Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-23 03:11:46 +00:00
Code Issues Packages Projects Releases Wiki Activity

staging: unisys: visorbus: visorbus_main.c: cleanup and consolidate comments

Browse Source 
Use all 80 characters of the line for comments to help reduce the number
of extra lines in the code.

Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
David Kershner 2017-09-27 13:14:13 -04:00 committed by Greg Kroah-Hartman
parent 30c036cc2b
commit 7915a3c450
1 changed files with 19 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
drivers/staging/unisys/visorbus/visorbus_main.c
View File

@ -198,7 +198,7 @@ static void visorbus_release_device(struct device *xdev)
}
/*
* begin implementation of specific channel attributes to appear under
* BUS specific channel attributes to appear under
* /sys/bus/visorbus<x>/dev<y>/channel
*/
@ -284,8 +284,6 @@ static struct attribute *channel_attrs[] = {
ATTRIBUTE_GROUPS(channel);
/* end implementation of specific channel attributes */
/*
* BUS instance attributes
*
@ -546,8 +544,7 @@ EXPORT_SYMBOL_GPL(visorbus_unregister_visor_driver);
* @dest: the destination buffer that is written into from the channel
* @nbytes: the number of bytes to read from the channel
*
* If receiving a message, use the visorchannel_signalremove()
* function instead.
* If receiving a message, use the visorchannel_signalremove() function instead.
*
* Return: integer indicating success (zero) or failure (non-zero)
*/
@ -566,8 +563,7 @@ EXPORT_SYMBOL_GPL(visorbus_read_channel);
* @src: the source buffer that is written into the channel
* @nbytes: the number of bytes to write into the channel
*
* If sending a message, use the visorchannel_signalinsert()
* function instead.
* If sending a message, use the visorchannel_signalinsert() function instead.
*
* Return: integer indicating success (zero) or failure (non-zero)
*/
@ -618,17 +614,16 @@ EXPORT_SYMBOL_GPL(visorbus_disable_channel_interrupts);
*
* This is how everything starts from the device end.
* This function is called when a channel first appears via a ControlVM
* message. In response, this function allocates a visor_device to
* correspond to the new channel, and attempts to connect it the appropriate
* driver. If the appropriate driver is found, the visor_driver.probe()
* function for that driver will be called, and will be passed the new
* visor_device that we just created.
* message. In response, this function allocates a visor_device to correspond
* to the new channel, and attempts to connect it the appropriate * driver. If
* the appropriate driver is found, the visor_driver.probe() function for that
* driver will be called, and will be passed the new * visor_device that we
* just created.
*
* It's ok if the appropriate driver is not yet loaded, because in that case
* the new device struct will just stick around in the bus' list of devices.
* When the appropriate driver calls visorbus_register_visor_driver(), the
* visor_driver.probe() for the new driver will be called with the new
* device.
* visor_driver.probe() for the new driver will be called with the new device.
*
* Return: 0 if successful, otherwise the negative value returned by
* device_add() indicating the reason for failure
@ -649,9 +644,9 @@ int create_visor_device(struct visor_device *dev)
setup_timer(&dev->timer, dev_periodic_work, (unsigned long)dev);
/*
* bus_id must be a unique name with respect to this bus TYPE
* (NOT bus instance). That's why we need to include the bus
* number within the name.
* bus_id must be a unique name with respect to this bus TYPE (NOT bus
* instance). That's why we need to include the bus number within the
* name.
*/
err = dev_set_name(&dev->device, "vbus%u:dev%u",
chipset_bus_no, chipset_dev_no);
@ -671,9 +666,9 @@ int create_visor_device(struct visor_device *dev)
* if (!drv.probe(dev)) [visordriver_probe_device]
* dev.drv = NULL
*
* Note that device_add does NOT fail if no driver failed to
* claim the device. The device will be linked onto
* bus_type.klist_devices regardless (use bus_for_each_dev).
* Note that device_add does NOT fail if no driver failed to claim the
* device. The device will be linked onto bus_type.klist_devices
* regardless (use bus_for_each_dev).
*/
err = device_add(&dev->device);
if (err < 0)
@ -914,14 +909,13 @@ static int visordriver_probe_device(struct device *xdev)
}
/*
* visorbus_register_visor_driver() - registers the provided visor driver
* for handling one or more visor device
* visorbus_register_visor_driver() - registers the provided visor driver for
* handling one or more visor device
* types (channel_types)
* @drv: the driver to register
*
* A visor function driver calls this function to register
* the driver. The caller MUST fill in the following fields within the
* #drv structure:
* A visor function driver calls this function to register the driver. The
* caller MUST fill in the following fields within the #drv structure:
* name, version, owner, channel_types, probe, remove
*
* Here's how the whole Linux bus / driver / device model works.