diff options
author | Chunfeng Yun <chunfeng.yun@mediatek.com> | 2021-03-08 05:52:07 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-10 11:37:17 +0300 |
commit | 365038f24b3e9d2b7c9e499f03f432040e28a35c (patch) | |
tree | 9abac8b05c90357611bc2e96404e5c50bc190ed8 /include | |
parent | f18b6edbce448e34eaf00767b19476cdb5030ec6 (diff) | |
download | linux-365038f24b3e9d2b7c9e499f03f432040e28a35c.tar.xz |
usb: common: move function's kerneldoc next to its definition
Following a general rule, add the kerneldoc for a function next
to it's definition, but not next to its declaration in a header
file.
Suggested-by: Alan Stern <stern@rowland.harvard.edu>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/c4d2e010ae2bf67cdfa0b55e6d1deb9339d9d3dc.1615170625.git.chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/usb/ch9.h | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h index 74debc824645..1cffa34740b0 100644 --- a/include/linux/usb/ch9.h +++ b/include/linux/usb/ch9.h @@ -45,76 +45,15 @@ enum usb_ssp_rate { USB_SSP_GEN_2x2, }; -/** - * usb_ep_type_string() - Returns human readable-name of the endpoint type. - * @ep_type: The endpoint type to return human-readable name for. If it's not - * any of the types: USB_ENDPOINT_XFER_{CONTROL, ISOC, BULK, INT}, - * usually got by usb_endpoint_type(), the string 'unknown' will be returned. - */ extern const char *usb_ep_type_string(int ep_type); - -/** - * usb_speed_string() - Returns human readable-name of the speed. - * @speed: The speed to return human-readable name for. If it's not - * any of the speeds defined in usb_device_speed enum, string for - * USB_SPEED_UNKNOWN will be returned. - */ extern const char *usb_speed_string(enum usb_device_speed speed); - -/** - * usb_get_maximum_speed - Get maximum requested speed for a given USB - * controller. - * @dev: Pointer to the given USB controller device - * - * The function gets the maximum speed string from property "maximum-speed", - * and returns the corresponding enum usb_device_speed. - */ extern enum usb_device_speed usb_get_maximum_speed(struct device *dev); - -/** - * usb_get_maximum_ssp_rate - Get the signaling rate generation and lane count - * of a SuperSpeed Plus capable device. - * @dev: Pointer to the given USB controller device - * - * If the string from "maximum-speed" property is super-speed-plus-genXxY where - * 'X' is the generation number and 'Y' is the number of lanes, then this - * function returns the corresponding enum usb_ssp_rate. - */ extern enum usb_ssp_rate usb_get_maximum_ssp_rate(struct device *dev); - -/** - * usb_state_string - Returns human readable name for the state. - * @state: The state to return a human-readable name for. If it's not - * any of the states devices in usb_device_state_string enum, - * the string UNKNOWN will be returned. - */ extern const char *usb_state_string(enum usb_device_state state); - unsigned int usb_decode_interval(const struct usb_endpoint_descriptor *epd, enum usb_device_speed speed); #ifdef CONFIG_TRACING -/** - * usb_decode_ctrl - Returns human readable representation of control request. - * @str: buffer to return a human-readable representation of control request. - * This buffer should have about 200 bytes. - * @size: size of str buffer. - * @bRequestType: matches the USB bmRequestType field - * @bRequest: matches the USB bRequest field - * @wValue: matches the USB wValue field (CPU byte order) - * @wIndex: matches the USB wIndex field (CPU byte order) - * @wLength: matches the USB wLength field (CPU byte order) - * - * Function returns decoded, formatted and human-readable description of - * control request packet. - * - * The usage scenario for this is for tracepoints, so function as a return - * use the same value as in parameters. This approach allows to use this - * function in TP_printk - * - * Important: wValue, wIndex, wLength parameters before invoking this function - * should be processed by le16_to_cpu macro. - */ extern const char *usb_decode_ctrl(char *str, size_t size, __u8 bRequestType, __u8 bRequest, __u16 wValue, __u16 wIndex, __u16 wLength); |