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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>
This commit is contained in:
Arvind Yadav 2016-09-20 17:16:55 +05:30 committed by Stephen Boyd
parent 81ba3cc29a
commit 113ff9c99a
1 changed files with 7 additions and 2 deletions
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9
drivers/clk/keystone/pll.c
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@ -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);