diff options
Diffstat (limited to 'drivers/usb/gadget/fsl_usb2_udc.c')
| -rw-r--r-- | drivers/usb/gadget/fsl_usb2_udc.c | 28 |
1 files changed, 9 insertions, 19 deletions
diff --git a/drivers/usb/gadget/fsl_usb2_udc.c b/drivers/usb/gadget/fsl_usb2_udc.c index 3b96aac27af..d242e7eb5a5 100644 --- a/drivers/usb/gadget/fsl_usb2_udc.c +++ b/drivers/usb/gadget/fsl_usb2_udc.c @@ -23,11 +23,8 @@ #include <linux/ioport.h> #include <linux/types.h> #include <linux/errno.h> -#include <linux/delay.h> -#include <linux/sched.h> #include <linux/slab.h> #include <linux/init.h> -#include <linux/timer.h> #include <linux/list.h> #include <linux/interrupt.h> #include <linux/proc_fs.h> @@ -44,11 +41,9 @@ #include <asm/byteorder.h> #include <asm/io.h> -#include <asm/irq.h> #include <asm/system.h> #include <asm/unaligned.h> #include <asm/dma.h> -#include <asm/cacheflush.h> #include "fsl_usb2_udc.h" @@ -61,8 +56,8 @@ static const char driver_name[] = "fsl-usb2-udc"; static const char driver_desc[] = DRIVER_DESC; -volatile static struct usb_dr_device *dr_regs = NULL; -volatile static struct usb_sys_interface *usb_sys_regs = NULL; +static struct usb_dr_device *dr_regs; +static struct usb_sys_interface *usb_sys_regs; /* it is initialized in probe() */ static struct fsl_udc *udc_controller = NULL; @@ -560,7 +555,7 @@ static int fsl_ep_disable(struct usb_ep *_ep) /* nuke all pending requests (does flush) */ nuke(ep, -ESHUTDOWN); - ep->desc = 0; + ep->desc = NULL; ep->stopped = 1; spin_unlock_irqrestore(&udc->lock, flags); @@ -1565,9 +1560,6 @@ static void port_change_irq(struct fsl_udc *udc) { u32 speed; - if (udc->bus_reset) - udc->bus_reset = 0; - /* Bus resetting is finished */ if (!(fsl_readl(&dr_regs->portsc1) & PORTSCX_PORT_RESET)) { /* Get the speed */ @@ -1675,8 +1667,6 @@ static void reset_irq(struct fsl_udc *udc) if (fsl_readl(&dr_regs->portsc1) & PORTSCX_PORT_RESET) { VDBG("Bus reset"); - /* Bus is reseting */ - udc->bus_reset = 1; /* Reset all the queues, include XD, dTD, EP queue * head and TR Queue */ reset_queues(udc); @@ -1796,7 +1786,7 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver) /* lock is needed but whether should use this lock or another */ spin_lock_irqsave(&udc_controller->lock, flags); - driver->driver.bus = 0; + driver->driver.bus = NULL; /* hook up the driver */ udc_controller->driver = driver; udc_controller->gadget.dev.driver = &driver->driver; @@ -1806,8 +1796,8 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver) retval = driver->bind(&udc_controller->gadget); if (retval) { VDBG("bind to %s --> %d", driver->driver.name, retval); - udc_controller->gadget.dev.driver = 0; - udc_controller->driver = 0; + udc_controller->gadget.dev.driver = NULL; + udc_controller->driver = NULL; goto out; } @@ -1839,7 +1829,7 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver) return -EINVAL; if (udc_controller->transceiver) - (void)otg_set_peripheral(udc_controller->transceiver, 0); + otg_set_peripheral(udc_controller->transceiver, NULL); /* stop DR, disable intr */ dr_controller_stop(udc_controller); @@ -1860,8 +1850,8 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver) /* unbind gadget and unhook driver. */ driver->unbind(&udc_controller->gadget); - udc_controller->gadget.dev.driver = 0; - udc_controller->driver = 0; + udc_controller->gadget.dev.driver = NULL; + udc_controller->driver = NULL; printk("unregistered gadget driver '%s'\r\n", driver->driver.name); return 0; |