To sucessfully probe some devices their corresponding PM domains may
need to be powered.
Use the dev_pm_domain_get|put() APIs, to control the behavior of the PM
domain.
Signed-off-by: Ulf Hansson <ulf.hans...@linaro.org>
---
drivers/base/platform.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index b2afc29..43897ad 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -509,7 +509,14 @@ static int platform_drv_probe(struct device *_dev)
ret = dev_pm_domain_attach(_dev, true);
if (ret != -EPROBE_DEFER) {
+ ret = dev_pm_domain_get(_dev->pm_domain);
+ if (ret) {
+ dev_pm_domain_detach(_dev, true);
+ return ret;
+ }
+
ret = drv->probe(dev);
+ dev_pm_domain_put(_dev->pm_domain);
if (ret)
dev_pm_domain_detach(_dev, true);
}
--
1.9.1
--
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