dmaengine: pch_dma: remove unused function chan2parent
The helper function chan2parent is not used and has never been used since the first commit to the code back in 2010. The function is redundant and can be removed. Cleans up clang scan build warning: drivers/dma/pch_dma.c:158:30: warning: unused function 'chan2parent' [-Wunused-function] Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Link: https://lore.kernel.org/r/20240308134750.2058556-1-colin.i.king@gmail.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
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@ -155,11 +155,6 @@ static inline struct device *chan2dev(struct dma_chan *chan)
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return &chan->dev->device;
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return &chan->dev->device;
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}
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}
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static inline struct device *chan2parent(struct dma_chan *chan)
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{
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return chan->dev->device.parent;
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}
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static inline
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static inline
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struct pch_dma_desc *pdc_first_active(struct pch_dma_chan *pd_chan)
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struct pch_dma_desc *pdc_first_active(struct pch_dma_chan *pd_chan)
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{
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{
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