diff options
Diffstat (limited to 'drivers/dma/of-dma.c')
| -rw-r--r-- | drivers/dma/of-dma.c | 17 |
1 files changed, 1 insertions, 16 deletions
diff --git a/drivers/dma/of-dma.c b/drivers/dma/of-dma.c index 7aa0864cd487..75334bdd2c56 100644 --- a/drivers/dma/of-dma.c +++ b/drivers/dma/of-dma.c @@ -35,8 +35,7 @@ static struct of_dma *of_dma_find_controller(struct of_phandle_args *dma_spec) struct of_dma *ofdma; list_for_each_entry(ofdma, &of_dma_list, of_dma_controllers) - if ((ofdma->of_node == dma_spec->np) && - (ofdma->of_dma_nbcells == dma_spec->args_count)) + if (ofdma->of_node == dma_spec->np) return ofdma; pr_debug("%s: can't find DMA controller %s\n", __func__, @@ -64,8 +63,6 @@ int of_dma_controller_register(struct device_node *np, void *data) { struct of_dma *ofdma; - int nbcells; - const __be32 *prop; if (!np || !of_dma_xlate) { pr_err("%s: not enough information provided\n", __func__); @@ -76,19 +73,7 @@ int of_dma_controller_register(struct device_node *np, if (!ofdma) return -ENOMEM; - prop = of_get_property(np, "#dma-cells", NULL); - if (prop) - nbcells = be32_to_cpup(prop); - - if (!prop || !nbcells) { - pr_err("%s: #dma-cells property is missing or invalid\n", - __func__); - kfree(ofdma); - return -EINVAL; - } - ofdma->of_node = np; - ofdma->of_dma_nbcells = nbcells; ofdma->of_dma_xlate = of_dma_xlate; ofdma->of_dma_data = data; |