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authorArvind Yadav <arvind.yadav.cs@gmail.com>2016-09-20 14:46:55 +0300
committerStephen Boyd <sboyd@codeaurora.org>2016-12-09 03:34:15 +0300
commit113ff9c99a6926047e279cdf4479c186b41c5eae (patch)
tree5059b881790c29dbfdc936f7e413f7832b4b5ae6
parent81ba3cc29a03b2cd9360739014b7d8ade88a9863 (diff)
downloadlinux-113ff9c99a6926047e279cdf4479c186b41c5eae.tar.xz
clk: keystone: pll: Unmap region obtained by of_iomap
Free memory mapping, if of_pll_div_clk_init is not successful. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
-rw-r--r--drivers/clk/keystone/pll.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/clk/keystone/pll.c b/drivers/clk/keystone/pll.c
index 185f19c6836e..e7e840fb74ea 100644
--- a/drivers/clk/keystone/pll.c
+++ b/drivers/clk/keystone/pll.c
@@ -267,25 +267,30 @@ static void __init of_pll_div_clk_init(struct device_node *node)
parent_name = of_clk_get_parent_name(node, 0);
if (!parent_name) {
pr_err("%s: missing parent clock\n", __func__);
+ iounmap(reg);
return;
}
if (of_property_read_u32(node, "bit-shift", &shift)) {
pr_err("%s: missing 'shift' property\n", __func__);
+ iounmap(reg);
return;
}
if (of_property_read_u32(node, "bit-mask", &mask)) {
pr_err("%s: missing 'bit-mask' property\n", __func__);
+ iounmap(reg);
return;
}
clk = clk_register_divider(NULL, clk_name, parent_name, 0, reg, shift,
mask, 0, NULL);
- if (clk)
+ if (clk) {
of_clk_add_provider(node, of_clk_src_simple_get, clk);
- else
+ } else {
pr_err("%s: error registering divider %s\n", __func__, clk_name);
+ iounmap(reg);
+ }
}
CLK_OF_DECLARE(pll_divider_clock, "ti,keystone,pll-divider-clock", of_pll_div_clk_init);