linux-kernel - [PATCH 2/4] USB: OTG: Make otg_get_transceiver() and otg_set

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Date:	Sat, 19 Jan 2008 16:37:23 +0200
From:	Felipe Balbi <me@...ipebalbi.com>
To:	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Cc:	david-b@...bell.net, tony@...mide.com,
	Felipe Balbi <me@...ipebalbi.com>
Subject: [PATCH 2/4] USB: OTG: Make otg_get_transceiver() and otg_set_transceiver() generic

From: Tony Lidgren <tony@...mide.com>

Move otg_get_transceiver() and otg_set_transceiver() from omap specific code
to common otg.c so other upcoming drivers can share them.

Signed-off-by: Tony Lindgren <tony@...mide.com>
Signed-off-by: Felipe Balbi <me@...ipebalbi.com>
---
 arch/arm/plat-omap/usb.c |   32 --------------------------------
 drivers/usb/core/otg.c   |   20 ++++++++++++++++++++
 2 files changed, 20 insertions(+), 32 deletions(-)

diff --git a/drivers/usb/core/otg.c b/drivers/usb/core/otg.c
index 11967c0..531afa6 100644
--- a/drivers/usb/core/otg.c
+++ b/drivers/usb/core/otg.c
@@ -14,9 +14,29 @@
 #include <linux/byteorder/generic.h>
 #include <linux/gfp.h>
 #include <linux/usb.h>
+#include <linux/usb/otg.h>
 
 #include "otg_whitelist.h"
 
+static struct otg_transceiver *xceiv;
+
+int otg_set_transceiver(struct otg_transceiver *x)
+{
+	if (xceiv && x)
+		return -EBUSY;
+	xceiv = x;
+	return 0;
+}
+EXPORT_SYMBOL(otg_set_transceiver);
+
+struct otg_transceiver *otg_get_transceiver(void)
+{
+	if (xceiv)
+		get_device(xceiv->dev);
+	return xceiv;
+}
+EXPORT_SYMBOL(otg_get_transceiver);
+
 #ifdef	CONFIG_USB_OTG_WHITELIST
 
 /*
diff --git a/arch/arm/plat-omap/usb.c b/arch/arm/plat-omap/usb.c
index a5aedf9..5cd39fa 100644
--- a/arch/arm/plat-omap/usb.c
+++ b/arch/arm/plat-omap/usb.c
@@ -76,38 +76,6 @@
 
 /*-------------------------------------------------------------------------*/
 
-#ifdef	CONFIG_ARCH_OMAP_OTG
-
-static struct otg_transceiver *xceiv;
-
-/**
- * otg_get_transceiver - find the (single) OTG transceiver driver
- *
- * Returns the transceiver driver, after getting a refcount to it; or
- * null if there is no such transceiver.  The caller is responsible for
- * releasing that count.
- */
-struct otg_transceiver *otg_get_transceiver(void)
-{
-	if (xceiv)
-		get_device(xceiv->dev);
-	return xceiv;
-}
-EXPORT_SYMBOL(otg_get_transceiver);
-
-int otg_set_transceiver(struct otg_transceiver *x)
-{
-	if (xceiv && x)
-		return -EBUSY;
-	xceiv = x;
-	return 0;
-}
-EXPORT_SYMBOL(otg_set_transceiver);
-
-#endif
-
-/*-------------------------------------------------------------------------*/
-
 #if defined(CONFIG_ARCH_OMAP_OTG) || defined(CONFIG_ARCH_OMAP15XX)
 
 static u32 __init omap_usb0_init(unsigned nwires, unsigned is_device)
-- 
1.5.4.rc3.24.gb53139

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