diff options
Diffstat (limited to 'drivers/clk/sunxi/clk-sunxi.c')
| -rw-r--r-- | drivers/clk/sunxi/clk-sunxi.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c index 99f60efe7b1c..775e13776f84 100644 --- a/drivers/clk/sunxi/clk-sunxi.c +++ b/drivers/clk/sunxi/clk-sunxi.c @@ -674,11 +674,16 @@ static struct clk * __init sunxi_mux_clk_setup(struct device_node *node, int i; reg = of_iomap(node, 0); + if (!reg) { + pr_err("Could not map registers for mux-clk: %s\n", + of_node_full_name(node)); + return NULL; + } i = of_clk_parent_fill(node, parents, SUNXI_MAX_PARENTS); if (of_property_read_string(node, "clock-output-names", &clk_name)) { - pr_warn("%s: could not read clock-output-names for \"%s\"\n", - __func__, clk_name); + pr_err("%s: could not read clock-output-names from \"%s\"\n", + __func__, of_node_full_name(node)); goto out_unmap; } @@ -688,15 +693,19 @@ static struct clk * __init sunxi_mux_clk_setup(struct device_node *node, 0, &clk_lock); if (IS_ERR(clk)) { - pr_warn("%s: failed to register mux clock %s: %ld\n", __func__, - clk_name, PTR_ERR(clk)); + pr_err("%s: failed to register mux clock %s: %ld\n", __func__, + clk_name, PTR_ERR(clk)); goto out_unmap; } - of_clk_add_provider(node, of_clk_src_simple_get, clk); + if (of_clk_add_provider(node, of_clk_src_simple_get, clk)) { + pr_err("%s: failed to add clock provider for %s\n", + __func__, clk_name); + clk_unregister_divider(clk); + goto out_unmap; + } return clk; - out_unmap: iounmap(reg); return NULL; |