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

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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>
This commit is contained in:
Petr Tesarik 2023-08-02 18:33:21 +02:00 • committed by Helge Deller
parent c2ff2b736c
commit ce9ff57d39
1 changed files with 0 additions and 8 deletions
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8
arch/parisc/kernel/pci-dma.c
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@ -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;
}