redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

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>
hifive-unleashed-5.1
Fabio Estevam 2016-09-08 09:34:30 -03:00 committed by Peter Chen
parent c744a0db75
commit 382c1b38d8
1 changed files with 2 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/usb/chipidea/udc.c
View File

@ -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,