Re: [PATCH v1 14/16] soundwire: Use acpi_dev_for_each_child()

From: "Rafael J. Wysocki" <rafael@kernel.org>
To: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>,
	"moderated list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER
	MANAGEM..."  <alsa-devel@alsa-project.org>,
	Linux PM <linux-pm@vger.kernel.org>,
	Mika Westerberg <mika.westerberg@linux.intel.com>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	LKML <linux-kernel@vger.kernel.org>,
	Linux ACPI <linux-acpi@vger.kernel.org>,
	Vinod Koul <vkoul@kernel.org>,
	Hans de Goede <hdegoede@redhat.com>,
	Sakari Ailus <sakari.ailus@linux.intel.com>,
	Sanyog Kale <sanyog.r.kale@intel.com>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Bard Liao <yung-chuan.liao@linux.intel.com>
Subject: Re: [PATCH v1 14/16] soundwire: Use acpi_dev_for_each_child()
Date: Thu, 9 Jun 2022 19:35:40 +0200	[thread overview]
Message-ID: <CAJZ5v0jR1_tO_t90UKQFjYfyE+vOoToJSMCfZ8y37voaYO=wJQ@mail.gmail.com> (raw)
In-Reply-To: <7652ddab-53a5-ac8e-33f5-d25527acb1a6@linux.intel.com>

On Thu, Jun 9, 2022 at 6:21 PM Pierre-Louis Bossart
<pierre-louis.bossart@linux.intel.com> wrote:
>
>
> >> Shouldn't the return of sdw_acpi_find_one() be trapped, e.g. with
> >>
> >> return acpi_dev_for_each_child(parent, sdw_acpi_find_one, bus);
> >
> > Sure, I'll do that.  Thanks!
>
> I also added this EXPORT_SYMBOL to work-around link errors, not sure if
> this is in your tree already?

One of the previous patches in the series is adding the export.

> diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
>
> index 86fa61a21826c..ade6259c19af6 100644
>
> --- a/drivers/acpi/bus.c
>
> +++ b/drivers/acpi/bus.c
>
> @@ -1113,6 +1113,7 @@ int acpi_dev_for_each_child(struct acpi_device *adev,
>
>
>
>         return device_for_each_child(&adev->dev, &adwc,
> acpi_dev_for_one_check);
>
>  }
>
> +EXPORT_SYMBOL_GPL(acpi_dev_for_each_child);
>
>