[PATCH] USB: goku_udc updates (sparse, SETUP api change)

Sparse updates; and the API change for SETUP packets being in USB byteorder.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/gadget/goku_udc.c b/drivers/usb/gadget/goku_udc.c
index 005db7cca2920452dabf48d032e66e6388ffe956..ed773a9111de6be447ea2f43c372122d5a68c828 100644 (file)
--- a/drivers/usb/gadget/goku_udc.c
+++ b/drivers/usb/gadget/goku_udc.c
@@ -70,7 +70,7 @@ MODULE_LICENSE("GPL");
  * seem to behave quite as expected.  Used by default.
  *
  * OUT dma documents design problems handling the common "short packet"
- * transfer termination policy; it couldn't enabled by default, even
+ * transfer termination policy; it couldn't be enabled by default, even
  * if the OUT-dma abort problems had a resolution.
  */
 static unsigned use_dma = 1;
@@ -313,7 +313,7 @@ goku_free_request(struct usb_ep *_ep, struct usb_request *_req)
 #if    defined(CONFIG_X86)
 #define USE_KMALLOC
 
-#elif  defined(CONFIG_MIPS) && !defined(CONFIG_NONCOHERENT_IO)
+#elif  defined(CONFIG_MIPS) && !defined(CONFIG_DMA_NONCOHERENT)
 #define USE_KMALLOC
 
 #elif  defined(CONFIG_PPC) && !defined(CONFIG_NOT_COHERENT_CACHE)
@@ -1524,9 +1524,12 @@ static void ep0_setup(struct goku_udc *dev)
        /* read SETUP packet and enter DATA stage */
        ctrl.bRequestType = readl(&regs->bRequestType);
        ctrl.bRequest = readl(&regs->bRequest);
-       ctrl.wValue  = (readl(&regs->wValueH)  << 8) | readl(&regs->wValueL);
-       ctrl.wIndex  = (readl(&regs->wIndexH)  << 8) | readl(&regs->wIndexL);
-       ctrl.wLength = (readl(&regs->wLengthH) << 8) | readl(&regs->wLengthL);
+       ctrl.wValue  = cpu_to_le16((readl(&regs->wValueH)  << 8)
+                                       | readl(&regs->wValueL));
+       ctrl.wIndex  = cpu_to_le16((readl(&regs->wIndexH)  << 8)
+                                       | readl(&regs->wIndexL));
+       ctrl.wLength = cpu_to_le16((readl(&regs->wLengthH) << 8)
+                                       | readl(&regs->wLengthL));
        writel(0, &regs->SetupRecv);
 
        nuke(&dev->ep[0], 0);
@@ -1548,18 +1551,20 @@ static void ep0_setup(struct goku_udc *dev)
                case USB_REQ_CLEAR_FEATURE:
                        switch (ctrl.bRequestType) {
                        case USB_RECIP_ENDPOINT:
-                               tmp = ctrl.wIndex & 0x0f;
+                               tmp = le16_to_cpu(ctrl.wIndex) & 0x0f;
                                /* active endpoint */
                                if (tmp > 3 || (!dev->ep[tmp].desc && tmp != 0))
                                        goto stall;
-                               if (ctrl.wIndex & USB_DIR_IN) {
+                               if (ctrl.wIndex & __constant_cpu_to_le16(
+                                               USB_DIR_IN)) {
                                        if (!dev->ep[tmp].is_in)
                                                goto stall;
                                } else {
                                        if (dev->ep[tmp].is_in)
                                                goto stall;
                                }
-                               if (ctrl.wValue != USB_ENDPOINT_HALT)
+                               if (ctrl.wValue != __constant_cpu_to_le16(
+                                               USB_ENDPOINT_HALT))
                                        goto stall;
                                if (tmp)
                                        goku_clear_halt(&dev->ep[tmp]);
@@ -1571,7 +1576,7 @@ succeed:
                                return;
                        case USB_RECIP_DEVICE:
                                /* device remote wakeup: always clear */
-                               if (ctrl.wValue != 1)
+                               if (ctrl.wValue != __constant_cpu_to_le16(1))
                                        goto stall;
                                VDBG(dev, "clear dev remote wakeup\n");
                                goto succeed;
@@ -1589,14 +1594,15 @@ succeed:
 #ifdef USB_TRACE
        VDBG(dev, "SETUP %02x.%02x v%04x i%04x l%04x\n",
                ctrl.bRequestType, ctrl.bRequest,
-               ctrl.wValue, ctrl.wIndex, ctrl.wLength);
+               le16_to_cpu(ctrl.wValue), le16_to_cpu(ctrl.wIndex),
+               le16_to_cpu(ctrl.wLength));
 #endif
 
        /* hw wants to know when we're configured (or not) */
        dev->req_config = (ctrl.bRequest == USB_REQ_SET_CONFIGURATION
                                && ctrl.bRequestType == USB_RECIP_DEVICE);
        if (unlikely(dev->req_config))
-               dev->configured = (ctrl.wValue != 0);
+               dev->configured = (ctrl.wValue != __constant_cpu_to_le16(0));
 
        /* delegate everything to the gadget driver.
         * it may respond after this irq handler returns.