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authorVinod Koul <vinod.koul@intel.com>2016-12-09 15:24:12 +0530
committerVinod Koul <vinod.koul@intel.com>2016-12-12 22:25:22 +0530
commite5a6b3d5deeee7b7b45fe8765b5e48033adc9e8a (patch)
treefaedfc4a95f49171a4de9eb0eb37864658af003f /drivers/dma
parent7833a31df71dea6cd7342a5a0cc5277f0016c515 (diff)
downloadlinux-e5a6b3d5deeee7b7b45fe8765b5e48033adc9e8a.tar.gz
dmaengine: img-mdc: remove unused ‘prev_phys’
In mdc_prep_dma_memcpy(), mdc_prep_dma_cyclic() and mdc_prep_slave_sg() variable ‘prev_phys’ is initialized but never used, which leads to warning with W=1 drivers/dma/img-mdc-dma.c: In function ‘mdc_prep_dma_memcpy’: drivers/dma/img-mdc-dma.c:295:24: warning: variable ‘prev_phys’ set but not used [-Wunused-but-set-variable] dma_addr_t curr_phys, prev_phys; drivers/dma/img-mdc-dma.c: In function ‘mdc_prep_dma_cyclic’: drivers/dma/img-mdc-dma.c:378:24: warning: variable ‘prev_phys’ set but not used [-Wunused-but-set-variable] dma_addr_t curr_phys, prev_phys; drivers/dma/img-mdc-dma.c: In function ‘mdc_prep_slave_sg’: drivers/dma/img-mdc-dma.c:461:24: warning: variable ‘prev_phys’ set but not used [-Wunused-but-set-variable] dma_addr_t curr_phys, prev_phys; So remove it. Cc: Damien.Horsley <Damien.Horsley@imgtec.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/img-mdc-dma.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/dma/img-mdc-dma.c b/drivers/dma/img-mdc-dma.c
index 624f1e1e9c55..54db1411ce73 100644
--- a/drivers/dma/img-mdc-dma.c
+++ b/drivers/dma/img-mdc-dma.c
@@ -292,7 +292,7 @@ static struct dma_async_tx_descriptor *mdc_prep_dma_memcpy(
struct mdc_dma *mdma = mchan->mdma;
struct mdc_tx_desc *mdesc;
struct mdc_hw_list_desc *curr, *prev = NULL;
- dma_addr_t curr_phys, prev_phys;
+ dma_addr_t curr_phys;
if (!len)
return NULL;
@@ -324,7 +324,6 @@ static struct dma_async_tx_descriptor *mdc_prep_dma_memcpy(
xfer_size);
prev = curr;
- prev_phys = curr_phys;
mdesc->list_len++;
src += xfer_size;
@@ -375,7 +374,7 @@ static struct dma_async_tx_descriptor *mdc_prep_dma_cyclic(
struct mdc_dma *mdma = mchan->mdma;
struct mdc_tx_desc *mdesc;
struct mdc_hw_list_desc *curr, *prev = NULL;
- dma_addr_t curr_phys, prev_phys;
+ dma_addr_t curr_phys;
if (!buf_len && !period_len)
return NULL;
@@ -430,7 +429,6 @@ static struct dma_async_tx_descriptor *mdc_prep_dma_cyclic(
}
prev = curr;
- prev_phys = curr_phys;
mdesc->list_len++;
buf_addr += xfer_size;
@@ -458,7 +456,7 @@ static struct dma_async_tx_descriptor *mdc_prep_slave_sg(
struct mdc_tx_desc *mdesc;
struct scatterlist *sg;
struct mdc_hw_list_desc *curr, *prev = NULL;
- dma_addr_t curr_phys, prev_phys;
+ dma_addr_t curr_phys;
unsigned int i;
if (!sgl)
@@ -509,7 +507,6 @@ static struct dma_async_tx_descriptor *mdc_prep_slave_sg(
}
prev = curr;
- prev_phys = curr_phys;
mdesc->list_len++;
mdesc->list_xfer_size += xfer_size;