diff options
| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2011-06-23 16:26:14 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-07-02 01:31:13 +0400 |
| commit | b5738413c96126e8191bc506b403cd55950b8f9a (patch) | |
| tree | 8669df2ce05354618ab426be02aae7a2c69f2d8c /drivers/usb/gadget/dummy_hcd.c | |
| parent | f8744d40ca12d54f35c56831040683d52e765bf8 (diff) | |
| download | linux-b5738413c96126e8191bc506b403cd55950b8f9a.tar.xz | |
usb: gadget: dummy_hcd: move selection of speed into ->pullup()
The configuration is static however we only know the speed after we have
connected with the other side.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/gadget/dummy_hcd.c')
| -rw-r--r-- | drivers/usb/gadget/dummy_hcd.c | 60 |
1 files changed, 35 insertions, 25 deletions
diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c index 0ab2f565c12d..f5c0d8f28598 100644 --- a/drivers/usb/gadget/dummy_hcd.c +++ b/drivers/usb/gadget/dummy_hcd.c @@ -807,19 +807,52 @@ static int dummy_set_selfpowered (struct usb_gadget *_gadget, int value) return 0; } +static void dummy_udc_udpate_ep0(struct dummy *dum) +{ + u32 i; + + if (dum->gadget.speed == USB_SPEED_SUPER) { + for (i = 0; i < DUMMY_ENDPOINTS; i++) + dum->ep[i].ep.max_streams = 0x10; + dum->ep[0].ep.maxpacket = 9; + } else { + for (i = 0; i < DUMMY_ENDPOINTS; i++) + dum->ep[i].ep.max_streams = 0; + dum->ep[0].ep.maxpacket = 64; + } +} + static int dummy_pullup (struct usb_gadget *_gadget, int value) { struct dummy_hcd *dum_hcd; struct dummy *dum; unsigned long flags; + dum = gadget_dev_to_dummy(&_gadget->dev); + + if (value && dum->driver) { + if (mod_data.is_super_speed) + dum->gadget.speed = dum->driver->speed; + else if (mod_data.is_high_speed) + dum->gadget.speed = min_t(u8, USB_SPEED_HIGH, + dum->driver->speed); + else + dum->gadget.speed = USB_SPEED_FULL; + dummy_udc_udpate_ep0(dum); + + if (dum->gadget.speed < dum->driver->speed) + dev_dbg(udc_dev(dum), "This device can perform faster" + " if you connect it to a %s port...\n", + (dum->driver->speed == USB_SPEED_SUPER ? + "SuperSpeed" : "HighSpeed")); + } dum_hcd = gadget_to_dummy_hcd(_gadget); - dum = dum_hcd->dum; spin_lock_irqsave (&dum->lock, flags); dum->pullup = (value != 0); set_link_state(dum_hcd); spin_unlock_irqrestore (&dum->lock, flags); + usb_hcd_poll_rh_status(dummy_hcd_to_hcd(dum_hcd)); return 0; } @@ -871,7 +904,7 @@ static int dummy_udc_start(struct usb_gadget_driver *driver, int (*bind)(struct usb_gadget *)) { struct dummy *dum = &the_controller; - int retval, i; + int retval; if (!dum) return -EINVAL; @@ -887,29 +920,6 @@ static int dummy_udc_start(struct usb_gadget_driver *driver, dum->devstatus = 0; - if (mod_data.is_super_speed) - dum->gadget.speed = driver->speed; - else if (mod_data.is_high_speed) - dum->gadget.speed = min_t(u8, USB_SPEED_HIGH, driver->speed); - else - dum->gadget.speed = USB_SPEED_FULL; - if (dum->gadget.speed < driver->speed) - dev_dbg(udc_dev(dum), "This device can perform faster" - " if you connect it to a %s port...\n", - (driver->speed == USB_SPEED_SUPER ? - "SuperSpeed" : "HighSpeed")); - - if (dum->gadget.speed == USB_SPEED_SUPER) { - for (i = 0; i < DUMMY_ENDPOINTS; i++) - dum->ep[i].ep.max_streams = 0x10; - dum->ep[0].ep.maxpacket = 9; - } else { - for (i = 0; i < DUMMY_ENDPOINTS; i++) - dum->ep[i].ep.max_streams = 0; - dum->ep[0].ep.maxpacket = 64; - } - - driver->driver.bus = NULL; dum->driver = driver; dum->gadget.dev.driver = &driver->driver; dev_dbg (udc_dev(dum), "binding gadget driver '%s'\n", |