[PATCH][next] spi: dw: remove redundant assignment to variable len

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The variable id len being initialized with a value that is never read,
it is being re-assigned later on in a for-loop. The initialization is
redundant and can be removed.

Cleans up clang scan build warning:
drivers/spi/spi-dw-dma.c:580:17: warning: Although the value stored
to 'len' is used in the enclosing expression, the value is never
actually read from 'len' [deadcode.DeadStores]

Signed-off-by: Colin Ian King <colin.i.king@xxxxxxxxx>
---
 drivers/spi/spi-dw-dma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/spi-dw-dma.c b/drivers/spi/spi-dw-dma.c
index 0ecbb6c36e23..f4c209e5f52b 100644
--- a/drivers/spi/spi-dw-dma.c
+++ b/drivers/spi/spi-dw-dma.c
@@ -577,7 +577,7 @@ static int dw_spi_dma_transfer_one(struct dw_spi *dws,
 	sg_init_table(&tx_tmp, 1);
 	sg_init_table(&rx_tmp, 1);
 
-	for (base = 0, len = 0; base < xfer->len; base += len) {
+	for (base = 0; base < xfer->len; base += len) {
 		/* Fetch next Tx DMA data chunk */
 		if (!tx_len) {
 			tx_sg = !tx_sg ? &xfer->tx_sg.sgl[0] : sg_next(tx_sg);
-- 
2.39.2





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