linux-kernel - [PATCHv4 18/19] usb: otg: Remove OTG specific members from usb

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Date:	Wed,  7 Sep 2011 10:16:11 +0300
From:	Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To:	Felipe Balbi <balbi@...com>, Greg KH <gregkh@...e.de>
Cc:	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	Peter Chen <peter.chen@...escale.com>,
	Lin Tony-B19295 <B19295@...escale.com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Subject: [PATCHv4 18/19] usb: otg: Remove OTG specific members from usb_phy

All the drivers are now converted to use struct usb_otg, so
removing the OTG specific members from struct usb_phy.

Signed-off-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
---
 include/linux/usb/otg.h |   50 ++++------------------------------------------
 1 files changed, 5 insertions(+), 45 deletions(-)

diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h
index 34dea9b..ff47067 100644
--- a/include/linux/usb/otg.h
+++ b/include/linux/usb/otg.h
@@ -89,15 +89,11 @@ struct usb_phy {
 	const char		*label;
 	unsigned int		 flags;
 
-	u8			default_a;
 	enum usb_phy_state	state;
 	enum usb_phy_events	last_event;
 
 	struct usb_otg		*otg;
 
-	struct usb_bus		*host;
-	struct usb_gadget	*gadget;
-
 	struct usb_phy_io_ops	*io_ops;
 	void __iomem		*io_priv;
 
@@ -112,32 +108,14 @@ struct usb_phy {
 	int	(*init)(struct usb_phy *x);
 	void	(*shutdown)(struct usb_phy *x);
 
-	/* bind/unbind the host controller */
-	int	(*set_host)(struct usb_phy *x,
-				struct usb_bus *host);
-
-	/* bind/unbind the peripheral controller */
-	int	(*set_peripheral)(struct usb_phy *x,
-				struct usb_gadget *gadget);
-
 	/* effective for B devices, ignored for A-peripheral */
 	int	(*set_power)(struct usb_phy *x,
 				unsigned mA);
 
-	/* effective for A-peripheral, ignored for B devices */
-	int	(*set_vbus)(struct usb_phy *x,
-				bool enabled);
-
 	/* for non-OTG B devices: set transceiver into suspend mode */
 	int	(*set_suspend)(struct usb_phy *x,
 				int suspend);
 
-	/* for B devices only:  start session with A-Host */
-	int	(*start_srp)(struct usb_phy *x);
-
-	/* start or continue HNP role switch */
-	int	(*start_hnp)(struct usb_phy *x);
-
 };
 
 
@@ -219,7 +197,7 @@ otg_start_hnp(struct usb_phy *x)
 	if (x->otg && x->otg->start_hnp)
 		return x->otg->start_hnp(x->otg);
 
-	return x->start_hnp(x);
+	return -ENOTSUPP;
 }
 
 /* Context: can sleep */
@@ -229,7 +207,7 @@ otg_set_vbus(struct usb_phy *x, bool enabled)
 	if (x->otg && x->otg->set_vbus)
 		return x->otg->set_vbus(x->otg, enabled);
 
-	return x->set_vbus(x, enabled);
+	return -ENOTSUPP;
 }
 
 /* for HCDs */
@@ -239,7 +217,7 @@ otg_set_host(struct usb_phy *x, struct usb_bus *host)
 	if (x->otg && x->otg->set_host)
 		return x->otg->set_host(x->otg, host);
 
-	return x->set_host(x, host);
+	return -ENOTSUPP;
 }
 
 /* for usb peripheral controller drivers */
@@ -251,7 +229,7 @@ otg_set_peripheral(struct usb_phy *x, struct usb_gadget *periph)
 	if (x->otg && x->otg->set_peripheral)
 		return x->otg->set_peripheral(x->otg, periph);
 
-	return x->set_peripheral(x, periph);
+	return -ENOTSUPP;
 }
 
 static inline int
@@ -278,7 +256,7 @@ otg_start_srp(struct usb_phy *x)
 	if (x->otg && x->otg->start_srp)
 		return x->otg->start_srp(x->otg);
 
-	return x->start_srp(x);
+	return -ENOTSUPP;
 }
 
 /* notifiers */
@@ -297,22 +275,4 @@ usb_unregister_notifier(struct usb_phy *x, struct notifier_block *nb)
 /* for OTG controller drivers (and maybe other stuff) */
 extern int usb_bus_start_enum(struct usb_bus *bus, unsigned port_num);
 
-/* Temporary aliases for transceiver functions */
-#define otg_set_transceiver(x) usb_set_transceiver(x)
-#define otg_get_transceiver() usb_get_transceiver()
-#define otg_put_transceiver(x) usb_put_transceiver(x)
-
-#define otg_io_read(x, a) usb_phy_io_read(x, a)
-#define otg_io_write(x, a, b) usb_phy_io_write(x, a, b)
-
-#define otg_init(x) usb_phy_init(x)
-#define otg_shutdown(x) usb_phy_shutdown(x)
-#define otg_set_power(x, a) usb_phy_set_power(x, a)
-#define otg_set_suspend(x, a) usb_phy_set_suspend(x, a)
-
-#define otg_register_notifier(x, a) usb_register_notifier(x, a)
-#define otg_unregister_notifier(x, a) usb_unregiser_notifier(x, a)
-
-#define otg_io_access_ops usb_phy_io_ops
-
 #endif /* __LINUX_USB_OTG_H */
-- 
1.7.4.1

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