diff options
author | Robert Jarzmik <robert.jarzmik@free.fr> | 2014-10-07 01:07:58 +0200 |
---|---|---|
committer | Michael Turquette <mturquette@linaro.org> | 2014-11-17 11:27:44 -0800 |
commit | 14dd5b01ae86760142157a5259b7f798eb840697 (patch) | |
tree | 97eb3cd234b50ee3081ecb91a53fc99ff49967e3 /drivers/clk/pxa | |
parent | fe7710fae477f648773648ea0a05b079c5b66667 (diff) | |
download | linux-14dd5b01ae86760142157a5259b7f798eb840697.tar.bz2 |
clk: pxa: declare init function and data __init
As the clock descriptions are constant and only usefull at init time,
mark them as such by :
- spliting clock description (desc) and clock private data (dynamic)
- mark __initdata clock descriptions
This makes all the register and descriptions of the clocks to go after
kernel init phase.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
Diffstat (limited to 'drivers/clk/pxa')
-rw-r--r-- | drivers/clk/pxa/clk-pxa.c | 42 | ||||
-rw-r--r-- | drivers/clk/pxa/clk-pxa.h | 8 | ||||
-rw-r--r-- | drivers/clk/pxa/clk-pxa27x.c | 2 |
3 files changed, 32 insertions, 20 deletions
diff --git a/drivers/clk/pxa/clk-pxa.c b/drivers/clk/pxa/clk-pxa.c index ef3c05389c0a..994fd6fc266f 100644 --- a/drivers/clk/pxa/clk-pxa.c +++ b/drivers/clk/pxa/clk-pxa.c @@ -26,12 +26,20 @@ static struct clk_onecell_data onecell_data = { .clk_num = CLK_MAX, }; -#define to_pxa_clk(_hw) container_of(_hw, struct pxa_clk_cken, hw) +struct pxa_clk { + struct clk_hw hw; + struct clk_fixed_factor lp; + struct clk_fixed_factor hp; + struct clk_gate gate; + bool (*is_in_low_power)(void); +}; + +#define to_pxa_clk(_hw) container_of(_hw, struct pxa_clk, hw) static unsigned long cken_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { - struct pxa_clk_cken *pclk = to_pxa_clk(hw); + struct pxa_clk *pclk = to_pxa_clk(hw); struct clk_fixed_factor *fix; if (!pclk->is_in_low_power || pclk->is_in_low_power()) @@ -48,7 +56,7 @@ static struct clk_ops cken_rate_ops = { static u8 cken_get_parent(struct clk_hw *hw) { - struct pxa_clk_cken *pclk = to_pxa_clk(hw); + struct pxa_clk *pclk = to_pxa_clk(hw); if (!pclk->is_in_low_power) return 0; @@ -69,23 +77,27 @@ void __init clkdev_pxa_register(int ckid, const char *con_id, clk_register_clkdev(clk, con_id, dev_id); } -int __init clk_pxa_cken_init(struct pxa_clk_cken *clks, int nb_clks) +int __init clk_pxa_cken_init(const struct desc_clk_cken *clks, int nb_clks) { int i; - struct pxa_clk_cken *pclk; + struct pxa_clk *pxa_clk; struct clk *clk; for (i = 0; i < nb_clks; i++) { - pclk = clks + i; - pclk->gate.lock = &lock; - clk = clk_register_composite(NULL, pclk->name, - pclk->parent_names, 2, - &pclk->hw, &cken_mux_ops, - &pclk->hw, &cken_rate_ops, - &pclk->gate.hw, &clk_gate_ops, - pclk->flags); - clkdev_pxa_register(pclk->ckid, pclk->con_id, pclk->dev_id, - clk); + pxa_clk = kzalloc(sizeof(*pxa_clk), GFP_KERNEL); + pxa_clk->is_in_low_power = clks[i].is_in_low_power; + pxa_clk->lp = clks[i].lp; + pxa_clk->hp = clks[i].hp; + pxa_clk->gate = clks[i].gate; + pxa_clk->gate.lock = &lock; + clk = clk_register_composite(NULL, clks[i].name, + clks[i].parent_names, 2, + &pxa_clk->hw, &cken_mux_ops, + &pxa_clk->hw, &cken_rate_ops, + &pxa_clk->gate.hw, &clk_gate_ops, + clks[i].flags); + clkdev_pxa_register(clks[i].ckid, clks[i].con_id, + clks[i].dev_id, clk); } return 0; } diff --git a/drivers/clk/pxa/clk-pxa.h b/drivers/clk/pxa/clk-pxa.h index 5fe219d06b49..7b8d48e8e17e 100644 --- a/drivers/clk/pxa/clk-pxa.h +++ b/drivers/clk/pxa/clk-pxa.h @@ -25,7 +25,7 @@ static struct clk_ops name ## _rate_ops = { \ .recalc_rate = name ## _get_rate, \ }; \ - static struct clk *clk_register_ ## name(void) \ + static struct clk * __init clk_register_ ## name(void) \ { \ return clk_register_composite(NULL, clk_name, \ name ## _parents, \ @@ -40,7 +40,7 @@ static struct clk_ops name ## _rate_ops = { \ .recalc_rate = name ## _get_rate, \ }; \ - static struct clk *clk_register_ ## name(void) \ + static struct clk * __init clk_register_ ## name(void) \ { \ return clk_register_composite(NULL, clk_name, \ name ## _parents, \ @@ -66,7 +66,7 @@ * | Clock | --- | / div_hp | * +------------+ +-----------+ */ -struct pxa_clk_cken { +struct desc_clk_cken { struct clk_hw hw; int ckid; const char *name; @@ -102,6 +102,6 @@ static int dummy_clk_set_parent(struct clk_hw *hw, u8 index) extern void clkdev_pxa_register(int ckid, const char *con_id, const char *dev_id, struct clk *clk); -extern int clk_pxa_cken_init(struct pxa_clk_cken *clks, int nb_clks); +extern int clk_pxa_cken_init(const struct desc_clk_cken *clks, int nb_clks); #endif diff --git a/drivers/clk/pxa/clk-pxa27x.c b/drivers/clk/pxa/clk-pxa27x.c index b345cc791e5d..24c1d2454c75 100644 --- a/drivers/clk/pxa/clk-pxa27x.c +++ b/drivers/clk/pxa/clk-pxa27x.c @@ -111,7 +111,7 @@ PARENTS(pxa27x_membus) = { "lcd_base", "lcd_base" }; PXA_CKEN_1RATE(dev_id, con_id, bit, parents, \ &CKEN, CKEN_ ## bit, CLK_IGNORE_UNUSED) -static struct pxa_clk_cken pxa27x_clocks[] = { +static struct desc_clk_cken pxa27x_clocks[] __initdata = { PXA27X_PBUS_CKEN("pxa2xx-uart.0", NULL, FFUART, 2, 42, 1), PXA27X_PBUS_CKEN("pxa2xx-uart.1", NULL, BTUART, 2, 42, 1), PXA27X_PBUS_CKEN("pxa2xx-uart.2", NULL, STUART, 2, 42, 1), |