x86: delete empty functions from pci-nommu_64.c
This functions are now called conditionally on their
existence in the struct. So just delete them, instead
of keeping an empty implementation.
Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/kernel/pci-nommu_64.c b/arch/x86/kernel/pci-nommu_64.c
index 6e33076..90a7c40 100644
--- a/arch/x86/kernel/pci-nommu_64.c
+++ b/arch/x86/kernel/pci-nommu_64.c
@@ -35,10 +35,6 @@
return bus;
}
-static void nommu_unmap_single(struct device *dev, dma_addr_t addr,size_t size,
- int direction)
-{
-}
/* Map a set of buffers described by scatterlist in streaming
* mode for DMA. This is the scatter-gather version of the
@@ -71,20 +67,9 @@
return nents;
}
-/* Unmap a set of streaming mode DMA translations.
- * Again, cpu read rules concerning calls here are the same as for
- * pci_unmap_single() above.
- */
-static void nommu_unmap_sg(struct device *dev, struct scatterlist *sg,
- int nents, int dir)
-{
-}
-
const struct dma_mapping_ops nommu_dma_ops = {
.map_single = nommu_map_single,
- .unmap_single = nommu_unmap_single,
.map_sg = nommu_map_sg,
- .unmap_sg = nommu_unmap_sg,
.is_phys = 1,
};