Whenever babble happens, MUSB controller will
drop session automatically.
The only case where it won't drop the session,
is when we're running on AM335x and SW_SESSION_CTRL
bit has been set. In that case, controller will
not touch session bit so SW has a chance to recover
from babble condition.
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
---
drivers/usb/musb/musb_core.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index c3c5a6462600..70b2612205f8 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -879,8 +879,7 @@ b_host:
* the session.
*/
if (power & MUSB_POWER_HSMODE) {
- ERR("Stopping host session -- babble\n");
- musb_writeb(musb->mregs, MUSB_DEVCTL, 0);
+ ERR("Babble - session will be dropped\n");
if (is_host_active(musb)) {
musb_generic_disable(musb);
--
2.3.0
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