AcoSail/kernel_optimize_test
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Merge branch 'i2c/for-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

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Pull i2c fix from Wolfram Sang:
 "Regression fix for rc1 and stable kernels as well"

* 'i2c/for-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: core: Restore acpi_walk_dep_device_list() getting called after registering the ACPI i2c devs
This commit is contained in:
Linus Torvalds 2020-10-25 11:10:23 -07:00
commit 0746c4a9f3
1 changed files with 10 additions and 1 deletions
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11
drivers/i2c/i2c-core-acpi.c
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@ -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;
}