1 files changed, 97 insertions, 41 deletions

diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index 1762354fe79..d369bf1f393 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -37,7 +37,8 @@
 #include <linux/err.h>
 #include <linux/delay.h>
 #include <linux/usb/musb-omap.h>
-#include <linux/usb/omap_control_usb.h>
+#include <linux/phy/omap_control_phy.h>
+#include <linux/of_platform.h>
 
 #include "musb_core.h"
 #include "omap2430.h"
@@ -51,7 +52,7 @@ struct omap2430_glue {
 };
 #define glue_to_musb(g)		platform_get_drvdata(g->musb)
 
-struct omap2430_glue		*_glue;
+static struct omap2430_glue	*_glue;
 
 static struct timer_list musb_idle_timer;
 
@@ -87,7 +88,7 @@ static void musb_do_idle(unsigned long _musb)
 			musb->port1_status &= ~(USB_PORT_STAT_SUSPEND
 						| MUSB_PORT_STAT_RESUME);
 			musb->port1_status |= USB_PORT_STAT_C_SUSPEND << 16;
-			usb_hcd_poll_rh_status(musb_to_hcd(musb));
+			usb_hcd_poll_rh_status(musb->hcd);
 			/* NOTE: it might really be A_WAIT_BCON ... */
 			musb->xceiv->state = OTG_STATE_A_HOST;
 		}
@@ -117,7 +118,7 @@ static void omap2430_musb_try_idle(struct musb *musb, unsigned long timeout)
 	if (musb->is_active || ((musb->a_wait_bcon == 0)
 			&& (musb->xceiv->state == OTG_STATE_A_WAIT_BCON))) {
 		dev_dbg(musb->controller, "%s active, deleting timer\n",
-			otg_state_string(musb->xceiv->state));
+			usb_otg_state_string(musb->xceiv->state));
 		del_timer(&musb_idle_timer);
 		last_timer = jiffies;
 		return;
@@ -134,7 +135,7 @@ static void omap2430_musb_try_idle(struct musb *musb, unsigned long timeout)
 	last_timer = timeout;
 
 	dev_dbg(musb->controller, "%s inactive, for idle timer for %lu ms\n",
-		otg_state_string(musb->xceiv->state),
+		usb_otg_state_string(musb->xceiv->state),
 		(unsigned long)jiffies_to_msecs(timeout - jiffies));
 	mod_timer(&musb_idle_timer, timeout);
 }
@@ -174,8 +175,7 @@ static void omap2430_musb_set_vbus(struct musb *musb, int is_on)
 				}
 			}
 
-			if (otg->set_vbus)
-				otg_set_vbus(otg, 1);
+			otg_set_vbus(otg, 1);
 		} else {
 			musb->is_active = 1;
 			otg->default_a = 1;
@@ -200,7 +200,7 @@ static void omap2430_musb_set_vbus(struct musb *musb, int is_on)
 
 	dev_dbg(musb->controller, "VBUS %s, devctl %02x "
 		/* otg %3x conf %08x prcm %08x */ "\n",
-		otg_state_string(musb->xceiv->state),
+		usb_otg_state_string(musb->xceiv->state),
 		musb_readb(musb->mregs, MUSB_DEVCTL));
 }
 
@@ -237,9 +237,13 @@ void omap_musb_mailbox(enum omap_musb_vbus_id_status status)
 {
 	struct omap2430_glue	*glue = _glue;
 
-	if (glue && glue_to_musb(glue)) {
-		glue->status = status;
-	} else {
+	if (!glue) {
+		pr_err("%s: musb core is not yet initialized\n", __func__);
+		return;
+	}
+	glue->status = status;
+
+	if (!glue_to_musb(glue)) {
 		pr_err("%s: musb core is not yet ready\n", __func__);
 		return;
 	}
@@ -252,7 +256,7 @@ static void omap_musb_set_mailbox(struct omap2430_glue *glue)
 {
 	struct musb *musb = glue_to_musb(glue);
 	struct device *dev = musb->controller;
-	struct musb_hdrc_platform_data *pdata = dev->platform_data;
+	struct musb_hdrc_platform_data *pdata = dev_get_platdata(dev);
 	struct omap_musb_board_data *data = pdata->board_data;
 	struct usb_otg *otg = musb->xceiv->otg;
 
@@ -288,20 +292,23 @@ static void omap_musb_set_mailbox(struct omap2430_glue *glue)
 
 		musb->xceiv->last_event = USB_EVENT_NONE;
 		if (musb->gadget_driver) {
+			omap2430_musb_set_vbus(musb, 0);
 			pm_runtime_mark_last_busy(dev);
 			pm_runtime_put_autosuspend(dev);
 		}
 
-		if (data->interface_type == MUSB_INTERFACE_UTMI) {
-			if (musb->xceiv->otg->set_vbus)
-				otg_set_vbus(musb->xceiv->otg, 0);
-		}
+		if (data->interface_type == MUSB_INTERFACE_UTMI)
+			otg_set_vbus(musb->xceiv->otg, 0);
+
 		omap_control_usb_set_mode(glue->control_otghs,
 			USB_MODE_DISCONNECT);
 		break;
 	default:
 		dev_dbg(dev, "ID float\n");
 	}
+
+	atomic_notifier_call_chain(&musb->xceiv->notifier,
+			musb->xceiv->last_event, NULL);
 }
 
 
@@ -309,7 +316,13 @@ static void omap_musb_mailbox_work(struct work_struct *mailbox_work)
 {
 	struct omap2430_glue *glue = container_of(mailbox_work,
 				struct omap2430_glue, omap_musb_mailbox_work);
+	struct musb *musb = glue_to_musb(glue);
+	struct device *dev = musb->controller;
+
+	pm_runtime_get_sync(dev);
 	omap_musb_set_mailbox(glue);
+	pm_runtime_mark_last_busy(dev);
+	pm_runtime_put_autosuspend(dev);
 }
 
 static irqreturn_t omap2430_musb_interrupt(int irq, void *__hci)
@@ -338,24 +351,43 @@ static int omap2430_musb_init(struct musb *musb)
 	int status = 0;
 	struct device *dev = musb->controller;
 	struct omap2430_glue *glue = dev_get_drvdata(dev->parent);
-	struct musb_hdrc_platform_data *plat = dev->platform_data;
+	struct musb_hdrc_platform_data *plat = dev_get_platdata(dev);
 	struct omap_musb_board_data *data = plat->board_data;
 
 	/* We require some kind of external transceiver, hooked
 	 * up through ULPI.  TWL4030-family PMICs include one,
 	 * which needs a driver, drivers aren't always needed.
 	 */
-	if (dev->parent->of_node)
+	if (dev->parent->of_node) {
+		musb->phy = devm_phy_get(dev->parent, "usb2-phy");
+
+		/* We can't totally remove musb->xceiv as of now because
+		 * musb core uses xceiv.state and xceiv.otg. Once we have
+		 * a separate state machine to handle otg, these can be moved
+		 * out of xceiv and then we can start using the generic PHY
+		 * framework
+		 */
 		musb->xceiv = devm_usb_get_phy_by_phandle(dev->parent,
 		    "usb-phy", 0);
-	else
+	} else {
 		musb->xceiv = devm_usb_get_phy_dev(dev, 0);
+		musb->phy = devm_phy_get(dev, "usb");
+	}
+
+	if (IS_ERR(musb->xceiv)) {
+		status = PTR_ERR(musb->xceiv);
+
+		if (status == -ENXIO)
+			return status;
 
-	if (IS_ERR_OR_NULL(musb->xceiv)) {
 		pr_err("HS USB OTG: no transceiver configured\n");
 		return -EPROBE_DEFER;
 	}
 
+	if (IS_ERR(musb->phy)) {
+		pr_err("HS USB OTG: no PHY configured\n");
+		return PTR_ERR(musb->phy);
+	}
 	musb->isr = omap2430_musb_interrupt;
 
 	status = pm_runtime_get_sync(dev);
@@ -389,6 +421,9 @@ static int omap2430_musb_init(struct musb *musb)
 	if (glue->status != OMAP_MUSB_UNKNOWN)
 		omap_musb_set_mailbox(glue);
 
+	phy_init(musb->phy);
+	phy_power_on(musb->phy);
+
 	pm_runtime_put_noidle(musb->controller);
 	return 0;
 
@@ -402,7 +437,7 @@ static void omap2430_musb_enable(struct musb *musb)
 	unsigned long timeout = jiffies + msecs_to_jiffies(1000);
 	struct device *dev = musb->controller;
 	struct omap2430_glue *glue = dev_get_drvdata(dev->parent);
-	struct musb_hdrc_platform_data *pdata = dev->platform_data;
+	struct musb_hdrc_platform_data *pdata = dev_get_platdata(dev);
 	struct omap_musb_board_data *data = pdata->board_data;
 
 	switch (glue->status) {
@@ -450,6 +485,8 @@ static int omap2430_musb_exit(struct musb *musb)
 	del_timer_sync(&musb_idle_timer);
 
 	omap2430_low_level_exit(musb);
+	phy_power_off(musb->phy);
+	phy_exit(musb->phy);
 
 	return 0;
 }
@@ -471,7 +508,8 @@ static u64 omap2430_dmamask = DMA_BIT_MASK(32);
 
 static int omap2430_probe(struct platform_device *pdev)
 {
-	struct musb_hdrc_platform_data	*pdata = pdev->dev.platform_data;
+	struct resource			musb_resources[3];
+	struct musb_hdrc_platform_data	*pdata = dev_get_platdata(&pdev->dev);
 	struct omap_musb_board_data	*data;
 	struct platform_device		*musb;
 	struct omap2430_glue		*glue;
@@ -498,12 +536,16 @@ static int omap2430_probe(struct platform_device *pdev)
 	glue->dev			= &pdev->dev;
 	glue->musb			= musb;
 	glue->status			= OMAP_MUSB_UNKNOWN;
+	glue->control_otghs = ERR_PTR(-ENODEV);
 
 	if (np) {
+		struct device_node *control_node;
+		struct platform_device *control_pdev;
+
 		pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
 		if (!pdata) {
 			dev_err(&pdev->dev,
-				"failed to allocate musb platfrom data\n");
+				"failed to allocate musb platform data\n");
 			goto err2;
 		}
 
@@ -522,27 +564,26 @@ static int omap2430_probe(struct platform_device *pdev)
 		}
 
 		of_property_read_u32(np, "mode", (u32 *)&pdata->mode);
-		of_property_read_u32(np, "interface_type",
+		of_property_read_u32(np, "interface-type",
 						(u32 *)&data->interface_type);
-		of_property_read_u32(np, "num_eps", (u32 *)&config->num_eps);
-		of_property_read_u32(np, "ram_bits", (u32 *)&config->ram_bits);
+		of_property_read_u32(np, "num-eps", (u32 *)&config->num_eps);
+		of_property_read_u32(np, "ram-bits", (u32 *)&config->ram_bits);
 		of_property_read_u32(np, "power", (u32 *)&pdata->power);
 		config->multipoint = of_property_read_bool(np, "multipoint");
-		pdata->has_mailbox = of_property_read_bool(np,
-		    "ti,has-mailbox");
 
 		pdata->board_data	= data;
 		pdata->config		= config;
-	}
 
-	if (pdata->has_mailbox) {
-		glue->control_otghs = omap_get_control_dev();
-		if (IS_ERR(glue->control_otghs)) {
-			dev_vdbg(&pdev->dev, "Failed to get control device\n");
-			return -ENODEV;
+		control_node = of_parse_phandle(np, "ctrl-module", 0);
+		if (control_node) {
+			control_pdev = of_find_device_by_node(control_node);
+			if (!control_pdev) {
+				dev_err(&pdev->dev, "Failed to get control device\n");
+				ret = -EINVAL;
+				goto err2;
+			}
+			glue->control_otghs = &control_pdev->dev;
 		}
-	} else {
-		glue->control_otghs = ERR_PTR(-ENODEV);
 	}
 	pdata->platform_ops		= &omap2430_ops;
 
@@ -556,8 +597,26 @@ static int omap2430_probe(struct platform_device *pdev)
 
 	INIT_WORK(&glue->omap_musb_mailbox_work, omap_musb_mailbox_work);
 
-	ret = platform_device_add_resources(musb, pdev->resource,
-			pdev->num_resources);
+	memset(musb_resources, 0x00, sizeof(*musb_resources) *
+			ARRAY_SIZE(musb_resources));
+
+	musb_resources[0].name = pdev->resource[0].name;
+	musb_resources[0].start = pdev->resource[0].start;
+	musb_resources[0].end = pdev->resource[0].end;
+	musb_resources[0].flags = pdev->resource[0].flags;
+
+	musb_resources[1].name = pdev->resource[1].name;
+	musb_resources[1].start = pdev->resource[1].start;
+	musb_resources[1].end = pdev->resource[1].end;
+	musb_resources[1].flags = pdev->resource[1].flags;
+
+	musb_resources[2].name = pdev->resource[2].name;
+	musb_resources[2].start = pdev->resource[2].start;
+	musb_resources[2].end = pdev->resource[2].end;
+	musb_resources[2].flags = pdev->resource[2].flags;
+
+	ret = platform_device_add_resources(musb, musb_resources,
+			ARRAY_SIZE(musb_resources));
 	if (ret) {
 		dev_err(&pdev->dev, "failed to add resources\n");
 		goto err2;
@@ -608,7 +667,6 @@ static int omap2430_runtime_suspend(struct device *dev)
 				OTG_INTERFSEL);
 
 		omap2430_low_level_exit(musb);
-		usb_phy_set_suspend(musb->xceiv, 1);
 	}
 
 	return 0;
@@ -623,8 +681,6 @@ static int omap2430_runtime_resume(struct device *dev)
 		omap2430_low_level_init(musb);
 		musb_writel(musb->mregs, OTG_INTERFSEL,
 				musb->context.otg_interfsel);
-
-		usb_phy_set_suspend(musb->xceiv, 0);
 	}
 
 	return 0;