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SubjectRe: [PATCH v5 RESEND 3/5] driver core: handle -EPROBE_DEFER from bus_type.match()
On Wed, Feb 10, 2016 at 11:47:28AM +0100, Marek Szyprowski wrote:
> From: Tomeu Vizoso <tomeu.vizoso@collabora.com>
>
> Allow implementations of the match() callback in struct bus_type to
> return errors and if it's -EPROBE_DEFER then queue the device for
> deferred probing.
>
> This is useful to buses such as AMBA in which devices are registered
> before their matching information can be retrieved from the HW
> (typically because a clock driver hasn't probed yet).
>
> Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
> [changed if-else code structure, adjusted documentation to match the code,
> extended comments]
> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
> ---
> Documentation/driver-model/porting.txt | 6 ++++--
> drivers/base/dd.c | 24 ++++++++++++++++++++++--
> include/linux/device.h | 7 +++++--
> 3 files changed, 31 insertions(+), 6 deletions(-)


Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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