A new helper is available, so use it. Inspecting 'users' member of input_dev requires taking device's mutex. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxxxx> --- drivers/iio/adc/exynos_adc.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/iio/adc/exynos_adc.c b/drivers/iio/adc/exynos_adc.c index 22131a677445..1253d94089a7 100644 --- a/drivers/iio/adc/exynos_adc.c +++ b/drivers/iio/adc/exynos_adc.c @@ -630,10 +630,13 @@ static irqreturn_t exynos_ts_isr(int irq, void *dev_id) struct exynos_adc *info = dev_id; struct iio_dev *dev = dev_get_drvdata(info->dev); u32 x, y; - bool pressed; + bool pressed, cont; int ret; - while (info->input->users) { + mutex_lock(&info->input); + cont = input_device_enabled(info->input); + mutex_unlock(&info->input); + while (cont) { ret = exynos_read_s3c64xx_ts(dev, &x, &y); if (ret == -ETIMEDOUT) break; @@ -651,6 +654,10 @@ static irqreturn_t exynos_ts_isr(int irq, void *dev_id) input_sync(info->input); usleep_range(1000, 1100); + + mutex_lock(&info->input); + cont = input_device_enabled(info->input); + mutex_unlock(&info->input); } writel(0, ADC_V1_CLRINTPNDNUP(info->regs)); -- 2.17.1