On Fri, Mar 31, 2017 at 11:01 AM, Hans de Goede [off-list ref] wrote:

[cut]

quoted

quoted

--- a/drivers/power/supply/axp288_fuel_gauge.c
+++ b/drivers/power/supply/axp288_fuel_gauge.c

@@ -26,6 +26,7 @@
 #include <linux/mfd/axp20x.h>
 #include <linux/platform_device.h>
 #include <linux/power_supply.h>
+#include <linux/power/acpi.h>
 #include <linux/iio/consumer.h>
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>

@@ -754,6 +755,8 @@ static int axp288_fuel_gauge_probe(struct

platform_device *pdev)
                return ret;
        }

+       acpi_battery_unregister();
+

What if the ACPI battery driver is loaded after this has been called
already?

The module exports that symbol so it must be loaded already.

But then it may be unloaded manually and loaded again, may it not?

Thanks,
Rafael