iio: accel: mma7455: use regmap to retrieve struct device

Driver includes struct regmap and struct device in its global data.
Remove the struct device and use regmap API to retrieve device info.

Patch created using Coccinelle plus manual edits.

Signed-off-by: Alison Schofield <amsfield22@gmail.com>
Acked-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/accel/mma7455_core.c b/drivers/iio/accel/mma7455_core.c
index c633cc2c0789e2b6c99ac9d74f3f2cd8a798f9e0..c902f54c23f57fee5ee587b8d701ae818f591785 100644 (file)
--- a/drivers/iio/accel/mma7455_core.c
+++ b/drivers/iio/accel/mma7455_core.c
@@ -55,11 +55,11 @@
 
 struct mma7455_data {
        struct regmap *regmap;
-       struct device *dev;
 };
 
 static int mma7455_drdy(struct mma7455_data *mma7455)
 {
+       struct device *dev = regmap_get_device(mma7455->regmap);
        unsigned int reg;
        int tries = 3;
        int ret;
@@ -75,7 +75,7 @@ static int mma7455_drdy(struct mma7455_data *mma7455)
                msleep(20);
        }
 
-       dev_warn(mma7455->dev, "data not ready\n");
+       dev_warn(dev, "data not ready\n");
 
        return -EIO;
 }
@@ -260,7 +260,6 @@ int mma7455_core_probe(struct device *dev, struct regmap *regmap,
        dev_set_drvdata(dev, indio_dev);
        mma7455 = iio_priv(indio_dev);
        mma7455->regmap = regmap;
-       mma7455->dev = dev;
 
        indio_dev->info = &mma7455_info;
        indio_dev->name = name;