Set is_otg boolean flag to signal host driver when host
is running in context of otg host suspend/resume.
Signed-off-by: Ramneek Mehresh <ramneek.mehresh@xxxxxxxxxxxxx>
---
drivers/usb/phy/phy-fsl-usb.c | 7 ++++++-
include/linux/usb.h | 1 +
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/phy/phy-fsl-usb.c b/drivers/usb/phy/phy-fsl-usb.c
index 4e58aee..815c22c 100644
--- a/drivers/usb/phy/phy-fsl-usb.c
+++ b/drivers/usb/phy/phy-fsl-usb.c
@@ -463,6 +463,7 @@ void otg_reset_controller(void)
int fsl_otg_start_host(struct otg_fsm *fsm, int on)
{
struct usb_otg *otg = fsm->otg;
+ struct usb_bus *host = otg->host;
struct device *dev;
struct fsl_otg *otg_dev =
container_of(otg->usb_phy, struct fsl_otg, phy);
@@ -485,6 +486,7 @@ int fsl_otg_start_host(struct otg_fsm *fsm, int on)
else {
otg_reset_controller();
VDBG("host on......\n");
+ host->is_otg = 1;
if (dev->driver->pm && dev->driver->pm->resume) {
retval = dev->driver->pm->resume(dev);
if (fsm->id) {
@@ -510,8 +512,11 @@ int fsl_otg_start_host(struct otg_fsm *fsm, int on)
else {
VDBG("host off......\n");
if (dev && dev->driver) {
- if (dev->driver->pm && dev->driver->pm->suspend)
+ if (dev->driver->pm &&
+ dev->driver->pm->suspend) {
+ host->is_otg = 1;
retval = dev->driver->pm->suspend(dev);
+ }
if (fsm->id)
/* default-b */
fsl_otg_drv_vbus(fsm, 0);
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 447fe29..2208822 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -355,6 +355,7 @@ struct usb_bus {
* for control transfers?
*/
u8 otg_port; /* 0, or number of OTG/HNP port */
+ unsigned is_otg:1; /* true when host is also otg */
unsigned is_b_host:1; /* true during some HNP roleswitches */
unsigned b_hnp_enable:1; /* OTG: did A-Host enable HNP? */
unsigned no_stop_on_short:1; /*
--
1.8.3.1
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