diff options
author | Felipe Balbi <balbi@ti.com> | 2011-11-24 14:46:26 +0100 |
---|---|---|
committer | Felipe Balbi <balbi@ti.com> | 2012-08-09 11:34:46 +0200 |
commit | 032ec49f5351e9cb242b1a1c367d14415043ab95 (patch) | |
tree | c23887e0302e4fa10a5ee6501a85e69bbd802475 /drivers/usb/musb/musb_gadget.c | |
parent | usb: musb: use DMA mode 1 whenever possible (diff) | |
download | linux-032ec49f5351e9cb242b1a1c367d14415043ab95.tar.xz linux-032ec49f5351e9cb242b1a1c367d14415043ab95.zip |
usb: musb: drop useless board_mode usage
we are compiling the driver always with full OTG
capabilities, so that board_mode trick becomes
useless.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/musb/musb_gadget.c')
-rw-r--r-- | drivers/usb/musb/musb_gadget.c | 83 |
1 files changed, 30 insertions, 53 deletions
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index 5c4392b02169..7fb060d91282 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -1864,8 +1864,7 @@ int __devinit musb_gadget_setup(struct musb *musb) musb->g.dev.release = musb_gadget_release; musb->g.name = musb_driver_name; - if (is_otg_enabled(musb)) - musb->g.is_otg = 1; + musb->g.is_otg = 1; musb_g_init_endpoints(musb); @@ -1911,11 +1910,14 @@ static int musb_gadget_start(struct usb_gadget *g, { struct musb *musb = gadget_to_musb(g); struct usb_otg *otg = musb->xceiv->otg; + struct usb_hcd *hcd = musb_to_hcd(musb); unsigned long flags; - int retval = -EINVAL; + int retval = 0; - if (driver->max_speed < USB_SPEED_HIGH) - goto err0; + if (driver->max_speed < USB_SPEED_HIGH) { + retval = -EINVAL; + goto err; + } pm_runtime_get_sync(musb->controller); @@ -1929,49 +1931,30 @@ static int musb_gadget_start(struct usb_gadget *g, otg_set_peripheral(otg, &musb->g); musb->xceiv->state = OTG_STATE_B_IDLE; - - /* - * FIXME this ignores the softconnect flag. Drivers are - * allowed hold the peripheral inactive until for example - * userspace hooks up printer hardware or DSP codecs, so - * hosts only see fully functional devices. - */ - - if (!is_otg_enabled(musb)) - musb_start(musb); - spin_unlock_irqrestore(&musb->lock, flags); - if (is_otg_enabled(musb)) { - struct usb_hcd *hcd = musb_to_hcd(musb); - - dev_dbg(musb->controller, "OTG startup...\n"); + /* REVISIT: funcall to other code, which also + * handles power budgeting ... this way also + * ensures HdrcStart is indirectly called. + */ + retval = usb_add_hcd(hcd, 0, 0); + if (retval < 0) { + dev_dbg(musb->controller, "add_hcd failed, %d\n", retval); + goto err; + } - /* REVISIT: funcall to other code, which also - * handles power budgeting ... this way also - * ensures HdrcStart is indirectly called. - */ - retval = usb_add_hcd(musb_to_hcd(musb), 0, 0); - if (retval < 0) { - dev_dbg(musb->controller, "add_hcd failed, %d\n", retval); - goto err2; - } + if ((musb->xceiv->last_event == USB_EVENT_ID) + && otg->set_vbus) + otg_set_vbus(otg, 1); - if ((musb->xceiv->last_event == USB_EVENT_ID) - && otg->set_vbus) - otg_set_vbus(otg, 1); + hcd->self.uses_pio_for_control = 1; - hcd->self.uses_pio_for_control = 1; - } if (musb->xceiv->last_event == USB_EVENT_NONE) pm_runtime_put(musb->controller); return 0; -err2: - if (!is_otg_enabled(musb)) - musb_stop(musb); -err0: +err: return retval; } @@ -2049,16 +2032,12 @@ static int musb_gadget_stop(struct usb_gadget *g, musb_platform_try_idle(musb, 0); spin_unlock_irqrestore(&musb->lock, flags); - if (is_otg_enabled(musb)) { - usb_remove_hcd(musb_to_hcd(musb)); - /* FIXME we need to be able to register another - * gadget driver here and have everything work; - * that currently misbehaves. - */ - } - - if (!is_otg_enabled(musb)) - musb_stop(musb); + usb_remove_hcd(musb_to_hcd(musb)); + /* + * FIXME we need to be able to register another + * gadget driver here and have everything work; + * that currently misbehaves. + */ pm_runtime_put(musb->controller); @@ -2220,13 +2199,11 @@ __acquires(musb->lock) if (devctl & MUSB_DEVCTL_BDEVICE) { musb->xceiv->state = OTG_STATE_B_PERIPHERAL; musb->g.is_a_peripheral = 0; - } else if (is_otg_enabled(musb)) { + } else { musb->xceiv->state = OTG_STATE_A_PERIPHERAL; musb->g.is_a_peripheral = 1; - } else - WARN_ON(1); + } /* start with default limits on VBUS power draw */ - (void) musb_gadget_vbus_draw(&musb->g, - is_otg_enabled(musb) ? 8 : 100); + (void) musb_gadget_vbus_draw(&musb->g, 8); } |