[PATCH 1/2] Driver: firewire: Use the macro DMA_BIT_MASK().

From: santosh nayak
Date: Tue Feb 21 2012 - 05:08:47 EST


From: Santosh Nayak <santoshprasadnayak@xxxxxxxxx>

Use the macro DMA_BIT_MASK instead of the constant 0xffffffff

Signed-off-by: Santosh Nayak <santoshprasadnayak@xxxxxxxxx>
---
drivers/firewire/nosy.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/firewire/nosy.c b/drivers/firewire/nosy.c
index 763626b..a7c4422 100644
--- a/drivers/firewire/nosy.c
+++ b/drivers/firewire/nosy.c
@@ -36,7 +36,7 @@
#include <linux/timex.h>
#include <linux/uaccess.h>
#include <linux/wait.h>
-
+#include <linux/dma-mapping.h>
#include <linux/atomic.h>
#include <asm/byteorder.h>

@@ -536,7 +536,7 @@ add_card(struct pci_dev *dev, const struct pci_device_id *unused)
u32 p, end;
int ret, i;

- if (pci_set_dma_mask(dev, 0xffffffff)) {
+ if (pci_set_dma_mask(dev, DMA_BIT_MASK(32))) {
dev_err(&dev->dev,
"DMA address limits not supported for PCILynx hardware\n");
return -ENXIO;
--
1.7.4.4

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