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authorArnd Bergmann2015-10-09 17:08:28 +0200
committerArnd Bergmann2015-10-09 17:08:28 +0200
commit273395f0c2973b96a35772f8aa3b65c25517a45d (patch)
tree4b3394740f1b35773acab4341af1843fefc96b4f /drivers/base
parentMerge tag 'at91-cleanup-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git... (diff)
parentsoc: rockchip: power-domain: Add power domain driver (diff)
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Merge tag 'v4.4-rockchip-drivers1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/drivers
Merge "Rockchip power-domain drivers for 4.4" from Heiko Stuebner: Add the power-domain base-driver which currently contains support for the rk3288 powerdomain layout but can be easily extended for the socs (including arm64) later on. A big thanks to Ceasar Wang for pulling through on this during 18 revisions. Also included is a fix to the pm-clock handling in the generic powerdomains to adapt it to the per-user clock handling we now do, Acked by Rafael Wysocki. * tag 'v4.4-rockchip-drivers1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip: soc: rockchip: power-domain: Add power domain driver dt-bindings: add document of Rockchip power domains PM / clk: Do not __clk_get passed in clock-references dt-bindings: add power-domain header for RK3288 SoCs
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/power/clock_ops.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/base/power/clock_ops.c b/drivers/base/power/clock_ops.c
index 652b5a367c1f..6ce76934057f 100644
--- a/drivers/base/power/clock_ops.c
+++ b/drivers/base/power/clock_ops.c
@@ -93,7 +93,7 @@ static int __pm_clk_add(struct device *dev, const char *con_id,
return -ENOMEM;
}
} else {
- if (IS_ERR(clk) || !__clk_get(clk)) {
+ if (IS_ERR(clk)) {
kfree(ce);
return -ENOENT;
}
@@ -127,7 +127,9 @@ int pm_clk_add(struct device *dev, const char *con_id)
* @clk: Clock pointer
*
* Add the clock to the list of clocks used for the power management of @dev.
- * It will increment refcount on clock pointer, use clk_put() on it when done.
+ * The power-management code will take control of the clock reference, so
+ * callers should not call clk_put() on @clk after this function sucessfully
+ * returned.
*/
int pm_clk_add_clk(struct device *dev, struct clk *clk)
{