1 files changed, 0 insertions, 126 deletions
diff --git a/target/linux/brcm2708/patches-3.18/0105-dwc_otg-fixup-read-modify-write-in-critical-paths.patch b/target/linux/brcm2708/patches-3.18/0105-dwc_otg-fixup-read-modify-write-in-critical-paths.patch
deleted file mode 100644
index cac525f..0000000
--- a/target/linux/brcm2708/patches-3.18/0105-dwc_otg-fixup-read-modify-write-in-critical-paths.patch
+++ /dev/null
@@ -1,126 +0,0 @@
-From a05cd269cbf2623efe2499459efdd123ee04ab81 Mon Sep 17 00:00:00 2001
-From: P33M <P33M@github.com>
-Date: Wed, 4 Feb 2015 12:16:50 +0000
-Subject: [PATCH 105/114] dwc_otg: fixup read-modify-write in critical paths
-
-Be more careful about read-modify-write on registers that the FIQ
-also touches.
----
- drivers/usb/host/dwc_otg/dwc_otg_hcd.c       | 13 +++++++++---
- drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c  | 30 +++++++++++++++++++++++++---
- drivers/usb/host/dwc_otg/dwc_otg_hcd_queue.c | 22 ++++++++++++++++----
- 3 files changed, 55 insertions(+), 10 deletions(-)
-
---- a/drivers/usb/host/dwc_otg/dwc_otg_hcd.c
-+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd.c
-@@ -2447,9 +2447,16 @@ void dwc_otg_hcd_queue_transactions(dwc_
- 			 */
- 			gintmsk_data_t gintmsk = {.d32 = 0 };
- 			gintmsk.b.nptxfempty = 1;
--			DWC_MODIFY_REG32(&hcd->core_if->
--					 core_global_regs->gintmsk, gintmsk.d32,
--					 0);
-+
-+			if (fiq_enable) {
-+				local_fiq_disable();
-+				fiq_fsm_spin_lock(&hcd->fiq_state->lock);
-+				DWC_MODIFY_REG32(&hcd->core_if->core_global_regs->gintmsk, gintmsk.d32, 0);
-+				fiq_fsm_spin_unlock(&hcd->fiq_state->lock);
-+				local_fiq_enable();
-+			} else {
-+				DWC_MODIFY_REG32(&hcd->core_if->core_global_regs->gintmsk, gintmsk.d32, 0);
-+			}
- 		}
- 	}
- }
---- a/drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c
-+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c
-@@ -165,7 +165,15 @@ int32_t dwc_otg_hcd_handle_intr(dwc_otg_
- 
- 			gintmsk_data_t gintmsk = { .b.portintr = 1};
- 			retval |= dwc_otg_hcd_handle_port_intr(dwc_otg_hcd);
--			DWC_MODIFY_REG32(&core_if->core_global_regs->gintmsk, 0, gintmsk.d32);
-+			if (fiq_enable) {
-+				local_fiq_disable();
-+				fiq_fsm_spin_lock(&dwc_otg_hcd->fiq_state->lock);
-+				DWC_MODIFY_REG32(&dwc_otg_hcd->core_if->core_global_regs->gintmsk, 0, gintmsk.d32);
-+				fiq_fsm_spin_unlock(&dwc_otg_hcd->fiq_state->lock);
-+				local_fiq_enable();
-+			} else {
-+				DWC_MODIFY_REG32(&dwc_otg_hcd->core_if->core_global_regs->gintmsk, 0, gintmsk.d32);
-+			}
- 		}
- 		if (gintsts.b.hcintr) {
- 			retval |= dwc_otg_hcd_handle_hc_intr(dwc_otg_hcd);
-@@ -1069,7 +1077,15 @@ static void halt_channel(dwc_otg_hcd_t *
- 			 * be processed.
- 			 */
- 			gintmsk.b.nptxfempty = 1;
--			DWC_MODIFY_REG32(&global_regs->gintmsk, 0, gintmsk.d32);
-+			if (fiq_enable) {
-+				local_fiq_disable();
-+				fiq_fsm_spin_lock(&hcd->fiq_state->lock);
-+				DWC_MODIFY_REG32(&global_regs->gintmsk, 0, gintmsk.d32);
-+				fiq_fsm_spin_unlock(&hcd->fiq_state->lock);
-+				local_fiq_enable();
-+			} else {
-+				DWC_MODIFY_REG32(&global_regs->gintmsk, 0, gintmsk.d32);
-+			}
- 		} else {
- 			/*
- 			 * Move the QH from the periodic queued schedule to
-@@ -1086,7 +1102,15 @@ static void halt_channel(dwc_otg_hcd_t *
- 			 * processed.
- 			 */
- 			gintmsk.b.ptxfempty = 1;
--			DWC_MODIFY_REG32(&global_regs->gintmsk, 0, gintmsk.d32);
-+			if (fiq_enable) {
-+				local_fiq_disable();
-+				fiq_fsm_spin_lock(&hcd->fiq_state->lock);
-+				DWC_MODIFY_REG32(&global_regs->gintmsk, 0, gintmsk.d32);
-+				fiq_fsm_spin_unlock(&hcd->fiq_state->lock);
-+				local_fiq_enable();
-+			} else {
-+				DWC_MODIFY_REG32(&global_regs->gintmsk, 0, gintmsk.d32);
-+			}
- 		}
- 	}
- }
---- a/drivers/usb/host/dwc_otg/dwc_otg_hcd_queue.c
-+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_queue.c
-@@ -683,8 +683,15 @@ int dwc_otg_hcd_qh_add(dwc_otg_hcd_t * h
- 		status = schedule_periodic(hcd, qh);
- 		if ( !hcd->periodic_qh_count ) {
- 			intr_mask.b.sofintr = 1;
--			DWC_MODIFY_REG32(&hcd->core_if->core_global_regs->gintmsk,
--								intr_mask.d32, intr_mask.d32);
-+			if (fiq_enable) {
-+				local_fiq_disable();
-+				fiq_fsm_spin_lock(&hcd->fiq_state->lock);
-+				DWC_MODIFY_REG32(&hcd->core_if->core_global_regs->gintmsk, intr_mask.d32, intr_mask.d32);
-+				fiq_fsm_spin_unlock(&hcd->fiq_state->lock);
-+				local_fiq_enable();
-+			} else {
-+				DWC_MODIFY_REG32(&hcd->core_if->core_global_regs->gintmsk, intr_mask.d32, intr_mask.d32);
-+			}
- 		}
- 		hcd->periodic_qh_count++;
- 	}
-@@ -745,8 +752,15 @@ void dwc_otg_hcd_qh_remove(dwc_otg_hcd_t
- 		hcd->periodic_qh_count--;
- 		if( !hcd->periodic_qh_count && !fiq_fsm_enable ) {
- 			intr_mask.b.sofintr = 1;
--				DWC_MODIFY_REG32(&hcd->core_if->core_global_regs->gintmsk,
--									intr_mask.d32, 0);
-+			if (fiq_enable) {
-+				local_fiq_disable();
-+				fiq_fsm_spin_lock(&hcd->fiq_state->lock);
-+				DWC_MODIFY_REG32(&hcd->core_if->core_global_regs->gintmsk, intr_mask.d32, 0);
-+				fiq_fsm_spin_unlock(&hcd->fiq_state->lock);
-+				local_fiq_enable();
-+			} else {
-+				DWC_MODIFY_REG32(&hcd->core_if->core_global_regs->gintmsk, intr_mask.d32, 0);
-+			}
- 		}
- 	}
- }