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authorMike Dunn <mikedunn@newsguy.com>2013-06-26 12:33:54 -0700
committerMarek Vasut <marex@denx.de>2013-07-10 20:18:57 +0200
commitecc8edbf6995558d8a47b43ac6645840c98a7b95 (patch)
tree61e3aabb23e15b5f1f46e0052800f4c607e7c617 /drivers/usb
parent81c065d2a0fafe137078e4575d1e6a9d8f90ba3b (diff)
usb: pxa27x_udc: fix compiler warnings
Newer gcc versions warn about unused variables. This patch corrects a few of those warnings that popped up in a build for the palmtreo680 board. Signed-off-by: Mike Dunn <mikedunn@newsguy.com>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/gadget/pxa27x_udc.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c
index 71cc0f2a05..598923dfc8 100644
--- a/drivers/usb/gadget/pxa27x_udc.c
+++ b/drivers/usb/gadget/pxa27x_udc.c
@@ -151,7 +151,7 @@ static int udc_read_urb(struct usb_endpoint_instance *endpoint)
struct urb *urb = endpoint->rcv_urb;
int ep_num = endpoint->endpoint_address & USB_ENDPOINT_NUMBER_MASK;
u32 *data32 = (u32 *) urb->buffer;
- unsigned int i, n, is_short ;
+ unsigned int i, n;
usbdbg("read urb on ep %d", ep_num);
#if defined(USBDDBG) && defined(USBDPARANOIA)
@@ -165,9 +165,8 @@ static int udc_read_urb(struct usb_endpoint_instance *endpoint)
n = readl(UDCBCN(ep_num)) & 0x3ff;
else /* zlp */
n = 0;
- is_short = n != endpoint->rcv_packetSize;
- usbdbg("n %d%s", n, is_short ? "-s" : "");
+ usbdbg("n %d%s", n, n != endpoint->rcv_packetSize ? "-s" : "");
for (i = 0; i < n; i += 4)
data32[urb->actual_length / 4 + i / 4] = readl(UDCDN(ep_num));
@@ -402,16 +401,13 @@ static void udc_handle_ep(struct usb_endpoint_instance *endpoint)
static void udc_state_changed(void)
{
- int config, interface, alternate;
writel(readl(UDCCR) | UDCCR_SMAC, UDCCR);
- config = (readl(UDCCR) & UDCCR_ACN) >> UDCCR_ACN_S;
- interface = (readl(UDCCR) & UDCCR_AIN) >> UDCCR_AIN_S;
- alternate = (readl(UDCCR) & UDCCR_AAISN) >> UDCCR_AAISN_S;
-
usbdbg("New UDC settings are: conf %d - inter %d - alter %d",
- config, interface, alternate);
+ (readl(UDCCR) & UDCCR_ACN) >> UDCCR_ACN_S,
+ (readl(UDCCR) & UDCCR_AIN) >> UDCCR_AIN_S,
+ (readl(UDCCR) & UDCCR_AAISN) >> UDCCR_AAISN_S);
usbd_device_event_irq(udc_device, DEVICE_CONFIGURED, 0);
writel(UDCISR1_IRCC, UDCISR1);