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authorFabio Estevam <fabio.estevam@nxp.com>2016-09-08 15:34:30 +0300
committerPeter Chen <peter.chen@nxp.com>2016-09-14 05:58:13 +0300
commit382c1b38d8e70b2fe239c96bb9137c10f3229ba3 (patch)
tree28ba3fcbcfa2fc8e34e78cecf66080a568b1f4d0 /drivers/usb/chipidea
parentc744a0db756b34c7e2b60100bcfc58beb6b68c99 (diff)
downloadlinux-382c1b38d8e70b2fe239c96bb9137c10f3229ba3.tar.xz
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>
Diffstat (limited to 'drivers/usb/chipidea')
-rw-r--r--drivers/usb/chipidea/udc.c6
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,