netdev - [PATCH v4 1/6] USB: core: export usb_cache

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Message-Id: <20221126162211.93322-2-mailhol.vincent@wanadoo.fr>
Date:   Sun, 27 Nov 2022 01:22:06 +0900
From:   Vincent Mailhol <mailhol.vincent@...adoo.fr>
To:     linux-can@...r.kernel.org
Cc:     Marc Kleine-Budde <mkl@...gutronix.de>,
        linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        netdev@...r.kernel.org, linux-usb@...r.kernel.org,
        Saeed Mahameed <saeed@...nel.org>,
        Andrew Lunn <andrew@...n.ch>, Jiri Pirko <jiri@...dia.com>,
        Lukas Magel <lukas.magel@...teo.net>,
        Vincent Mailhol <mailhol.vincent@...adoo.fr>
Subject: [PATCH v4 1/6] USB: core: export usb_cache_string()

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

Signed-off-by: Vincent Mailhol <mailhol.vincent@...adoo.fr>
Acked-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
For reference, acked by Greg here:
https://lore.kernel.org/linux-usb/Y3zyCz5HbGdsxmRT@kroah.com/
---
 drivers/usb/core/message.c | 1 +
 drivers/usb/core/usb.h     | 1 -
 include/linux/usb.h        | 1 +
 3 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index 4d59d927ae3e..127fac1af676 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -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)
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index 82538daac8b8..0eac7d4285d1 100644
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h
@@ -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);
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 9ff1ad4dfad1..d2d2f41052c0 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -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);
-- 
2.37.4