From: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
To: John Syne <john3909@gmail.com>,
Jonathan Cameron <jic23@kernel.org>,
Hartmut Knaack <knaack.h@gmx.de>,
Lars-Peter Clausen <lars@metafoo.de>,
Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-iio@vger.kernel.org, devel@driverdev.osuosl.org,
linux-kernel@vger.kernel.org, Barry Song <21cnbao@gmail.com>
Cc: linux-iio@vger.kernel.org, devel@driverdev.osuosl.org,
daniel.baluta@nxp.com, linux-kernel@vger.kernel.org
Subject: [PATCH v2 5/8] staging:iio:ade7854: Replace many functions for one function
Date: Fri, 16 Mar 2018 19:49:40 -0300 [thread overview]
Message-ID: <518e40bdf740819b7ca0e5d8dc5a5756337a3bd8.1521239766.git.rodrigosiqueiramelo@gmail.com> (raw)
In-Reply-To: <cover.1521239766.git.rodrigosiqueiramelo@gmail.com>
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 <rodrigosiqueiramelo@gmail.com>
---
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(-)
diff --git a/drivers/staging/iio/meter/ade7854-i2c.c b/drivers/staging/iio/meter/ade7854-i2c.c
index 1daad42b1e92..e95147a1bac1 100644
--- a/drivers/staging/iio/meter/ade7854-i2c.c
+++ b/drivers/staging/iio/meter/ade7854-i2c.c
@@ -65,34 +65,6 @@ static int ade7854_i2c_write_reg(struct device *dev,
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, DATA_SIZE_8_BITS);
-}
-
-static int ade7854_i2c_write_reg_16(struct device *dev,
- u16 reg_address,
- u16 val)
-{
- return ade7854_i2c_write_reg(dev, reg_address, val, DATA_SIZE_16_BITS);
-}
-
-static int ade7854_i2c_write_reg_24(struct device *dev,
- u16 reg_address,
- u32 val)
-{
- return ade7854_i2c_write_reg(dev, reg_address, val, DATA_SIZE_24_BITS);
-}
-
-static int ade7854_i2c_write_reg_32(struct device *dev,
- u16 reg_address,
- u32 val)
-{
- return ade7854_i2c_write_reg(dev, reg_address, val, DATA_SIZE_32_BITS);
-}
-
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 f21dc24194fb..1eba3044b86f 100644
--- a/drivers/staging/iio/meter/ade7854-spi.c
+++ b/drivers/staging/iio/meter/ade7854-spi.c
@@ -67,34 +67,6 @@ static int ade7854_spi_write_reg(struct device *dev,
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, DATA_SIZE_8_BITS);
-}
-
-static int ade7854_spi_write_reg_16(struct device *dev,
- u16 reg_address,
- u16 val)
-{
- return ade7854_spi_write_reg(dev, reg_address, val, DATA_SIZE_16_BITS);
-}
-
-static int ade7854_spi_write_reg_24(struct device *dev,
- u16 reg_address,
- u32 val)
-{
- return ade7854_spi_write_reg(dev, reg_address, val, DATA_SIZE_24_BITS);
-}
-
-static int ade7854_spi_write_reg_32(struct device *dev,
- u16 reg_address,
- u32 val)
-{
- return ade7854_spi_write_reg(dev, reg_address, val, DATA_SIZE_32_BITS);
-}
-
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..4aa7c6ce0016 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, DATA_SIZE_8_BITS);
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, DATA_SIZE_16_BITS);
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, DATA_SIZE_24_BITS);
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, DATA_SIZE_32_BITS);
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, DATA_SIZE_16_BITS);
}
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, DATA_SIZE_32_BITS);
}
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 71bdd638f348..aa29faf7c91f 100644
--- a/drivers/staging/iio/meter/ade7854.h
+++ b/drivers/staging/iio/meter/ade7854.h
@@ -152,7 +152,8 @@ enum data_size {
/**
* 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
@@ -165,10 +166,8 @@ 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 type);
int irq;
struct mutex buf_lock;
u8 tx[ADE7854_MAX_TX] ____cacheline_aligned;
--
2.16.2
_______________________________________________
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WARNING: multiple messages have this Message-ID (diff)
From: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
To: John Syne <john3909@gmail.com>,
Jonathan Cameron <jic23@kernel.org>,
Hartmut Knaack <knaack.h@gmx.de>,
Lars-Peter Clausen <lars@metafoo.de>,
Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-iio@vger.kernel.org, devel@driverdev.osuosl.org,
linux-kernel@vger.kernel.org, Barry Song <21cnbao@gmail.com>
Cc: daniel.baluta@nxp.com, linux-iio@vger.kernel.org,
devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2 5/8] staging:iio:ade7854: Replace many functions for one function
Date: Fri, 16 Mar 2018 19:49:40 -0300 [thread overview]
Message-ID: <518e40bdf740819b7ca0e5d8dc5a5756337a3bd8.1521239766.git.rodrigosiqueiramelo@gmail.com> (raw)
In-Reply-To: <cover.1521239766.git.rodrigosiqueiramelo@gmail.com>
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 <rodrigosiqueiramelo@gmail.com>
---
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(-)
diff --git a/drivers/staging/iio/meter/ade7854-i2c.c b/drivers/staging/iio/meter/ade7854-i2c.c
index 1daad42b1e92..e95147a1bac1 100644
--- a/drivers/staging/iio/meter/ade7854-i2c.c
+++ b/drivers/staging/iio/meter/ade7854-i2c.c
@@ -65,34 +65,6 @@ static int ade7854_i2c_write_reg(struct device *dev,
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, DATA_SIZE_8_BITS);
-}
-
-static int ade7854_i2c_write_reg_16(struct device *dev,
- u16 reg_address,
- u16 val)
-{
- return ade7854_i2c_write_reg(dev, reg_address, val, DATA_SIZE_16_BITS);
-}
-
-static int ade7854_i2c_write_reg_24(struct device *dev,
- u16 reg_address,
- u32 val)
-{
- return ade7854_i2c_write_reg(dev, reg_address, val, DATA_SIZE_24_BITS);
-}
-
-static int ade7854_i2c_write_reg_32(struct device *dev,
- u16 reg_address,
- u32 val)
-{
- return ade7854_i2c_write_reg(dev, reg_address, val, DATA_SIZE_32_BITS);
-}
-
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 f21dc24194fb..1eba3044b86f 100644
--- a/drivers/staging/iio/meter/ade7854-spi.c
+++ b/drivers/staging/iio/meter/ade7854-spi.c
@@ -67,34 +67,6 @@ static int ade7854_spi_write_reg(struct device *dev,
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, DATA_SIZE_8_BITS);
-}
-
-static int ade7854_spi_write_reg_16(struct device *dev,
- u16 reg_address,
- u16 val)
-{
- return ade7854_spi_write_reg(dev, reg_address, val, DATA_SIZE_16_BITS);
-}
-
-static int ade7854_spi_write_reg_24(struct device *dev,
- u16 reg_address,
- u32 val)
-{
- return ade7854_spi_write_reg(dev, reg_address, val, DATA_SIZE_24_BITS);
-}
-
-static int ade7854_spi_write_reg_32(struct device *dev,
- u16 reg_address,
- u32 val)
-{
- return ade7854_spi_write_reg(dev, reg_address, val, DATA_SIZE_32_BITS);
-}
-
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..4aa7c6ce0016 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, DATA_SIZE_8_BITS);
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, DATA_SIZE_16_BITS);
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, DATA_SIZE_24_BITS);
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, DATA_SIZE_32_BITS);
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, DATA_SIZE_16_BITS);
}
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, DATA_SIZE_32_BITS);
}
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 71bdd638f348..aa29faf7c91f 100644
--- a/drivers/staging/iio/meter/ade7854.h
+++ b/drivers/staging/iio/meter/ade7854.h
@@ -152,7 +152,8 @@ enum data_size {
/**
* 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
@@ -165,10 +166,8 @@ 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 type);
int irq;
struct mutex buf_lock;
u8 tx[ADE7854_MAX_TX] ____cacheline_aligned;
--
2.16.2
next prev parent reply other threads:[~2018-03-16 22:49 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-16 22:48 [PATCH v2 0/8] staging:iio:ade7854: Cleanup on I2C/SPI code Rodrigo Siqueira
2018-03-16 22:48 ` Rodrigo Siqueira
2018-03-16 22:48 ` [PATCH v2 1/8] staging:iio:ade7854: Fix error handling on read/write Rodrigo Siqueira
2018-03-16 22:48 ` Rodrigo Siqueira
2018-03-18 9:45 ` Jonathan Cameron
2018-03-18 9:45 ` Jonathan Cameron
2018-03-20 1:53 ` Rodrigo Siqueira
2018-03-20 1:53 ` Rodrigo Siqueira
2018-03-16 22:48 ` [PATCH v2 2/8] staging:iio:ade7854: Fix the wrong number of bits to read Rodrigo Siqueira
2018-03-16 22:48 ` Rodrigo Siqueira
2018-03-18 9:48 ` Jonathan Cameron
2018-03-18 9:48 ` Jonathan Cameron
2018-03-16 22:49 ` [PATCH v2 3/8] staging:iio:ade7854: Rework I2C write function Rodrigo Siqueira
2018-03-16 22:49 ` Rodrigo Siqueira
2018-03-18 9:56 ` Jonathan Cameron
2018-03-18 9:56 ` Jonathan Cameron
2018-03-16 22:49 ` [PATCH v2 4/8] staging:iio:ade7854: Rework SPI " Rodrigo Siqueira
2018-03-16 22:49 ` Rodrigo Siqueira
2018-03-18 9:57 ` Jonathan Cameron
2018-03-18 9:57 ` Jonathan Cameron
2018-03-16 22:49 ` Rodrigo Siqueira [this message]
2018-03-16 22:49 ` [PATCH v2 5/8] staging:iio:ade7854: Replace many functions for one function Rodrigo Siqueira
2018-03-18 9:58 ` Jonathan Cameron
2018-03-18 9:58 ` Jonathan Cameron
2018-03-16 22:49 ` [PATCH v2 6/8] staging:iio:ade7854: Rework I2C read function Rodrigo Siqueira
2018-03-16 22:49 ` Rodrigo Siqueira
2018-03-18 10:00 ` Jonathan Cameron
2018-03-18 10:00 ` Jonathan Cameron
2018-03-16 22:50 ` [PATCH v2 7/8] staging:iio:ade7854: Rework SPI " Rodrigo Siqueira
2018-03-16 22:50 ` Rodrigo Siqueira
2018-03-16 22:50 ` [PATCH v2 8/8] staging:iio:ade7854: Remove read_reg_* duplications Rodrigo Siqueira
2018-03-16 22:50 ` Rodrigo Siqueira
2018-03-18 10:05 ` Jonathan Cameron
2018-03-18 10:05 ` Jonathan Cameron
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