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USB: core: export usb_cache_string()

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usb_cache_string() can also be useful for the drivers so export it.

Signed-off-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/all/20221130174658.29282-4-mailhol.vincent@wanadoo.fr
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Vincent Mailhol 2022-12-01 02:46:54 +09:00 committed by Marc Kleine-Budde
parent 594a25e1ff
commit 983055bf83
3 changed files with 2 additions and 1 deletions
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1
drivers/usb/core/message.c
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@ -1037,6 +1037,7 @@ char *usb_cache_string(struct usb_device *udev, int index)
}
return smallbuf;
}
EXPORT_SYMBOL_GPL(usb_cache_string);
/*
* usb_get_device_descriptor - (re)reads the device descriptor (usbcore)

1
drivers/usb/core/usb.h
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@ -47,7 +47,6 @@ extern int usb_get_device_descriptor(struct usb_device *dev,
extern int usb_set_isoch_delay(struct usb_device *dev);
extern int usb_get_bos_descriptor(struct usb_device *dev);
extern void usb_release_bos_descriptor(struct usb_device *dev);
extern char *usb_cache_string(struct usb_device *udev, int index);
extern int usb_set_configuration(struct usb_device *dev, int configuration);
extern int usb_choose_configuration(struct usb_device *udev);
extern int usb_generic_driver_probe(struct usb_device *udev);

1
include/linux/usb.h
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@ -1829,6 +1829,7 @@ static inline int usb_get_ptm_status(struct usb_device *dev, void *data)
extern int usb_string(struct usb_device *dev, int index,
char *buf, size_t size);
extern char *usb_cache_string(struct usb_device *udev, int index);
/* wrappers that also update important state inside usbcore */
extern int usb_clear_halt(struct usb_device *dev, int pipe);