chanctnt is already filled by dma_async_device_register, which uses the channel
list to know how much channels there is.
Since it's already filled, we can safely remove it from the drivers' probe
function.
Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
---
drivers/dma/mpc512x_dma.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/drivers/dma/mpc512x_dma.c b/drivers/dma/mpc512x_dma.c
index 881db2bcb48b..fc08bb3af440 100644
--- a/drivers/dma/mpc512x_dma.c
+++ b/drivers/dma/mpc512x_dma.c
@@ -885,6 +885,7 @@ static int mpc_dma_probe(struct platform_device *op)
struct resource res;
ulong regs_start, regs_size;
int retval, i;
+ u8 chancnt;
mdma = devm_kzalloc(dev, sizeof(struct mpc_dma), GFP_KERNEL);
if (!mdma) {
@@ -956,10 +957,6 @@ static int mpc_dma_probe(struct platform_device *op)
dma = &mdma->dma;
dma->dev = dev;
- if (mdma->is_mpc8308)
- dma->chancnt = MPC8308_DMACHAN_MAX;
- else
- dma->chancnt = MPC512x_DMACHAN_MAX;
dma->device_alloc_chan_resources = mpc_dma_alloc_chan_resources;
dma->device_free_chan_resources = mpc_dma_free_chan_resources;
dma->device_issue_pending = mpc_dma_issue_pending;
@@ -972,7 +969,12 @@ static int mpc_dma_probe(struct platform_device *op)
dma_cap_set(DMA_MEMCPY, dma->cap_mask);
dma_cap_set(DMA_SLAVE, dma->cap_mask);
- for (i = 0; i < dma->chancnt; i++) {
+ if (mdma->is_mpc8308)
+ chancnt = MPC8308_DMACHAN_MAX;
+ else
+ chancnt = MPC512x_DMACHAN_MAX;
+
+ for (i = 0; i < chancnt; i++) {
mchan = &mdma->channels[i];
mchan->chan.device = dma;
--
2.1.1
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