[PATCH 2/2] dmaengine: ppc4xx: remove xor_hw_desc assignment without reading

From: Krzysztof Kozlowski
Date: Mon Oct 19 2020 - 12:00:18 EST


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@xxxxxxxxxx>
---
drivers/dma/ppc4xx/adma.c | 2 --
1 file changed, 2 deletions(-)

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();
--
2.25.1