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platform: x86: ideapad-laptop: Use ACPI_COMPANION() directly

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The ACPI_HANDLE() macro is a wrapper arond the ACPI_COMPANION()
macro and the ACPI handle produced by the former comes from the
ACPI device object produced by the latter, so it is way more
straightforward to evaluate the latter directly instead of passing
the handle produced by the former to acpi_bus_get_device().

Modify ideapad_acpi_add() accordingly (no intentional functional
impact).

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/8000884.T7Z3S40VBb@kreacher
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Rafael J. Wysocki 2021-10-13 18:13:51 +02:00 committed by Hans de Goede
parent 7c7ba5de7f
commit 043449e751
1 changed files with 2 additions and 6 deletions
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8
drivers/platform/x86/ideapad-laptop.c
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@ -1555,17 +1555,13 @@ static void ideapad_check_features(struct ideapad_private *priv)
static int ideapad_acpi_add(struct platform_device *pdev)
{
struct acpi_device *adev = ACPI_COMPANION(&pdev->dev);
struct ideapad_private *priv;
struct acpi_device *adev;
acpi_status status;
unsigned long cfg;
int err, i;
err = acpi_bus_get_device(ACPI_HANDLE(&pdev->dev), &adev);
if (err)
return -ENODEV;
if (eval_int(adev->handle, "_CFG", &cfg))
if (!adev || eval_int(adev->handle, "_CFG", &cfg))
return -ENODEV;
priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);