linux-kernel - [PATCH] ARM: OMAP4: USB_EHCI_HCD needs USB_PHY and NOP_USB

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Message-ID: <CANsc=4WDM0q=RwaN2ZrcNqgJ=fDsgGHcBDcufnDek4EVWcnGfw@mail.gmail.com>
Date:	Sat, 25 May 2013 00:43:01 -0400
From:	Adrien Vergé <adrienverge@...il.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Alan Stern <stern@...land.harvard.edu>,
	Florian Fainelli <florian@...nwrt.org>,
	Arnd Bergmann <arnd@...db.de>,
	Manjunath Goudar <manjunath.goudar@...aro.org>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	Yannick Brosseau <yannick.brosseau@...il.com>
Subject: [PATCH] ARM: OMAP4: USB_EHCI_HCD needs USB_PHY and NOP_USB_XCEIV

On OMAP4 platforms, EHCI HCD needs the physical layer signalling
activated, along with the NOP USB Transceiver driver. Otherwise, the
kernel boots without registering any USB device.

This patch applies to Linux 3.10-rc2.

Signed-off-by: Adrien Vergé <adrienverge@...il.com>
---
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index de94f26..47959d7 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -44,6 +44,8 @@ endif # USB_XHCI_HCD
 config USB_EHCI_HCD
 	tristate "EHCI HCD (USB 2.0) support"
 	depends on USB_ARCH_HAS_EHCI
+	select USB_PHY if ARCH_OMAP4
+	select NOP_USB_XCEIV if ARCH_OMAP4
 	---help---
 	  The Enhanced Host Controller Interface (EHCI) is standard for USB 2.0
 	  "high speed" (480 Mbit/sec, 60 Mbyte/sec) host controller hardware.
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