linux-kernel - [PATCH 2/2] USB: core: rename usb_driver_claim

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Message-Id: <20210318155406.22399-2-johan@kernel.org>
Date:   Thu, 18 Mar 2021 16:54:06 +0100
From:   Johan Hovold <johan@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        Johan Hovold <johan@...nel.org>
Subject: [PATCH 2/2] USB: core: rename usb_driver_claim_interface() data parameter

It's been almost twenty years since the interface "private data" pointer
was removed in favour of using the driver-data pointer of struct device.

Let's rename the driver-data parameter of usb_driver_claim_interface()
so that it better reflects how it's used.

Signed-off-by: Johan Hovold <johan@...nel.org>
---
 drivers/usb/core/driver.c | 6 +++---
 include/linux/usb.h       | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index a1013d9da08d..072968c40ade 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -519,7 +519,7 @@ static int usb_unbind_interface(struct device *dev)
  * @driver: the driver to be bound
  * @iface: the interface to which it will be bound; must be in the
  *	usb device's active configuration
- * @priv: driver data associated with that interface
+ * @data: driver data associated with that interface
  *
  * This is used by usb device drivers that need to claim more than one
  * interface on a device when probing (audio and acm are current examples).
@@ -533,7 +533,7 @@ static int usb_unbind_interface(struct device *dev)
  * Return: 0 on success.
  */
 int usb_driver_claim_interface(struct usb_driver *driver,
-				struct usb_interface *iface, void *priv)
+				struct usb_interface *iface, void *data)
 {
 	struct device *dev;
 	int retval = 0;
@@ -550,7 +550,7 @@ int usb_driver_claim_interface(struct usb_driver *driver,
 		return -ENODEV;
 
 	dev->driver = &driver->drvwrap.driver;
-	usb_set_intfdata(iface, priv);
+	usb_set_intfdata(iface, data);
 	iface->needs_binding = 0;
 
 	iface->condition = USB_INTERFACE_BOUND;
diff --git a/include/linux/usb.h b/include/linux/usb.h
index d6a41841b93e..08c672e7ece2 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -841,7 +841,7 @@ extern int usb_free_streams(struct usb_interface *interface,
 
 /* used these for multi-interface device registration */
 extern int usb_driver_claim_interface(struct usb_driver *driver,
-			struct usb_interface *iface, void *priv);
+			struct usb_interface *iface, void *data);
 
 /**
  * usb_interface_claimed - returns true iff an interface is claimed
-- 
2.26.2