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dmaengine: ppc4xx: remove xor_hw_desc assignment without reading 

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>
Link: https://lore.kernel.org/r/20201019155756.21445-2-krzk@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Krzysztof Kozlowski 2020-10-19 17:57:56 +02:00 committed by Vinod Koul
parent 68f35add4b
commit 212a93ca43
1 changed files with 0 additions and 2 deletions
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2
drivers/dma/ppc4xx/adma.c
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@ -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();