This can be useful outside of the sandbox usb emulation uclass driver. Expose it as a public API with a proper prefix (usb_emul_).
Signed-off-by: Bin Meng <[email protected]> --- drivers/usb/emul/usb-emul-uclass.c | 5 ++--- include/usb.h | 11 +++++++++++ 2 files changed, 13 insertions(+), 3 deletions(-) diff --git a/drivers/usb/emul/usb-emul-uclass.c b/drivers/usb/emul/usb-emul-uclass.c index 1203eb2..359d0da 100644 --- a/drivers/usb/emul/usb-emul-uclass.c +++ b/drivers/usb/emul/usb-emul-uclass.c @@ -52,7 +52,7 @@ static int usb_emul_get_string(struct usb_string *strings, int index, return -EINVAL; } -static struct usb_generic_descriptor **find_descriptor( +struct usb_generic_descriptor **usb_emul_find_descriptor( struct usb_generic_descriptor **ptr, int type, int index) { debug("%s: type=%x, index=%d\n", __func__, type, index); @@ -91,8 +91,7 @@ static int usb_emul_get_descriptor(struct usb_dev_platdata *plat, int value, length); } - ptr = find_descriptor((struct usb_generic_descriptor **)plat->desc_list, - type, index); + ptr = usb_emul_find_descriptor(plat->desc_list, type, index); if (!ptr) { debug("%s: Could not find descriptor type %d, index %d\n", __func__, type, index); diff --git a/include/usb.h b/include/usb.h index 63edddd..3766514 100644 --- a/include/usb.h +++ b/include/usb.h @@ -1056,6 +1056,17 @@ int usb_emul_find(struct udevice *bus, ulong pipe, int port1, int usb_emul_find_for_dev(struct udevice *dev, struct udevice **emulp); /** + * usb_emul_find_descriptor() - Find a USB descriptor of a particular device + * + * @ptr: a pointer to a list of USB descriptor pointers + * @type: type of USB descriptor to find + * @index: if @type is USB_DT_CONFIG, this is the configuration value + * @return a pointer to the USB descriptor found, NULL if not found + */ +struct usb_generic_descriptor **usb_emul_find_descriptor( + struct usb_generic_descriptor **ptr, int type, int index); + +/** * usb_emul_reset() - Reset all emulators ready for use * * Clear out any address information in the emulators and make then ready for -- 2.7.4 _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
