linux-stable/arch/powerpc/kernel/dma-mask.c
Christoph Hellwig 11ddce1545 dma-mapping, powerpc: simplify the arch dma_set_mask override
Instead of letting the architecture supply all of dma_set_mask just
give it an additional hook selected by Kconfig.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2019-02-18 22:41:03 +11:00

12 lines
279 B
C

// SPDX-License-Identifier: GPL-2.0
#include <linux/dma-mapping.h>
#include <linux/export.h>
#include <asm/machdep.h>
void arch_dma_set_mask(struct device *dev, u64 dma_mask)
{
if (ppc_md.dma_set_mask)
ppc_md.dma_set_mask(dev, dma_mask);
}
EXPORT_SYMBOL(arch_dma_set_mask);