Since commit 
9495b7e92f71 ("driver core: platform: Initialize dma_parms
for platform devices"), struct platform_device already provides a
dma_parms structure, so we can save allocating another one.
Also the DMA segment size is simply a size, not a bitmask.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
        if (ret)
                goto err_core_put;
 
-       if (!dev->dma_parms) {
-               dev->dma_parms = devm_kzalloc(dev, sizeof(*dev->dma_parms),
-                                             GFP_KERNEL);
-               if (!dev->dma_parms) {
-                       ret = -ENOMEM;
-                       goto err_core_put;
-               }
-       }
-       dma_set_max_seg_size(dev, DMA_BIT_MASK(32));
+       dma_set_max_seg_size(dev, UINT_MAX);
 
        INIT_LIST_HEAD(&core->instances);
        mutex_init(&core->lock);