diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-21 12:20:00 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-21 12:20:00 -0800 |
commit | 74e1a2a39355b2d3ae8c60c78d8add162c6d7183 (patch) | |
tree | 1ce09f285c505a774838a95cff7327a750dc85fc /drivers/usb/gadget/omap_udc.c | |
parent | b5c78e04dd061b776978dad61dd85357081147b0 (diff) | |
parent | 6166805c3de539a41cfcae39026c5bc273d7c6aa (diff) | |
download | talos-op-linux-74e1a2a39355b2d3ae8c60c78d8add162c6d7183.tar.gz talos-op-linux-74e1a2a39355b2d3ae8c60c78d8add162c6d7183.zip |
Merge tag 'usb-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB patches from Greg Kroah-Hartman:
"Here's the big USB merge for 3.9-rc1
Nothing major, lots of gadget fixes, and of course, xhci stuff.
All of this has been in linux-next for a while, with the exception of
the last 3 patches, which were reverts of patches in the tree that
caused problems, they went in yesterday."
* tag 'usb-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (190 commits)
Revert "USB: EHCI: make ehci-vt8500 a separate driver"
Revert "USB: EHCI: make ehci-orion a separate driver"
Revert "USB: update host controller Kconfig entries"
USB: update host controller Kconfig entries
USB: EHCI: make ehci-orion a separate driver
USB: EHCI: make ehci-vt8500 a separate driver
USB: usb-storage: unusual_devs update for Super TOP SATA bridge
USB: ehci-omap: Fix autoloading of module
USB: ehci-omap: Don't free gpios that we didn't request
USB: option: add Huawei "ACM" devices using protocol = vendor
USB: serial: fix null-pointer dereferences on disconnect
USB: option: add Yota / Megafon M100-1 4g modem
drivers/usb: add missing GENERIC_HARDIRQS dependencies
USB: storage: properly handle the endian issues of idProduct
testusb: remove all mentions of 'usbfs'
usb: gadget: imx_udc: make it depend on BROKEN
usb: omap_control_usb: fix compile warning
ARM: OMAP: USB: Add phy binding information
ARM: OMAP2: MUSB: Specify omap4 has mailbox
ARM: OMAP: devices: create device for usb part of control module
...
Diffstat (limited to 'drivers/usb/gadget/omap_udc.c')
-rw-r--r-- | drivers/usb/gadget/omap_udc.c | 51 |
1 files changed, 13 insertions, 38 deletions
diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c index 8bfe990caf1a..06be85c2b233 100644 --- a/drivers/usb/gadget/omap_udc.c +++ b/drivers/usb/gadget/omap_udc.c @@ -1309,19 +1309,20 @@ static int omap_pullup(struct usb_gadget *gadget, int is_on) return 0; } -static int omap_udc_start(struct usb_gadget_driver *driver, - int (*bind)(struct usb_gadget *, struct usb_gadget_driver *)); -static int omap_udc_stop(struct usb_gadget_driver *driver); +static int omap_udc_start(struct usb_gadget *g, + struct usb_gadget_driver *driver) +static int omap_udc_stop(struct usb_gadget *g, + struct usb_gadget_driver *driver); -static struct usb_gadget_ops omap_gadget_ops = { +static const struct usb_gadget_ops omap_gadget_ops = { .get_frame = omap_get_frame, .wakeup = omap_wakeup, .set_selfpowered = omap_set_selfpowered, .vbus_session = omap_vbus_session, .vbus_draw = omap_vbus_draw, .pullup = omap_pullup, - .start = omap_udc_start, - .stop = omap_udc_stop, + .udc_start = omap_udc_start, + .udc_stop = omap_udc_stop, }; /*-------------------------------------------------------------------------*/ @@ -2041,28 +2042,15 @@ static inline int machine_without_vbus_sense(void) || cpu_is_omap7xx(); } -static int omap_udc_start(struct usb_gadget_driver *driver, - int (*bind)(struct usb_gadget *, struct usb_gadget_driver *)) +static int omap_udc_start(struct usb_gadget *g, + struct usb_gadget_driver *driver) { int status = -ENODEV; struct omap_ep *ep; unsigned long flags; - /* basic sanity tests */ - if (!udc) - return -ENODEV; - if (!driver - /* FIXME if otg, check: driver->is_otg */ - || driver->max_speed < USB_SPEED_FULL - || !bind || !driver->setup) - return -EINVAL; spin_lock_irqsave(&udc->lock, flags); - if (udc->driver) { - spin_unlock_irqrestore(&udc->lock, flags); - return -EBUSY; - } - /* reset state */ list_for_each_entry(ep, &udc->gadget.ep_list, ep.ep_list) { ep->irqs = 0; @@ -2084,15 +2072,6 @@ static int omap_udc_start(struct usb_gadget_driver *driver, if (udc->dc_clk != NULL) omap_udc_enable_clock(1); - status = bind(&udc->gadget, driver); - if (status) { - DBG("bind to %s --> %d\n", driver->driver.name, status); - udc->gadget.dev.driver = NULL; - udc->driver = NULL; - goto done; - } - DBG("bound to driver %s\n", driver->driver.name); - omap_writew(UDC_IRQ_SRC_MASK, UDC_IRQ_SRC); /* connect to bus through transceiver */ @@ -2124,19 +2103,16 @@ static int omap_udc_start(struct usb_gadget_driver *driver, done: if (udc->dc_clk != NULL) omap_udc_enable_clock(0); + return status; } -static int omap_udc_stop(struct usb_gadget_driver *driver) +static int omap_udc_stop(struct usb_gadget *g, + struct usb_gadget_driver *driver) { unsigned long flags; int status = -ENODEV; - if (!udc) - return -ENODEV; - if (!driver || driver != udc->driver || !driver->unbind) - return -EINVAL; - if (udc->dc_clk != NULL) omap_udc_enable_clock(1); @@ -2152,13 +2128,12 @@ static int omap_udc_stop(struct usb_gadget_driver *driver) udc_quiesce(udc); spin_unlock_irqrestore(&udc->lock, flags); - driver->unbind(&udc->gadget); udc->gadget.dev.driver = NULL; udc->driver = NULL; if (udc->dc_clk != NULL) omap_udc_enable_clock(0); - DBG("unregistered driver '%s'\n", driver->driver.name); + return status; } |