On Sat, Feb 10, 2007 at 05:14:13PM -0500, Tejun Heo wrote:
> Heiko Carstens wrote:
> >On Sat, Feb 10, 2007 at 12:43:16PM -0500, Tejun Heo wrote:
> \>> Heiko, how about this? Does it fix s390?
> >Unfortunately not. Now I get
> > CC lib/iomap.o
> >lib/iomap.c: In function 'devm_ioport_map_release':
> >lib/iomap.c:270: warning: implicit declaration of function 'ioport_unmap'
> >lib/iomap.c: In function 'devm_ioport_map':
> >lib/iomap.c:297: warning: implicit declaration of function 'ioport_map'
> >lib/iomap.c:297: warning: assignment makes pointer from integer without a cast
>
> I think an arch needs to support ioport_map/unmap and noncoherent dma
> (just alias to coherent interface on x86/amd64) interface whether PCI is
> implemented or not. No?
I sent a patch earlier which "fixes" at least the dma stuff by adding some
more defines to asm-generic/dma-mapping-broken.h
The patch below (on top of your latest one) makes sure s390 builds at
least again until all this got sorted out.
---
Hack to make s390 build again.
Signed-off-by: Heiko Carstens <[email protected]>
---
include/asm-s390/io.h | 14 ++++++++++++++
1 file changed, 14 insertions(+)
Index: linux-2.6/include/asm-s390/io.h
===================================================================
--- linux-2.6.orig/include/asm-s390/io.h
+++ linux-2.6/include/asm-s390/io.h
@@ -61,6 +61,20 @@ static inline void * ioremap_nocache (un
extern void iounmap(void *addr);
/*
+ * FIXME: remove ioport stuff asap again.
+ */
+static inline void __iomem *ioport_map(unsigned long port, unsigned int size)
+{
+ BUG();
+ return NULL;
+}
+
+static inline void ioport_unmap(void __iomem *addr)
+{
+ BUG();
+}
+
+/*
* IO bus memory addresses are also 1:1 with the physical address
*/
#define virt_to_bus virt_to_phys
-
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