[PATCH 1/2] acpi: Fail GED probe when not on hardware-reduced

From: Samuel Ortiz
Date: Wed Oct 09 2019 - 09:04:42 EST


The Generic Event Device (GED) is a hardware-reduced platform device.
Probing this driver on fixed platforms should fail.

Signed-off-by: Samuel Ortiz <sameo@xxxxxxxxxxxxxxx>
---
drivers/acpi/evged.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/acpi/evged.c b/drivers/acpi/evged.c
index aba0d0027586..55de4b2d2fee 100644
--- a/drivers/acpi/evged.c
+++ b/drivers/acpi/evged.c
@@ -127,6 +127,9 @@ static int ged_probe(struct platform_device *pdev)
struct acpi_ged_device *geddev;
acpi_status acpi_ret;

+ if (!acpi_gbl_reduced_hardware)
+ return -ENODEV;
+
geddev = devm_kzalloc(&pdev->dev, sizeof(*geddev), GFP_KERNEL);
if (!geddev)
return -ENOMEM;
--
2.21.0