linux-kernel - [PATCH v3 04/27] staging: iio: resolver: ad2s1210: check return of ad2s1210

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Message-ID: <20230929-ad2s1210-mainline-v3-4-fa4364281745@baylibre.com>
Date:   Fri, 29 Sep 2023 12:23:09 -0500
From:   David Lechner <dlechner@...libre.com>
To:     linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-staging@...ts.linux.dev
Cc:     David Lechner <david@...hnology.com>,
        Jonathan Cameron <jic23@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Michael Hennerich <Michael.Hennerich@...log.com>,
        Nuno Sá <nuno.sa@...log.com>,
        Axel Haslam <ahaslam@...libre.com>,
        Philip Molloy <pmolloy@...libre.com>,
        linux-kernel@...r.kernel.org, David Lechner <dlechner@...libre.com>
Subject: [PATCH v3 04/27] staging: iio: resolver: ad2s1210: check return of ad2s1210_initial()

From: David Lechner <david@...hnology.com>

From: David Lechner <dlechner@...libre.com>

This adds a check to the return value of ad2s1210_initial() since it
can fail. The call is also moved before devm_iio_device_register() so
that we don't have to unregister the device if it fails.

Signed-off-by: David Lechner <dlechner@...libre.com>
---

v3 changes:
* This is a new patch split out from "staging: iio: resolver: ad2s1210:
 fix probe"

 drivers/staging/iio/resolver/ad2s1210.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c
index 8fde08887f7f..b5e071d7c5fd 100644
--- a/drivers/staging/iio/resolver/ad2s1210.c
+++ b/drivers/staging/iio/resolver/ad2s1210.c
@@ -672,6 +672,10 @@ static int ad2s1210_probe(struct spi_device *spi)
 	if (ret < 0)
 		return ret;
 
+	ret = ad2s1210_initial(st);
+	if (ret < 0)
+		return ret;
+
 	indio_dev->info = &ad2s1210_info;
 	indio_dev->modes = INDIO_DIRECT_MODE;
 	indio_dev->channels = ad2s1210_channels;
@@ -683,7 +687,6 @@ static int ad2s1210_probe(struct spi_device *spi)
 		return ret;
 
 	st->fclkin = spi->max_speed_hz;
-	ad2s1210_initial(st);
 
 	return 0;
 }

-- 
2.42.0