[patch 04/16] powerpc: remove dead code in iommu.h

Sascha Hauer s.hauer at pengutronix.de
Fri Nov 3 19:47:30 EST 2006


On Fri, Nov 03, 2006 at 09:21:53AM +1100, Benjamin Herrenschmidt wrote:
> On Thu, 2006-11-02 at 13:55 +0100, s.hauer at pengutronix.de wrote:
> > plain text document attachment
> > (powerpc-include-asm-powerpc-iommu_h-remove-dead-code.diff)
> > iommu_setup_pSeries() and iommu_setup_dart() are declared extern but are
> > not implemented, so remove them. iommu_free_table() is pSeries specific,
> > so #ifdef it with CONFIG_PPC_PSERIES and not CONFIG_PPC_MULTIPLATFORM
> > 
> > Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> 
> There is no need to #ifdef an extern declaration. Just remove the
> ifdef's and the two obsolete prototypes alltogether
> 

Here we go:

iommu_setup_pSeries() and iommu_setup_dart() are declared extern but are
not implemented, so remove them. iommu_free_table() is pSeries specific,
so #ifdef it with CONFIG_PPC_PSERIES and not CONFIG_PPC_MULTIPLATFORM

Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>

Index: include/asm-powerpc/iommu.h
===================================================================
--- a/include/asm-powerpc/iommu.h.orig
+++ b/include/asm-powerpc/iommu.h
@@ -70,17 +70,9 @@ struct iommu_table {
 struct scatterlist;
 struct device_node;
 
-#ifdef CONFIG_PPC_MULTIPLATFORM
-
-/* Walks all buses and creates iommu tables */
-extern void iommu_setup_pSeries(void);
-extern void iommu_setup_dart(void);
-
 /* Frees table for an individual device node */
 extern void iommu_free_table(struct device_node *dn);
 
-#endif /* CONFIG_PPC_MULTIPLATFORM */
-
 /* Initializes an iommu_table based in values set in the passed-in
  * structure
  */

-- 
 Dipl.-Ing. Sascha Hauer | http://www.pengutronix.de
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