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No functional change. Signed-off-by: Joshua Crofts --- drivers/iio/magnetometer/ak8975.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/a= k8975.c index 44782c26698..569cd6fa839 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -7,23 +7,23 @@ * Copyright (c) 2010, NVIDIA Corporation. */ =20 -#include -#include -#include -#include +#include +#include +#include +#include #include #include -#include +#include +#include +#include #include -#include -#include -#include -#include #include +#include +#include =20 +#include #include #include -#include #include #include #include --=20 2.47.3 From nobody Wed Jun 17 03:58:51 2026 Received: from mail-ed1-f47.google.com (mail-ed1-f47.google.com [209.85.208.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4E0D83CF67A for ; 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[34.141.236.25]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ba6366452c6sm395156866b.11.2026.04.22.04.22.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Apr 2026 04:22:11 -0700 (PDT) From: Joshua Crofts To: jic23@kernel.org Cc: dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 2/6] iio: magnetometer: ak8975: remove unused headers Date: Wed, 22 Apr 2026 11:22:03 +0000 Message-ID: <20260422112207.1313-3-joshua.crofts1@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260422112207.1313-1-joshua.crofts1@gmail.com> References: <20260422112207.1313-1-joshua.crofts1@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Remove kernel.h proxy header and unused headers (slab.h, iio/sysfs.h, iio/trigger.h). Add missing headers to ensure atomicity (array_size.h, dev_printk.h, asm/byteorder.h, irqreturn.h, minmax.h, property.h, types.h, wait.h). Audited using the include-what-you-use tool. Signed-off-by: Joshua Crofts --- drivers/iio/magnetometer/ak8975.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/a= k8975.c index 569cd6fa839..2c2ed2063f8 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -7,24 +7,29 @@ * Copyright (c) 2010, NVIDIA Corporation. */ =20 +#include #include #include +#include #include #include #include #include -#include +#include +#include #include #include #include #include +#include #include -#include +#include +#include + +#include =20 #include #include -#include -#include #include #include =20 --=20 2.47.3 From nobody Wed Jun 17 03:58:51 2026 Received: from mail-ed1-f45.google.com (mail-ed1-f45.google.com [209.85.208.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E981F3CFF65 for ; Wed, 22 Apr 2026 11:22:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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[34.141.236.25]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ba6366452c6sm395156866b.11.2026.04.22.04.22.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Apr 2026 04:22:12 -0700 (PDT) From: Joshua Crofts To: jic23@kernel.org Cc: dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 3/6] iio: magnetometer: ak8975: replace usleep_range() with fsleep() Date: Wed, 22 Apr 2026 11:22:04 +0000 Message-ID: <20260422112207.1313-4-joshua.crofts1@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260422112207.1313-1-joshua.crofts1@gmail.com> References: <20260422112207.1313-1-joshua.crofts1@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Replace usleep_range() calls with fsleep(), passing the minimum value required by the sensor for hardware delays. fsleep() automatically selects the optimal sleep mechanism, simplifying driver code and time management. Signed-off-by: Joshua Crofts --- drivers/iio/magnetometer/ak8975.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/a= k8975.c index 2c2ed2063f8..ccd71bfc8e1 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -461,7 +461,8 @@ static int ak8975_power_on(const struct ak8975_data *da= ta) * and the minimum wait time before mode setting is 100us, in * total 300us. Add some margin and say minimum 500us here. */ - usleep_range(500, 1000); + fsleep(500); + return 0; } =20 @@ -551,7 +552,7 @@ static int ak8975_set_mode(struct ak8975_data *data, en= um ak_ctrl_mode mode) =20 data->cntl_cache =3D regval; /* After mode change wait at least 100us */ - usleep_range(100, 500); + fsleep(100); =20 return 0; } --=20 2.47.3 From nobody Wed Jun 17 03:58:51 2026 Received: from mail-ej1-f41.google.com (mail-ej1-f41.google.com [209.85.218.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9AB763D0908 for ; Wed, 22 Apr 2026 11:22:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.41 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776856937; cv=none; b=VFF6HEYYS5P7lgeRiAXp44l026KG8TfODUaxYEvEyw7AfFc03hef1XPKQO/w0oiLEJPBha2Y7fNW/U8m3Dt1zENGwqB7oC+pl59k+clfOtJVBQ8FbnDhstTcZv0yWDVdgijAtk4VhwxFs5xJPvE24dxxKosuCR3Bycj39qYXCpM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776856937; c=relaxed/simple; bh=FXkg1mDV4oShaRG/em7GPYrPJkJsnXYd+nfmQQqhljQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=jnJW16LDBbSHYuG8XYjRqocX/bf0jpR+I1OzMwUBxGIiStmvHFoXNw2zWHwOMTQb0/CjDRkRfBCubi1DxYGl1tru/jTl7W120uFyk8HFi4j4wSnOJGoysOCCNSm1Be5RnTxBwUuSPg0svpUVukj+Op28Vrq4JHoH1dDFqPeTyRQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=Gvh+nLlk; arc=none smtp.client-ip=209.85.218.41 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Gvh+nLlk" Received: by mail-ej1-f41.google.com with SMTP id a640c23a62f3a-b9358bc9c50so704717666b.1 for ; Wed, 22 Apr 2026 04:22:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1776856934; x=1777461734; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=1c9LXgbLAuQ4e0T++vPNz0EYWZY1AH5pL6BoRfnQbtw=; b=Gvh+nLlk0RTy8xlUOvrZMfmVdaPAWcqs/9ynOsws0diCAJVUu0d7yAlSrmNK1LoO/F MsAaeA/jRCo/b+AxAUI4zIGh7iw5zX+68na2+C9uNdKe2JPOpFy1MDCMjHQVxS0OW5kG 6m8qpnbSiClVRShYr2nLM0JRVY2IcnLJd3rnyso+QgzRDo0xokG1jJvBlwIFcgyc75IZ v0FGaNj15n1a1qgYwuiYYE4IJ1jRXw41hpX6pRA2IKhf3Wv5lWlyke5N70E0em5jeYH9 NP27JR3RKHlGirqut3orX9t6wpRExw/Nu8gLipjBCfxlOd6bp8YW1WZaOshejw+APZbj ZLVg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1776856934; x=1777461734; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=1c9LXgbLAuQ4e0T++vPNz0EYWZY1AH5pL6BoRfnQbtw=; b=Cj5X1ZzClU2NPNst7/HV1nLwRb1Cuay6vStRI161vTiml4CTyJRpfw058T+L/M7VRB YYKt0w8pKi297vpohWiGTHnm4FEzp8uKGfqVMh7TCa2tkY5TZJ6ljGqxXwTfZPIuQL+c 8necd1pr4G76ALdPD0SCXzTLP6IfZxyODBjWYpIscBoUm3uC5wKea/chZ5CoEs0U8cfx /B54IkB6V5gxv0P7tlaFi3OKSPaezmTH5yglAmmoxIPzKS+3GrENbGKcgPIC+oQRnUlD MTPpcft5o2yiZGmGOE/6LoR4htl/4Mtowp1hA64ceg2a+8/UDTsdryKgSnLLDxywDkqF YsMg== X-Forwarded-Encrypted: i=1; AFNElJ80PSL5lxCcrbLtI/cFFufGrGutipl9uXkHBi2p9zsrU7MmY7z9SsHDAff7tmoV1Z0rSUpuB7A+b/GrB6w=@vger.kernel.org X-Gm-Message-State: AOJu0YwLnWIB43HLJmI5a9kGBrZti8da5hnNY90iNjxS5QWZEyELjIt8 h8bdS6T+sxYJ8BkQOkxE3TUVcxa1DUjJu2UXLfdrDj/VAPdgL6PBx9l0qrPghfmn/QOAAw== X-Gm-Gg: AeBDievRb6NbaLK/EMn2a1znz8FlTUg7VihKqtXaupByvX4e2CRMybilq4RnTTW6EYk DuyCgZRVmKIYQgsC1i94O+z4jhauQsZs4cYIL9iMtM94Y769jnUWDgUAFovffoNwms3OMPqrhIL 8wbUFNUksPGr9Azk9lOA5DdtLf/R9VL7JHHs1wAwlvcBtynGuJopMsJ1xO1TSWnvtU433a0yLeq PDdIC62mlj05fDNK4MLgOCteD29fcSd/wYupKTWXVmx6s3CAuYGzPFSZaJPFbGHsRCjXmm/AbeQ i+NuUiAnp6hJI+hILjG1UddVvajZFohhEmtjuExcMVvGrFJypw+AQG5NU7xYwu2s3haRpzdmSGJ RTLA2oF36uCfgU8j0neSVRArgS8IYW5ap6nWxaC469Cv0ghUMVcuXe/1vhLex5fwQHJ0EktKpu5 OVChgiGNQuYZWEn7GEBE8Y4962WsfeKbbphL/HlWUX90A6u2GzDAmkj5zJ0fl2vwq0DY8sD1Q1U Jxc/J/4Wsyhw8rPKHS4ilyuuSQbL82VWiND6o0FRXDvNiE39DCAFpS7BbXFBae5O2yZhwYhSfvG GC/nnaz6IgcJYOKsIuaLj8/vymwcdu6g8zgkHmysTj7YohNFpYv2j+ldGSBc6bBLkJIh6+xBUF9 zF317Sf12TzP8lLwyo0gQUAyQ721GXeCn/1TyqmaapEzs26xepb+Of6w7GmawtEQpg1ODc51YAZ UC4tgWL/jglQ+4Jzw+EA== X-Received: by 2002:a17:907:3f14:b0:baa:93ac:bd94 with SMTP id a640c23a62f3a-baa93acbeb0mr212935666b.16.1776856933553; Wed, 22 Apr 2026 04:22:13 -0700 (PDT) Received: from cs-280612103108-default.europe-west4-b.c.od237066db22328bb-tp.internal (25.236.141.34.bc.googleusercontent.com. [34.141.236.25]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ba6366452c6sm395156866b.11.2026.04.22.04.22.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Apr 2026 04:22:13 -0700 (PDT) From: Joshua Crofts To: jic23@kernel.org Cc: dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 4/6] iio: magnetometer: ak8975: change 'u8*' to 'u8 *' in cast Date: Wed, 22 Apr 2026 11:22:05 +0000 Message-ID: <20260422112207.1313-5-joshua.crofts1@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260422112207.1313-1-joshua.crofts1@gmail.com> References: <20260422112207.1313-1-joshua.crofts1@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Change 'u8*' cast to 'u8 *' as the former triggers a checkpatch error. Also fix the indentation of parameters in i2c_smbus_read_i2c_block_data_or_emulated() function. No functional change. Signed-off-by: Joshua Crofts --- drivers/iio/magnetometer/ak8975.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/a= k8975.c index ccd71bfc8e1..bceab47e5af 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -759,9 +759,10 @@ static int ak8975_read_axis(struct iio_dev *indio_dev,= int index, int *val) if (ret) goto exit; =20 - ret =3D i2c_smbus_read_i2c_block_data_or_emulated( - client, def->data_regs[index], - sizeof(rval), (u8*)&rval); + ret =3D i2c_smbus_read_i2c_block_data_or_emulated(client, + def->data_regs[index], + sizeof(rval), + (u8 *)&rval); if (ret < 0) goto exit; =20 --=20 2.47.3 From nobody Wed Jun 17 03:58:51 2026 Received: from mail-ej1-f51.google.com (mail-ej1-f51.google.com [209.85.218.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1B0DD3CF687 for ; 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[34.141.236.25]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ba6366452c6sm395156866b.11.2026.04.22.04.22.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Apr 2026 04:22:13 -0700 (PDT) From: Joshua Crofts To: jic23@kernel.org Cc: dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Andy Shevchenko Subject: [PATCH v3 5/6] iio: magnetometer: ak8975: fix wrong errno on return Date: Wed, 22 Apr 2026 11:22:06 +0000 Message-ID: <20260422112207.1313-6-joshua.crofts1@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260422112207.1313-1-joshua.crofts1@gmail.com> References: <20260422112207.1313-1-joshua.crofts1@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The driver currently returns -EINVAL on polling timeout instead of -ETIMEDOUT. Replace return code for -ETIMEDOUT and remove unnecessary error message as error is described enough by error code. Suggested-by: Andy Shevchenko Signed-off-by: Joshua Crofts --- drivers/iio/magnetometer/ak8975.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/a= k8975.c index bceab47e5af..723c2f64b8e 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -662,10 +662,8 @@ static int wait_conversion_complete_gpio(struct ak8975= _data *data) break; timeout_ms -=3D AK8975_CONVERSION_DONE_POLL_TIME; } - if (!timeout_ms) { - dev_err(&client->dev, "Conversion timeout happened\n"); - return -EINVAL; - } + if (!timeout_ms) + return -ETIMEDOUT; =20 ret =3D i2c_smbus_read_byte_data(client, data->def->ctrl_regs[ST1]); if (ret < 0) @@ -695,10 +693,8 @@ static int wait_conversion_complete_polled(struct ak89= 75_data *data) break; timeout_ms -=3D AK8975_CONVERSION_DONE_POLL_TIME; } - if (!timeout_ms) { - dev_err(&client->dev, "Conversion timeout happened\n"); - return -EINVAL; - } + if (!timeout_ms) + return -ETIMEDOUT; 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Wed, 22 Apr 2026 04:22:14 -0700 (PDT) Received: from cs-280612103108-default.europe-west4-b.c.od237066db22328bb-tp.internal (25.236.141.34.bc.googleusercontent.com. [34.141.236.25]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ba6366452c6sm395156866b.11.2026.04.22.04.22.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Apr 2026 04:22:14 -0700 (PDT) From: Joshua Crofts To: jic23@kernel.org Cc: dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 6/6] iio: magnetometer: ak8975: modernize polling loops with iopoll() macros Date: Wed, 22 Apr 2026 11:22:07 +0000 Message-ID: <20260422112207.1313-7-joshua.crofts1@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260422112207.1313-1-joshua.crofts1@gmail.com> References: <20260422112207.1313-1-joshua.crofts1@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The driver currently uses while loops and msleep() for polling during conversion waits. Replace the custom polling loops with readx_poll_timeout() and read_poll_timeout() macros from . This reduces boilerplate, standardizes timeout handling and improves overall code readability, keeping the original timing and error behaviour. Add for USEC_PER_MSEC macro instead of using magic numbers. Assisted-by: Gemini:3.1-Pro Signed-off-by: Joshua Crofts --- drivers/iio/magnetometer/ak8975.c | 47 ++++++++++++++----------------- 1 file changed, 21 insertions(+), 26 deletions(-) diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/a= k8975.c index 723c2f64b8e..0724569e766 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include #include @@ -23,6 +24,7 @@ #include #include #include +#include #include #include =20 @@ -652,18 +654,16 @@ static int ak8975_setup(struct i2c_client *client) static int wait_conversion_complete_gpio(struct ak8975_data *data) { struct i2c_client *client =3D data->client; - u32 timeout_ms =3D AK8975_MAX_CONVERSION_TIMEOUT; int ret; + int val; =20 /* Wait for the conversion to complete. */ - while (timeout_ms) { - msleep(AK8975_CONVERSION_DONE_POLL_TIME); - if (gpiod_get_value(data->eoc_gpiod)) - break; - timeout_ms -=3D AK8975_CONVERSION_DONE_POLL_TIME; - } - if (!timeout_ms) - return -ETIMEDOUT; + ret =3D readx_poll_timeout(gpiod_get_value, data->eoc_gpiod, val, + val !=3D 0, + AK8975_CONVERSION_DONE_POLL_TIME * USEC_PER_MSEC, + AK8975_MAX_CONVERSION_TIMEOUT * USEC_PER_MSEC); + if (ret) + return ret; =20 ret =3D i2c_smbus_read_byte_data(client, data->def->ctrl_regs[ST1]); if (ret < 0) @@ -675,28 +675,23 @@ static int wait_conversion_complete_gpio(struct ak897= 5_data *data) static int wait_conversion_complete_polled(struct ak8975_data *data) { struct i2c_client *client =3D data->client; - u8 read_status; - u32 timeout_ms =3D AK8975_MAX_CONVERSION_TIMEOUT; int ret; + int val; =20 /* Wait for the conversion to complete. */ - while (timeout_ms) { - msleep(AK8975_CONVERSION_DONE_POLL_TIME); - ret =3D i2c_smbus_read_byte_data(client, - data->def->ctrl_regs[ST1]); - if (ret < 0) { - dev_err(&client->dev, "Error in reading ST1\n"); - return ret; - } - read_status =3D ret; - if (read_status) - break; - timeout_ms -=3D AK8975_CONVERSION_DONE_POLL_TIME; + ret =3D read_poll_timeout(i2c_smbus_read_byte_data, val, val !=3D 0, + AK8975_CONVERSION_DONE_POLL_TIME * USEC_PER_MSEC, + AK8975_MAX_CONVERSION_TIMEOUT * USEC_PER_MSEC, + true, + client, data->def->ctrl_regs[ST1]); + if (ret) + return ret; + if (val < 0) { + dev_err(&client->dev, "Error in reading ST1\n"); + return val; } - if (!timeout_ms) - return -ETIMEDOUT; =20 - return read_status; + return val; } =20 /* Returns 0 if the end of conversion interrupt occurred or -ETIME otherwi= se */ --=20 2.47.3