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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-09-25 13:11:52 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-09-25 13:11:52 +0200
commit346e2e4a8b47089f4319f114ec9ac3a95b5f0ac8 (patch)
tree0e824d68b72969127abcad85e82b468ed4e23237 /drivers/clk/clk.c
parent5caf6ae5ce880ec15448b310e47a9515ebb7e808 (diff)
parent4f0eb5d7efe375859b15c97f453113a242bf057b (diff)
Merge tag 'phy-for_3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-next
Kishon writes: Adds 3 new PHY drivers stih407, stih41x and rcar gen2 PHY. It also includes miscellaneous cleanup of other PHY drivers. Conflicts: MAINTAINERS
Diffstat (limited to 'drivers/clk/clk.c')
-rw-r--r--drivers/clk/clk.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index b76fa69b44c..bacc06ff939 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -1467,6 +1467,7 @@ static struct clk *clk_propagate_rate_change(struct clk *clk, unsigned long even
static void clk_change_rate(struct clk *clk)
{
struct clk *child;
+ struct hlist_node *tmp;
unsigned long old_rate;
unsigned long best_parent_rate = 0;
bool skip_set_rate = false;
@@ -1502,7 +1503,11 @@ static void clk_change_rate(struct clk *clk)
if (clk->notifier_count && old_rate != clk->rate)
__clk_notify(clk, POST_RATE_CHANGE, old_rate, clk->rate);
- hlist_for_each_entry(child, &clk->children, child_node) {
+ /*
+ * Use safe iteration, as change_rate can actually swap parents
+ * for certain clock types.
+ */
+ hlist_for_each_entry_safe(child, tmp, &clk->children, child_node) {
/* Skip children who will be reparented to another clock */
if (child->new_parent && child->new_parent != clk)
continue;