usb: otg: ab8500: Start using struct usb_otg

Use struct usb_otg members with OTG specific functions instead
of usb_phy members.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/otg/ab8500-usb.c b/drivers/usb/otg/ab8500-usb.c
index b46a5fe..e6371ff 100644 (file)
--- a/drivers/usb/otg/ab8500-usb.c
+++ b/drivers/usb/otg/ab8500-usb.c
@@ -68,7 +68,7 @@ enum ab8500_usb_link_status {
 };
 
 struct ab8500_usb {
-       struct usb_phy otg;
+       struct usb_phy phy;
        struct device *dev;
        int irq_num_id_rise;
        int irq_num_id_fall;
@@ -82,9 +82,9 @@ struct ab8500_usb {
        int rev;
 };
 
-static inline struct ab8500_usb *xceiv_to_ab(struct usb_phy *x)
+static inline struct ab8500_usb *phy_to_ab(struct usb_phy *x)
 {
-       return container_of(x, struct ab8500_usb, otg);
+       return container_of(x, struct ab8500_usb, phy);
 }
 
 static void ab8500_usb_wd_workaround(struct ab8500_usb *ab)
@@ -169,8 +169,8 @@ static int ab8500_usb_link_status_update(struct ab8500_usb *ab)
                /* TODO: Disable regulators. */
                ab8500_usb_host_phy_dis(ab);
                ab8500_usb_peri_phy_dis(ab);
-               ab->otg.state = OTG_STATE_B_IDLE;
-               ab->otg.default_a = false;
+               ab->phy.state = OTG_STATE_B_IDLE;
+               ab->phy.otg->default_a = false;
                ab->vbus_draw = 0;
                event = USB_EVENT_NONE;
                break;
@@ -181,22 +181,22 @@ static int ab8500_usb_link_status_update(struct ab8500_usb *ab)
        case USB_LINK_HOST_CHG_NM:
        case USB_LINK_HOST_CHG_HS:
        case USB_LINK_HOST_CHG_HS_CHIRP:
-               if (ab->otg.gadget) {
+               if (ab->phy.otg->gadget) {
                        /* TODO: Enable regulators. */
                        ab8500_usb_peri_phy_en(ab);
-                       v = ab->otg.gadget;
+                       v = ab->phy.otg->gadget;
                }
                event = USB_EVENT_VBUS;
                break;
 
        case USB_LINK_HM_IDGND:
-               if (ab->otg.host) {
+               if (ab->phy.otg->host) {
                        /* TODO: Enable regulators. */
                        ab8500_usb_host_phy_en(ab);
-                       v = ab->otg.host;
+                       v = ab->phy.otg->host;
                }
-               ab->otg.state = OTG_STATE_A_IDLE;
-               ab->otg.default_a = true;
+               ab->phy.state = OTG_STATE_A_IDLE;
+               ab->phy.otg->default_a = true;
                event = USB_EVENT_ID;
                break;
 
@@ -212,7 +212,7 @@ static int ab8500_usb_link_status_update(struct ab8500_usb *ab)
                break;
        }
 
-       atomic_notifier_call_chain(&ab->otg.notifier, event, v);
+       atomic_notifier_call_chain(&ab->phy.notifier, event, v);
 
        return 0;
 }
@@ -262,27 +262,27 @@ static void ab8500_usb_phy_disable_work(struct work_struct *work)
        struct ab8500_usb *ab = container_of(work, struct ab8500_usb,
                                                phy_dis_work);
 
-       if (!ab->otg.host)
+       if (!ab->phy.otg->host)
                ab8500_usb_host_phy_dis(ab);
 
-       if (!ab->otg.gadget)
+       if (!ab->phy.otg->gadget)
                ab8500_usb_peri_phy_dis(ab);
 }
 
-static int ab8500_usb_set_power(struct usb_phy *otg, unsigned mA)
+static int ab8500_usb_set_power(struct usb_phy *phy, unsigned mA)
 {
        struct ab8500_usb *ab;
 
-       if (!otg)
+       if (!phy)
                return -ENODEV;
 
-       ab = xceiv_to_ab(otg);
+       ab = phy_to_ab(phy);
 
        ab->vbus_draw = mA;
 
        if (mA)
-               atomic_notifier_call_chain(&ab->otg.notifier,
-                               USB_EVENT_ENUMERATED, ab->otg.gadget);
+               atomic_notifier_call_chain(&ab->phy.notifier,
+                               USB_EVENT_ENUMERATED, ab->phy.otg->gadget);
        return 0;
 }
 
@@ -296,15 +296,15 @@ static int ab8500_usb_set_suspend(struct usb_phy *x, int suspend)
        return 0;
 }
 
-static int ab8500_usb_set_peripheral(struct usb_phy *otg,
-               struct usb_gadget *gadget)
+static int ab8500_usb_set_peripheral(struct usb_otg *otg,
+                                       struct usb_gadget *gadget)
 {
        struct ab8500_usb *ab;
 
        if (!otg)
                return -ENODEV;
 
-       ab = xceiv_to_ab(otg);
+       ab = phy_to_ab(otg->phy);
 
        /* Some drivers call this function in atomic context.
         * Do not update ab8500 registers directly till this
@@ -313,11 +313,11 @@ static int ab8500_usb_set_peripheral(struct usb_phy *otg,
 
        if (!gadget) {
                /* TODO: Disable regulators. */
-               ab->otg.gadget = NULL;
+               otg->gadget = NULL;
                schedule_work(&ab->phy_dis_work);
        } else {
-               ab->otg.gadget = gadget;
-               ab->otg.state = OTG_STATE_B_IDLE;
+               otg->gadget = gadget;
+               otg->phy->state = OTG_STATE_B_IDLE;
 
                /* Phy will not be enabled if cable is already
                 * plugged-in. Schedule to enable phy.
@@ -329,15 +329,14 @@ static int ab8500_usb_set_peripheral(struct usb_phy *otg,
        return 0;
 }
 
-static int ab8500_usb_set_host(struct usb_phy *otg,
-                                       struct usb_bus *host)
+static int ab8500_usb_set_host(struct usb_otg *otg, struct usb_bus *host)
 {
        struct ab8500_usb *ab;
 
        if (!otg)
                return -ENODEV;
 
-       ab = xceiv_to_ab(otg);
+       ab = phy_to_ab(otg->phy);
 
        /* Some drivers call this function in atomic context.
         * Do not update ab8500 registers directly till this
@@ -346,10 +345,10 @@ static int ab8500_usb_set_host(struct usb_phy *otg,
 
        if (!host) {
                /* TODO: Disable regulators. */
-               ab->otg.host = NULL;
+               otg->host = NULL;
                schedule_work(&ab->phy_dis_work);
        } else {
-               ab->otg.host = host;
+               otg->host = host;
                /* Phy will not be enabled if cable is already
                 * plugged-in. Schedule to enable phy.
                 * Use same delay to avoid any race condition.
@@ -472,6 +471,7 @@ static int ab8500_usb_v2_res_setup(struct platform_device *pdev,
 static int __devinit ab8500_usb_probe(struct platform_device *pdev)
 {
        struct ab8500_usb       *ab;
+       struct usb_otg          *otg;
        int err;
        int rev;
 
@@ -488,19 +488,28 @@ static int __devinit ab8500_usb_probe(struct platform_device *pdev)
        if (!ab)
                return -ENOMEM;
 
+       otg = kzalloc(sizeof *otg, GFP_KERNEL);
+       if (!ab->phy.otg) {
+               kfree(ab);
+               return -ENOMEM;
+       }
+
        ab->dev                 = &pdev->dev;
        ab->rev                 = rev;
-       ab->otg.dev             = ab->dev;
-       ab->otg.label           = "ab8500";
-       ab->otg.state           = OTG_STATE_UNDEFINED;
-       ab->otg.set_host        = ab8500_usb_set_host;
-       ab->otg.set_peripheral  = ab8500_usb_set_peripheral;
-       ab->otg.set_suspend     = ab8500_usb_set_suspend;
-       ab->otg.set_power       = ab8500_usb_set_power;
+       ab->phy.dev             = ab->dev;
+       ab->phy.otg             = otg;
+       ab->phy.label           = "ab8500";
+       ab->phy.set_suspend     = ab8500_usb_set_suspend;
+       ab->phy.set_power       = ab8500_usb_set_power;
+       ab->phy.state           = OTG_STATE_UNDEFINED;
+
+       otg->phy                = &ab->phy;
+       otg->set_host           = ab8500_usb_set_host;
+       otg->set_peripheral     = ab8500_usb_set_peripheral;
 
        platform_set_drvdata(pdev, ab);
 
-       ATOMIC_INIT_NOTIFIER_HEAD(&ab->otg.notifier);
+       ATOMIC_INIT_NOTIFIER_HEAD(&ab->phy.notifier);
 
        /* v1: Wait for link status to become stable.
         * all: Updates form set_host and set_peripheral as they are atomic.
@@ -520,7 +529,7 @@ static int __devinit ab8500_usb_probe(struct platform_device *pdev)
        if (err < 0)
                goto fail0;
 
-       err = otg_set_transceiver(&ab->otg);
+       err = usb_set_transceiver(&ab->phy);
        if (err) {
                dev_err(&pdev->dev, "Can't register transceiver\n");
                goto fail1;
@@ -532,6 +541,7 @@ static int __devinit ab8500_usb_probe(struct platform_device *pdev)
 fail1:
        ab8500_usb_irq_free(ab);
 fail0:
+       kfree(otg);
        kfree(ab);
        return err;
 }
@@ -546,13 +556,14 @@ static int __devexit ab8500_usb_remove(struct platform_device *pdev)
 
        cancel_work_sync(&ab->phy_dis_work);
 
-       otg_set_transceiver(NULL);
+       usb_set_transceiver(NULL);
 
        ab8500_usb_host_phy_dis(ab);
        ab8500_usb_peri_phy_dis(ab);
 
        platform_set_drvdata(pdev, NULL);
 
+       kfree(ab->phy.otg);
        kfree(ab);
 
        return 0;