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usb: gadget: gr_udc: Use of_property_read_u32_index to access arrays 

Use an appropriate accessor function for property arrays to make the code nicer
and make the code correct if it would ever run on little endian architectures.
Suggested by Mark Rutland.

Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Andreas Larsson 2014-03-27 16:15:56 +01:00 committed by Felipe Balbi
parent 196800da39
commit 73e1c093e8
1 changed files with 4 additions and 8 deletions
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12
drivers/usb/gadget/gr_udc.c
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@ -2020,9 +2020,7 @@ static int gr_udc_init(struct gr_udc *dev)
u32 dmactrl_val;
int i;
int ret = 0;
u32 *bufsizes;
u32 bufsize;
int len;
gr_set_address(dev, 0);
@ -2033,19 +2031,17 @@ static int gr_udc_init(struct gr_udc *dev)
INIT_LIST_HEAD(&dev->ep_list);
gr_set_ep0state(dev, GR_EP0_DISCONNECT);
bufsizes = (u32 *)of_get_property(np, "epobufsizes", &len);
len /= sizeof(u32);
for (i = 0; i < dev->nepo; i++) {
bufsize = (bufsizes && i < len) ? bufsizes[i] : 1024;
if (of_property_read_u32_index(np, "epobufsizes", i, &bufsize))
bufsize = 1024;
ret = gr_ep_init(dev, i, 0, bufsize);
if (ret)
return ret;
}
bufsizes = (u32 *)of_get_property(np, "epibufsizes", &len);
len /= sizeof(u32);
for (i = 0; i < dev->nepi; i++) {
bufsize = (bufsizes && i < len) ? bufsizes[i] : 1024;
if (of_property_read_u32_index(np, "epibufsizes", i, &bufsize))
bufsize = 1024;
ret = gr_ep_init(dev, i, 1, bufsize);
if (ret)
return ret;