Felipe,
On Thu, Feb 26, 2015 at 12:25 PM, Felipe Balbi <balbi@xxxxxx> wrote:
> 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");
Do you want to take this chance to change it to dev_err()?
>
> if (is_host_active(musb)) {
> musb_generic_disable(musb);
> --
> 2.3.0
>
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