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ALSA: cs5535audio: Remove the redundant assignment

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Variable 'desc_addr' set but not used.

sound/pci/cs5535audio/cs5535audio_pcm.c:113:12: warning: variable 'desc_addr' set but not used.

Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2739
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Link: https://lore.kernel.org/r/20221107063554.17933-1-jiapeng.chong@linux.alibaba.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Jiapeng Chong
2022-11-07 14:35:54 +08:00
committed by Takashi Iwai
parent 2b4e275b92
commit d59b6f215a
1 changed files with 1 additions and 3 deletions
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4
sound/pci/cs5535audio/cs5535audio_pcm.c
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@@ -110,7 +110,7 @@ static int cs5535audio_build_dma_packets(struct cs5535audio *cs5535au,
unsigned int period_bytes) unsigned int period_bytes)
{ {
unsigned int i; unsigned int i;
u32 addr, desc_addr, jmpprd_addr; u32 addr, jmpprd_addr;
struct cs5535audio_dma_desc *lastdesc; struct cs5535audio_dma_desc *lastdesc;
if (periods > CS5535AUDIO_MAX_DESCRIPTORS) if (periods > CS5535AUDIO_MAX_DESCRIPTORS)
@@ -131,14 +131,12 @@ static int cs5535audio_build_dma_packets(struct cs5535audio *cs5535au,
/* the u32 cast is okay because in snd*create we successfully told /* the u32 cast is okay because in snd*create we successfully told
pci alloc that we're only 32 bit capable so the upper will be 0 */ pci alloc that we're only 32 bit capable so the upper will be 0 */
addr = (u32) substream->runtime->dma_addr; addr = (u32) substream->runtime->dma_addr;
desc_addr = (u32) dma->desc_buf.addr;
for (i = 0; i < periods; i++) { for (i = 0; i < periods; i++) {
struct cs5535audio_dma_desc *desc = struct cs5535audio_dma_desc *desc =
&((struct cs5535audio_dma_desc *) dma->desc_buf.area)[i]; &((struct cs5535audio_dma_desc *) dma->desc_buf.area)[i];
desc->addr = cpu_to_le32(addr); desc->addr = cpu_to_le32(addr);
desc->size = cpu_to_le16(period_bytes); desc->size = cpu_to_le16(period_bytes);
desc->ctlreserved = cpu_to_le16(PRD_EOP); desc->ctlreserved = cpu_to_le16(PRD_EOP);
desc_addr += sizeof(struct cs5535audio_dma_desc);
addr += period_bytes; addr += period_bytes;
} }
/* we reserved one dummy descriptor at the end to do the PRD jump */ /* we reserved one dummy descriptor at the end to do the PRD jump */