]> git.karo-electronics.de Git - karo-tx-linux.git/commitdiff
usb: phy: change phy notify connect/disconnect API
authorPeter Chen <peter.chen@freescale.com>
Fri, 9 Nov 2012 01:44:44 +0000 (09:44 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 16 Nov 2012 01:44:51 +0000 (17:44 -0800)
The old parameter "port" is useless for phy notify, as one usb
phy is only for one usb port. New parameter "speed" stands for
the device's speed which is on the port, this "speed" parameter
is needed at some platforms which will do some phy operations
according to device's speed.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Tested-by: Mike Thompson <mpthompson@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/core/hub.c
drivers/usb/otg/mxs-phy.c
include/linux/usb/phy.h

index 8391538d688b0837d2fcbd90949e30a671acd8e3..a815fd2cc5e729287fe24b8a4b9bb4fc21082d6b 100644 (file)
@@ -4039,7 +4039,7 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
                goto fail;
 
        if (hcd->phy && !hdev->parent)
-               usb_phy_notify_connect(hcd->phy, port1);
+               usb_phy_notify_connect(hcd->phy, udev->speed);
 
        /*
         * Some superspeed devices have finished the link training process
@@ -4238,7 +4238,7 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1,
        if (udev) {
                if (hcd->phy && !hdev->parent &&
                                !(portstatus & USB_PORT_STAT_CONNECTION))
-                       usb_phy_notify_disconnect(hcd->phy, port1);
+                       usb_phy_notify_disconnect(hcd->phy, udev->speed);
                usb_disconnect(&hub->ports[port1 - 1]->child);
        }
        clear_bit(port1, hub->change_bits);
index 5b09f3339ded3abd55d401b6363486b99b193bf8..9a3caeecc508eb10325f370e2051493eb5edee72 100644 (file)
@@ -76,22 +76,28 @@ static void mxs_phy_shutdown(struct usb_phy *phy)
        clk_disable_unprepare(mxs_phy->clk);
 }
 
-static int mxs_phy_on_connect(struct usb_phy *phy, int port)
+static int mxs_phy_on_connect(struct usb_phy *phy,
+               enum usb_device_speed speed)
 {
-       dev_dbg(phy->dev, "Connect on port %d\n", port);
+       dev_dbg(phy->dev, "%s speed device has connected\n",
+               (speed == USB_SPEED_HIGH) ? "high" : "non-high");
 
-       writel_relaxed(BM_USBPHY_CTRL_ENHOSTDISCONDETECT,
-                       phy->io_priv + HW_USBPHY_CTRL_SET);
+       if (speed == USB_SPEED_HIGH)
+               writel_relaxed(BM_USBPHY_CTRL_ENHOSTDISCONDETECT,
+                               phy->io_priv + HW_USBPHY_CTRL_SET);
 
        return 0;
 }
 
-static int mxs_phy_on_disconnect(struct usb_phy *phy, int port)
+static int mxs_phy_on_disconnect(struct usb_phy *phy,
+               enum usb_device_speed speed)
 {
-       dev_dbg(phy->dev, "Disconnect on port %d\n", port);
+       dev_dbg(phy->dev, "%s speed device has disconnected\n",
+               (speed == USB_SPEED_HIGH) ? "high" : "non-high");
 
-       writel_relaxed(BM_USBPHY_CTRL_ENHOSTDISCONDETECT,
-                       phy->io_priv + HW_USBPHY_CTRL_CLR);
+       if (speed == USB_SPEED_HIGH)
+               writel_relaxed(BM_USBPHY_CTRL_ENHOSTDISCONDETECT,
+                               phy->io_priv + HW_USBPHY_CTRL_CLR);
 
        return 0;
 }
index 06b5bae35b29f3d43ca8965a33d9bae413ca506a..a29ae1eb9346c96e13abe34f41fde83137fd5f4f 100644 (file)
@@ -10,6 +10,7 @@
 #define __LINUX_USB_PHY_H
 
 #include <linux/notifier.h>
+#include <linux/usb.h>
 
 enum usb_phy_events {
        USB_EVENT_NONE,         /* no events or cable disconnected */
@@ -99,8 +100,10 @@ struct usb_phy {
                                int suspend);
 
        /* notify phy connect status change */
-       int     (*notify_connect)(struct usb_phy *x, int port);
-       int     (*notify_disconnect)(struct usb_phy *x, int port);
+       int     (*notify_connect)(struct usb_phy *x,
+                       enum usb_device_speed speed);
+       int     (*notify_disconnect)(struct usb_phy *x,
+                       enum usb_device_speed speed);
 };
 
 
@@ -189,19 +192,19 @@ usb_phy_set_suspend(struct usb_phy *x, int suspend)
 }
 
 static inline int
-usb_phy_notify_connect(struct usb_phy *x, int port)
+usb_phy_notify_connect(struct usb_phy *x, enum usb_device_speed speed)
 {
        if (x->notify_connect)
-               return x->notify_connect(x, port);
+               return x->notify_connect(x, speed);
        else
                return 0;
 }
 
 static inline int
-usb_phy_notify_disconnect(struct usb_phy *x, int port)
+usb_phy_notify_disconnect(struct usb_phy *x, enum usb_device_speed speed)
 {
        if (x->notify_disconnect)
-               return x->notify_disconnect(x, port);
+               return x->notify_disconnect(x, speed);
        else
                return 0;
 }