From patchwork Sun Mar 9 16:58:13 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 14008649 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F1D1A748F for ; Sun, 9 Mar 2025 16:58:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741539526; cv=none; b=NFsEkxRi1sVjECnki9Tf6fAcjBPru3u2eTsw8PTrEy7BpNqL4TW73e10pRcj33S+R7ONBR3LJBdS+19hRKVdTY9SRDddgwTt7l56XNSFjkHKHpIhft3hn0qIMing9l4I/X74jfuevKB3BSV38zMUAsCHfs1Oqcl9bQ84cskH7uM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741539526; c=relaxed/simple; bh=l3WF6slEFDi3bYBwHNVkyg4aE7Hpurgm02kHmpzlF/Y=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=nhNMjTSghy06EDXNMMazq921NKi5x9J+n1a3lTebkkKiGsU3+pZ6Khc6qe6RNHOuv/LVrJELigN+ghyIWsc356xnT+udOJQci2ACDPR8PqYGC43T8VLYxlrHcjOu/Y2xOqfGUTHk1oZ6h8RcCGAiz4QJhOXqYEgIkbI9/KxUW4w= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=j+7mG3MX; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="j+7mG3MX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 50941C4CEE3; Sun, 9 Mar 2025 16:58:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741539525; bh=l3WF6slEFDi3bYBwHNVkyg4aE7Hpurgm02kHmpzlF/Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=j+7mG3MXCNeKKt5wQADg9Z44UdyAJqeqRjNK+DwuL4ODIBZtfCqmXEiNAxe73Yk/3 33P1gDeP3rx81NV3s3/V37lj1cD7hSaonDGO8v3eAUR3gjOkd9+P7lMj4ZewuV3B1M fCxDFD+yD8L82PfA/oZsI8YkkQudjR3/Rc1/ylFtufAU0BJ+PzSU/nqhr5FqCseOfe 7oe8CNQIpGQjz0tSgRv7szGPC0MIhszRoJlyTYX4pEx9laj4oDLKVXsoDhLYNNB5Ut 1uG2esfFg0Wx2VjUWhTa8Q0qvZ2zoyv7R6Bmc29nbyNux06w3caqI3o97slAntxPfK pDYX452S8FyTw== From: Jonathan Cameron To: Frank Li , Marek Vasut , linux-iio@vger.kernel.org, =?utf-8?q?Nuno_S=C3=A1?= Cc: Marek Vasut , Mike Looijmans , =?utf-8?q?Nuno_S=C3=A1?= , David Lechner , Jonathan Cameron Subject: [PATCH v2 2/8] iio: adc: vf610: Switch to sparse friendly iio_device_claim/release_direct() Date: Sun, 9 Mar 2025 16:58:13 +0000 Message-ID: <20250309165819.1346684-3-jic23@kernel.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250309165819.1346684-1-jic23@kernel.org> References: <20250309165819.1346684-1-jic23@kernel.org> Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Jonathan Cameron These new functions allow sparse to find failures to release direct mode reducing chances of bugs over the claim_direct_mode() functions that are deprecated. Signed-off-by: Jonathan Cameron Cc: Frank Li --- drivers/iio/adc/vf610_adc.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c index 57a22e31cfc7..f506ca4150b1 100644 --- a/drivers/iio/adc/vf610_adc.c +++ b/drivers/iio/adc/vf610_adc.c @@ -681,11 +681,10 @@ static int vf610_read_raw(struct iio_dev *indio_dev, switch (mask) { case IIO_CHAN_INFO_RAW: case IIO_CHAN_INFO_PROCESSED: - ret = iio_device_claim_direct_mode(indio_dev); - if (ret) - return ret; + if (!iio_device_claim_direct(indio_dev)) + return -EBUSY; ret = vf610_read_sample(info, chan, val); - iio_device_release_direct_mode(indio_dev); + iio_device_release_direct(indio_dev); if (ret < 0) return ret;