diff options
Diffstat (limited to 'arch/arm/mach-omap2/omap_hwmod.c')
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod.c | 63 |
1 files changed, 46 insertions, 17 deletions
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 139adca3bda1..68616b2b5b96 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -130,7 +130,7 @@ #include <linux/kernel.h> #include <linux/errno.h> #include <linux/io.h> -#include <linux/clk.h> +#include <linux/clk-provider.h> #include <linux/delay.h> #include <linux/err.h> #include <linux/list.h> @@ -614,6 +614,19 @@ static int _disable_wakeup(struct omap_hwmod *oh, u32 *v) return 0; } +static struct clockdomain *_get_clkdm(struct omap_hwmod *oh) +{ + struct clk_hw_omap *clk; + + if (oh->clkdm) { + return oh->clkdm; + } else if (oh->_clk) { + clk = to_clk_hw_omap(__clk_get_hw(oh->_clk)); + return clk->clkdm; + } + return NULL; +} + /** * _add_initiator_dep: prevent @oh from smart-idling while @init_oh is active * @oh: struct omap_hwmod * @@ -629,13 +642,18 @@ static int _disable_wakeup(struct omap_hwmod *oh, u32 *v) */ static int _add_initiator_dep(struct omap_hwmod *oh, struct omap_hwmod *init_oh) { - if (!oh->_clk) + struct clockdomain *clkdm, *init_clkdm; + + clkdm = _get_clkdm(oh); + init_clkdm = _get_clkdm(init_oh); + + if (!clkdm || !init_clkdm) return -EINVAL; - if (oh->_clk->clkdm && oh->_clk->clkdm->flags & CLKDM_NO_AUTODEPS) + if (clkdm && clkdm->flags & CLKDM_NO_AUTODEPS) return 0; - return clkdm_add_sleepdep(oh->_clk->clkdm, init_oh->_clk->clkdm); + return clkdm_add_sleepdep(clkdm, init_clkdm); } /** @@ -653,13 +671,18 @@ static int _add_initiator_dep(struct omap_hwmod *oh, struct omap_hwmod *init_oh) */ static int _del_initiator_dep(struct omap_hwmod *oh, struct omap_hwmod *init_oh) { - if (!oh->_clk) + struct clockdomain *clkdm, *init_clkdm; + + clkdm = _get_clkdm(oh); + init_clkdm = _get_clkdm(init_oh); + + if (!clkdm || !init_clkdm) return -EINVAL; - if (oh->_clk->clkdm && oh->_clk->clkdm->flags & CLKDM_NO_AUTODEPS) + if (clkdm && clkdm->flags & CLKDM_NO_AUTODEPS) return 0; - return clkdm_del_sleepdep(oh->_clk->clkdm, init_oh->_clk->clkdm); + return clkdm_del_sleepdep(clkdm, init_clkdm); } /** @@ -693,7 +716,7 @@ static int _init_main_clk(struct omap_hwmod *oh) */ clk_prepare(oh->_clk); - if (!oh->_clk->clkdm) + if (!_get_clkdm(oh)) pr_debug("omap_hwmod: %s: missing clockdomain for %s.\n", oh->name, oh->main_clk); @@ -1276,6 +1299,7 @@ static void _enable_sysc(struct omap_hwmod *oh) u8 idlemode, sf; u32 v; bool clkdm_act; + struct clockdomain *clkdm; if (!oh->class->sysc) return; @@ -1283,11 +1307,9 @@ static void _enable_sysc(struct omap_hwmod *oh) v = oh->_sysc_cache; sf = oh->class->sysc->sysc_flags; + clkdm = _get_clkdm(oh); if (sf & SYSC_HAS_SIDLEMODE) { - clkdm_act = ((oh->clkdm && - oh->clkdm->flags & CLKDM_ACTIVE_WITH_MPU) || - (oh->_clk && oh->_clk->clkdm && - oh->_clk->clkdm->flags & CLKDM_ACTIVE_WITH_MPU)); + clkdm_act = (clkdm && clkdm->flags & CLKDM_ACTIVE_WITH_MPU); if (clkdm_act && !(oh->class->sysc->idlemodes & (SIDLE_SMART | SIDLE_SMART_WKUP))) idlemode = HWMOD_IDLEMODE_FORCE; @@ -1489,11 +1511,12 @@ static int _init_clocks(struct omap_hwmod *oh, void *data) pr_debug("omap_hwmod: %s: looking up clocks\n", oh->name); + if (soc_ops.init_clkdm) + ret |= soc_ops.init_clkdm(oh); + ret |= _init_main_clk(oh); ret |= _init_interface_clks(oh); ret |= _init_opt_clks(oh); - if (soc_ops.init_clkdm) - ret |= soc_ops.init_clkdm(oh); if (!ret) oh->_state = _HWMOD_STATE_CLKS_INITED; @@ -3556,10 +3579,15 @@ struct powerdomain *omap_hwmod_get_pwrdm(struct omap_hwmod *oh) { struct clk *c; struct omap_hwmod_ocp_if *oi; + struct clockdomain *clkdm; + struct clk_hw_omap *clk; if (!oh) return NULL; + if (oh->clkdm) + return oh->clkdm->pwrdm.ptr; + if (oh->_clk) { c = oh->_clk; } else { @@ -3569,11 +3597,12 @@ struct powerdomain *omap_hwmod_get_pwrdm(struct omap_hwmod *oh) c = oi->_clk; } - if (!c->clkdm) + clk = to_clk_hw_omap(__clk_get_hw(c)); + clkdm = clk->clkdm; + if (!clkdm) return NULL; - return c->clkdm->pwrdm.ptr; - + return clkdm->pwrdm.ptr; } /** |