target/linux/layerscape/patches-5.4/820-usb-0001-MLK-11340-26-usb-phy-add-notify-suspend-and-resume-c.patch

   1 From 7306c576fd8463f915192e68b7d0b93a24d43c9e Mon Sep 17 00:00:00 2001
   2 From: Peter Chen <peter.chen@freescale.com>
   3 Date: Mon, 16 Sep 2013 16:31:24 +0800
   4 Subject: [PATCH] MLK-11340-26 usb: phy: add notify suspend and resume callback
   5
   6 They are used to notify PHY that the controller enters suspend
   7 or finishes resume.
   8
   9 Signed-off-by: Peter Chen <peter.chen@freescale.com>
  10 ---
  11  include/linux/usb/phy.h | 24 ++++++++++++++++++++++++
  12  1 file changed, 24 insertions(+)
  13
  14 --- a/include/linux/usb/phy.h
  15 +++ b/include/linux/usb/phy.h
  16 @@ -155,6 +155,12 @@ struct usb_phy {
  17          * manually detect the charger type.
  18          */
  19         enum usb_charger_type (*charger_detect)(struct usb_phy *x);
  20 +
  21 +       int     (*notify_suspend)(struct usb_phy *x,
  22 +                       enum usb_device_speed speed);
  23 +       int     (*notify_resume)(struct usb_phy *x,
  24 +                       enum usb_device_speed speed);
  25 +
  26  };
  27
  28  /* for board-specific init logic */
  29 @@ -333,6 +339,24 @@ usb_phy_notify_disconnect(struct usb_phy
  30         else
  31                 return 0;
  32  }
  33 +
  34 +static inline int usb_phy_notify_suspend
  35 +       (struct usb_phy *x, enum usb_device_speed speed)
  36 +{
  37 +       if (x && x->notify_suspend)
  38 +               return x->notify_suspend(x, speed);
  39 +       else
  40 +               return 0;
  41 +}
  42 +
  43 +static inline int usb_phy_notify_resume
  44 +       (struct usb_phy *x, enum usb_device_speed speed)
  45 +{
  46 +       if (x && x->notify_resume)
  47 +               return x->notify_resume(x, speed);
  48 +       else
  49 +               return 0;
  50 +}
  51
  52  /* notifiers */
  53  static inline int