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

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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>
This commit is contained in:
David Brownell 2005-05-07 13:05:52 -07:00 committed by Greg Kroah-Hartman
parent 320f34595c
commit 988199fe34
1 changed files with 17 additions and 11 deletions
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28
drivers/usb/gadget/goku_udc.c
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@ -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.