Add documentation that platform_driver_probe() is incompatible with deferred probing.
Signed-off-by: Fabio Porcedda <[email protected]> Cc: Greg Kroah-Hartman <[email protected]> Cc: Arnd Bergmann <[email protected]> Cc: Geert Uytterhoeven <[email protected]> --- drivers/base/platform.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/base/platform.c b/drivers/base/platform.c index c0b8df3..ef2afb1 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -555,7 +555,8 @@ EXPORT_SYMBOL_GPL(platform_driver_unregister); /** * platform_driver_probe - register driver for non-hotpluggable device * @drv: platform driver structure - * @probe: the driver probe routine, probably from an __init section + * @probe: the driver probe routine, probably from an __init section, + * must not return -EPROBE_DEFER. * * Use this instead of platform_driver_register() when you know the device * is not hotpluggable and has already been registered, and you want to @@ -566,6 +567,9 @@ EXPORT_SYMBOL_GPL(platform_driver_unregister); * into system-on-chip processors, where the controller devices have been * configured as part of board setup. * + * This is incompatible with deferred probing so probe() must not + * return -EPROBE_DEFER. + * * Returns zero if the driver registered and bound to a device, else returns * a negative error code and with the driver not registered. */ -- 1.8.2 -- 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/
