From: Felix Gu <ustc.gu@gmail.com>
Date: Tue, 3 Mar 2026 13:47:33 +0000 (+0800)
Subject: iio: adc: ti-ads1119: Reinit completion before wait_for_completion_timeout()
X-Git-Tag: v7.0-rc7~8^2~25^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2f168094177f8553a36046afce139001801ca917;p=thirdparty%2Fkernel%2Flinux.git

iio: adc: ti-ads1119: Reinit completion before wait_for_completion_timeout()

The completion is not reinit before wait_for_completion_timeout(),
so wait_for_completion_timeout() will return immediately after
the first successful completion.

Fixes: a9306887eba4 ("iio: adc: ti-ads1119: Add driver")
Signed-off-by: Felix Gu <ustc.gu@gmail.com>
Reviewed-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---

diff --git a/drivers/iio/adc/ti-ads1119.c b/drivers/iio/adc/ti-ads1119.c
index 7f771c7023b8..79be71b4de96 100644
--- a/drivers/iio/adc/ti-ads1119.c
+++ b/drivers/iio/adc/ti-ads1119.c
@@ -280,6 +280,9 @@ static int ads1119_single_conversion(struct ads1119_state *st,
 	if (ret)
 		goto pdown;
 
+	if (st->client->irq)
+		reinit_completion(&st->completion);
+
 	ret = i2c_smbus_write_byte(st->client, ADS1119_CMD_START_SYNC);
 	if (ret)
 		goto pdown;