diff options
| author | Stephen Boyd <sboyd@kernel.org> | 2019-03-07 01:13:41 +0300 |
|---|---|---|
| committer | Stephen Boyd <sboyd@kernel.org> | 2019-03-07 01:14:44 +0300 |
| commit | 043f44aba9a871da521fe6ebecd5c63e406256ff (patch) | |
| tree | a525523b76ed401b0c2a0677305d334d4849d659 /drivers/clk/clk-highbank.c | |
| parent | 1c163f4c7b3f621efff9b28a47abb36f7378d783 (diff) | |
| download | linux-043f44aba9a871da521fe6ebecd5c63e406256ff.tar.xz | |
clk: highbank: Convert to CLK_IS_CRITICAL
This code is hand-rolling the CLK_IS_CRITICAL flag to keep a clk on once
it's registered. Just mark it as CLK_IS_CRITICAL instead so that the
framework can handle keeping the clk prepared and enabled for all
eternity.
Cc: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk/clk-highbank.c')
| -rw-r--r-- | drivers/clk/clk-highbank.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/drivers/clk/clk-highbank.c b/drivers/clk/clk-highbank.c index 727ed8e1bb72..bc095382cf43 100644 --- a/drivers/clk/clk-highbank.c +++ b/drivers/clk/clk-highbank.c @@ -17,7 +17,6 @@ #include <linux/kernel.h> #include <linux/slab.h> #include <linux/err.h> -#include <linux/clk.h> #include <linux/clk-provider.h> #include <linux/io.h> #include <linux/of.h> @@ -272,7 +271,7 @@ static const struct clk_ops periclk_ops = { .set_rate = clk_periclk_set_rate, }; -static __init struct clk *hb_clk_init(struct device_node *node, const struct clk_ops *ops) +static void __init hb_clk_init(struct device_node *node, const struct clk_ops *ops, unsigned long clkflags) { u32 reg; struct hb_clk *hb_clk; @@ -284,11 +283,11 @@ static __init struct clk *hb_clk_init(struct device_node *node, const struct clk rc = of_property_read_u32(node, "reg", ®); if (WARN_ON(rc)) - return NULL; + return; hb_clk = kzalloc(sizeof(*hb_clk), GFP_KERNEL); if (WARN_ON(!hb_clk)) - return NULL; + return; /* Map system registers */ srnp = of_find_compatible_node(NULL, NULL, "calxeda,hb-sregs"); @@ -300,7 +299,7 @@ static __init struct clk *hb_clk_init(struct device_node *node, const struct clk init.name = clk_name; init.ops = ops; - init.flags = 0; + init.flags = clkflags; parent_name = of_clk_get_parent_name(node, 0); init.parent_names = &parent_name; init.num_parents = 1; @@ -310,33 +309,31 @@ static __init struct clk *hb_clk_init(struct device_node *node, const struct clk rc = clk_hw_register(NULL, &hb_clk->hw); if (WARN_ON(rc)) { kfree(hb_clk); - return NULL; + return; } - rc = of_clk_add_hw_provider(node, of_clk_hw_simple_get, &hb_clk->hw); - return hb_clk->hw.clk; + of_clk_add_hw_provider(node, of_clk_hw_simple_get, &hb_clk->hw); } static void __init hb_pll_init(struct device_node *node) { - hb_clk_init(node, &clk_pll_ops); + hb_clk_init(node, &clk_pll_ops, 0); } CLK_OF_DECLARE(hb_pll, "calxeda,hb-pll-clock", hb_pll_init); static void __init hb_a9periph_init(struct device_node *node) { - hb_clk_init(node, &a9periphclk_ops); + hb_clk_init(node, &a9periphclk_ops, 0); } CLK_OF_DECLARE(hb_a9periph, "calxeda,hb-a9periph-clock", hb_a9periph_init); static void __init hb_a9bus_init(struct device_node *node) { - struct clk *clk = hb_clk_init(node, &a9bclk_ops); - clk_prepare_enable(clk); + hb_clk_init(node, &a9bclk_ops, CLK_IS_CRITICAL); } CLK_OF_DECLARE(hb_a9bus, "calxeda,hb-a9bus-clock", hb_a9bus_init); static void __init hb_emmc_init(struct device_node *node) { - hb_clk_init(node, &periclk_ops); + hb_clk_init(node, &periclk_ops, 0); } CLK_OF_DECLARE(hb_emmc, "calxeda,hb-emmc-clock", hb_emmc_init); |