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authorFabio Estevam <fabio.estevam@freescale.com>2013-01-07 23:48:39 -0200
committerVinod Koul <vinod.koul@intel.com>2013-01-08 07:35:27 -0800
commitf2ad6992546674e5915a34a1bc36dcdd8fb29bd2 (patch)
tree3649fc43d17476c251db2ffbd547f73eb8f03f52 /drivers/dma/mxs-dma.c
parent5ea7caf30debefc1c4319f77146288fd5e92a803 (diff)
downloadop-kernel-dev-f2ad6992546674e5915a34a1bc36dcdd8fb29bd2.zip
op-kernel-dev-f2ad6992546674e5915a34a1bc36dcdd8fb29bd2.tar.gz
dma: mxs-dma: Fix build warnings with W=1
Fix the following warnings when building with W=1 option: drivers/dma/mxs-dma.c: In function 'mxs_dma_alloc_chan_resources': drivers/dma/mxs-dma.c:368:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] drivers/dma/mxs-dma.c: In function 'mxs_dma_prep_slave_sg': drivers/dma/mxs-dma.c:481:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] drivers/dma/mxs-dma.c:494:3: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] drivers/dma/mxs-dma.c:515:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] drivers/dma/mxs-dma.c: In function 'mxs_dma_prep_dma_cyclic': drivers/dma/mxs-dma.c:563:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/mxs-dma.c')
-rw-r--r--drivers/dma/mxs-dma.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c
index 9f02e79..8f6d30d3 100644
--- a/drivers/dma/mxs-dma.c
+++ b/drivers/dma/mxs-dma.c
@@ -109,7 +109,7 @@ struct mxs_dma_chan {
struct dma_chan chan;
struct dma_async_tx_descriptor desc;
struct tasklet_struct tasklet;
- int chan_irq;
+ unsigned int chan_irq;
struct mxs_dma_ccw *ccw;
dma_addr_t ccw_phys;
int desc_count;
@@ -441,7 +441,7 @@ static struct dma_async_tx_descriptor *mxs_dma_prep_slave_sg(
struct mxs_dma_engine *mxs_dma = mxs_chan->mxs_dma;
struct mxs_dma_ccw *ccw;
struct scatterlist *sg;
- int i, j;
+ u32 i, j;
u32 *pio;
bool append = flags & DMA_PREP_INTERRUPT;
int idx = append ? mxs_chan->desc_count : 0;
@@ -537,8 +537,8 @@ static struct dma_async_tx_descriptor *mxs_dma_prep_dma_cyclic(
{
struct mxs_dma_chan *mxs_chan = to_mxs_dma_chan(chan);
struct mxs_dma_engine *mxs_dma = mxs_chan->mxs_dma;
- int num_periods = buf_len / period_len;
- int i = 0, buf = 0;
+ u32 num_periods = buf_len / period_len;
+ u32 i = 0, buf = 0;
if (mxs_chan->status == DMA_IN_PROGRESS)
return NULL;
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