linux-kernel - Re: [RESEND PATCH v3 1/2] mfd: mfd-core: Add mechanism for removal of a subset of children

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Date:   Mon, 27 Jul 2020 15:02:12 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Charles Keepax <ckeepax@...nsource.cirrus.com>
Cc:     linux-kernel@...r.kernel.org, patches@...nsource.cirrus.com
Subject: Re: [RESEND PATCH v3 1/2] mfd: mfd-core: Add mechanism for removal
 of a subset of children

On Thu, 23 Jul 2020, Charles Keepax wrote:

> Currently, the only way to remove MFD children is with a call to
> mfd_remove_devices, which will remove all the children. Under
> some circumstances it is useful to remove only a subset of the
> child devices. For example if some additional clean up is required
> between removal of certain child devices.
> 
> To accomplish this a level field is added to mfd_cell, the normal
> mfd_remove_devices is modified to not remove devices that are set
> to a higher level and a corresponding mfd_remove_devices_late
> function is added to remove those children.
> 
> See further discussion at:
> https://lore.kernel.org/lkml/20200616075834.GF2608702@dell/
> 
> Suggested-by: Lee Jones <lee.jones@...aro.org>
> Signed-off-by: Charles Keepax <ckeepax@...nsource.cirrus.com>
> ---
>  drivers/mfd/mfd-core.c   | 16 +++++++++++++++-
>  include/linux/mfd/core.h |  5 +++++
>  2 files changed, 20 insertions(+), 1 deletion(-)

Applied, thanks.

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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