From 259a8202b6fd2831868ad2069ec3ef3b808a26ad Mon Sep 17 00:00:00 2001 From: Rodrigo Siqueira Date: Fri, 23 Mar 2018 11:26:41 -0300 Subject: staging:iio:ade7854: Remove write_reg_* duplications This patch removes code duplications related to the write_reg_* functions and centralizes them in a single function. Also, it eliminates the legacy functions and replaces them by a unique signature that is used by SPI and I2C. Signed-off-by: Rodrigo Siqueira Signed-off-by: Jonathan Cameron --- drivers/staging/iio/meter/ade7854-i2c.c | 33 +-------------------------------- drivers/staging/iio/meter/ade7854-spi.c | 33 +-------------------------------- drivers/staging/iio/meter/ade7854.c | 12 ++++++------ drivers/staging/iio/meter/ade7854.h | 9 ++++----- 4 files changed, 12 insertions(+), 75 deletions(-) (limited to 'drivers/staging/iio/meter') diff --git a/drivers/staging/iio/meter/ade7854-i2c.c b/drivers/staging/iio/meter/ade7854-i2c.c index c9f46d26b752..29e959fdb932 100644 --- a/drivers/staging/iio/meter/ade7854-i2c.c +++ b/drivers/staging/iio/meter/ade7854-i2c.c @@ -65,34 +65,6 @@ unlock: return ret < 0 ? ret : 0; } -static int ade7854_i2c_write_reg_8(struct device *dev, - u16 reg_address, - u8 val) -{ - return ade7854_i2c_write_reg(dev, reg_address, val, 8); -} - -static int ade7854_i2c_write_reg_16(struct device *dev, - u16 reg_address, - u16 val) -{ - return ade7854_i2c_write_reg(dev, reg_address, val, 16); -} - -static int ade7854_i2c_write_reg_24(struct device *dev, - u16 reg_address, - u32 val) -{ - return ade7854_i2c_write_reg(dev, reg_address, val, 24); -} - -static int ade7854_i2c_write_reg_32(struct device *dev, - u16 reg_address, - u32 val) -{ - return ade7854_i2c_write_reg(dev, reg_address, val, 32); -} - static int ade7854_i2c_read_reg_8(struct device *dev, u16 reg_address, u8 *val) @@ -213,10 +185,7 @@ static int ade7854_i2c_probe(struct i2c_client *client, st->read_reg_16 = ade7854_i2c_read_reg_16; st->read_reg_24 = ade7854_i2c_read_reg_24; st->read_reg_32 = ade7854_i2c_read_reg_32; - st->write_reg_8 = ade7854_i2c_write_reg_8; - st->write_reg_16 = ade7854_i2c_write_reg_16; - st->write_reg_24 = ade7854_i2c_write_reg_24; - st->write_reg_32 = ade7854_i2c_write_reg_32; + st->write_reg = ade7854_i2c_write_reg; st->i2c = client; st->irq = client->irq; diff --git a/drivers/staging/iio/meter/ade7854-spi.c b/drivers/staging/iio/meter/ade7854-spi.c index 9c5c16c4d6e0..be7397042850 100644 --- a/drivers/staging/iio/meter/ade7854-spi.c +++ b/drivers/staging/iio/meter/ade7854-spi.c @@ -67,34 +67,6 @@ unlock: return ret; } -static int ade7854_spi_write_reg_8(struct device *dev, - u16 reg_address, - u8 val) -{ - return ade7854_spi_write_reg(dev, reg_address, val, 8); -} - -static int ade7854_spi_write_reg_16(struct device *dev, - u16 reg_address, - u16 val) -{ - return ade7854_spi_write_reg(dev, reg_address, val, 16); -} - -static int ade7854_spi_write_reg_24(struct device *dev, - u16 reg_address, - u32 val) -{ - return ade7854_spi_write_reg(dev, reg_address, val, 24); -} - -static int ade7854_spi_write_reg_32(struct device *dev, - u16 reg_address, - u32 val) -{ - return ade7854_spi_write_reg(dev, reg_address, val, 32); -} - static int ade7854_spi_read_reg_8(struct device *dev, u16 reg_address, u8 *val) @@ -260,10 +232,7 @@ static int ade7854_spi_probe(struct spi_device *spi) st->read_reg_16 = ade7854_spi_read_reg_16; st->read_reg_24 = ade7854_spi_read_reg_24; st->read_reg_32 = ade7854_spi_read_reg_32; - st->write_reg_8 = ade7854_spi_write_reg_8; - st->write_reg_16 = ade7854_spi_write_reg_16; - st->write_reg_24 = ade7854_spi_write_reg_24; - st->write_reg_32 = ade7854_spi_write_reg_32; + st->write_reg = ade7854_spi_write_reg; st->irq = spi->irq; st->spi = spi; diff --git a/drivers/staging/iio/meter/ade7854.c b/drivers/staging/iio/meter/ade7854.c index 0193ae3aae29..45984b9a2bee 100644 --- a/drivers/staging/iio/meter/ade7854.c +++ b/drivers/staging/iio/meter/ade7854.c @@ -105,7 +105,7 @@ static ssize_t ade7854_write_8bit(struct device *dev, ret = kstrtou8(buf, 10, &val); if (ret) goto error_ret; - ret = st->write_reg_8(dev, this_attr->address, val); + ret = st->write_reg(dev, this_attr->address, val, 8); error_ret: return ret ? ret : len; @@ -126,7 +126,7 @@ static ssize_t ade7854_write_16bit(struct device *dev, ret = kstrtou16(buf, 10, &val); if (ret) goto error_ret; - ret = st->write_reg_16(dev, this_attr->address, val); + ret = st->write_reg(dev, this_attr->address, val, 16); error_ret: return ret ? ret : len; @@ -147,7 +147,7 @@ static ssize_t ade7854_write_24bit(struct device *dev, ret = kstrtou32(buf, 10, &val); if (ret) goto error_ret; - ret = st->write_reg_24(dev, this_attr->address, val); + ret = st->write_reg(dev, this_attr->address, val, 24); error_ret: return ret ? ret : len; @@ -168,7 +168,7 @@ static ssize_t ade7854_write_32bit(struct device *dev, ret = kstrtou32(buf, 10, &val); if (ret) goto error_ret; - ret = st->write_reg_32(dev, this_attr->address, val); + ret = st->write_reg(dev, this_attr->address, val, 32); error_ret: return ret ? ret : len; @@ -183,7 +183,7 @@ static int ade7854_reset(struct device *dev) st->read_reg_16(dev, ADE7854_CONFIG, &val); val |= BIT(7); /* Software Chip Reset */ - return st->write_reg_16(dev, ADE7854_CONFIG, val); + return st->write_reg(dev, ADE7854_CONFIG, val, 16); } static IIO_DEV_ATTR_AIGAIN(0644, @@ -426,7 +426,7 @@ static int ade7854_set_irq(struct device *dev, bool enable) else irqen &= ~BIT(17); - return st->write_reg_32(dev, ADE7854_MASK0, irqen); + return st->write_reg(dev, ADE7854_MASK0, irqen, 32); } static int ade7854_initial_setup(struct iio_dev *indio_dev) diff --git a/drivers/staging/iio/meter/ade7854.h b/drivers/staging/iio/meter/ade7854.h index a82d38224cbd..290adbf56951 100644 --- a/drivers/staging/iio/meter/ade7854.h +++ b/drivers/staging/iio/meter/ade7854.h @@ -145,7 +145,8 @@ /** * struct ade7854_state - device instance specific data - * @spi: actual spi_device + * @spi: actual spi_device + * @write_reg Wrapper function for I2C and SPI write * @indio_dev: industrial I/O device structure * @buf_lock: mutex to protect tx and rx * @tx: transmit buffer @@ -158,10 +159,8 @@ struct ade7854_state { int (*read_reg_16)(struct device *dev, u16 reg_address, u16 *val); int (*read_reg_24)(struct device *dev, u16 reg_address, u32 *val); int (*read_reg_32)(struct device *dev, u16 reg_address, u32 *val); - int (*write_reg_8)(struct device *dev, u16 reg_address, u8 val); - int (*write_reg_16)(struct device *dev, u16 reg_address, u16 val); - int (*write_reg_24)(struct device *dev, u16 reg_address, u32 val); - int (*write_reg_32)(struct device *dev, u16 reg_address, u32 val); + int (*write_reg)(struct device *dev, u16 reg_address, u32 val, + int bits); int irq; struct mutex buf_lock; u8 tx[ADE7854_MAX_TX] ____cacheline_aligned; -- cgit v1.2.3