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| author | Otavio Salvador <otavio@ossystems.com.br> | 2020-10-29 19:42:29 -0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-10-29 19:42:29 -0300 |
| commit | 1a578877cf48eb96b5c8554873cdee756ae16c7e (patch) | |
| tree | 10978aa5e09161d68426acc33554450032ceda65 /drivers/i2c/i2c-core-acpi.c | |
| parent | 859f1281231fd3c1ca687bb517748daa19eaf402 (diff) | |
| parent | 8081974b75314b3f52a7afee916c352319261a16 (diff) | |
Merge pull request #160 from zandrey/5.4-2.1.x-imx
Update 5.4-2.1.x-imx to v5.4.73 from stable
Diffstat (limited to 'drivers/i2c/i2c-core-acpi.c')
| -rw-r--r-- | drivers/i2c/i2c-core-acpi.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c index ce70b5288472..c70983780ae7 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); } const struct acpi_device_id * @@ -737,7 +747,6 @@ int i2c_acpi_install_space_handler(struct i2c_adapter *adapter) return -ENOMEM; } - acpi_walk_dep_device_list(handle); return 0; } |