From f83d87a0d6f143b7c452e3841ea7cd1bcc1ea8d9 Mon Sep 17 00:00:00 2001 From: Lee Jones Date: Fri, 17 Jul 2020 17:55:09 +0100 Subject: [PATCH] iio: adc: ti_am335x_adc: Remove a couple of unused 'read' variables MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 Signed-off-by: Lee Jones Signed-off-by: Jonathan Cameron --- drivers/iio/adc/ti_am335x_adc.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c index 93ea32b..b11c8c4 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; } -- 2.7.4