From 729e13bf58e643b9accd2a14c55b555958702fb0 Mon Sep 17 00:00:00 2001 From: Tero Kristo Date: Thu, 12 Oct 2017 10:55:29 +0300 Subject: [PATCH] clk: ti: clkctrl: add support for retrying failed init 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 Acked-by: Stephen Boyd --- drivers/clk/ti/clkctrl.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/clk/ti/clkctrl.c b/drivers/clk/ti/clkctrl.c index 38dbcc1b7e2c..7d82fff25d5b 100644 --- a/drivers/clk/ti/clkctrl.c +++ b/drivers/clk/ti/clkctrl.c @@ -414,6 +414,12 @@ _ti_clkctrl_setup_subclks(struct omap_clkctrl_provider *provider, } } +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; @@ -425,6 +431,7 @@ static void __init _ti_omap4_clkctrl_setup(struct device_node *node) 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); @@ -519,7 +526,10 @@ static void __init _ti_omap4_clkctrl_setup(struct device_node *node) 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: