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@xxxxxxxxxx> Cc: J Keerthy <j-keerthy@xxxxxx> Cc: Mikko Ylinen <mikko.k.ylinen@xxxxxxxxx> Cc: Amit Kucheria <amit.kucheria@xxxxxxxxxxxxx> Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx> --- 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