Leave vbus on/off hanlded by OTG fsm if in OTG mode.
Signed-off-by: Li Jun <b47624@xxxxxxxxxxxxx>
---
drivers/usb/chipidea/host.c | 6 +++---
drivers/usb/chipidea/host.h | 9 +++++++++
2 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c
index a8ac6c1..4b609bc 100644
--- a/drivers/usb/chipidea/host.c
+++ b/drivers/usb/chipidea/host.c
@@ -67,7 +67,7 @@ static int host_start(struct ci_hdrc *ci)
ehci->has_tdi_phy_lpm = ci->hw_bank.lpm;
ehci->imx28_write_fix = ci->imx28_write_fix;
- if (ci->platdata->reg_vbus) {
+ if (ci->platdata->reg_vbus && !ci_host_is_otg(ci)) {
ret = regulator_enable(ci->platdata->reg_vbus);
if (ret) {
dev_err(ci->dev,
@@ -89,7 +89,7 @@ static int host_start(struct ci_hdrc *ci)
return ret;
disable_reg:
- if (ci->platdata->reg_vbus)
+ if (ci->platdata->reg_vbus && !ci_host_is_otg(ci))
regulator_disable(ci->platdata->reg_vbus);
put_hcd:
@@ -105,7 +105,7 @@ static void host_stop(struct ci_hdrc *ci)
if (hcd) {
usb_remove_hcd(hcd);
usb_put_hcd(hcd);
- if (ci->platdata->reg_vbus)
+ if (ci->platdata->reg_vbus && !ci_host_is_otg(ci))
regulator_disable(ci->platdata->reg_vbus);
}
}
diff --git a/drivers/usb/chipidea/host.h b/drivers/usb/chipidea/host.h
index 5707bf3..f98d084 100644
--- a/drivers/usb/chipidea/host.h
+++ b/drivers/usb/chipidea/host.h
@@ -6,6 +6,15 @@
int ci_hdrc_host_init(struct ci_hdrc *ci);
void ci_hdrc_host_destroy(struct ci_hdrc *ci);
+static inline bool ci_host_is_otg(struct ci_hdrc *ci)
+{
+#ifdef CONFIG_USB_OTG_FSM
+ return (ci->is_otg) && (ci->platdata->dr_mode == USB_DR_MODE_OTG);
+#else
+ return false;
+#endif
+}
+
#else
static inline int ci_hdrc_host_init(struct ci_hdrc *ci)
--
1.7.9.5
--
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