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Commit 4836ac65 authored by Takashi Iwai's avatar Takashi Iwai
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ALSA: ctxfi - Fix DMA mask for emu20k2 chip 



Allow 64bit DMA mask for emu20k2 chip, too.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent d436dd06

sound/pci/ctxfi/cthw20k2.c

+8 −6
Original line number Diff line number Diff line
@@ -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;

	}