linux-kernel - [PATCH 02/30] iio: adc: twl4030-madc: Remove set but unused variables 'len'

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Message-Id: <20200717165538.3275050-3-lee.jones@linaro.org>
Date:   Fri, 17 Jul 2020 17:55:10 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     jic23@...nel.org, knaack.h@....de, lars@...afoo.de,
        pmeerw@...erw.net
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-iio@...r.kernel.org, Lee Jones <lee.jones@...aro.org>,
        Sebastian Reichel <sre@...nel.org>,
        J Keerthy <j-keerthy@...com>,
        Mikko Ylinen <mikko.k.ylinen@...ia.com>,
        Amit Kucheria <amit.kucheria@...onical.com>
Subject: [PATCH 02/30] iio: adc: twl4030-madc: Remove set but unused variables 'len'

Fixes the following W=1 kernel build warning(s):

 drivers/iio/adc/twl4030-madc.c: In function ‘twl4030_madc_threaded_irq_handler’:
 drivers/iio/adc/twl4030-madc.c:475:9: warning: variable ‘len’ set but not used [-Wunused-but-set-variable]
 475 | int i, len, ret;
 | ^~~

Cc: Sebastian Reichel <sre@...nel.org>
Cc: J Keerthy <j-keerthy@...com>
Cc: Mikko Ylinen <mikko.k.ylinen@...ia.com>
Cc: Amit Kucheria <amit.kucheria@...onical.com>
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 drivers/iio/adc/twl4030-madc.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/iio/adc/twl4030-madc.c b/drivers/iio/adc/twl4030-madc.c
index 472b08f37feae..826d8295e9b3c 100644
--- a/drivers/iio/adc/twl4030-madc.c
+++ b/drivers/iio/adc/twl4030-madc.c
@@ -472,7 +472,7 @@ static irqreturn_t twl4030_madc_threaded_irq_handler(int irq, void *_madc)
 	struct twl4030_madc_data *madc = _madc;
 	const struct twl4030_madc_conversion_method *method;
 	u8 isr_val, imr_val;
-	int i, len, ret;
+	int i, ret;
 	struct twl4030_madc_request *r;
 
 	mutex_lock(&madc->lock);
@@ -504,8 +504,8 @@ static irqreturn_t twl4030_madc_threaded_irq_handler(int irq, void *_madc)
 			continue;
 		method = &twl4030_conversion_methods[r->method];
 		/* Read results */
-		len = twl4030_madc_read_channels(madc, method->rbase,
-						 r->channels, r->rbuf, r->raw);
+		twl4030_madc_read_channels(madc, method->rbase,
+					   r->channels, r->rbuf, r->raw);
 		/* Free request */
 		r->result_pending = false;
 		r->active = false;
@@ -525,8 +525,8 @@ static irqreturn_t twl4030_madc_threaded_irq_handler(int irq, void *_madc)
 			continue;
 		method = &twl4030_conversion_methods[r->method];
 		/* Read results */
-		len = twl4030_madc_read_channels(madc, method->rbase,
-						 r->channels, r->rbuf, r->raw);
+		twl4030_madc_read_channels(madc, method->rbase,
+					   r->channels, r->rbuf, r->raw);
 		/* Free request */
 		r->result_pending = false;
 		r->active = false;
-- 
2.25.1