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authorMark Brown <broonie@kernel.org>2014-10-20 12:55:07 -0400
committerMark Brown <broonie@kernel.org>2014-10-20 13:27:32 -0400
commitb7a40242c82cd73cfcea305f23e67d068dd8401a (patch)
tree251b49d19cd7c371847ae1f951e1b537ca0e1c15 /drivers/clk/clk.c
parentd26833bfce5e56017bea9f1f50838f20e18e7b7e (diff)
parent9c6de47d53a3ce8df1642ae67823688eb98a190a (diff)
Merge branch 'fix/dw' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into spi-dw
Conflicts: drivers/spi/spi-dw-mid.c
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 b76fa69b44cb..bacc06ff939b 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
1467static void clk_change_rate(struct clk *clk) 1467static void clk_change_rate(struct clk *clk)
1468{ 1468{
1469 struct clk *child; 1469 struct clk *child;
1470 struct hlist_node *tmp;
1470 unsigned long old_rate; 1471 unsigned long old_rate;
1471 unsigned long best_parent_rate = 0; 1472 unsigned long best_parent_rate = 0;
1472 bool skip_set_rate = false; 1473 bool skip_set_rate = false;
@@ -1502,7 +1503,11 @@ static void clk_change_rate(struct clk *clk)
1502 if (clk->notifier_count && old_rate != clk->rate) 1503 if (clk->notifier_count && old_rate != clk->rate)
1503 __clk_notify(clk, POST_RATE_CHANGE, old_rate, clk->rate); 1504 __clk_notify(clk, POST_RATE_CHANGE, old_rate, clk->rate);
1504 1505
1505 hlist_for_each_entry(child, &clk->children, child_node) { 1506 /*
1507 * Use safe iteration, as change_rate can actually swap parents
1508 * for certain clock types.
1509 */
1510 hlist_for_each_entry_safe(child, tmp, &clk->children, child_node) {
1506 /* Skip children who will be reparented to another clock */ 1511 /* Skip children who will be reparented to another clock */
1507 if (child->new_parent && child->new_parent != clk) 1512 if (child->new_parent && child->new_parent != clk)
1508 continue; 1513 continue;