dma: mv_xor: Remove unneeded NULL address check

This mmio address is checked at probe-time, which makes this test
redundant. Let's just remove it.

Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c
index 17326e780e23a4cdcea94ed79a726ea80579ae3a..8ff21b15ad1cd3762895cf34fa7308b29aec9735 100644 (file)
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -1035,10 +1035,6 @@ mv_xor_channel_add(struct mv_xor_device *xordev,
        }
 
        mv_chan->mmr_base = xordev->xor_base;
-       if (!mv_chan->mmr_base) {
-               ret = -ENOMEM;
-               goto err_free_dma;
-       }
        tasklet_init(&mv_chan->irq_tasklet, mv_xor_tasklet, (unsigned long)
                     mv_chan);