Subject: [PATCH][BUILD FAILURE 03/04] Next June 04:PPC64 randconfig [drivers/net/lance.o]

From: Subrata Modak <[email-masked]>
Date: Thu, 11 Jun 2009 09:20:46 +0530

Hi Benjamin/Paul,

>On Thu, 2009-06-04 at 19:02 +0530, Subrata Modak wrote:
>CC      drivers/net/lance.o
> drivers/net/lance.c: In function 'lance_probe1':
> drivers/net/lance.c:575: error: implicit declaration of function 'isa_virt_to_bus'
> drivers/net/lance.c: In function 'lance_rx':
> drivers/net/lance.c:1197: error: implicit declaration of function 'isa_bus_to_virt'
> make[2]: *** [drivers/net/lance.o] Error 1
> make[1]: *** [drivers/net] Error 2
> make: *** [drivers] Error 2

Reference: http://lkml.org/lkml/2009/6/4/240,
To fix the following build error:

drivers/net/lance.c: In function 'lance_probe1':
drivers/net/lance.c:575: error: implicit declaration of function 'isa_virt_to_bus'
drivers/net/lance.c: In function 'lance_rx':
drivers/net/lance.c:1197: error: implicit declaration of function 'isa_bus_to_virt'
make[2]: *** [drivers/net/lance.o] Error 1
make[1]: *** [drivers/net] Error 2
make: *** [drivers] Error 2

I would like to propose the following patch. The prototypes for the functions:
'isa_virt_to_bus' & 'isa_virt_to_bus' are existing for some archs like the
mips, x86, parisc, arm & alpha, but, is missing for powerpc. Is it safe to
introduce the following soultion for powerpc ? It fixes the build problem
i reported earlier.

Signed-off-by: Subrata Modak <[email-masked]>
---

--- linux-2.6.30-rc8/arch/powerpc/include/asm/io.h.orig	2009-06-10 21:56:49.000000000 -0500
+++ linux-2.6.30-rc8/arch/powerpc/include/asm/io.h	2009-06-10 22:21:35.000000000 -0500
@@ -680,6 +680,9 @@ extern void __iounmap_at(void *ea, unsig
 #define mmio_outsw(addr, src, count)	writesw(addr, src, count)
 #define mmio_outsl(addr, src, count)	writesl(addr, src, count)
 
+#define isa_virt_to_bus		virt_to_phys
+#define isa_bus_to_virt		phys_to_virt
+
 /**
  *	virt_to_phys	-	map virtual addresses to physical
  *	@address: address to remap

---
Regards--
Subrata