diff options
Diffstat (limited to 'drivers/clk/st/clkgen-fsyn.c')
| -rw-r--r-- | drivers/clk/st/clkgen-fsyn.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/clk/st/clkgen-fsyn.c b/drivers/clk/st/clkgen-fsyn.c index 164285d6be97..d820292a381d 100644 --- a/drivers/clk/st/clkgen-fsyn.c +++ b/drivers/clk/st/clkgen-fsyn.c @@ -987,10 +987,22 @@ static void __init st_of_quadfs_setup(struct device_node *np, const char *pll_name, *clk_parent_name; void __iomem *reg; spinlock_t *lock; + 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) - return; + if (!reg) { + 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; + } + } clk_parent_name = of_clk_get_parent_name(np, 0); if (!clk_parent_name) |