diff options
Diffstat (limited to 'drivers/spi/spi.c')
| -rw-r--r-- | drivers/spi/spi.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index a9e5c79ae52..b5a78a1f442 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -23,6 +23,7 @@ #include <linux/init.h> #include <linux/cache.h> #include <linux/mutex.h> +#include <linux/of_device.h> #include <linux/slab.h> #include <linux/mod_devicetable.h> #include <linux/spi/spi.h> @@ -86,6 +87,10 @@ static int spi_match_device(struct device *dev, struct device_driver *drv) const struct spi_device *spi = to_spi_device(dev); const struct spi_driver *sdrv = to_spi_driver(drv); + /* Attempt an OF style match */ + if (of_driver_match_device(dev, drv)) + return 1; + if (sdrv->id_table) return !!spi_match_id(sdrv->id_table, spi); @@ -554,11 +559,9 @@ done: EXPORT_SYMBOL_GPL(spi_register_master); -static int __unregister(struct device *dev, void *master_dev) +static int __unregister(struct device *dev, void *null) { - /* note: before about 2.6.14-rc1 this would corrupt memory: */ - if (dev != master_dev) - spi_unregister_device(to_spi_device(dev)); + spi_unregister_device(to_spi_device(dev)); return 0; } @@ -576,8 +579,7 @@ void spi_unregister_master(struct spi_master *master) { int dummy; - dummy = device_for_each_child(master->dev.parent, &master->dev, - __unregister); + dummy = device_for_each_child(&master->dev, NULL, __unregister); device_unregister(&master->dev); } EXPORT_SYMBOL_GPL(spi_unregister_master); |