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yaml
---
r: 342449
b: refs/heads/master
c: f5dd3bb
h: refs/heads/master
i:
  342447: 62b6043
v: v3
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Rajendra Nayak authored and Paul Walmsley committed Nov 12, 2012
1 parent 5c73980 commit bb3f883
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Showing 2 changed files with 57 additions and 15 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: b5a2366c1833100aae0d00eaec4c15d15d290c85
refs/heads/master: f5dd3bb53ca45f3b47c6889e5920c562f5a37359
70 changes: 56 additions & 14 deletions trunk/arch/arm/mach-omap2/omap_hwmod.c
Original file line number Diff line number Diff line change
Expand Up @@ -130,7 +130,11 @@
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/io.h>
#ifdef CONFIG_COMMON_CLK
#include <linux/clk-provider.h>
#else
#include <linux/clk.h>
#endif
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/list.h>
Expand Down Expand Up @@ -614,6 +618,23 @@ static int _disable_wakeup(struct omap_hwmod *oh, u32 *v)
return 0;
}

static struct clockdomain *_get_clkdm(struct omap_hwmod *oh)
{
if (oh->clkdm) {
return oh->clkdm;
} else if (oh->_clk) {
#ifdef CONFIG_COMMON_CLK
struct clk_hw_omap *clk;

clk = to_clk_hw_omap(__clk_get_hw(oh->_clk));
return clk->clkdm;
#else
return oh->_clk->clkdm;
#endif
}
return NULL;
}

/**
* _add_initiator_dep: prevent @oh from smart-idling while @init_oh is active
* @oh: struct omap_hwmod *
Expand All @@ -629,13 +650,18 @@ 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);
}

/**
Expand All @@ -653,13 +679,18 @@ 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);
}

/**
Expand Down Expand Up @@ -693,7 +724,7 @@ 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);

Expand Down Expand Up @@ -1276,18 +1307,17 @@ static void _enable_sysc(struct omap_hwmod *oh)
u8 idlemode, sf;
u32 v;
bool clkdm_act;
struct clockdomain *clkdm;

if (!oh->class->sysc)
return;

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;
Expand Down Expand Up @@ -3556,10 +3586,17 @@ struct powerdomain *omap_hwmod_get_pwrdm(struct omap_hwmod *oh)
{
struct clk *c;
struct omap_hwmod_ocp_if *oi;
struct clockdomain *clkdm;
#ifdef CONFIG_COMMON_CLK
struct clk_hw_omap *clk;
#endif

if (!oh)
return NULL;

if (oh->clkdm)
return oh->clkdm->pwrdm.ptr;

if (oh->_clk) {
c = oh->_clk;
} else {
Expand All @@ -3569,11 +3606,16 @@ struct powerdomain *omap_hwmod_get_pwrdm(struct omap_hwmod *oh)
c = oi->_clk;
}

if (!c->clkdm)
#ifdef CONFIG_COMMON_CLK
clk = to_clk_hw_omap(__clk_get_hw(c));
clkdm = clk->clkdm;
#else
clkdm = c->clkdm;
#endif
if (!clkdm)
return NULL;

return c->clkdm->pwrdm.ptr;

return clkdm->pwrdm.ptr;
}

/**
Expand Down

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