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authorAndreas Larsson <andreas@gaisler.com>2014-03-27 16:15:56 +0100
committerFelipe Balbi <balbi@ti.com>2014-04-21 14:07:27 -0500
commit73e1c093e83a421d24d54a94cb87031e7c222cd1 (patch)
tree6631b028c1d2906e8a734183ec90ba6edc2a7f8a /drivers/usb/gadget
parent196800da39a142e2952ad5e1cb58a84838956764 (diff)
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>
Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r--drivers/usb/gadget/gr_udc.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/usb/gadget/gr_udc.c b/drivers/usb/gadget/gr_udc.c
index 7a992546335d..0f3a9531479a 100644
--- a/drivers/usb/gadget/gr_udc.c
+++ b/drivers/usb/gadget/gr_udc.c
@@ -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;