[PATCH 01/17] ASoC: amd: renoir: acp3x-pdm-dma: remove unnecessary assignments
Pierre-Louis Bossart
pierre-louis.bossart at linux.intel.com
Fri Mar 26 22:59:11 CET 2021
cppcheck warning:
sound/soc/amd/renoir/acp3x-pdm-dma.c:132:17: style: Variable
'pdm_dma_enable' is assigned a value that is never
used. [unreadVariable]
pdm_dma_enable = 0x00;
^
sound/soc/amd/renoir/acp3x-pdm-dma.c:156:18: style: Variable
'pdm_dma_enable' is assigned a value that is never
used. [unreadVariable]
pdm_dma_enable = 0x00;
^
indeed those values are never used because the timeout is reset.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>
---
sound/soc/amd/renoir/acp3x-pdm-dma.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/sound/soc/amd/renoir/acp3x-pdm-dma.c b/sound/soc/amd/renoir/acp3x-pdm-dma.c
index 7b14d9a81b97..1acd20439399 100644
--- a/sound/soc/amd/renoir/acp3x-pdm-dma.c
+++ b/sound/soc/amd/renoir/acp3x-pdm-dma.c
@@ -129,7 +129,6 @@ static int start_pdm_dma(void __iomem *acp_base)
enable_pdm_clock(acp_base);
rn_writel(pdm_enable, acp_base + ACP_WOV_PDM_ENABLE);
rn_writel(pdm_dma_enable, acp_base + ACP_WOV_PDM_DMA_ENABLE);
- pdm_dma_enable = 0x00;
timeout = 0;
while (++timeout < ACP_COUNTER) {
pdm_dma_enable = rn_readl(acp_base + ACP_WOV_PDM_DMA_ENABLE);
@@ -153,7 +152,6 @@ static int stop_pdm_dma(void __iomem *acp_base)
if (pdm_dma_enable & 0x01) {
pdm_dma_enable = 0x02;
rn_writel(pdm_dma_enable, acp_base + ACP_WOV_PDM_DMA_ENABLE);
- pdm_dma_enable = 0x00;
timeout = 0;
while (++timeout < ACP_COUNTER) {
pdm_dma_enable = rn_readl(acp_base +
--
2.25.1
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