usb: factor out state_string() on otg drivers (3dacdf11) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/usb/otg/isp1301_omap.c

+3 −23

Original line number	Original line	Diff line number	Diff line
	@@ -234,29 +234,9 @@ isp1301_clear_bits(struct isp1301 *isp, u8 reg, u8 bits)

	/-------------------------------------------------------------------------/		/-------------------------------------------------------------------------/

	static const char *state_string(enum usb_otg_state state)
	{
	switch (state) {
	case OTG_STATE_A_IDLE: return "a_idle";
	case OTG_STATE_A_WAIT_VRISE: return "a_wait_vrise";
	case OTG_STATE_A_WAIT_BCON: return "a_wait_bcon";
	case OTG_STATE_A_HOST: return "a_host";
	case OTG_STATE_A_SUSPEND: return "a_suspend";
	case OTG_STATE_A_PERIPHERAL: return "a_peripheral";
	case OTG_STATE_A_WAIT_VFALL: return "a_wait_vfall";
	case OTG_STATE_A_VBUS_ERR: return "a_vbus_err";
	case OTG_STATE_B_IDLE: return "b_idle";
	case OTG_STATE_B_SRP_INIT: return "b_srp_init";
	case OTG_STATE_B_PERIPHERAL: return "b_peripheral";
	case OTG_STATE_B_WAIT_ACON: return "b_wait_acon";
	case OTG_STATE_B_HOST: return "b_host";
	default: return "UNDEFINED";
	}
	}

	static inline const char state_name(struct isp1301 isp)		static inline const char state_name(struct isp1301 isp)
	{		{
	return state_string(isp->otg.state);		return otg_state_string(isp->otg.state);
	}		}

	/-------------------------------------------------------------------------/		/-------------------------------------------------------------------------/
	@@ -501,7 +481,7 @@ static void check_state(struct isp1301 isp, const char tag)
	if (isp->otg.state == state && !extra)		if (isp->otg.state == state && !extra)
	return;		return;
	pr_debug("otg: %s FSM %s/%02x, %s, %06x\n", tag,		pr_debug("otg: %s FSM %s/%02x, %s, %06x\n", tag,
	state_string(state), fsm, state_name(isp),		otg_state_string(state), fsm, state_name(isp),
	omap_readl(OTG_CTRL));		omap_readl(OTG_CTRL));
	}		}

	@@ -1095,7 +1075,7 @@ static void isp_update_otg(struct isp1301 *isp, u8 stat)

	if (state != isp->otg.state)		if (state != isp->otg.state)
	pr_debug(" isp, %s -> %s\n",		pr_debug(" isp, %s -> %s\n",
	state_string(state), state_name(isp));		otg_state_string(state), state_name(isp));

	#ifdef CONFIG_USB_OTG		#ifdef CONFIG_USB_OTG
	/* update the OTG controller state to match the isp1301; may		/* update the OTG controller state to match the isp1301; may

drivers/usb/otg/langwell_otg.c

+3 −37

Original line number	Original line	Diff line number	Diff line
	@@ -82,40 +82,6 @@ static struct pci_driver otg_pci_driver = {
	.resume = langwell_otg_resume,		.resume = langwell_otg_resume,
	};		};

	static const char *state_string(enum usb_otg_state state)
	{
	switch (state) {
	case OTG_STATE_A_IDLE:
	return "a_idle";
	case OTG_STATE_A_WAIT_VRISE:
	return "a_wait_vrise";
	case OTG_STATE_A_WAIT_BCON:
	return "a_wait_bcon";
	case OTG_STATE_A_HOST:
	return "a_host";
	case OTG_STATE_A_SUSPEND:
	return "a_suspend";
	case OTG_STATE_A_PERIPHERAL:
	return "a_peripheral";
	case OTG_STATE_A_WAIT_VFALL:
	return "a_wait_vfall";
	case OTG_STATE_A_VBUS_ERR:
	return "a_vbus_err";
	case OTG_STATE_B_IDLE:
	return "b_idle";
	case OTG_STATE_B_SRP_INIT:
	return "b_srp_init";
	case OTG_STATE_B_PERIPHERAL:
	return "b_peripheral";
	case OTG_STATE_B_WAIT_ACON:
	return "b_wait_acon";
	case OTG_STATE_B_HOST:
	return "b_host";
	default:
	return "UNDEFINED";
	}
	}

	/* HSM timers */		/* HSM timers */
	static inline struct langwell_otg_timer *otg_timer_initializer		static inline struct langwell_otg_timer *otg_timer_initializer
	(void (*function)(unsigned long), unsigned long expires, unsigned long data)		(void (*function)(unsigned long), unsigned long expires, unsigned long data)
	@@ -968,7 +934,7 @@ static void langwell_otg_work(struct work_struct *work)
	pdev = to_pci_dev(lnw->dev);		pdev = to_pci_dev(lnw->dev);

	dev_dbg(lnw->dev, "%s: old state = %s\n", __func__,		dev_dbg(lnw->dev, "%s: old state = %s\n", __func__,
	state_string(iotg->otg.state));		otg_state_string(iotg->otg.state));

	switch (iotg->otg.state) {		switch (iotg->otg.state) {
	case OTG_STATE_UNDEFINED:		case OTG_STATE_UNDEFINED:
	@@ -1703,7 +1669,7 @@ static void langwell_otg_work(struct work_struct *work)
	}		}

	dev_dbg(lnw->dev, "%s: new state = %s\n", __func__,		dev_dbg(lnw->dev, "%s: new state = %s\n", __func__,
	state_string(iotg->otg.state));		otg_state_string(iotg->otg.state));
	}		}

	static ssize_t		static ssize_t
	@@ -1789,7 +1755,7 @@ show_hsm(struct device _dev, struct device_attribute attr, char *buf)
	"b_bus_req = \t%d\n"		"b_bus_req = \t%d\n"
	"b_bus_suspend_tmout = \t%d\n"		"b_bus_suspend_tmout = \t%d\n"
	"b_bus_suspend_vld = \t%d\n",		"b_bus_suspend_vld = \t%d\n",
	state_string(iotg->otg.state),		otg_state_string(iotg->otg.state),
	iotg->hsm.a_bus_resume,		iotg->hsm.a_bus_resume,
	iotg->hsm.a_bus_suspend,		iotg->hsm.a_bus_suspend,
	iotg->hsm.a_conn,		iotg->hsm.a_conn,

drivers/usb/otg/otg.c

+35 −0

Original line number	Original line	Diff line number	Diff line
	@@ -64,3 +64,38 @@ int otg_set_transceiver(struct otg_transceiver *x)
	return 0;		return 0;
	}		}
	EXPORT_SYMBOL(otg_set_transceiver);		EXPORT_SYMBOL(otg_set_transceiver);

			const char *otg_state_string(enum usb_otg_state state)
			{
			switch (state) {
			case OTG_STATE_A_IDLE:
			return "a_idle";
			case OTG_STATE_A_WAIT_VRISE:
			return "a_wait_vrise";
			case OTG_STATE_A_WAIT_BCON:
			return "a_wait_bcon";
			case OTG_STATE_A_HOST:
			return "a_host";
			case OTG_STATE_A_SUSPEND:
			return "a_suspend";
			case OTG_STATE_A_PERIPHERAL:
			return "a_peripheral";
			case OTG_STATE_A_WAIT_VFALL:
			return "a_wait_vfall";
			case OTG_STATE_A_VBUS_ERR:
			return "a_vbus_err";
			case OTG_STATE_B_IDLE:
			return "b_idle";
			case OTG_STATE_B_SRP_INIT:
			return "b_srp_init";
			case OTG_STATE_B_PERIPHERAL:
			return "b_peripheral";
			case OTG_STATE_B_WAIT_ACON:
			return "b_wait_acon";
			case OTG_STATE_B_HOST:
			return "b_host";
			default:
			return "UNDEFINED";
			}
			}
			EXPORT_SYMBOL(otg_state_string);

include/linux/usb/otg.h

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -246,5 +246,6 @@ otg_unregister_notifier(struct otg_transceiver otg, struct notifier_block nb)

	/* for OTG controller drivers (and maybe other stuff) */		/* for OTG controller drivers (and maybe other stuff) */
	extern int usb_bus_start_enum(struct usb_bus *bus, unsigned port_num);		extern int usb_bus_start_enum(struct usb_bus *bus, unsigned port_num);
			extern const char *otg_state_string(enum usb_otg_state state);

	#endif /* __LINUX_USB_OTG_H */		#endif /* __LINUX_USB_OTG_H */