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 <fabio.estevam@nxp.com> Signed-off-by: Peter Chen <peter.chen@nxp.com>
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@ -1677,12 +1677,10 @@ static int init_eps(struct ci_hdrc *ci)
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usb_ep_set_maxpacket_limit(&hwep->ep, (unsigned short)~0);
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INIT_LIST_HEAD(&hwep->qh.queue);
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hwep->qh.ptr = dma_pool_alloc(ci->qh_pool, GFP_KERNEL,
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&hwep->qh.dma);
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hwep->qh.ptr = dma_pool_zalloc(ci->qh_pool, GFP_KERNEL,
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&hwep->qh.dma);
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if (hwep->qh.ptr == NULL)
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retval = -ENOMEM;
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else
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memset(hwep->qh.ptr, 0, sizeof(*hwep->qh.ptr));
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/*
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* set up shorthands for ep0 out and in endpoints,
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