Commit d59b6f21 authored by Jiapeng Chong's avatar Jiapeng Chong Committed by Takashi Iwai
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ALSA: cs5535audio: Remove the redundant assignment 

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: default avatarAbaci Robot <abaci@linux.alibaba.com>
Signed-off-by: default avatarJiapeng Chong <jiapeng.chong@linux.alibaba.com>
Link: https://lore.kernel.org/r/20221107063554.17933-1-jiapeng.chong@linux.alibaba.com


Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 2b4e275b

sound/pci/cs5535audio/cs5535audio_pcm.c

+1 −3
Original line number Diff line number Diff line
@@ -110,7 +110,7 @@ static int cs5535audio_build_dma_packets(struct cs5535audio *cs5535au, 
					 unsigned int period_bytes)

{

	unsigned int i;

	u32 addr, desc_addr, jmpprd_addr;

	u32 addr, jmpprd_addr;

	struct cs5535audio_dma_desc *lastdesc;



	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

	   pci alloc that we're only 32 bit capable so the upper will be 0 */

	addr = (u32) substream->runtime->dma_addr;

	desc_addr = (u32) dma->desc_buf.addr;

	for (i = 0; i < periods; i++) {

		struct cs5535audio_dma_desc *desc =

			&((struct cs5535audio_dma_desc *) dma->desc_buf.area)[i];

		desc->addr = cpu_to_le32(addr);

		desc->size = cpu_to_le16(period_bytes);

		desc->ctlreserved = cpu_to_le16(PRD_EOP);

		desc_addr += sizeof(struct cs5535audio_dma_desc);

		addr += period_bytes;

	}

	/* we reserved one dummy descriptor at the end to do the PRD jump */