4.15-stable review patch. If anyone has any objections, please let me know.
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From: Tero Kristo t-kristo@ti.com
[ Upstream commit 729e13bf58e643b9accd2a14c55b555958702fb0 ]
In case the clkctrl node contains assigned-clock-* entries, registering the provider can fail with -EPROBE_DEFER. In this case, add the provider to the retry_init clock list so it will be cleaned up later.
Signed-off-by: Tero Kristo t-kristo@ti.com Acked-by: Stephen Boyd sboyd@codeaurora.org Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/clk/ti/clkctrl.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-)
--- a/drivers/clk/ti/clkctrl.c +++ b/drivers/clk/ti/clkctrl.c @@ -400,6 +400,12 @@ _ti_clkctrl_setup_subclks(struct omap_cl } }
+static void __init _clkctrl_add_provider(void *data, + struct device_node *np) +{ + of_clk_add_hw_provider(np, _ti_omap4_clkctrl_xlate, data); +} + static void __init _ti_omap4_clkctrl_setup(struct device_node *node) { struct omap_clkctrl_provider *provider; @@ -411,6 +417,7 @@ static void __init _ti_omap4_clkctrl_set struct omap_clkctrl_clk *clkctrl_clk; const __be32 *addrp; u32 addr; + int ret;
addrp = of_get_address(node, 0, NULL, NULL); addr = (u32)of_translate_address(node, addrp); @@ -485,7 +492,10 @@ static void __init _ti_omap4_clkctrl_set reg_data++; }
- of_clk_add_hw_provider(node, _ti_omap4_clkctrl_xlate, provider); + ret = of_clk_add_hw_provider(node, _ti_omap4_clkctrl_xlate, provider); + if (ret == -EPROBE_DEFER) + ti_clk_retry_init(node, provider, _clkctrl_add_provider); + return;
cleanup: