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Date: Thu, 10 Sep 2015 09:43:51 +0530 From: Shraddha Barke <shraddha.6596@...il.com> To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Lars-Peter Clausen <lars@...afoo.de>, Jonathan Cameron <jic23@...nel.org>, Peter Meerwald <pmeerw@...erw.net>, Hartmut Knaack <knaack.h@....de>, linux-kernel@...r.kernel.org, Julia Lawall <julia.lawall@...6.fr> Cc: Shraddha Barke <shraddha.6596@...il.com> Subject: [PATCH 3/6] Staging: iio: meter: Prefer using the BIT macro This patch replaces bit shifting on 1 with the BIT(x) macro as it's extensively used by other function in this driver. This was done with coccinelle: @@ int g; @@ -(1 << g) +BIT(g) Signed-off-by: Shraddha Barke <shraddha.6596@...il.com> --- drivers/staging/iio/meter/ade7753.c | 8 ++++---- drivers/staging/iio/meter/ade7754.c | 6 +++--- drivers/staging/iio/meter/ade7758_core.c | 6 +++--- drivers/staging/iio/meter/ade7759.c | 8 ++++---- drivers/staging/iio/meter/ade7854.c | 6 +++--- 5 files changed, 17 insertions(+), 17 deletions(-) diff --git a/drivers/staging/iio/meter/ade7753.c b/drivers/staging/iio/meter/ade7753.c index ffc7f0d..3d2e50c 100644 --- a/drivers/staging/iio/meter/ade7753.c +++ b/drivers/staging/iio/meter/ade7753.c @@ -219,7 +219,7 @@ static int ade7753_reset(struct device *dev) u16 val; ade7753_spi_read_reg_16(dev, ADE7753_MODE, &val); - val |= 1 << 6; /* Software Chip Reset */ + val |= BIT(6); /* Software Chip Reset */ return ade7753_spi_write_reg_16(dev, ADE7753_MODE, val); } @@ -328,10 +328,10 @@ static int ade7753_set_irq(struct device *dev, bool enable) goto error_ret; if (enable) - irqen |= 1 << 3; /* Enables an interrupt when a data is + irqen |= BIT(3); /* Enables an interrupt when a data is present in the waveform register */ else - irqen &= ~(1 << 3); + irqen &= ~BIT(3); ret = ade7753_spi_write_reg_8(dev, ADE7753_IRQEN, irqen); @@ -345,7 +345,7 @@ static int ade7753_stop_device(struct device *dev) u16 val; ade7753_spi_read_reg_16(dev, ADE7753_MODE, &val); - val |= 1 << 4; /* AD converters can be turned off */ + val |= BIT(4); /* AD converters can be turned off */ return ade7753_spi_write_reg_16(dev, ADE7753_MODE, val); } diff --git a/drivers/staging/iio/meter/ade7754.c b/drivers/staging/iio/meter/ade7754.c index f12b2e5..8552c76 100644 --- a/drivers/staging/iio/meter/ade7754.c +++ b/drivers/staging/iio/meter/ade7754.c @@ -223,7 +223,7 @@ static int ade7754_reset(struct device *dev) if (ret < 0) return ret; - val |= 1 << 6; /* Software Chip Reset */ + val |= BIT(6); /* Software Chip Reset */ return ade7754_spi_write_reg_8(dev, ADE7754_OPMODE, val); } @@ -350,10 +350,10 @@ static int ade7754_set_irq(struct device *dev, bool enable) goto error_ret; if (enable) - irqen |= 1 << 14; /* Enables an interrupt when a data is + irqen |= BIT(14); /* Enables an interrupt when a data is present in the waveform register */ else - irqen &= ~(1 << 14); + irqen &= ~BIT(14); ret = ade7754_spi_write_reg_16(dev, ADE7754_IRQEN, irqen); if (ret) diff --git a/drivers/staging/iio/meter/ade7758_core.c b/drivers/staging/iio/meter/ade7758_core.c index 77141ae..3883808 100644 --- a/drivers/staging/iio/meter/ade7758_core.c +++ b/drivers/staging/iio/meter/ade7758_core.c @@ -308,7 +308,7 @@ static int ade7758_reset(struct device *dev) dev_err(dev, "Failed to read opmode reg\n"); return ret; } - val |= 1 << 6; /* Software Chip Reset */ + val |= BIT(6); /* Software Chip Reset */ ret = ade7758_spi_write_reg_8(dev, ADE7758_OPMODE, val); if (ret < 0) dev_err(dev, "Failed to write opmode reg\n"); @@ -426,10 +426,10 @@ int ade7758_set_irq(struct device *dev, bool enable) goto error_ret; if (enable) - irqen |= 1 << 16; /* Enables an interrupt when a data is + irqen |= BIT(16); /* Enables an interrupt when a data is present in the waveform register */ else - irqen &= ~(1 << 16); + irqen &= ~BIT(16); ret = ade7758_spi_write_reg_24(dev, ADE7758_MASK, irqen); if (ret) diff --git a/drivers/staging/iio/meter/ade7759.c b/drivers/staging/iio/meter/ade7759.c index dbceda1..23e7392 100644 --- a/drivers/staging/iio/meter/ade7759.c +++ b/drivers/staging/iio/meter/ade7759.c @@ -224,7 +224,7 @@ static int ade7759_reset(struct device *dev) if (ret < 0) return ret; - val |= 1 << 6; /* Software Chip Reset */ + val |= BIT(6); /* Software Chip Reset */ return ade7759_spi_write_reg_16(dev, ADE7759_MODE, val); @@ -288,10 +288,10 @@ static int ade7759_set_irq(struct device *dev, bool enable) goto error_ret; if (enable) - irqen |= 1 << 3; /* Enables an interrupt when a data is + irqen |= BIT(3); /* Enables an interrupt when a data is present in the waveform register */ else - irqen &= ~(1 << 3); + irqen &= ~BIT(3); ret = ade7759_spi_write_reg_8(dev, ADE7759_IRQEN, irqen); @@ -314,7 +314,7 @@ static int ade7759_stop_device(struct device *dev) return ret; } - val |= 1 << 4; /* AD converters can be turned off */ + val |= BIT(4); /* AD converters can be turned off */ return ade7759_spi_write_reg_16(dev, ADE7759_MODE, val); } diff --git a/drivers/staging/iio/meter/ade7854.c b/drivers/staging/iio/meter/ade7854.c index d620bbd..a838835 100644 --- a/drivers/staging/iio/meter/ade7854.c +++ b/drivers/staging/iio/meter/ade7854.c @@ -181,7 +181,7 @@ static int ade7854_reset(struct device *dev) u16 val; st->read_reg_16(dev, ADE7854_CONFIG, &val); - val |= 1 << 7; /* Software Chip Reset */ + val |= BIT(7); /* Software Chip Reset */ return st->write_reg_16(dev, ADE7854_CONFIG, val); } @@ -420,10 +420,10 @@ static int ade7854_set_irq(struct device *dev, bool enable) goto error_ret; if (enable) - irqen |= 1 << 17; /* 1: interrupt enabled when all periodical + irqen |= BIT(17); /* 1: interrupt enabled when all periodical (at 8 kHz rate) DSP computations finish. */ else - irqen &= ~(1 << 17); + irqen &= ~BIT(17); ret = st->write_reg_32(dev, ADE7854_MASK0, irqen); if (ret) -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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