dmaengine: mpc512x: Remove chancnt affectations

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@free-electrons.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

1 files 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;