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| author | Robert Jarzmik <robert.jarzmik@free.fr> | 2009-01-24 23:55:34 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-03-24 16:20:26 -0700 |
| commit | eb50702539f9be3765127d927d3e9ccfeb65f26e (patch) | |
| tree | dcb3885aa1c037c2a2113d2451a28bd5a5c18537 /drivers/usb/gadget/pxa27x_udc.h | |
| parent | c2344f13b59e007d782a3e591ebc551bc583a8b7 (diff) | |
| download | blackbird-op-linux-eb50702539f9be3765127d927d3e9ccfeb65f26e.tar.gz blackbird-op-linux-eb50702539f9be3765127d927d3e9ccfeb65f26e.zip | |
USB: pxa27x_udc: factor pullup code to prepare otg transceiver
Prepare pxa27x_udc to handle usb D+ pullup properly : it
should connect the pullup resistor and disconnect it only
if no external transceiver is handling it.
[ dbrownell@users.sourceforge.net: kerneldoc and gpio fixes ]
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/gadget/pxa27x_udc.h')
| -rw-r--r-- | drivers/usb/gadget/pxa27x_udc.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/gadget/pxa27x_udc.h b/drivers/usb/gadget/pxa27x_udc.h index 1d1b7936ee11..6f5234dff8a5 100644 --- a/drivers/usb/gadget/pxa27x_udc.h +++ b/drivers/usb/gadget/pxa27x_udc.h @@ -425,6 +425,9 @@ struct udc_stats { * @stats: statistics on udc usage * @udc_usb_ep: array of usb endpoints offered by the gadget * @pxa_ep: array of pxa available endpoints + * @enabled: UDC was enabled by a previous udc_enable() + * @pullup_on: if pullup resistor connected to D+ pin + * @pullup_resume: if pullup resistor should be connected to D+ pin on resume * @config: UDC active configuration * @last_interface: UDC interface of the last SET_INTERFACE host request * @last_alternate: UDC altsetting of the last SET_INTERFACE host request @@ -450,6 +453,9 @@ struct pxa_udc { struct udc_usb_ep udc_usb_ep[NR_USB_ENDPOINTS]; struct pxa_ep pxa_ep[NR_PXA_ENDPOINTS]; + unsigned enabled:1; + unsigned pullup_on:1; + unsigned pullup_resume:1; unsigned config:2; unsigned last_interface:3; unsigned last_alternate:3; |
