Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit e44a45ae authored by David Brownell's avatar David Brownell Committed by Linus Torvalds
Browse files

SPI dynamic busid generation bugfix 



Fix SPI dynamic bus ID assignment to start at 2^15-1 rather than a negative
number.  Valid bus ids are supposed to be positive, and are (now) stored in
an 's16' value.

Signed-off-by: default avatarDavid Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent c1a13ff5

drivers/spi/spi.c

+1 −1
Original line number Diff line number Diff line
@@ -411,7 +411,7 @@ EXPORT_SYMBOL_GPL(spi_alloc_master); 
 */

int spi_register_master(struct spi_master *master)

{

	static atomic_t		dyn_bus_id = ATOMIC_INIT((1<<16) - 1);

	static atomic_t		dyn_bus_id = ATOMIC_INIT((1<<15) - 1);

	struct device		*dev = master->cdev.dev;

	int			status = -ENODEV;

	int			dynamic = 0;