dmaengine: stm32-mdma: Remove redundant initialization of pointer hwdesc

The pointer hwdesc is being initialized with a value that is never
read, it is being updated later in a for-loop. The assignment is
redundant and can be removed.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Link: https://lore.kernel.org/r/20211204140032.548066-1-colin.i.king@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/stm32-mdma.c b/drivers/dma/stm32-mdma.c
index d30a4a28d3bfd585827913aeef911486f5465da2..805a449ff301f11008c0df36bc0f4ccff2b2bdf2 100644 (file)
--- a/drivers/dma/stm32-mdma.c
+++ b/drivers/dma/stm32-mdma.c
@@ -1279,7 +1279,7 @@ static size_t stm32_mdma_desc_residue(struct stm32_mdma_chan *chan,
                                      u32 curr_hwdesc)
 {
        struct stm32_mdma_device *dmadev = stm32_mdma_get_dev(chan);
-       struct stm32_mdma_hwdesc *hwdesc = desc->node[0].hwdesc;
+       struct stm32_mdma_hwdesc *hwdesc;
        u32 cbndtr, residue, modulo, burst_size;
        int i;