[U-Boot] [RFC v3 PATCH 1/4] dm: do not return pointer if NULL is given to devp of device_bind()

This is useful when we want to bind a device, but do not need the device pointer.

Signed-off-by: Masahiro Yamada yamada.masahiro@socionext.com ---

drivers/core/device.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/core/device.c b/drivers/core/device.c index e23a872..634070c 100644 --- a/drivers/core/device.c +++ b/drivers/core/device.c @@ -32,7 +32,8 @@ int device_bind(struct udevice *parent, const struct driver *drv, struct uclass *uc; int size, ret = 0;

- *devp = NULL; + if (devp) + *devp = NULL; if (!name) return -EINVAL;

@@ -133,7 +134,8 @@ int device_bind(struct udevice *parent, const struct driver *drv,

if (parent) dm_dbg("Bound device %s to %s\n", dev->name, parent->name); - *devp = dev; + if (devp) + *devp = dev;

dev->flags |= DM_FLAG_BOUND;