lkml.org 
[lkml]   [2022]   [Jul]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v3] hisi_lpc: Use acpi_dev_for_each_child()
On Thu, Jun 30, 2022 at 08:13:52PM +0200, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> Subject: [PATCH] hisi_lpc: Use acpi_dev_for_each_child()
>
> Instead of walking the list of children of an ACPI device directly,
> use acpi_dev_for_each_child() to carry out an action for all of
> the given ACPI device's children.
>
> This will help to eliminate the children list head from struct
> acpi_device as it is redundant and it is used in questionable ways
> in some places (in particular, locking is needed for walking the
> list pointed to it safely, but it is often missing).
>
> While at it, simplify hisi_lpc_acpi_set_io_res() by making it accept
> a struct acpi_device pointer from the caller, instead of going to
> struct device and back to get the same result, and clean up confusion
> regarding hostdev and its ACPI companion in that function.
>
> Also remove a redundant check from it.
>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

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

\
 
 \ /
  Last update: 2022-07-01 10:35    [W:0.121 / U:0.884 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site