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usb: gadget: add super speed support

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This patch is to add usb gadget super speed support in common
driver, including BOS descriptor and select the super speed
descriptor from function driver.

Reviewed-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Tested-by: faqiang.zhu <faqiang.zhu@nxp.com>
Signed-off-by: Li Jun <jun.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Li Jun 2021-01-25 21:43:54 +08:00 • committed by Marek Vasut
parent 42a594de14
commit 8745b9ebcc
3 changed files with 70 additions and 25 deletions
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4
include/linux/usb/composite.h
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@ -146,6 +146,7 @@ struct usb_function {
struct usb_gadget_strings **strings;
struct usb_descriptor_header **descriptors;
struct usb_descriptor_header **hs_descriptors;
struct usb_descriptor_header **ss_descriptors;
struct usb_configuration *config;
@ -279,6 +280,7 @@ struct usb_configuration {
u8 next_interface_id;
unsigned highspeed:1;
unsigned fullspeed:1;
unsigned superspeed:1;
struct usb_function *interface[MAX_CONFIG_INTERFACES];
};
@ -292,6 +294,7 @@ int usb_add_config(struct usb_composite_dev *,
* identifiers.
* @strings: tables of strings, keyed by identifiers assigned during bind()
* and language IDs provided in control requests
* @max_speed: Highest speed the driver supports.
* @bind: (REQUIRED) Used to allocate resources that are shared across the
* whole device, such as string IDs, and add its configurations using
* @usb_add_config(). This may fail by returning a negative errno
@ -319,6 +322,7 @@ struct usb_composite_driver {
const char *name;
const struct usb_device_descriptor *dev;
struct usb_gadget_strings **strings;
enum usb_device_speed max_speed;
/* REVISIT: bind() functions can be marked __init, which
* makes trouble for section mismatch analysis. See if