diff options
author | Felipe Balbi <balbi@ti.com> | 2015-02-26 14:43:57 -0600 |
---|---|---|
committer | Felipe Balbi <balbi@ti.com> | 2015-03-10 15:33:30 -0500 |
commit | 34754dec8ab83799a0a37f2a7ada8ce1e53d174b (patch) | |
tree | 9f3a42853dd0ffe54043ccfdc8b3cb5085849651 /drivers/usb/musb | |
parent | 0244336f812583299291e18b69a75be5674e819f (diff) | |
download | op-kernel-dev-34754dec8ab83799a0a37f2a7ada8ce1e53d174b.zip op-kernel-dev-34754dec8ab83799a0a37f2a7ada8ce1e53d174b.tar.gz |
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>
Diffstat (limited to 'drivers/usb/musb')
-rw-r--r-- | drivers/usb/musb/musb_core.c | 22 |
1 files changed, 6 insertions, 16 deletions
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 3916e73..a48b5a9 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)); |