Convert to use the class iteration api. Signed-off-by: Dave Young <[EMAIL PROTECTED]>
--- drivers/spi/spi.c | 24 ++++++++++++++---------- 1 file changed, 14 insertions(+), 10 deletions(-) diff -upr linux/drivers/spi/spi.c linux.new/drivers/spi/spi.c --- linux/drivers/spi/spi.c 2008-01-22 15:09:49.000000000 +0800 +++ linux.new/drivers/spi/spi.c 2008-01-22 15:09:49.000000000 +0800 @@ -485,6 +485,15 @@ void spi_unregister_master(struct spi_ma } EXPORT_SYMBOL_GPL(spi_unregister_master); +static int __spi_master_match(struct device *dev, void *data) +{ + struct spi_master *m; + u16 *bus_num = data; + + m = container_of(dev, struct spi_master, dev); + return m->bus_num == *bus_num; +} + /** * spi_busnum_to_master - look up master associated with bus_num * @bus_num: the master's bus number @@ -499,17 +508,12 @@ struct spi_master *spi_busnum_to_master( { struct device *dev; struct spi_master *master = NULL; - struct spi_master *m; - down(&spi_master_class.sem); - list_for_each_entry(dev, &spi_master_class.children, node) { - m = container_of(dev, struct spi_master, dev); - if (m->bus_num == bus_num) { - master = spi_master_get(m); - break; - } - } - up(&spi_master_class.sem); + dev = class_find_device(&spi_master_class, &bus_num, + __spi_master_match); + if (dev) + master = container_of(dev, struct spi_master, dev); + /* reference got in class_find_device */ return master; } EXPORT_SYMBOL_GPL(spi_busnum_to_master); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/