diff options
| author | Fabio Estevam <fabio.estevam@nxp.com> | 2016-09-08 09:34:30 -0300 |
|---|---|---|
| committer | Peter Chen <peter.chen@nxp.com> | 2016-09-14 10:58:13 +0800 |
| commit | 382c1b38d8e70b2fe239c96bb9137c10f3229ba3 (patch) | |
| tree | 28ba3fcbcfa2fc8e34e78cecf66080a568b1f4d0 | |
| parent | c744a0db756b34c7e2b60100bcfc58beb6b68c99 (diff) | |
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>
| -rw-r--r-- | drivers/usb/chipidea/udc.c | 6 |
1 files changed, 2 insertions, 4 deletions
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, |