From 1e6d3936f120fd4420662850da0c89eb5c3d9f03 Mon Sep 17 00:00:00 2001 From: P33M Date: Thu, 22 Jan 2015 17:49:23 +0000 Subject: [PATCH 094/114] dwc_otg: put some barriers back where they should be for UP --- drivers/usb/host/dwc_otg/dwc_otg_fiq_fsm.c | 2 ++ drivers/usb/host/dwc_otg/dwc_otg_hcd.c | 1 + 2 files changed, 3 insertions(+) --- a/drivers/usb/host/dwc_otg/dwc_otg_fiq_fsm.c +++ b/drivers/usb/host/dwc_otg/dwc_otg_fiq_fsm.c @@ -1280,6 +1280,7 @@ void notrace dwc_otg_fiq_fsm(struct fiq_ } state->fiq_done++; + mb(); fiq_fsm_spin_unlock(&state->lock); } @@ -1340,5 +1341,6 @@ void notrace dwc_otg_fiq_nop(struct fiq_ } state->fiq_done++; + mb(); fiq_fsm_spin_unlock(&state->lock); } --- a/drivers/usb/host/dwc_otg/dwc_otg_hcd.c +++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd.c @@ -1928,6 +1928,7 @@ int fiq_fsm_queue_split_transaction(dwc_ st->hcchar_copy.b.chen = 1; DWC_WRITE_REG32(&hc_regs->hcchar, st->hcchar_copy.d32); } + mb(); fiq_fsm_spin_unlock(&hcd->fiq_state->lock); local_fiq_enable(); return 0;