linux-kernel - [PATCH 1/2] USB: ehci-omap: Don't select any PHY driver

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Date:	Mon, 15 Apr 2013 14:50:34 +0300
From:	Roger Quadros <rogerq@...com>
To:	<gregkh@...uxfoundation.org>
CC:	<stern@...land.harvard.edu>, <balbi@...com>,
	<holler@...oftware.de>, <linux-usb@...r.kernel.org>,
	<linux-omap@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	Roger Quadros <rogerq@...com>
Subject: [PATCH 1/2] USB: ehci-omap: Don't select any PHY driver

Don't select NOP_USB_XCEIV. Instead, board config
must select USB_PHY and the appropriate PHY driver.

Also add a hint in Kconfig so that users enabling
this driver manually enable the right PHY drivers as well.

Gets rid of the below warnings when USB_EHCI_HCD_OMAP
is enabled.

warning: (USB_EHCI_HCD_OMAP) selects NOP_USB_XCEIV which has unmet direct dependencies (USB_SUPPORT && USB_PHY)
warning: (USB_EHCI_HCD_OMAP) selects NOP_USB_XCEIV which has unmet direct dependencies (USB_SUPPORT && USB_PHY)

CC: Alan Stern <stern@...land.harvard.edu>
Signed-off-by: Roger Quadros <rogerq@...com>
---
 drivers/usb/host/Kconfig |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index c0be25c..c558472 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -150,11 +150,13 @@ config USB_EHCI_MXC
 config USB_EHCI_HCD_OMAP
 	tristate "EHCI support for OMAP3 and later chips"
 	depends on ARCH_OMAP
-	select NOP_USB_XCEIV
 	default y
 	---help---
 	  Enables support for the on-chip EHCI controller on
 	  OMAP3 and later chips.
+	  If your system uses a PHY on the USB port, you will need to
+	  enable USB_PHY and the appropriate PHY driver as well. Most
+	  boards need the NOP_USB_XCEIV PHY driver.
 
 config USB_EHCI_HCD_ORION
 	tristate  "Support for Marvell EBU on-chip EHCI USB controller"
-- 
1.7.4.1

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