target/linux/brcm2708/patches-3.10/0040-Make-sure-we-wait-for-the-reset-to-finish.patch


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From c7502584abba164c1cda1378c86e95cd879e1e1a Mon Sep 17 00:00:00 2001
From: Gordon Hollingworth <gordon@holliweb.co.uk>
Date: Sun, 4 Nov 2012 15:55:01 +0000
Subject: [PATCH 040/174] Make sure we wait for the reset to finish

---
 drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c | 2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c
+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c
@@ -232,6 +232,8 @@ exit_handler_routine:
 		if (mphi_int_count >= 60)
 		{
 			DWC_WRITE_REG32(c_mphi_regs.ctrl, ((1<<31) + (1<<16)));
+			while(!(DWC_READ_REG32(c_mphi_regs.ctrl) & (1 << 17)))
+				;
 			DWC_WRITE_REG32(c_mphi_regs.ctrl, (1<<31));
 			mphi_int_count = 0;
 		}