diff options
Diffstat (limited to 'drivers/clk/st/clkgen-mux.c')
| -rw-r--r-- | drivers/clk/st/clkgen-mux.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/clk/st/clkgen-mux.c b/drivers/clk/st/clkgen-mux.c index ce583ded968a..596e939ad905 100644 --- a/drivers/clk/st/clkgen-mux.c +++ b/drivers/clk/st/clkgen-mux.c @@ -56,11 +56,21 @@ static void __init st_of_clkgen_mux_setup(struct device_node *np, void __iomem *reg; const char **parents; int num_parents = 0; + struct device_node *parent_np; + /* + * First check for reg property within the node to keep backward + * compatibility, then if reg doesn't exist look at the parent node + */ reg = of_iomap(np, 0); if (!reg) { - pr_err("%s: Failed to get base address\n", __func__); - return; + parent_np = of_get_parent(np); + reg = of_iomap(parent_np, 0); + of_node_put(parent_np); + if (!reg) { + pr_err("%s: Failed to get base address\n", __func__); + return; + } } parents = clkgen_mux_get_parents(np, &num_parents); |