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authorLee Jones <lee.jones@linaro.org>2020-07-17 17:55:09 +0100
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2020-07-20 09:03:11 +0100
commitf83d87a0d6f143b7c452e3841ea7cd1bcc1ea8d9 (patch)
treea890d4b494f73dce4d9c26726fb520a1d9d30027
parent0d674449f4119d3e3473d3f8d3072e68deb3b219 (diff)
iio: adc: ti_am335x_adc: Remove a couple of unused 'read' variables
Fixes the following W=1 kernel build warning(s): drivers/iio/adc/ti_am335x_adc.c: In function ‘tiadc_buffer_preenable’: drivers/iio/adc/ti_am335x_adc.c:297:21: warning: variable ‘read’ set but not used [-Wunused-but-set-variable] 297 | int i, fifo1count, read; | ^~~~ drivers/iio/adc/ti_am335x_adc.c: In function ‘tiadc_buffer_predisable’: drivers/iio/adc/ti_am335x_adc.c:346:21: warning: variable ‘read’ set but not used [-Wunused-but-set-variable] 346 | int fifo1count, i, read; | ^~~~ Cc: Rachna Patil <rachna@ti.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
-rw-r--r--drivers/iio/adc/ti_am335x_adc.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c
index 93ea32b2f883..b11c8c47ba2a 100644
--- a/drivers/iio/adc/ti_am335x_adc.c
+++ b/drivers/iio/adc/ti_am335x_adc.c
@@ -294,7 +294,7 @@ static int tiadc_start_dma(struct iio_dev *indio_dev)
static int tiadc_buffer_preenable(struct iio_dev *indio_dev)
{
struct tiadc_device *adc_dev = iio_priv(indio_dev);
- int i, fifo1count, read;
+ int i, fifo1count;
tiadc_writel(adc_dev, REG_IRQCLR, (IRQENB_FIFO1THRES |
IRQENB_FIFO1OVRRUN |
@@ -303,7 +303,7 @@ static int tiadc_buffer_preenable(struct iio_dev *indio_dev)
/* Flush FIFO. Needed in corner cases in simultaneous tsc/adc use */
fifo1count = tiadc_readl(adc_dev, REG_FIFO1CNT);
for (i = 0; i < fifo1count; i++)
- read = tiadc_readl(adc_dev, REG_FIFO1);
+ tiadc_readl(adc_dev, REG_FIFO1);
return 0;
}
@@ -343,7 +343,7 @@ static int tiadc_buffer_predisable(struct iio_dev *indio_dev)
{
struct tiadc_device *adc_dev = iio_priv(indio_dev);
struct tiadc_dma *dma = &adc_dev->dma;
- int fifo1count, i, read;
+ int fifo1count, i;
tiadc_writel(adc_dev, REG_IRQCLR, (IRQENB_FIFO1THRES |
IRQENB_FIFO1OVRRUN | IRQENB_FIFO1UNDRFLW));
@@ -358,7 +358,7 @@ static int tiadc_buffer_predisable(struct iio_dev *indio_dev)
/* Flush FIFO of leftover data in the time it takes to disable adc */
fifo1count = tiadc_readl(adc_dev, REG_FIFO1CNT);
for (i = 0; i < fifo1count; i++)
- read = tiadc_readl(adc_dev, REG_FIFO1);
+ tiadc_readl(adc_dev, REG_FIFO1);
return 0;
}