We have only needed to enable otg initialization when both of
below conditions are satisfied:
- The controller is otg capable
- The gadget function is enabled
If the controller is otg capable, but is host-only configuration, we do
not need to access register otgsc and do any otg operations (eg, create
otg workqueue).
Signed-off-by: Peter Chen <peter.c...@freescale.com>
---
drivers/usb/chipidea/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index 619d13e..579b353 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -658,7 +658,7 @@ static int ci_hdrc_probe(struct platform_device *pdev)
goto deinit_phy;
}
- if (ci->is_otg) {
+ if (ci->is_otg && ci->roles[CI_ROLE_GADGET]) {
/* Disable and clear all OTG irq */
hw_write_otgsc(ci, OTGSC_INT_EN_BITS | OTGSC_INT_STATUS_BITS,
OTGSC_INT_STATUS_BITS);
--
1.7.9.5
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