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>

diff --git a/drivers/dma/mpc512x_dma.c b/drivers/dma/mpc512x_dma.c
index 881db2bcb48b89cb1b3896dc42da69c65d517347..fc08bb3af440cd121bcec456e16c324dfeaba6e3 100644 (file)
--- 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;