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Date:   Thu, 7 Feb 2019 10:36:29 +0000
From:   Lee Jones <lee.jones@linaro.org>
To:     Enric Balletbo i Serra <enric.balletbo@collabora.com>
Cc:     linux-kernel@vger.kernel.org, groeck@chromium.org,
        gwendal@chromium.org, kernel@collabora.com, bleung@chromium.org,
        Guenter Roeck <linux@roeck-us.net>
Subject: Re: [PATCH v2] mfd: cros_ec_dev: Return number of bytes read with
 CROS_EC_DEV_IOCRDMEM
Message-ID: <20190207103629.GD20638@dell>
References: <20190206173959.23925-1-enric.balletbo@collabora.com>
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On Wed, 06 Feb 2019, Enric Balletbo i Serra wrote:

> From: Guenter Roeck <linux@roeck-us.net>
> 
> While ioctls normally return a negative error or 0 on success, this is not
> the case for CROS_EC_DEV_IOCXCMD in the cros_ec driver, which returns the
> number of bytes read instead. However, CROS_EC_DEV_IOCRDMEM in the same
> driver does not return the number of byte read on success. This is both
> inconsistent and problematic, since the amount of returned data can be
> dynamic. Have it return the number of data bytes for consistency.
> 
> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
> ---
> Hi,
> 
> This patch was send long time ago and never landed to mainline [1]. This
> is a second attempt. Originally was made to apply on platform/chrome but
> after the recent changes we did it should go now throught the MFD
> subsystem. Without this patch userspace tools like ectool doesn't work
> as expected.
> 
> Best regards,
>  Enric
> 
> [1] https://lore.kernel.org/patchwork/patch/665211/
> 
> Changes in v2:
> - Adapt and rebase to current mainline.

Applied, thanks.

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