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Tue, 03 Mar 2026 05:47:44 -0800 (PST) Received: from junjungu-PC.localdomain ([2408:820c:9009:3f2:f9d2:c148:3305:e3bf]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ae3d1b2c5esm101535245ad.6.2026.03.03.05.47.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Mar 2026 05:47:43 -0800 (PST) From: Felix Gu Date: Tue, 03 Mar 2026 21:47:33 +0800 Subject: [PATCH v2] iio: adc: ti-ads1119: Reinit completion before wait_for_completion_timeout() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260303-ti-ads1119-1-v2-1-3badba8737f3@gmail.com> X-B4-Tracking: v=1; b=H4sIAHTmpmkC/3WMQQqDMBBFryKzbkomERu78h7FRUhGHaimJBJaJ Hdv6r6bD+/DewckikwJ7s0BkTInDlsFdWnALXabSbCvDEqqTmqpxc7C+oSIvUDhXGdIO4k3o6E qr0gTv8/cY6y8cNpD/Jz1jL/3TyhjHdKTIy9Nb9t2mFfLz6sLK4yllC/Dr+OAqAAAAA== X-Change-ID: 20260303-ti-ads1119-1-cc68e3c01783 To: Francesco Dolcini , =?utf-8?q?Jo=C3=A3o_Paulo_Gon=C3=A7alves?= , Jonathan Cameron , David Lechner , =?utf-8?q?Nuno_S=C3=A1?= , Andy Shevchenko Cc: Jonathan Cameron , =?utf-8?q?Jo=C3=A3o_Paulo_Gon=C3=A7alves?= , Francesco Dolcini , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Felix Gu X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1772545657; l=1115; i=ustc.gu@gmail.com; h=from:subject:message-id; bh=/p1xCSK5FThphEim6HkaSU/vJIAnaM1raetdYl9rcRU=; b=+uTxiOyiVuUKuPbAnkyMIQq99eSk0jWaXxVVUL2k1UcVJWna5bfq2sA6fLwrDvSKMa1pmAtHG dlpY46hAP47Ad4ytYgWFMf6HOIvmR+4aIxsEl0lYoxkDFV1i7vER7uC X-Developer-Key: i=ustc.gu@gmail.com; a=ed25519; pk=fjUXwmjchVN7Ja6KGP55IXOzFeCl9edaHoQIEUA+/hw= 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 Reviewed-by: Francesco Dolcini --- Changes in v2: - Fix Jonathan's comment. - Link to v1: https://lore.kernel.org/r/20260303-ti-ads1119-1-v1-1-e3fced08= 9a44@gmail.com --- drivers/iio/adc/ti-ads1119.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/iio/adc/ti-ads1119.c b/drivers/iio/adc/ti-ads1119.c index c9cedc59cdcd..049cdb108dad 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_sta= te *st, if (ret) goto pdown; =20 + if (st->client->irq) + reinit_completion(&st->completion); + ret =3D i2c_smbus_write_byte(st->client, ADS1119_CMD_START_SYNC); if (ret) goto pdown; --- base-commit: 3fa5e5702a82d259897bd7e209469bc06368bf31 change-id: 20260303-ti-ads1119-1-cc68e3c01783 Best regards, --=20 Felix Gu