usb: musb: core: always try to recover from babble

we can also have babble conditions with LS/FS
and we also want to recover in that case.

Because of that we will drop the check of HSMODE
and always try to run babble recovery.

Suggested-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 6 insertions, 16 deletions

diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 3916e73abf7d..a48b5a9c6c47 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -863,28 +863,18 @@ b_host:
         if (int_usb & MUSB_INTR_RESET) {
                 handled = IRQ_HANDLED;
                 if (devctl & MUSB_DEVCTL_HM) {
-                        u8 power = musb_readl(musb->mregs, MUSB_POWER);
-
                         /*
-                         * Looks like non-HS BABBLE can be ignored, but
-                         * HS BABBLE is an error condition.
-                         *
-                         * For HS the solution is to avoid babble in the first
-                         * place and fix what caused BABBLE.
-                         *
-                         * When HS BABBLE happens what we can depends on which
+                         * When BABBLE happens what we can depends on which
                          * platform MUSB is running, because some platforms
                          * implemented proprietary means for 'recovering' from
                          * Babble conditions. One such platform is AM335x. In
-                         * most cases, however, the only thing we can do is drop
-                         * the session.
+                         * most cases, however, the only thing we can do is
+                         * drop the session.
                          */
-                        if (power & MUSB_POWER_HSMODE) {
-                                dev_err(musb->controller, "Babble\n");
+                        dev_err(musb->controller, "Babble\n");
 
-                                if (is_host_active(musb))
-                                        musb_recover_from_babble(musb);
-                        }
+                        if (is_host_active(musb))
+                                musb_recover_from_babble(musb);
                 } else {
                         dev_dbg(musb->controller, "BUS RESET as %s\n",
                                 usb_otg_state_string(musb->xceiv->otg->state));