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ALSA: ctxfi - Fix DMA mask for emu20k2 chip

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Allow 64bit DMA mask for emu20k2 chip, too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2009-06-08 14:49:26 +02:00
parent d436dd063b
commit 4836ac6554
1 changed files with 8 additions and 6 deletions
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14
sound/pci/ctxfi/cthw20k2.c
View file

@ -26,7 +26,11 @@
#include <linux/interrupt.h>
#include <linux/delay.h>
#define CT_XFI_DMA_MASK DMA_BIT_MASK(32) /* 32 bits */
#if BITS_PER_LONG == 32
#define CT_XFI_DMA_MASK DMA_BIT_MASK(32) /* 32 bit PTE */
#else
#define CT_XFI_DMA_MASK DMA_BIT_MASK(64) /* 64 bit PTE */
#endif
static u32 hw_read_20kx(struct hw *hw, u32 reg);
static void hw_write_20kx(struct hw *hw, u32 reg, u32 data);
@ -1834,18 +1838,16 @@ static int hw_card_start(struct hw *hw)
int err = 0;
struct pci_dev *pci = hw->pci;
unsigned int gctl;
unsigned int dma_mask = 0;
err = pci_enable_device(pci);
if (err < 0)
return err;
/* Set DMA transfer mask */
dma_mask = CT_XFI_DMA_MASK;
if (pci_set_dma_mask(pci, dma_mask) < 0 ||
pci_set_consistent_dma_mask(pci, dma_mask) < 0) {
if (pci_set_dma_mask(pci, CT_XFI_DMA_MASK) < 0 ||
pci_set_consistent_dma_mask(pci, CT_XFI_DMA_MASK) < 0) {
printk(KERN_ERR "ctxfi: architecture does not support PCI "
"busmaster DMA with mask 0x%x\n", dma_mask);
"busmaster DMA with mask 0x%llx\n", CT_XFI_DMA_MASK);
err = -ENXIO;
goto error1;
}