From: Nathan Connell <w14185@motorola.com>
Date: Thu, 18 Nov 2010 17:12:37 +0000 (-0600)
Subject: ARM: tegra: usb_phy: Disable HS disconnect detect for USB2 port
X-Git-Tag: firefly_0821_release~9833^2~109^2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5915336cb101f02a524c7d3fa1aac656b71bee31;p=firefly-linux-kernel-4.4.55.git

ARM: tegra: usb_phy: Disable HS disconnect detect for USB2 port

Signed-off-by: Nathan Connell <w14185@motorola.com>
Change-Id: Ia0c24128af0f1def38d0902b15a274582c302ce2
---

diff --git a/arch/arm/mach-tegra/usb_phy.c b/arch/arm/mach-tegra/usb_phy.c
index ce9d4275ef77..dffabc3ec063 100644
--- a/arch/arm/mach-tegra/usb_phy.c
+++ b/arch/arm/mach-tegra/usb_phy.c
@@ -114,6 +114,7 @@
 
 #define UTMIP_TX_CFG0		0x820
 #define   UTMIP_FS_PREABMLE_J		(1 << 19)
+#define   UTMIP_HS_DISCON_DISABLE	(1 << 8)
 
 #define UTMIP_MISC_CFG0		0x824
 #define   UTMIP_SUSPEND_EXIT_ON_EDGE	(1 << 22)
@@ -346,6 +347,8 @@ static void utmi_phy_power_on(struct tegra_usb_phy *phy)
 
 	val = readl(base + UTMIP_TX_CFG0);
 	val &= ~UTMIP_FS_PREABMLE_J;
+	if (phy->instance == 2)
+		val |= UTMIP_HS_DISCON_DISABLE;
 	writel(val, base + UTMIP_TX_CFG0);
 
 	val = readl(base + UTMIP_HSRX_CFG0);