linux-kernel - Re: [PATCH v5 05/15] i2c: acpi: Return error pointers from i2c_acpi_new

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Message-ID: <20181130095304.GA1079@kunai>
Date:   Fri, 30 Nov 2018 10:53:04 +0100
From:   Wolfram Sang <wsa@...-dreams.de>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Darren Hart <dvhart@...radead.org>,
        platform-driver-x86@...r.kernel.org,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        linux-acpi@...r.kernel.org, Jonathan Cameron <jic23@...nel.org>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        linux-i2c@...r.kernel.org, Hans de Goede <hdegoede@...hat.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 05/15] i2c: acpi: Return error pointers from
 i2c_acpi_new_device()

On Wed, Nov 28, 2018 at 01:45:25PM +0200, Andy Shevchenko wrote:
> The caller would like to know the reason why the i2c_acpi_new_device() fails.
> For example, if adapter is not available, it might be in the future and we
> would like to re-probe the clients again. But at the same time we would like to
> bail out if the error seems unrecoverable, such as invalid argument supplied.
> To achieve this, return error pointer in some cases.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

Acked-by: Wolfram Sang <wsa@...-dreams.de>


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