Commit 8efea535 authored by Takashi Iwai's avatar Takashi Iwai Committed by Greg Kroah-Hartman

ALSA: vxpocket: Fix invalid endian conversions

commit 3acd3e3b upstream.

The endian conversions used in vxp_dma_read() and vxp_dma_write() are
superfluous and even wrong on big-endian machines, as inw() and outw()
already do conversions.  Kill them.

Cc: <stable@vger.kernel.org>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent efa72756
......@@ -375,7 +375,7 @@ static void vxp_dma_write(struct vx_core *chip, struct snd_pcm_runtime *runtime,
length >>= 1; /* in 16bit words */
/* Transfer using pseudo-dma. */
for (; length > 0; length--) {
outw(cpu_to_le16(*addr), port);
outw(*addr, port);
addr++;
}
addr = (unsigned short *)runtime->dma_area;
......@@ -385,7 +385,7 @@ static void vxp_dma_write(struct vx_core *chip, struct snd_pcm_runtime *runtime,
count >>= 1; /* in 16bit words */
/* Transfer using pseudo-dma. */
for (; count > 0; count--) {
outw(cpu_to_le16(*addr), port);
outw(*addr, port);
addr++;
}
vx_release_pseudo_dma(chip);
......@@ -417,7 +417,7 @@ static void vxp_dma_read(struct vx_core *chip, struct snd_pcm_runtime *runtime,
length >>= 1; /* in 16bit words */
/* Transfer using pseudo-dma. */
for (; length > 0; length--)
*addr++ = le16_to_cpu(inw(port));
*addr++ = inw(port);
addr = (unsigned short *)runtime->dma_area;
pipe->hw_ptr = 0;
}
......@@ -425,12 +425,12 @@ static void vxp_dma_read(struct vx_core *chip, struct snd_pcm_runtime *runtime,
count >>= 1; /* in 16bit words */
/* Transfer using pseudo-dma. */
for (; count > 1; count--)
*addr++ = le16_to_cpu(inw(port));
*addr++ = inw(port);
/* Disable DMA */
pchip->regDIALOG &= ~VXP_DLG_DMAREAD_SEL_MASK;
vx_outb(chip, DIALOG, pchip->regDIALOG);
/* Read the last word (16 bits) */
*addr = le16_to_cpu(inw(port));
*addr = inw(port);
/* Disable 16-bit accesses */
pchip->regDIALOG &= ~VXP_DLG_DMA16_SEL_MASK;
vx_outb(chip, DIALOG, pchip->regDIALOG);
......
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