linux-kernel - Re: [PATCH v4 12/17] iio: adc: ad7768-1: Add GPIO controller support

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Message-ID: <20250308134114.093a1ed4@jic23-huawei>
Date: Sat, 8 Mar 2025 13:41:14 +0000
From: Jonathan Cameron <jic23@...nel.org>
To: Jonathan Santos <Jonathan.Santos@...log.com>
Cc: <linux-iio@...r.kernel.org>, <devicetree@...r.kernel.org>,
 <linux-kernel@...r.kernel.org>, <linux-gpio@...r.kernel.org>, Sergiu
 Cuciurean <sergiu.cuciurean@...log.com>, <lars@...afoo.de>,
 <Michael.Hennerich@...log.com>, <marcelo.schmitt@...log.com>,
 <robh@...nel.org>, <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
 <linus.walleij@...aro.org>, <brgl@...ev.pl>, <lgirdwood@...il.com>,
 <broonie@...nel.org>, <dlechner@...libre.com>,
 <marcelo.schmitt1@...il.com>, <jonath4nns@...il.com>
Subject: Re: [PATCH v4 12/17] iio: adc: ad7768-1: Add GPIO controller
 support

On Thu, 6 Mar 2025 18:03:13 -0300
Jonathan Santos <Jonathan.Santos@...log.com> wrote:

> From: Sergiu Cuciurean <sergiu.cuciurean@...log.com>
> 
> The AD7768-1 has the ability to control other local hardware (such as gain
> stages),to power down other blocks in the signal chain, or read local
> status signals over the SPI interface.
> 
> Add direct mode conditional locks in the gpio callbacks to prevent register
> access when the device is in buffered mode.
> 
> This change exports the AD7768-1's four gpios and makes them accessible
> at an upper layer.
> 
> Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
> Signed-off-by: Sergiu Cuciurean <sergiu.cuciurean@...log.com>
> Co-developed-by: Jonathan Santos <Jonathan.Santos@...log.com>
> Signed-off-by: Jonathan Santos <Jonathan.Santos@...log.com>
More iio_device_claim_direct() conversions to make in here.
That's just a bit of unlucky timing vs that series getting merged.

Jonathan