diff mbox series

[PATCHv3,04/14] regulator: rk808: reduce 'struct rk808' usage

Message ID 20220909175522.179175-5-sebastian.reichel@collabora.com
State Accepted
Commit 647e57351f8ebc37d8e12cbc0f4bf7471754a0cc
Headers show
Series [PATCHv3,01/14] mfd: rk808: convert to device managed resources | expand

Commit Message

Sebastian Reichel Sept. 9, 2022, 5:55 p.m. UTC 
Reduce usage of 'struct rk808' (driver data of the parent MFD), so
that only the chip variant field is still being accessed directly.
This allows restructuring the MFD driver to support SPI based
PMICs.

Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
---
 drivers/regulator/rk808-regulator.c | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)
diff mbox series

Patch

diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c
index 127dc2e2e690..ce9c64cadeba 100644
--- a/drivers/regulator/rk808-regulator.c
+++ b/drivers/regulator/rk808-regulator.c
@@ -14,7 +14,6 @@ 
 
 #include <linux/delay.h>
 #include <linux/gpio.h>
-#include <linux/i2c.h>
 #include <linux/module.h>
 #include <linux/of_device.h>
 #include <linux/of_gpio.h>
@@ -1286,19 +1285,23 @@  static int rk808_regulator_dt_parse_pdata(struct device *dev,
 static int rk808_regulator_probe(struct platform_device *pdev)
 {
 	struct rk808 *rk808 = dev_get_drvdata(pdev->dev.parent);
-	struct i2c_client *client = rk808->i2c;
 	struct regulator_config config = {};
 	struct regulator_dev *rk808_rdev;
 	struct rk808_regulator_data *pdata;
 	const struct regulator_desc *regulators;
+	struct regmap *regmap;
 	int ret, i, nregulators;
 
+	regmap = dev_get_regmap(pdev->dev.parent, NULL);
+	if (!regmap)
+		return -ENODEV;
+
 	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
 	if (!pdata)
 		return -ENOMEM;
 
-	ret = rk808_regulator_dt_parse_pdata(&pdev->dev, &client->dev,
-					     rk808->regmap, pdata);
+	ret = rk808_regulator_dt_parse_pdata(&pdev->dev, pdev->dev.parent,
+					     regmap, pdata);
 	if (ret < 0)
 		return ret;
 
@@ -1326,21 +1329,22 @@  static int rk808_regulator_probe(struct platform_device *pdev)
 		nregulators = RK818_NUM_REGULATORS;
 		break;
 	default:
-		dev_err(&client->dev, "unsupported RK8XX ID %lu\n",
+		dev_err(&pdev->dev, "unsupported RK8XX ID %lu\n",
 			rk808->variant);
 		return -EINVAL;
 	}
 
-	config.dev = &client->dev;
+	config.dev = &pdev->dev;
+	config.dev->of_node = pdev->dev.parent->of_node;
 	config.driver_data = pdata;
-	config.regmap = rk808->regmap;
+	config.regmap = regmap;
 
 	/* Instantiate the regulators */
 	for (i = 0; i < nregulators; i++) {
 		rk808_rdev = devm_regulator_register(&pdev->dev,
 						     &regulators[i], &config);
 		if (IS_ERR(rk808_rdev)) {
-			dev_err(&client->dev,
+			dev_err(&pdev->dev,
 				"failed to register %d regulator\n", i);
 			return PTR_ERR(rk808_rdev);
 		}