diff options
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/i2c-core-acpi.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c index bb6b39fe343a..9cb2aa1e20ef 100644 --- a/drivers/i2c/i2c-core-acpi.c +++ b/drivers/i2c/i2c-core-acpi.c @@ -344,9 +344,22 @@ u32 i2c_acpi_find_bus_speed(struct device *dev) } EXPORT_SYMBOL_GPL(i2c_acpi_find_bus_speed); +static int i2c_acpi_find_match_adapter(struct device *dev, const void *data) +{ + struct i2c_adapter *adapter = i2c_verify_adapter(dev); + + if (!adapter) + return 0; + + return ACPI_HANDLE(dev) == (acpi_handle)data; +} + struct i2c_adapter *i2c_acpi_find_adapter_by_handle(acpi_handle handle) { - struct device *dev = bus_find_device_by_acpi_dev(&i2c_bus_type, handle); + struct device *dev; + + dev = bus_find_device(&i2c_bus_type, NULL, handle, + i2c_acpi_find_match_adapter); return dev ? i2c_verify_adapter(dev) : NULL; } |