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usb: gadget: dummy_hcd: move ep initialisation HW setup

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This is only required to be done once. There is no counter part to this
in ->stop() so there is no need to re-do it next time. While here also
init the max_stream size to 0 on SS speed.

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>
This commit is contained in:
Sebastian Andrzej Siewior 2011-06-23 14:26:12 +02:00 committed by Greg Kroah-Hartman
parent 765f5b830e
commit 0fb5759952
1 changed files with 33 additions and 23 deletions
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56
drivers/usb/gadget/dummy_hcd.c
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@ -887,25 +887,6 @@ static int dummy_udc_start(struct usb_gadget_driver *driver,
dum->devstatus = 0;
INIT_LIST_HEAD (&dum->gadget.ep_list);
for (i = 0; i < DUMMY_ENDPOINTS; i++) {
struct dummy_ep *ep = &dum->ep [i];
if (!ep_name [i])
break;
ep->ep.name = ep_name [i];
ep->ep.ops = &dummy_ep_ops;
list_add_tail (&ep->ep.ep_list, &dum->gadget.ep_list);
ep->halted = ep->wedged = ep->already_seen =
ep->setup_stage = 0;
ep->ep.maxpacket = ~0;
ep->last_io = jiffies;
ep->gadget = &dum->gadget;
ep->desc = NULL;
INIT_LIST_HEAD (&ep->queue);
}
dum->gadget.ep0 = &dum->ep [0].ep;
if (mod_data.is_super_speed)
dum->gadget.speed = driver->speed;
else if (mod_data.is_high_speed)
@ -922,8 +903,11 @@ static int dummy_udc_start(struct usb_gadget_driver *driver,
for (i = 0; i < DUMMY_ENDPOINTS; i++)
dum->ep[i].ep.max_streams = 0x10;
dum->ep[0].ep.maxpacket = 9;
} else
} else {
for (i = 0; i < DUMMY_ENDPOINTS; i++)
dum->ep[i].ep.max_streams = 0;
dum->ep[0].ep.maxpacket = 64;
}
if (dum->gadget.speed == USB_SPEED_SUPER)
dum->gadget.is_otg =
@ -932,9 +916,6 @@ static int dummy_udc_start(struct usb_gadget_driver *driver,
dum->gadget.is_otg =
(dummy_hcd_to_hcd(dum->hs_hcd)->self.otg_port != 0);
list_del_init (&dum->ep [0].ep.ep_list);
INIT_LIST_HEAD(&dum->fifo_req.queue);
driver->driver.bus = NULL;
dum->driver = driver;
dum->gadget.dev.driver = &driver->driver;
@ -984,6 +965,33 @@ dummy_gadget_release (struct device *dev)
return;
}
static void init_dummy_udc_hw(struct dummy *dum)
{
int i;
INIT_LIST_HEAD(&dum->gadget.ep_list);
for (i = 0; i < DUMMY_ENDPOINTS; i++) {
struct dummy_ep *ep = &dum->ep[i];
if (!ep_name[i])
break;
ep->ep.name = ep_name[i];
ep->ep.ops = &dummy_ep_ops;
list_add_tail(&ep->ep.ep_list, &dum->gadget.ep_list);
ep->halted = ep->wedged = ep->already_seen =
ep->setup_stage = 0;
ep->ep.maxpacket = ~0;
ep->last_io = jiffies;
ep->gadget = &dum->gadget;
ep->desc = NULL;
INIT_LIST_HEAD(&ep->queue);
}
dum->gadget.ep0 = &dum->ep[0].ep;
list_del_init(&dum->ep[0].ep.ep_list);
INIT_LIST_HEAD(&dum->fifo_req.queue);
}
static int dummy_udc_probe (struct platform_device *pdev)
{
struct dummy *dum = &the_controller;
@ -1002,6 +1010,8 @@ static int dummy_udc_probe (struct platform_device *pdev)
return rc;
}
init_dummy_udc_hw(dum);
rc = usb_add_gadget_udc(&pdev->dev, &dum->gadget);
if (rc < 0)
goto err_udc;