diff mbox series

[RFC,1/4] USB: gadget: Rename usb_gadget_probe_driver()

Message ID YjeEwspj0V3JaV1L@rowland.harvard.edu (mailing list archive)
State New, archived
Headers show
Series USB: gadget: Create a bus for gadgets | expand

Commit Message

Alan Stern March 20, 2022, 7:47 p.m. UTC
In preparation for adding a "gadget" bus, this patch renames
usb_gadget_probe_driver() to usb_gadget_register_driver().  The new
name will be more accurate, since gadget drivers will be registered on
the gadget bus and the probing will be done by the driver core, not
the UDC core.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>


 drivers/usb/gadget/composite.c         |    2 +-
 drivers/usb/gadget/legacy/dbgp.c       |    2 +-
 drivers/usb/gadget/legacy/inode.c      |    2 +-
 drivers/usb/gadget/legacy/raw_gadget.c |    4 ++--
 drivers/usb/gadget/udc/core.c          |    4 ++--
 include/linux/usb/gadget.h             |    4 ++--
 6 files changed, 9 insertions(+), 9 deletions(-)

Comments

Jun Li March 22, 2022, 12:57 p.m. UTC | #1
Alan Stern <stern@rowland.harvard.edu> 于2022年3月22日周二 06:57写道:
>
> In preparation for adding a "gadget" bus, this patch renames
> usb_gadget_probe_driver() to usb_gadget_register_driver().  The new
> name will be more accurate, since gadget drivers will be registered on
> the gadget bus and the probing will be done by the driver core, not
> the UDC core.
>
> Signed-off-by: Alan Stern <stern@rowland.harvard.edu>

Missed one rename change:
diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index 1fb837d9271e..4141206bb0ed 100644
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -284,7 +284,7 @@ static ssize_t gadget_dev_desc_UDC_store(struct
config_item *item,
                        goto err;
                }
                gi->composite.gadget_driver.udc_name = name;
-               ret = usb_gadget_probe_driver(&gi->composite.gadget_driver);
+               ret = usb_gadget_register_driver(&gi->composite.gadget_driver);
                if (ret) {
                        gi->composite.gadget_driver.udc_name = NULL;
                        goto err;
Li Jun
>
>
>  drivers/usb/gadget/composite.c         |    2 +-
>  drivers/usb/gadget/legacy/dbgp.c       |    2 +-
>  drivers/usb/gadget/legacy/inode.c      |    2 +-
>  drivers/usb/gadget/legacy/raw_gadget.c |    4 ++--
>  drivers/usb/gadget/udc/core.c          |    4 ++--
>  include/linux/usb/gadget.h             |    4 ++--
>  6 files changed, 9 insertions(+), 9 deletions(-)
>
> Index: usb-devel/drivers/usb/gadget/composite.c
> ===================================================================
> --- usb-devel.orig/drivers/usb/gadget/composite.c
> +++ usb-devel/drivers/usb/gadget/composite.c
> @@ -2500,7 +2500,7 @@ int usb_composite_probe(struct usb_compo
>         gadget_driver->driver.name = driver->name;
>         gadget_driver->max_speed = driver->max_speed;
>
> -       return usb_gadget_probe_driver(gadget_driver);
> +       return usb_gadget_register_driver(gadget_driver);
>  }
>  EXPORT_SYMBOL_GPL(usb_composite_probe);
>
> Index: usb-devel/drivers/usb/gadget/legacy/dbgp.c
> ===================================================================
> --- usb-devel.orig/drivers/usb/gadget/legacy/dbgp.c
> +++ usb-devel/drivers/usb/gadget/legacy/dbgp.c
> @@ -422,7 +422,7 @@ static struct usb_gadget_driver dbgp_dri
>
>  static int __init dbgp_init(void)
>  {
> -       return usb_gadget_probe_driver(&dbgp_driver);
> +       return usb_gadget_register_driver(&dbgp_driver);
>  }
>
>  static void __exit dbgp_exit(void)
> Index: usb-devel/drivers/usb/gadget/legacy/inode.c
> ===================================================================
> --- usb-devel.orig/drivers/usb/gadget/legacy/inode.c
> +++ usb-devel/drivers/usb/gadget/legacy/inode.c
> @@ -1873,7 +1873,7 @@ dev_config (struct file *fd, const char
>         else
>                 gadgetfs_driver.max_speed = USB_SPEED_FULL;
>
> -       value = usb_gadget_probe_driver(&gadgetfs_driver);
> +       value = usb_gadget_register_driver(&gadgetfs_driver);
>         if (value != 0) {
>                 spin_lock_irq(&dev->lock);
>                 goto fail;
> Index: usb-devel/drivers/usb/gadget/legacy/raw_gadget.c
> ===================================================================
> --- usb-devel.orig/drivers/usb/gadget/legacy/raw_gadget.c
> +++ usb-devel/drivers/usb/gadget/legacy/raw_gadget.c
> @@ -510,12 +510,12 @@ static int raw_ioctl_run(struct raw_dev
>         }
>         spin_unlock_irqrestore(&dev->lock, flags);
>
> -       ret = usb_gadget_probe_driver(&dev->driver);
> +       ret = usb_gadget_register_driver(&dev->driver);
>
>         spin_lock_irqsave(&dev->lock, flags);
>         if (ret) {
>                 dev_err(dev->dev,
> -                       "fail, usb_gadget_probe_driver returned %d\n", ret);
> +                       "fail, usb_gadget_register_driver returned %d\n", ret);
>                 dev->state = STATE_DEV_FAILED;
>                 goto out_unlock;
>         }
> Index: usb-devel/drivers/usb/gadget/udc/core.c
> ===================================================================
> --- usb-devel.orig/drivers/usb/gadget/udc/core.c
> +++ usb-devel/drivers/usb/gadget/udc/core.c
> @@ -1523,7 +1523,7 @@ err1:
>         return ret;
>  }
>
> -int usb_gadget_probe_driver(struct usb_gadget_driver *driver)
> +int usb_gadget_register_driver(struct usb_gadget_driver *driver)
>  {
>         struct usb_udc          *udc = NULL;
>         int                     ret = -ENODEV;
> @@ -1568,7 +1568,7 @@ found:
>         mutex_unlock(&udc_lock);
>         return ret;
>  }
> -EXPORT_SYMBOL_GPL(usb_gadget_probe_driver);
> +EXPORT_SYMBOL_GPL(usb_gadget_register_driver);
>
>  int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
>  {
> Index: usb-devel/include/linux/usb/gadget.h
> ===================================================================
> --- usb-devel.orig/include/linux/usb/gadget.h
> +++ usb-devel/include/linux/usb/gadget.h
> @@ -745,7 +745,7 @@ struct usb_gadget_driver {
>   */
>
>  /**
> - * usb_gadget_probe_driver - probe a gadget driver
> + * usb_gadget_register_driver - register a gadget driver
>   * @driver: the driver being registered
>   * Context: can sleep
>   *
> @@ -755,7 +755,7 @@ struct usb_gadget_driver {
>   * registration call returns.  It's expected that the @bind() function will
>   * be in init sections.
>   */
> -int usb_gadget_probe_driver(struct usb_gadget_driver *driver);
> +int usb_gadget_register_driver(struct usb_gadget_driver *driver);
>
>  /**
>   * usb_gadget_unregister_driver - unregister a gadget driver
Alan Stern March 22, 2022, 2:37 p.m. UTC | #2
On Tue, Mar 22, 2022 at 08:57:04PM +0800, Jun Li wrote:
> Alan Stern <stern@rowland.harvard.edu> 于2022年3月22日周二 06:57写道:
> >
> > In preparation for adding a "gadget" bus, this patch renames
> > usb_gadget_probe_driver() to usb_gadget_register_driver().  The new
> > name will be more accurate, since gadget drivers will be registered on
> > the gadget bus and the probing will be done by the driver core, not
> > the UDC core.
> >
> > Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
> 
> Missed one rename change:
> diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
> index 1fb837d9271e..4141206bb0ed 100644
> --- a/drivers/usb/gadget/configfs.c
> +++ b/drivers/usb/gadget/configfs.c
> @@ -284,7 +284,7 @@ static ssize_t gadget_dev_desc_UDC_store(struct
> config_item *item,
>                         goto err;
>                 }
>                 gi->composite.gadget_driver.udc_name = name;
> -               ret = usb_gadget_probe_driver(&gi->composite.gadget_driver);
> +               ret = usb_gadget_register_driver(&gi->composite.gadget_driver);
>                 if (ret) {
>                         gi->composite.gadget_driver.udc_name = NULL;
>                         goto err;
> Li Jun

Ah, yes indeed; how careless of me.  Thanks for pointing this out.

Alan Stern
diff mbox series

Patch

Index: usb-devel/drivers/usb/gadget/composite.c
===================================================================
--- usb-devel.orig/drivers/usb/gadget/composite.c
+++ usb-devel/drivers/usb/gadget/composite.c
@@ -2500,7 +2500,7 @@  int usb_composite_probe(struct usb_compo
 	gadget_driver->driver.name = driver->name;
 	gadget_driver->max_speed = driver->max_speed;
 
-	return usb_gadget_probe_driver(gadget_driver);
+	return usb_gadget_register_driver(gadget_driver);
 }
 EXPORT_SYMBOL_GPL(usb_composite_probe);
 
Index: usb-devel/drivers/usb/gadget/legacy/dbgp.c
===================================================================
--- usb-devel.orig/drivers/usb/gadget/legacy/dbgp.c
+++ usb-devel/drivers/usb/gadget/legacy/dbgp.c
@@ -422,7 +422,7 @@  static struct usb_gadget_driver dbgp_dri
 
 static int __init dbgp_init(void)
 {
-	return usb_gadget_probe_driver(&dbgp_driver);
+	return usb_gadget_register_driver(&dbgp_driver);
 }
 
 static void __exit dbgp_exit(void)
Index: usb-devel/drivers/usb/gadget/legacy/inode.c
===================================================================
--- usb-devel.orig/drivers/usb/gadget/legacy/inode.c
+++ usb-devel/drivers/usb/gadget/legacy/inode.c
@@ -1873,7 +1873,7 @@  dev_config (struct file *fd, const char
 	else
 		gadgetfs_driver.max_speed = USB_SPEED_FULL;
 
-	value = usb_gadget_probe_driver(&gadgetfs_driver);
+	value = usb_gadget_register_driver(&gadgetfs_driver);
 	if (value != 0) {
 		spin_lock_irq(&dev->lock);
 		goto fail;
Index: usb-devel/drivers/usb/gadget/legacy/raw_gadget.c
===================================================================
--- usb-devel.orig/drivers/usb/gadget/legacy/raw_gadget.c
+++ usb-devel/drivers/usb/gadget/legacy/raw_gadget.c
@@ -510,12 +510,12 @@  static int raw_ioctl_run(struct raw_dev
 	}
 	spin_unlock_irqrestore(&dev->lock, flags);
 
-	ret = usb_gadget_probe_driver(&dev->driver);
+	ret = usb_gadget_register_driver(&dev->driver);
 
 	spin_lock_irqsave(&dev->lock, flags);
 	if (ret) {
 		dev_err(dev->dev,
-			"fail, usb_gadget_probe_driver returned %d\n", ret);
+			"fail, usb_gadget_register_driver returned %d\n", ret);
 		dev->state = STATE_DEV_FAILED;
 		goto out_unlock;
 	}
Index: usb-devel/drivers/usb/gadget/udc/core.c
===================================================================
--- usb-devel.orig/drivers/usb/gadget/udc/core.c
+++ usb-devel/drivers/usb/gadget/udc/core.c
@@ -1523,7 +1523,7 @@  err1:
 	return ret;
 }
 
-int usb_gadget_probe_driver(struct usb_gadget_driver *driver)
+int usb_gadget_register_driver(struct usb_gadget_driver *driver)
 {
 	struct usb_udc		*udc = NULL;
 	int			ret = -ENODEV;
@@ -1568,7 +1568,7 @@  found:
 	mutex_unlock(&udc_lock);
 	return ret;
 }
-EXPORT_SYMBOL_GPL(usb_gadget_probe_driver);
+EXPORT_SYMBOL_GPL(usb_gadget_register_driver);
 
 int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
 {
Index: usb-devel/include/linux/usb/gadget.h
===================================================================
--- usb-devel.orig/include/linux/usb/gadget.h
+++ usb-devel/include/linux/usb/gadget.h
@@ -745,7 +745,7 @@  struct usb_gadget_driver {
  */
 
 /**
- * usb_gadget_probe_driver - probe a gadget driver
+ * usb_gadget_register_driver - register a gadget driver
  * @driver: the driver being registered
  * Context: can sleep
  *
@@ -755,7 +755,7 @@  struct usb_gadget_driver {
  * registration call returns.  It's expected that the @bind() function will
  * be in init sections.
  */
-int usb_gadget_probe_driver(struct usb_gadget_driver *driver);
+int usb_gadget_register_driver(struct usb_gadget_driver *driver);
 
 /**
  * usb_gadget_unregister_driver - unregister a gadget driver