[2/2] dmaengine: ppc4xx: remove xor_hw_desc assignment without reading
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Message ID 20201019155756.21445-2-krzk@kernel.org
State In Next
Commit 9bdc32755c79a57e0fdefb569b12a21353ce48ee
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  • [1/2] dmaengine: ppc4xx: make ppc440spe_adma_chan_list static
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Commit Message

Krzysztof Kozlowski Oct. 19, 2020, 3:57 p.m. UTC
The xor_hw_desc local variable is assigned but never read:

    drivers/dma/ppc4xx/adma.c: In function ‘ppc440spe_desc_set_src_mult’:
    drivers/dma/ppc4xx/adma.c:562:17: warning: variable ‘xor_hw_desc’ set but not used [-Wunused-but-set-variable]

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/dma/ppc4xx/adma.c | 2 --
 1 file changed, 2 deletions(-)

Patch
diff mbox series

diff --git a/drivers/dma/ppc4xx/adma.c b/drivers/dma/ppc4xx/adma.c
index fea598550582..df7704053d91 100644
--- a/drivers/dma/ppc4xx/adma.c
+++ b/drivers/dma/ppc4xx/adma.c
@@ -559,7 +559,6 @@  static void ppc440spe_desc_set_src_mult(struct ppc440spe_adma_desc_slot *desc,
 			int sg_index, unsigned char mult_value)
 {
 	struct dma_cdb *dma_hw_desc;
-	struct xor_cb *xor_hw_desc;
 	u32 *psgu;
 
 	switch (chan->device->id) {
@@ -590,7 +589,6 @@  static void ppc440spe_desc_set_src_mult(struct ppc440spe_adma_desc_slot *desc,
 		*psgu |= cpu_to_le32(mult_value << mult_index);
 		break;
 	case PPC440SPE_XOR_ID:
-		xor_hw_desc = desc->hw_desc;
 		break;
 	default:
 		BUG();