linux-kernel - Re: [PATCH 1/3] iio: adc: rockchip_saradc: fix bitmask for channels on SARADCv2

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Message-ID: <4499105.Wku2Vz74k6@diego>
Date: Fri, 23 Feb 2024 14:40:37 +0100
From: Heiko Stübner <heiko@...ech.de>
To: Jonathan Cameron <jic23@...nel.org>, Lars-Peter Clausen <lars@...afoo.de>,
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
 Andy Shevchenko <andy.shevchenko@...il.com>,
 Shreeya Patel <shreeya.patel@...labora.com>, Simon Xue <xxm@...k-chips.com>,
 Philipp Zabel <p.zabel@...gutronix.de>,
 Quentin Schulz <foss+kernel@...il.net>
Cc: Jonathan Cameron <Jonathan.Cameron@...wei.com>, linux-iio@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org,
 linux-kernel@...r.kernel.org,
 Quentin Schulz <quentin.schulz@...obroma-systems.com>,
 Quentin Schulz <foss+kernel@...il.net>
Subject:
 Re: [PATCH 1/3] iio: adc: rockchip_saradc: fix bitmask for channels on
 SARADCv2

Am Freitag, 23. Februar 2024, 13:45:21 CET schrieb Quentin Schulz:
> From: Quentin Schulz <quentin.schulz@...obroma-systems.com>
> 
> The SARADCv2 on RK3588 (the only SoC currently supported that has an
> SARADCv2) selects the channel through the channel_sel bitfield which is
> the 4 lowest bits, therefore the mask should be GENMASK(3, 0) and not
> GENMASK(15, 0).
> 
> Fixes: 757953f8ec69 ("iio: adc: rockchip_saradc: Add support for RK3588")
> Cc: Quentin Schulz <foss+kernel@...il.net>
> Signed-off-by: Quentin Schulz <quentin.schulz@...obroma-systems.com>

after checking against the TRM

Reviewed-by: Heiko Stuebner <heiko@...ech.de>