lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

spi doesn't need class_device

Browse Source 
Make the SPI framework and drivers stop using class_device.  Update docs
accordingly ...  highlighting just which sysfs paths should be
"safe"/stable.

Signed-off-by: Tony Jones <tonyj@suse.de>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Tony Jones
2007-10-16 01:27:48 -07:00
committed by Linus Torvalds
parent cd58310d77
commit 49dce689ad
12 changed files with 57 additions and 48 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
include/linux/spi/spi.h
View File

@ -195,7 +195,7 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv)
/**
* struct spi_master - interface to SPI master controller
* @cdev: class interface to this driver
* @dev: device interface to this driver
* @bus_num: board-specific (and often SOC-specific) identifier for a
* given SPI controller.
* @num_chipselect: chipselects are used to distinguish individual
@ -222,7 +222,7 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv)
* message's completion function when the transaction completes.
*/
struct spi_master {
struct class_device cdev;
struct device dev;
/* other than negative (== assign one dynamically), bus_num is fully
* board-specific. usually that simplifies to being SOC-specific.
@ -268,17 +268,17 @@ struct spi_master {
static inline void *spi_master_get_devdata(struct spi_master *master)
{
return class_get_devdata(&master->cdev);
return dev_get_drvdata(&master->dev);
}
static inline void spi_master_set_devdata(struct spi_master *master, void *data)
{
class_set_devdata(&master->cdev, data);
dev_set_drvdata(&master->dev, data);
}
static inline struct spi_master *spi_master_get(struct spi_master *master)
{
if (!master || !class_device_get(&master->cdev))
if (!master || !get_device(&master->dev))
return NULL;
return master;
}
@ -286,7 +286,7 @@ static inline struct spi_master *spi_master_get(struct spi_master *master)
static inline void spi_master_put(struct spi_master *master)
{
if (master)
class_device_put(&master->cdev);
put_device(&master->dev);
}