/net/irda/.vlsi_ir.o.d -D__KERNEL__ -Iinclude -Wall
> -Wstrict-prototypes -Wno-trigraphs -O2 -fomit-frame-pointer -fno-strict-aliasing
> -fno-common -pipe -mpreferred-stack-boundary=2 -march=k6
> -Iarch/i386/mach-generic -nostdinc -iwithprefix include -DKBUILD_BASENAME=vlsi_ir -c -o
> drivers/net/irda/vlsi_ir.o drivers/net/irda/vlsi_ir.c
> In file included from drivers/net/irda/vlsi_ir.c:53:
> include/net/irda/vlsi_ir.h:30: parse error
> make[3]: *** [drivers/net/irda/vlsi_ir.o] Error 1

Thanks for doing these tests. Unfortunately I've never seen this problem
before. Might be it's because the whole linux-irda system is assumed to be
build as module and I've almost never tried compiling it into the kernel.

Anyway, of course I agree with you the stuff must not break compiling.
It looks like you are right, there's a linux/version.h missing in the
includes. Does this solve the issue for you (it does for me)?

> vlsi_ir.h in 2.4 and 2.5 differ significantly, and I therefore suggest the
> following patch to remove the compatibility stuff that caused this problem
> (IMHO a better solution than an #include <linux/version.h>):

The 2.5/2.4 differences are only temporarily there and due to the usual
approach to apply new stuff to 2.5 first before moving into 2.4. The
current 2.5 code should go into 2.4 rather soon and there will be further
changes along this path. So the compatibility defines are there for a good
reason and the very few differences between 2.4 and 2.5 (wrt. this
driver) do not justify the increased effort of having two versions.

> -#define pci_dma_prep_single(dev, addr, size, direction) /* nothing */

If this gets removed I can assure you the driver won't compile ;-)

Please apply the following fix.



--- linux-2.5.44/drivers/net/irda/vlsi_ir.c Sat Oct 12 13:51:07 2002
+++ v2.5.44-md-ob/drivers/net/irda/vlsi_ir.c Mon Oct 21 19:23:53 2002
@@ -44,6 +44,7 @@
#include <linux/time.h>
#include <linux/proc_fs.h>
#include <linux/smp_lock.h>
+#include <linux/version.h>
#include <asm/uaccess.h>

#include <net/irda/irda.h>

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