diff options
Diffstat (limited to 'target/linux/brcm2708/patches-3.18/0094-dwc_otg-put-some-barriers-back-where-they-should-be-.patch')
| -rwxr-xr-x | target/linux/brcm2708/patches-3.18/0094-dwc_otg-put-some-barriers-back-where-they-should-be-.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-3.18/0094-dwc_otg-put-some-barriers-back-where-they-should-be-.patch b/target/linux/brcm2708/patches-3.18/0094-dwc_otg-put-some-barriers-back-where-they-should-be-.patch new file mode 100755 index 0000000000..e570915813 --- /dev/null +++ b/target/linux/brcm2708/patches-3.18/0094-dwc_otg-put-some-barriers-back-where-they-should-be-.patch @@ -0,0 +1,45 @@ +From 1e6d3936f120fd4420662850da0c89eb5c3d9f03 Mon Sep 17 00:00:00 2001 +From: P33M <P33M@github.com> +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(+) + +diff --git a/drivers/usb/host/dwc_otg/dwc_otg_fiq_fsm.c b/drivers/usb/host/dwc_otg/dwc_otg_fiq_fsm.c +index 0d2b04e..276ad0c7 100644 +--- 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 *state, int num_channels) + + } + state->fiq_done++; ++ mb(); + fiq_fsm_spin_unlock(&state->lock); + } + +@@ -1340,5 +1341,6 @@ void notrace dwc_otg_fiq_nop(struct fiq_state *state) + + } + state->fiq_done++; ++ mb(); + fiq_fsm_spin_unlock(&state->lock); + } +diff --git a/drivers/usb/host/dwc_otg/dwc_otg_hcd.c b/drivers/usb/host/dwc_otg/dwc_otg_hcd.c +index 124ac16..ac70f1d 100644 +--- 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_otg_hcd_t *hcd, dwc_otg_qh_t *qh) + 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; +-- +1.8.3.2 + |