[PATCH v2 5/9] i2c: core: Convert to dev_pm_domain_attach|detach()
Ulf Hansson
ulf.hansson at linaro.org
Thu Aug 28 01:38:58 PDT 2014
Previously only the ACPI power domain was supported by the i2c bus.
Let's convert to the common attach/detach functions for power domains,
which currently means we are extending the support to include the
generic power domain as well.
Cc: linux-i2c at vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson at linaro.org>
---
drivers/i2c/i2c-core.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 632057a..3cd8f11 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -279,10 +279,13 @@ static int i2c_device_probe(struct device *dev)
if (status < 0)
return status;
- acpi_dev_pm_attach(&client->dev, true);
- status = driver->probe(client, i2c_match_id(driver->id_table, client));
- if (status)
- acpi_dev_pm_detach(&client->dev, true);
+ status = dev_pm_domain_attach(&client->dev, true);
+ if (status != -EPROBE_DEFER) {
+ status = driver->probe(client, i2c_match_id(driver->id_table,
+ client));
+ if (status)
+ dev_pm_domain_detach(&client->dev, true);
+ }
return status;
}
@@ -302,7 +305,7 @@ static int i2c_device_remove(struct device *dev)
status = driver->remove(client);
}
- acpi_dev_pm_detach(&client->dev, true);
+ dev_pm_domain_detach(&client->dev, true);
return status;
}
--
1.9.1
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