diff options
Diffstat (limited to 'arch/arm/mach-ixp4xx/common.c')
| -rw-r--r-- | arch/arm/mach-ixp4xx/common.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c index 6d68aed6548a..df82a2b4a546 100644 --- a/arch/arm/mach-ixp4xx/common.c +++ b/arch/arm/mach-ixp4xx/common.c @@ -31,6 +31,7 @@ #include <linux/gpio.h> #include <linux/cpu.h> #include <linux/sched_clock.h> +#include <linux/pci.h> #include <mach/udc.h> #include <mach/hardware.h> @@ -578,6 +579,17 @@ void ixp4xx_restart(enum reboot_mode mode, const char *cmd) } } +int dma_set_coherent_mask(struct device *dev, u64 mask) +{ + if (dev_is_pci(dev) && mask >= SZ_64M) + return -EIO; + + dev->coherent_dma_mask = mask; + + return 0; +} +EXPORT_SYMBOL(dma_set_coherent_mask); + #ifdef CONFIG_IXP4XX_INDIRECT_PCI /* * In the case of using indirect PCI, we simply return the actual PCI |