Re: [PATCH v5 RESEND 3/5] driver core: handle -EPROBE_DEFER from bus_type.match()

From	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH v5 RESEND 3/5] driver core: handle -EPROBE_DEFER from bus_type.match()
Date	2016-02-12 04:20 +0100
Message-ID	<r1cr0-1gv-5@gated-at.bofh.it> (permalink)
References	<r0Avn-12b-5@gated-at.bofh.it> <r0Avn-12b-7@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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>

Thread

[PATCH v5 RESEND 0/5] AMBA: add complete support for power domains Marek Szyprowski <m.szyprowski@samsung.com> - 2016-02-10 11:50 +0100
  [PATCH v5 RESEND 1/5] drivers: nvdimm: ensure no negative value gets  returned on positive match Marek Szyprowski <m.szyprowski@samsung.com> - 2016-02-10 11:50 +0100
  [PATCH v5 RESEND 3/5] driver core: handle -EPROBE_DEFER from  bus_type.match() Marek Szyprowski <m.szyprowski@samsung.com> - 2016-02-10 11:50 +0100
    Re: [PATCH v5 RESEND 3/5] driver core: handle -EPROBE_DEFER from  bus_type.match() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-02-12 04:20 +0100
  [PATCH v5 RESEND 5/5] ARM: amba: Properly handle devices with power  domains Marek Szyprowski <m.szyprowski@samsung.com> - 2016-02-10 11:50 +0100
  [PATCH v5 RESEND 2/5] ARM: sa1111: ensure no negative value gets  returned on positive match Marek Szyprowski <m.szyprowski@samsung.com> - 2016-02-10 11:50 +0100
    Re: [PATCH v5 RESEND 2/5] ARM: sa1111: ensure no negative value gets  returned on positive match Ulf Hansson <ulf.hansson@linaro.org> - 2016-02-10 17:50 +0100

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