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Mon, 02 Mar 2026 08:48:52 -0800 (PST) Received: from junjungu-PC.localdomain ([2408:820c:9009:3f2:4c92:fc5c:54e5:712e]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82739ff1ca9sm12989131b3a.36.2026.03.02.08.48.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Mar 2026 08:48:52 -0800 (PST) From: Felix Gu Date: Tue, 03 Mar 2026 00:48:45 +0800 Subject: [PATCH] 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-v1-1-e3fced089a44@gmail.com> X-B4-Tracking: v=1; b=H4sIAGy/pWkC/x3MQQqAIBBA0avErBtwFMy6SrQQnWo2FhoRSHdPW r7F/xUKZ+ECU1ch8y1FjtRAfQdh92ljlNgMWmmrjDJ4CfpYiGhEwhCsYxMUDc5AS87Mqzz/bl7 e9wM3yd7kXgAAAA== 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=1772470127; l=970; i=ustc.gu@gmail.com; h=from:subject:message-id; bh=gKm440SgNerZmvPNnlS2Mmv9ijDProXMeYZKywgDquo=; b=RO3fr3iCgEBzczA6xeNsvCu+F8sCK1JUI94fpU1MqdtdZlr92P/7gZduQkmf57Xyu5kYQyaSR Pt2sJQ6tIycD2EOEe4WcyvvzpUTYZo+ybJowR0we2NyI1ag0VYuLaX2 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 --- 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..75dbb469fa27 100644 --- a/drivers/iio/adc/ti-ads1119.c +++ b/drivers/iio/adc/ti-ads1119.c @@ -276,6 +276,9 @@ 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 ads1119_configure_channel(st, mux, gain, datarate); if (ret) goto pdown; --- base-commit: 3fa5e5702a82d259897bd7e209469bc06368bf31 change-id: 20260303-ti-ads1119-1-cc68e3c01783 Best regards, --=20 Felix Gu