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authorMark Brown <broonie@kernel.org>2020-12-11 17:47:55 +0000
committerMark Brown <broonie@kernel.org>2020-12-11 17:47:55 +0000
commit031616c434db05ce766f76c62865f55698e0924f (patch)
tree7f29aa1ff3e7b51a8058cd570fb785c6e769b245 /drivers/i2c/i2c-core-acpi.c
parent064841ccfc49b2315dc0b797239862d3a343aa07 (diff)
parent85a7555575a0e48f9b73db310d0d762a08a46d63 (diff)
Merge remote-tracking branch 'asoc/for-5.10' into asoc-linus
Diffstat (limited to 'drivers/i2c/i2c-core-acpi.c')
-rw-r--r--drivers/i2c/i2c-core-acpi.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c
index e627d7b2790f..37c510d9347a 100644
--- a/drivers/i2c/i2c-core-acpi.c
+++ b/drivers/i2c/i2c-core-acpi.c
@@ -264,6 +264,7 @@ static acpi_status i2c_acpi_add_device(acpi_handle handle, u32 level,
void i2c_acpi_register_devices(struct i2c_adapter *adap)
{
acpi_status status;
+ acpi_handle handle;
if (!has_acpi_companion(&adap->dev))
return;
@@ -274,6 +275,15 @@ void i2c_acpi_register_devices(struct i2c_adapter *adap)
adap, NULL);
if (ACPI_FAILURE(status))
dev_warn(&adap->dev, "failed to enumerate I2C slaves\n");
+
+ if (!adap->dev.parent)
+ return;
+
+ handle = ACPI_HANDLE(adap->dev.parent);
+ if (!handle)
+ return;
+
+ acpi_walk_dep_device_list(handle);
}
static const struct acpi_device_id i2c_acpi_force_400khz_device_ids[] = {
@@ -719,7 +729,6 @@ int i2c_acpi_install_space_handler(struct i2c_adapter *adapter)
return -ENOMEM;
}
- acpi_walk_dep_device_list(handle);
return 0;
}