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ARM: OMAP: hwmod: Fix up hwmod based clkdm accesses

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hwmod uses deferencing the clk pointer to acccess the clkdm.
With COMMON clk hwoever this will need to be deferenced through
the clk_hw_omap pointer, so do the necessary changes.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Mike Turquette <mturquette@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
This commit is contained in:
Rajendra Nayak 2012-11-10 16:58:41 -07:00 committed by Paul Walmsley
parent b5a2366c18
commit f5dd3bb53c
1 changed files with 56 additions and 14 deletions
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70
arch/arm/mach-omap2/omap_hwmod.c
View file

@ -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>
@ -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 *
@ -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);
}
/**
@ -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);
}
/**
@ -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);
@ -1276,6 +1307,7 @@ 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 +1315,9 @@ 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;
@ -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 {
@ -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;
}
/**