diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/musb-new/musb_host.c | 4 | ||||
| -rw-r--r-- | drivers/usb/musb-new/musb_uboot.c | 2 | ||||
| -rw-r--r-- | drivers/usb/musb-new/usb-compat.h | 70 |
3 files changed, 75 insertions, 1 deletions
diff --git a/drivers/usb/musb-new/musb_host.c b/drivers/usb/musb-new/musb_host.c index 437309ceb44..40b9c66af89 100644 --- a/drivers/usb/musb-new/musb_host.c +++ b/drivers/usb/musb-new/musb_host.c @@ -2067,7 +2067,11 @@ int musb_urb_enqueue( /* precompute addressing for external hub/tt ports */ if (musb->is_multipoint) { +#ifndef __UBOOT__ struct usb_device *parent = urb->dev->parent; +#else + struct usb_device *parent = usb_dev_get_parent(urb->dev); +#endif #ifndef __UBOOT__ if (parent != hcd->self.root_hub) { diff --git a/drivers/usb/musb-new/musb_uboot.c b/drivers/usb/musb-new/musb_uboot.c index 70e87c9f0df..a96e8d2b748 100644 --- a/drivers/usb/musb-new/musb_uboot.c +++ b/drivers/usb/musb-new/musb_uboot.c @@ -97,7 +97,7 @@ int submit_control_msg(struct usb_device *dev, unsigned long pipe, buffer, len, setup, 0); /* Fix speed for non hub-attached devices */ - if (!dev->parent) + if (!usb_dev_get_parent(dev)) dev->speed = host_speed; return submit_urb(&hcd, &urb); diff --git a/drivers/usb/musb-new/usb-compat.h b/drivers/usb/musb-new/usb-compat.h index 50bad378c5d..53fe4ff3c45 100644 --- a/drivers/usb/musb-new/usb-compat.h +++ b/drivers/usb/musb-new/usb-compat.h @@ -1,6 +1,7 @@ #ifndef __USB_COMPAT_H__ #define __USB_COMPAT_H__ +#include <dm.h> #include "usb.h" struct usb_hcd { @@ -66,6 +67,68 @@ static inline int usb_hcd_unmap_urb_for_dma(struct usb_hcd *hcd, return 0; } +#ifdef CONFIG_DM_USB +static inline u16 find_tt(struct usb_device *udev) +{ + struct udevice *parent; + struct usb_device *uparent, *ttdev; + + /* + * When called from usb-uclass.c: usb_scan_device() udev->dev points + * to the parent udevice, not the actual udevice belonging to the + * udev as the device is not instantiated yet. So when searching + * for the first usb-2 parent start with udev->dev not + * udev->dev->parent . + */ + ttdev = udev; + parent = udev->dev; + uparent = dev_get_parentdata(parent); + + while (uparent->speed != USB_SPEED_HIGH) { + struct udevice *dev = parent; + + if (device_get_uclass_id(dev->parent) != UCLASS_USB_HUB) { + printf("musb: Error cannot find high speed parent of usb-1 device\n"); + return 0; + } + + ttdev = dev_get_parentdata(dev); + parent = dev->parent; + uparent = dev_get_parentdata(parent); + } + + return (uparent->devnum << 8) | (ttdev->portnr - 1); +} + +static inline struct usb_device *usb_dev_get_parent(struct usb_device *udev) +{ + struct udevice *parent = udev->dev->parent; + + /* + * When called from usb-uclass.c: usb_scan_device() udev->dev points + * to the parent udevice, not the actual udevice belonging to the + * udev as the device is not instantiated yet. + * + * If dev is an usb-bus, then we are called from usb_scan_device() for + * an usb-device plugged directly into the root port, return NULL. + */ + if (device_get_uclass_id(udev->dev) == UCLASS_USB) + return NULL; + + /* + * If these 2 are not the same we are being called from + * usb_scan_device() and udev itself is the parent. + */ + if (dev_get_parentdata(udev->dev) != udev) + return udev; + + /* We are being called normally, use the parent pointer */ + if (device_get_uclass_id(parent) == UCLASS_USB_HUB) + return dev_get_parentdata(parent); + + return NULL; +} +#else static inline u16 find_tt(struct usb_device *dev) { u8 chid; @@ -86,4 +149,11 @@ static inline u16 find_tt(struct usb_device *dev) return (hub << 8) | chid; } + +static inline struct usb_device *usb_dev_get_parent(struct usb_device *dev) +{ + return dev->parent; +} +#endif + #endif /* __USB_COMPAT_H__ */ |