linux-kernel - [PATCH v6 32/48] mfd: ti_am335x

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Date:   Fri, 15 Oct 2021 10:14:50 +0200
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Jonathan Cameron <jic23@...nel.org>,
        Lee Jones <lee.jones@...aro.org>, linux-iio@...r.kernel.org,
        linux-omap@...r.kernel.org,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Ryan Barnett <ryan.barnett@...lins.com>,
        linux-kernel@...r.kernel.org
Cc:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>
Subject: [PATCH v6 32/48] mfd: ti_am335x_tscadc: Rename a variable

We need to retrieve the number of wires used by the "secondary" device
(the touchscreen or the magnetic reader). Let's rename tsc_wires to
become tscmag_wires to clarify the fact that this variable can be used
in both situations.

Signed-off-by: Miquel Raynal <miquel.raynal@...tlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
---
 drivers/mfd/ti_am335x_tscadc.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c
index 41190844b7b6..bbf3fe46d3f4 100644
--- a/drivers/mfd/ti_am335x_tscadc.c
+++ b/drivers/mfd/ti_am335x_tscadc.c
@@ -122,7 +122,7 @@ static	int ti_tscadc_probe(struct platform_device *pdev)
 	const __be32 *cur;
 	u32 val;
 	int err;
-	int tsc_wires = 0, adc_channels = 0, cell_idx = 0, total_channels;
+	int tscmag_wires = 0, adc_channels = 0, cell_idx = 0, total_channels;
 	int readouts = 0;
 
 	/* Allocate memory for device */
@@ -140,7 +140,7 @@ static	int ti_tscadc_probe(struct platform_device *pdev)
 	tscadc->data = of_device_get_match_data(&pdev->dev);
 
 	node = of_get_child_by_name(pdev->dev.of_node, "tsc");
-	of_property_read_u32(node, "ti,wires", &tsc_wires);
+	of_property_read_u32(node, "ti,wires", &tscmag_wires);
 	of_property_read_u32(node, "ti,coordiante-readouts", &readouts);
 	of_node_put(node);
 
@@ -157,7 +157,7 @@ static	int ti_tscadc_probe(struct platform_device *pdev)
 
 	of_node_put(node);
 
-	total_channels = tsc_wires + adc_channels;
+	total_channels = tscmag_wires + adc_channels;
 	if (total_channels > 8) {
 		dev_err(&pdev->dev, "Number of i/p channels more than 8\n");
 		return -EINVAL;
@@ -223,9 +223,9 @@ static	int ti_tscadc_probe(struct platform_device *pdev)
 	 * added manually when timely.
 	 */
 	tscadc->ctrl = CNTRLREG_TSC_STEPCONFIGWRT | CNTRLREG_STEPID;
-	if (tsc_wires > 0) {
+	if (tscmag_wires > 0) {
 		tscadc->ctrl |= CNTRLREG_TSC_ENB;
-		if (tsc_wires == 5)
+		if (tscmag_wires == 5)
 			tscadc->ctrl |= CNTRLREG_TSC_5WIRE;
 		else
 			tscadc->ctrl |= CNTRLREG_TSC_4WIRE;
@@ -238,7 +238,7 @@ static	int ti_tscadc_probe(struct platform_device *pdev)
 	regmap_write(tscadc->regmap, REG_CTRL, tscadc->ctrl | CNTRLREG_SSENB);
 
 	/* TSC Cell */
-	if (tsc_wires > 0) {
+	if (tscmag_wires > 0) {
 		cell = &tscadc->cells[cell_idx++];
 		cell->name = tscadc->data->secondary_feature_name;
 		cell->of_compatible = tscadc->data->secondary_feature_compatible;
-- 
2.27.0