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staging:iio:adc:lpc32xx Apply consistent prefix to local defines 

There was a bit of a random mixture going on here so change all prefixes
to LPC32XXAD_

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Jonathan Cameron 2017-02-05 13:06:58 +00:00
parent af8f651b39
commit 5023574adc
1 changed files with 29 additions and 25 deletions
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54
drivers/staging/iio/adc/lpc32xx_adc.c
View File

@ -38,25 +38,28 @@
/*
* LPC32XX registers definitions
*/
#define LPC32XX_ADC_SELECT(x) ((x) + 0x04)
#define LPC32XX_ADC_CTRL(x) ((x) + 0x08)
#define LPC32XX_ADC_VALUE(x) ((x) + 0x48)
#define LPC32XXAD_SELECT(x) ((x) + 0x04)
#define LPC32XXAD_CTRL(x) ((x) + 0x08)
#define LPC32XXAD_VALUE(x) ((x) + 0x48)
/* Bit definitions for LPC32XX_ADC_SELECT: */
#define AD_REFm 0x00000200 /* constant, always write this value! */
#define AD_REFp 0x00000080 /* constant, always write this value! */
#define AD_IN 0x00000010 /* multiple of this is the */
/* channel number: 0, 1, 2 */
#define AD_INTERNAL 0x00000004 /* constant, always write this value! */
/* Bit definitions for LPC32XXAD_SELECT: */
/* constant, always write this value! */
#define LPC32XXAD_REFm 0x00000200
/* constant, always write this value! */
#define LPC32XXAD_REFp 0x00000080
/* multiple of this is the channel number: 0, 1, 2 */
#define LPC32XXAD_IN 0x00000010
/* constant, always write this value! */
#define LPC32XXAD_INTERNAL 0x00000004
/* Bit definitions for LPC32XX_ADC_CTRL: */
#define AD_STROBE 0x00000002
#define AD_PDN_CTRL 0x00000004
/* Bit definitions for LPC32XXAD_CTRL: */
#define LPC32XXAD_STROBE 0x00000002
#define LPC32XXAD_PDN_CTRL 0x00000004
/* Bit definitions for LPC32XX_ADC_VALUE: */
#define ADC_VALUE_MASK 0x000003FF
/* Bit definitions for LPC32XXAD_VALUE: */
#define LPC32XXAD_VALUE_MASK 0x000003FF
#define MOD_NAME "lpc32xx-adc"
#define LPC32XXAD_NAME "lpc32xx-adc"
struct lpc32xx_adc_info {
void __iomem *adc_base;
@ -78,11 +81,12 @@ static int lpc32xx_read_raw(struct iio_dev *indio_dev,
mutex_lock(&indio_dev->mlock);
clk_prepare_enable(info->clk);
/* Measurement setup */
__raw_writel(AD_INTERNAL | (chan->address) | AD_REFp | AD_REFm,
LPC32XX_ADC_SELECT(info->adc_base));
__raw_writel(LPC32XXAD_INTERNAL | (chan->address) |
LPC32XXAD_REFp | LPC32XXAD_REFm,
LPC32XXAD_SELECT(info->adc_base));
/* Trigger conversion */
__raw_writel(AD_PDN_CTRL | AD_STROBE,
LPC32XX_ADC_CTRL(info->adc_base));
__raw_writel(LPC32XXAD_PDN_CTRL | LPC32XXAD_STROBE,
LPC32XXAD_CTRL(info->adc_base));
wait_for_completion(&info->completion); /* set by ISR */
clk_disable_unprepare(info->clk);
*val = info->value;
@ -104,7 +108,7 @@ static const struct iio_info lpc32xx_adc_iio_info = {
.indexed = 1, \
.channel = _index, \
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
.address = AD_IN * _index, \
.address = LPC32XXAD_IN * _index, \
.scan_index = _index, \
}
@ -119,8 +123,8 @@ static irqreturn_t lpc32xx_adc_isr(int irq, void *dev_id)
struct lpc32xx_adc_info *info = dev_id;
/* Read value and clear irq */
info->value = __raw_readl(LPC32XX_ADC_VALUE(info->adc_base)) &
ADC_VALUE_MASK;
info->value = __raw_readl(LPC32XXAD_VALUE(info->adc_base)) &
LPC32XXAD_VALUE_MASK;
complete(&info->completion);
return IRQ_HANDLED;
@ -166,7 +170,7 @@ static int lpc32xx_adc_probe(struct platform_device *pdev)
}
retval = devm_request_irq(&pdev->dev, irq, lpc32xx_adc_isr, 0,
MOD_NAME, info);
LPC32XXAD_NAME, info);
if (retval < 0) {
dev_err(&pdev->dev, "failed requesting interrupt\n");
return retval;
@ -176,7 +180,7 @@ static int lpc32xx_adc_probe(struct platform_device *pdev)
init_completion(&info->completion);
iodev->name = MOD_NAME;
iodev->name = LPC32XXAD_NAME;
iodev->dev.parent = &pdev->dev;
iodev->info = &lpc32xx_adc_iio_info;
iodev->modes = INDIO_DIRECT_MODE;
@ -203,7 +207,7 @@ MODULE_DEVICE_TABLE(of, lpc32xx_adc_match);
static struct platform_driver lpc32xx_adc_driver = {
.probe = lpc32xx_adc_probe,
.driver = {
.name = MOD_NAME,
.name = LPC32XXAD_NAME,
.of_match_table = of_match_ptr(lpc32xx_adc_match),
},
};