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libpayload: udc: dwc2: support force_shutdown() routine 

Add force_shutdown() routine for dwc2 udc driver to support
disconnect and reconnect case when fastboot receiving data.

BUG=chrome-os-partner:41687
BRANCH=None
TEST=None

Change-Id: I9ec204d8b7088cfafd3164c9779a6fd85d379dba
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 9238f87c065ba8a57bfb4a7e65fd1821ff2922f9
Original-Change-Id: I1e584aaf19efa14409bdfa26039c27fa7034b5f0
Original-Signed-off-by: Yunzhi Li <lyz@rock-chips.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/281130
Original-Reviewed-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Tested-by: Lin Huang <hl@rock-chips.com>
Original-Commit-Queue: Jeffy Chen <jeffy.chen@rock-chips.com>
Reviewed-on: http://review.coreboot.org/10770
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Yunzhi Li 2015-06-23 17:42:34 +08:00 committed by Patrick Georgi
parent 2c2e05ad79
commit d8a3ed49a5
1 changed files with 21 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
payloads/libpayload/drivers/udc/dwc2.c
View File

@ -675,21 +675,10 @@ static int dwc2_check_irq(struct usbdev_ctrl *this)
return 1;
}
static void dwc2_shutdown(struct usbdev_ctrl *this)
static void dwc2_force_shutdown(struct usbdev_ctrl *this)
{
dwc2_pdata_t *p = DWC2_PDATA(this);
int i, j;
int is_empty = 0;
gusbcfg_t gusbcfg;
while (!is_empty) {
is_empty = 1;
this->poll(this);
for (i = 0; i < 16; i++)
for (j = 0; j < 2; j++)
if (!SIMPLEQ_EMPTY(&p->eps[i][j].job_queue))
is_empty = 0;
}
dwc2_pdata_t *p = DWC2_PDATA(this);
/* Disconnect */
dwc2_connect(this, 0);
@ -704,6 +693,24 @@ static void dwc2_shutdown(struct usbdev_ctrl *this)
free(this);
}
static void dwc2_shutdown(struct usbdev_ctrl *this)
{
dwc2_pdata_t *p = DWC2_PDATA(this);
int i, j;
int is_empty = 0;
while (!is_empty) {
is_empty = 1;
this->poll(this);
for (i = 0; i < 16; i++)
for (j = 0; j < 2; j++)
if (!SIMPLEQ_EMPTY(&p->eps[i][j].job_queue))
is_empty = 0;
}
dwc2_force_shutdown(this);
}
static void dwc2_set_address(struct usbdev_ctrl *this, int address)
{
dwc2_pdata_t *p = DWC2_PDATA(this);
@ -910,6 +917,7 @@ struct usbdev_ctrl *dwc2_udc_init(device_descriptor_t *dd)
ctrl->poll = dwc2_check_irq;
ctrl->add_gadget = udc_add_gadget;
ctrl->enqueue_packet = dwc2_enqueue_packet;
ctrl->force_shutdown = dwc2_force_shutdown;
ctrl->shutdown = dwc2_shutdown;
ctrl->set_address = dwc2_set_address;
ctrl->stall = dwc2_stall;