linux-kernel - [PATCH v4 2/4] iio: adc: mcp3911: simplify usage of spi->dev in probe function

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Date:   Tue,  8 Aug 2023 13:04:30 +0200
From:   Marcus Folkesson <marcus.folkesson@...il.com>
To:     Marcus Folkesson <marcus.folkesson@...il.com>,
        Kent Gustavsson <kent@...oris.se>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Cosmin Tanislav <demonsingur@...il.com>,
        Arnd Bergmann <arnd@...db.de>,
        ChiYuan Huang <cy_huang@...htek.com>,
        Haibo Chen <haibo.chen@....com>,
        Ramona Bolboaca <ramona.bolboaca@...log.com>,
        Ibrahim Tilki <Ibrahim.Tilki@...log.com>,
        ChiaEn Wu <chiaen_wu@...htek.com>,
        William Breathitt Gray <william.gray@...aro.org>
Cc:     linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v4 2/4] iio: adc: mcp3911: simplify usage of spi->dev in probe function

Replace the usage of adc->spi->dev with spi->dev to make the code prettier.

Signed-off-by: Marcus Folkesson <marcus.folkesson@...il.com>
---

Notes:
    v4:
        - New patch in this series

 drivers/iio/adc/mcp3911.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/iio/adc/mcp3911.c b/drivers/iio/adc/mcp3911.c
index 974c5bd923a6..8bbf2f7c839e 100644
--- a/drivers/iio/adc/mcp3911.c
+++ b/drivers/iio/adc/mcp3911.c
@@ -477,12 +477,12 @@ static int mcp3911_probe(struct spi_device *spi)
 	adc = iio_priv(indio_dev);
 	adc->spi = spi;
 
-	adc->vref = devm_regulator_get_optional(&adc->spi->dev, "vref");
+	adc->vref = devm_regulator_get_optional(&spi->dev, "vref");
 	if (IS_ERR(adc->vref)) {
 		if (PTR_ERR(adc->vref) == -ENODEV) {
 			adc->vref = NULL;
 		} else {
-			dev_err(&adc->spi->dev,
+			dev_err(&spi->dev,
 				"failed to get regulator (%ld)\n",
 				PTR_ERR(adc->vref));
 			return PTR_ERR(adc->vref);
@@ -499,12 +499,12 @@ static int mcp3911_probe(struct spi_device *spi)
 			return ret;
 	}
 
-	adc->clki = devm_clk_get_enabled(&adc->spi->dev, NULL);
+	adc->clki = devm_clk_get_enabled(&spi->dev, NULL);
 	if (IS_ERR(adc->clki)) {
 		if (PTR_ERR(adc->clki) == -ENOENT) {
 			adc->clki = NULL;
 		} else {
-			dev_err(&adc->spi->dev,
+			dev_err(&spi->dev,
 				"failed to get adc clk (%ld)\n",
 				PTR_ERR(adc->clki));
 			return PTR_ERR(adc->clki);
@@ -515,7 +515,7 @@ static int mcp3911_probe(struct spi_device *spi)
 	if (ret)
 		return ret;
 
-	if (device_property_read_bool(&adc->spi->dev, "microchip,data-ready-hiz"))
+	if (device_property_read_bool(&spi->dev, "microchip,data-ready-hiz"))
 		ret = mcp3911_update(adc, MCP3911_REG_STATUSCOM, MCP3911_STATUSCOM_DRHIZ,
 				0, 2);
 	else
@@ -579,7 +579,7 @@ static int mcp3911_probe(struct spi_device *spi)
 	if (ret)
 		return ret;
 
-	return devm_iio_device_register(&adc->spi->dev, indio_dev);
+	return devm_iio_device_register(&spi->dev, indio_dev);
 }
 
 static const struct of_device_id mcp3911_dt_ids[] = {
-- 
2.40.1