parisc: pci-dma: remove unused and dead EISA code and comment

Clearly, this code isn't needed, but it gives a false positive when
grepping the complete source tree for coherent_dma_mask.

Signed-off-by: Petr Tesarik <petr.tesarik.ext@huawei.com>
Signed-off-by: Helge Deller <deller@gmx.de>

diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c
index d818ece..3f6b507 100644 (file)
--- a/arch/parisc/kernel/pci-dma.c
+++ b/arch/parisc/kernel/pci-dma.c
@@ -417,14 +417,6 @@ void *arch_dma_alloc(struct device *dev, size_t size,
        map_uncached_pages(vaddr, size, paddr);
        *dma_handle = (dma_addr_t) paddr;
 
-#if 0
-/* This probably isn't needed to support EISA cards.
-** ISA cards will certainly only support 24-bit DMA addressing.
-** Not clear if we can, want, or need to support ISA.
-*/
-       if (!dev || *dev->coherent_dma_mask < 0xffffffff)
-               gfp |= GFP_DMA;
-#endif
        return (void *)vaddr;
 }