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Message-ID: <20241024191200.229894-5-andriy.shevchenko@linux.intel.com>
Date: Thu, 24 Oct 2024 22:04:53 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Jonathan Cameron <Jonathan.Cameron@...wei.com>,
Marius Cristea <marius.cristea@...rochip.com>,
Trevor Gamblin <tgamblin@...libre.com>,
Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@....com>,
Hans de Goede <hdegoede@...hat.com>,
linux-iio@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: Jonathan Cameron <jic23@...nel.org>,
Lars-Peter Clausen <lars@...afoo.de>,
Andy Shevchenko <andy.shevchenko@...il.com>
Subject: [PATCH v3 04/24] iio: acpi: Improve iio_read_acpi_mount_matrix()
From: Andy Shevchenko <andy.shevchenko@...il.com>
By using ACPI_HANDLE() the handler argument can be retrieved directly.
Replace ACPI_COMPANION() + dereference with ACPI_HANDLE().
Reviewed-by: Hans de Goede <hdegoede@...hat.com>
Signed-off-by: Andy Shevchenko <andy.shevchenko@...il.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
drivers/iio/industrialio-acpi.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/iio/industrialio-acpi.c b/drivers/iio/industrialio-acpi.c
index 981b75d40780..1e46908f9534 100644
--- a/drivers/iio/industrialio-acpi.c
+++ b/drivers/iio/industrialio-acpi.c
@@ -28,17 +28,21 @@ bool iio_read_acpi_mount_matrix(struct device *dev,
char *acpi_method)
{
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
- struct acpi_device *adev = ACPI_COMPANION(dev);
char *str;
union acpi_object *obj, *elements;
+ acpi_handle handle;
acpi_status status;
int i, j, val[3];
bool ret = false;
- if (!adev || !acpi_has_method(adev->handle, acpi_method))
+ handle = ACPI_HANDLE(dev);
+ if (!handle)
return false;
- status = acpi_evaluate_object(adev->handle, acpi_method, NULL, &buffer);
+ if (!acpi_has_method(handle, acpi_method))
+ return false;
+
+ status = acpi_evaluate_object(handle, acpi_method, NULL, &buffer);
if (ACPI_FAILURE(status)) {
dev_err(dev, "Failed to get ACPI mount matrix: %d\n", status);
return false;
--
2.43.0.rc1.1336.g36b5255a03ac
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