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Commit 382c1b38 authored by Fabio Estevam's avatar Fabio Estevam Committed by Peter Chen
Browse files

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: default avatarFabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: default avatarPeter Chen <peter.chen@nxp.com>
parent c744a0db

drivers/usb/chipidea/udc.c

+2 −4
Original line number Diff line number Diff line
@@ -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.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,