From: Fabio Estevam Date: Thu, 8 Sep 2016 12:34:30 +0000 (-0300) Subject: usb: chipidea: udc: Use dma_pool_zalloc() X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=382c1b38d8e70b2fe239c96bb9137c10f3229ba3;p=linux-beck.git usb: chipidea: udc: Use dma_pool_zalloc() We can make the code simpler by using dma_pool_zalloc() instead of calling dma_pool_alloc() and then a memset(). Signed-off-by: Fabio Estevam Signed-off-by: Peter Chen --- diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index c1eea62ab998..a0b208dfb959 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -1677,12 +1677,10 @@ static int init_eps(struct ci_hdrc *ci) usb_ep_set_maxpacket_limit(&hwep->ep, (unsigned short)~0); INIT_LIST_HEAD(&hwep->qh.queue); - hwep->qh.ptr = dma_pool_alloc(ci->qh_pool, GFP_KERNEL, - &hwep->qh.dma); + hwep->qh.ptr = dma_pool_zalloc(ci->qh_pool, GFP_KERNEL, + &hwep->qh.dma); if (hwep->qh.ptr == NULL) retval = -ENOMEM; - else - memset(hwep->qh.ptr, 0, sizeof(*hwep->qh.ptr)); /* * set up shorthands for ep0 out and in endpoints,