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From: okaya@codeaurora.org (Sinan Kaya)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V5 5/6] vfio: platform: call _RST method when using ACPI
Date: Mon, 23 May 2016 22:25:17 -0400	[thread overview]
Message-ID: <5743BB8D.7050408@codeaurora.org> (raw)
In-Reply-To: <57431FF7.2060807@linaro.org>

On 5/23/2016 11:21 AM, Eric Auger wrote:
>> +	acpi_ret = acpi_evaluate_integer(handle, "_RST", NULL, &val);
>> > +	if (ACPI_FAILURE(acpi_ret))
>> > +		return -EINVAL;
> Can't you return something more explicit here? The error code will be
> visible to the userspace. Difficult for him to understand the cause of
> the failure in that case.

I can also add a reset failed message to both DT and ACPI reset calls.

Will that work?

-- 
Sinan Kaya
Qualcomm Technologies, Inc. on behalf of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project

  reply	other threads:[~2016-05-24  2:25 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-16  2:13 [PATCH V5 0/6] vfio, platform: add ACPI support Sinan Kaya
2016-05-16  2:13 ` [PATCH V5 1/6] vfio: platform: rename reset function Sinan Kaya
2016-05-23 12:52   ` Eric Auger
2016-05-16  2:13 ` [PATCH V5 2/6] vfio: platform: move reset call to a common function Sinan Kaya
2016-05-23 13:02   ` Eric Auger
2016-05-24  2:14     ` Sinan Kaya
2016-05-16  2:13 ` [PATCH V5 3/6] vfio: platform: determine reset capability Sinan Kaya
2016-05-23 13:16   ` Eric Auger
2016-05-16  2:13 ` [PATCH V5 4/6] vfio: platform: add support for ACPI probe Sinan Kaya
2016-05-23 13:18   ` Eric Auger
2016-05-24  2:18     ` Sinan Kaya
2016-06-07 16:33     ` Auger Eric
2016-05-16  2:13 ` [PATCH V5 5/6] vfio: platform: call _RST method when using ACPI Sinan Kaya
2016-05-23 14:41   ` Eric Auger
2016-05-24  2:23     ` Sinan Kaya
2016-05-23 15:21   ` Eric Auger
2016-05-24  2:25     ` Sinan Kaya [this message]
2016-05-16  2:13 ` [PATCH V5 6/6] vfio, platform: make reset driver a requirement by default Sinan Kaya
2016-05-23 15:20   ` Eric Auger

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