// #define VERBOSE /* extra debug messages (success too) */
// #define USB_TRACE /* packet-level success messages */
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/ioport.h>
-#include <linux/sched.h>
#include <linux/slab.h>
-#include <linux/smp_lock.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/timer.h>
#include <linux/interrupt.h>
#include <linux/proc_fs.h>
#include <linux/device.h>
-#include <linux/usb_ch9.h>
+#include <linux/usb/ch9.h>
#include <linux/usb_gadget.h>
#include <asm/byteorder.h>
* 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;
/*-------------------------------------------------------------------------*/
static struct usb_request *
-goku_alloc_request(struct usb_ep *_ep, int gfp_flags)
+goku_alloc_request(struct usb_ep *_ep, gfp_t gfp_flags)
{
struct goku_request *req;
if (!_ep)
return NULL;
- req = kmalloc(sizeof *req, gfp_flags);
+ req = kzalloc(sizeof *req, gfp_flags);
if (!req)
return NULL;
- memset(req, 0, sizeof *req);
req->req.dma = DMA_ADDR_INVALID;
INIT_LIST_HEAD(&req->queue);
return &req->req;
/*-------------------------------------------------------------------------*/
-#undef USE_KMALLOC
-
-/* many common platforms have dma-coherent caches, which means that it's
- * safe to use kmalloc() memory for all i/o buffers without using any
- * cache flushing calls. (unless you're trying to share cache lines
- * between dma and non-dma activities, which is a slow idea in any case.)
- *
- * other platforms need more care, with 2.6 having a moderately general
- * solution except for the common "buffer is smaller than a page" case.
- */
-#if defined(CONFIG_X86)
-#define USE_KMALLOC
-
-#elif defined(CONFIG_MIPS) && !defined(CONFIG_NONCOHERENT_IO)
-#define USE_KMALLOC
-
-#elif defined(CONFIG_PPC) && !defined(CONFIG_NOT_COHERENT_CACHE)
-#define USE_KMALLOC
-
-#endif
-
/* allocating buffers this way eliminates dma mapping overhead, which
* on some platforms will mean eliminating a per-io buffer copy. with
* some kinds of system caches, further tweaks may still be needed.
*/
static void *
goku_alloc_buffer(struct usb_ep *_ep, unsigned bytes,
- dma_addr_t *dma, int gfp_flags)
+ dma_addr_t *dma, gfp_t gfp_flags)
{
void *retval;
struct goku_ep *ep;
return NULL;
*dma = DMA_ADDR_INVALID;
-#if defined(USE_KMALLOC)
- retval = kmalloc(bytes, gfp_flags);
- if (retval)
- *dma = virt_to_phys(retval);
-#else
if (ep->dma) {
/* the main problem with this call is that it wastes memory
* on typical 1/N page allocations: it allocates 1-N pages.
bytes, dma, gfp_flags);
} else
retval = kmalloc(bytes, gfp_flags);
-#endif
return retval;
}
goku_free_buffer(struct usb_ep *_ep, void *buf, dma_addr_t dma, unsigned bytes)
{
/* free memory into the right allocator */
-#ifndef USE_KMALLOC
if (dma != DMA_ADDR_INVALID) {
struct goku_ep *ep;
return;
dma_free_coherent(&ep->dev->pdev->dev, bytes, buf, dma);
} else
-#endif
kfree (buf);
}
/*-------------------------------------------------------------------------*/
static int
-goku_queue(struct usb_ep *_ep, struct usb_request *_req, int gfp_flags)
+goku_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
{
struct goku_request *req;
struct goku_ep *ep;
if (!driver
|| driver->speed != USB_SPEED_FULL
|| !driver->bind
- || !driver->unbind
|| !driver->disconnect
|| !driver->setup)
return -EINVAL;
if (!dev)
return -ENODEV;
- if (!driver || driver != dev->driver)
+ if (!driver || driver != dev->driver || !driver->unbind)
return -EINVAL;
spin_lock_irqsave(&dev->lock, flags);
/* read SETUP packet and enter DATA stage */
ctrl.bRequestType = readl(®s->bRequestType);
ctrl.bRequest = readl(®s->bRequest);
- ctrl.wValue = (readl(®s->wValueH) << 8) | readl(®s->wValueL);
- ctrl.wIndex = (readl(®s->wIndexH) << 8) | readl(®s->wIndexL);
- ctrl.wLength = (readl(®s->wLengthH) << 8) | readl(®s->wLengthL);
+ ctrl.wValue = cpu_to_le16((readl(®s->wValueH) << 8)
+ | readl(®s->wValueL));
+ ctrl.wIndex = cpu_to_le16((readl(®s->wIndexH) << 8)
+ | readl(®s->wIndexL));
+ ctrl.wLength = cpu_to_le16((readl(®s->wLengthH) << 8)
+ | readl(®s->wLengthL));
writel(0, ®s->SetupRecv);
nuke(&dev->ep[0], 0);
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]);
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;
#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.
handled = 1; \
}
-static irqreturn_t goku_irq(int irq, void *_dev, struct pt_regs *r)
+static irqreturn_t goku_irq(int irq, void *_dev)
{
struct goku_udc *dev = _dev;
struct goku_udc_regs __iomem *regs = dev->regs;
struct goku_udc *dev = pci_get_drvdata(pdev);
DBG(dev, "%s\n", __FUNCTION__);
- /* start with the driver above us */
- if (dev->driver) {
- /* should have been done already by driver model core */
- WARN(dev, "pci remove, driver '%s' is still registered\n",
- dev->driver->driver.name);
- usb_gadget_unregister_driver(dev->driver);
- }
+
+ BUG_ON(dev->driver);
#ifdef CONFIG_USB_GADGET_DEBUG_FILES
remove_proc_entry(proc_node_name, NULL);
unsigned long resource, len;
void __iomem *base = NULL;
int retval;
- char buf [8], *bufp;
/* if you want to support more than one controller in a system,
* usb_gadget_driver_{register,unregister}() must change.
}
/* alloc, and start init */
- dev = kmalloc (sizeof *dev, SLAB_KERNEL);
+ dev = kmalloc (sizeof *dev, GFP_KERNEL);
if (dev == NULL){
pr_debug("enomem %s\n", pci_name(pdev));
retval = -ENOMEM;
pci_set_drvdata(pdev, dev);
INFO(dev, "%s\n", driver_desc);
INFO(dev, "version: " DRIVER_VERSION " %s\n", dmastr());
-#ifndef __sparc__
- scnprintf(buf, sizeof buf, "%d", pdev->irq);
- bufp = buf;
-#else
- bufp = __irq_itoa(pdev->irq);
-#endif
- INFO(dev, "irq %s, pci mem %p\n", bufp, base);
+ INFO(dev, "irq %d, pci mem %p\n", pdev->irq, base);
/* init to known state, then setup irqs */
udc_reset(dev);
udc_reinit (dev);
- if (request_irq(pdev->irq, goku_irq, SA_SHIRQ/*|SA_SAMPLE_RANDOM*/,
+ if (request_irq(pdev->irq, goku_irq, IRQF_SHARED/*|IRQF_SAMPLE_RANDOM*/,
driver_name, dev) != 0) {
- DBG(dev, "request interrupt %s failed\n", bufp);
+ DBG(dev, "request interrupt %d failed\n", pdev->irq);
retval = -EBUSY;
goto done;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff