usb: gadget: udc: bdc: Use dma_pool_zalloc

Use dma_pool_zalloc instead of dma_pool_alloc + memset

Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

diff --git a/drivers/usb/gadget/udc/bdc/bdc_ep.c b/drivers/usb/gadget/udc/bdc/bdc_ep.c
index f40d4c1..03149b9 100644 (file)
--- a/drivers/usb/gadget/udc/bdc/bdc_ep.c
+++ b/drivers/usb/gadget/udc/bdc/bdc_ep.c
@@ -151,7 +151,7 @@ static int ep_bd_list_alloc(struct bdc_ep *ep)
                if (!bd_table)
                        goto fail;
 
-               bd_table->start_bd = dma_pool_alloc(bdc->bd_table_pool,
+               bd_table->start_bd = dma_pool_zalloc(bdc->bd_table_pool,
                                                        GFP_ATOMIC,
                                                        &dma);
                if (!bd_table->start_bd) {
@@ -167,7 +167,6 @@ static int ep_bd_list_alloc(struct bdc_ep *ep)
                        (unsigned long long)bd_table->dma, prev_table);
 
                ep->bd_list.bd_table_array[index] = bd_table;
-               memset(bd_table->start_bd, 0, bd_p_tab * sizeof(struct bdc_bd));
                if (prev_table)
                        chain_table(prev_table, bd_table, bd_p_tab);