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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-10-28 04:17:49 +0400
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-10-28 04:17:49 +0400
commitdd6c26be3bb3e98d4811780f831bbc246dae54c8 (patch)
tree5b0cce644ee725386b2c4539afc91459e1913cd9 /drivers/i2c
parentc0ced86d38f418448dce1ca8a825dfd16ee9a23a (diff)
parent33cf00e5708290f7e57d949219ef443a2aef34e0 (diff)
downloadlinux-dd6c26be3bb3e98d4811780f831bbc246dae54c8.tar.xz
Merge branch 'acpi-pm'
* acpi-pm: spi: attach/detach SPI device to the ACPI power domain i2c: attach/detach I2C client device to the ACPI power domain ACPI / PM: allow child devices to ignore parent power state
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/i2c-core.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 3be58f89ac77..75ba8608383e 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -254,10 +254,12 @@ static int i2c_device_probe(struct device *dev)
client->flags & I2C_CLIENT_WAKE);
dev_dbg(dev, "probe\n");
+ acpi_dev_pm_attach(&client->dev, true);
status = driver->probe(client, i2c_match_id(driver->id_table, client));
if (status) {
client->driver = NULL;
i2c_set_clientdata(client, NULL);
+ acpi_dev_pm_detach(&client->dev, true);
}
return status;
}
@@ -283,6 +285,7 @@ static int i2c_device_remove(struct device *dev)
client->driver = NULL;
i2c_set_clientdata(client, NULL);
}
+ acpi_dev_pm_detach(&client->dev, true);
return status;
}
@@ -1111,8 +1114,10 @@ static acpi_status acpi_i2c_add_device(acpi_handle handle, u32 level,
if (ret < 0 || !info.addr)
return AE_OK;
+ adev->power.flags.ignore_parent = true;
strlcpy(info.type, dev_name(&adev->dev), sizeof(info.type));
if (!i2c_new_device(adapter, &info)) {
+ adev->power.flags.ignore_parent = false;
dev_err(&adapter->dev,
"failed to add I2C device %s from ACPI\n",
dev_name(&adev->dev));