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greybus: es2: clean up cport-reset handling

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Move handling of CPort-reset exceptions to the reset handler.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Johan Hovold
2016-05-11 10:18:03 +02:00
committed by Greg Kroah-Hartman
parent f2aae1c6e6
commit e7b848c288
1 changed files with 8 additions and 5 deletions
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13
drivers/staging/greybus/es2.c
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@@ -506,6 +506,11 @@ static int cport_reset(struct gb_host_device *hd, u16 cport_id)
struct usb_device *udev = es2->usb_dev;
int retval;
switch (cport_id) {
case GB_SVC_CPORT_ID:
return 0;
}
retval = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
GB_APB_REQUEST_RESET_CPORT,
USB_DIR_OUT | USB_TYPE_VENDOR |
@@ -524,11 +529,9 @@ static int cport_enable(struct gb_host_device *hd, u16 cport_id)
{
int retval;
if (cport_id != GB_SVC_CPORT_ID) {
retval = cport_reset(hd, cport_id);
if (retval)
return retval;
}
retval = cport_reset(hd, cport_id);
if (retval)
return retval;
return 0;
}