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OMAP: PM: Add closures to clkdm_for_each and pwrdm_for_each.

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Add some infrastructure to easily iterate over clock and power
domains.

Signed-off-by: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
This commit is contained in:
Peter 'p2' De Schrijver 2008-10-15 18:13:47 +03:00 committed by Kevin Hilman
parent fe617af716
commit a23456e9b0
5 changed files with 13 additions and 10 deletions
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5
arch/arm/mach-omap2/clockdomain.c
View File

@ -299,7 +299,8 @@ struct clockdomain *clkdm_lookup(const char *name)
* anything else to indicate failure; or -EINVAL if the function pointer
* is null.
*/
int clkdm_for_each(int (*fn)(struct clockdomain *clkdm))
int clkdm_for_each(int (*fn)(struct clockdomain *clkdm, void *user),
void *user)
{
struct clockdomain *clkdm;
int ret = 0;
@ -309,7 +310,7 @@ int clkdm_for_each(int (*fn)(struct clockdomain *clkdm))
mutex_lock(&clkdm_mutex);
list_for_each_entry(clkdm, &clkdm_list, node) {
ret = (*fn)(clkdm);
ret = (*fn)(clkdm, user);
if (ret)
break;
}

4
arch/arm/mach-omap2/pm24xx.c
View File

@ -333,7 +333,7 @@ static struct platform_suspend_ops omap_pm_ops = {
.valid = suspend_valid_only_mem,
};
static int _pm_clkdm_enable_hwsup(struct clockdomain *clkdm)
static int _pm_clkdm_enable_hwsup(struct clockdomain *clkdm, void *unused)
{
omap2_clkdm_allow_idle(clkdm);
return 0;
@ -385,7 +385,7 @@ static void __init prcm_setup_regs(void)
omap2_clkdm_sleep(gfx_clkdm);
/* Enable clockdomain hardware-supervised control for all clkdms */
clkdm_for_each(_pm_clkdm_enable_hwsup);
clkdm_for_each(_pm_clkdm_enable_hwsup, NULL);
/* Enable clock autoidle for all domains */
cm_write_mod_reg(OMAP24XX_AUTO_CAM |

8
arch/arm/mach-omap2/pm34xx.c
View File

@ -664,7 +664,7 @@ static void __init prcm_setup_regs(void)
omap3_d2d_idle();
}
static int __init pwrdms_setup(struct powerdomain *pwrdm)
static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused)
{
struct power_state *pwrst;
@ -689,7 +689,7 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm)
* supported. Initiate sleep transition for other clockdomains, if
* they are not used
*/
static int __init clkdms_setup(struct clockdomain *clkdm)
static int __init clkdms_setup(struct clockdomain *clkdm, void *unused)
{
if (clkdm->flags & CLKDM_CAN_ENABLE_AUTO)
omap2_clkdm_allow_idle(clkdm);
@ -722,13 +722,13 @@ static int __init omap3_pm_init(void)
goto err1;
}
ret = pwrdm_for_each(pwrdms_setup);
ret = pwrdm_for_each(pwrdms_setup, NULL);
if (ret) {
printk(KERN_ERR "Failed to setup powerdomains\n");
goto err2;
}
(void) clkdm_for_each(clkdms_setup);
(void) clkdm_for_each(clkdms_setup, NULL);
mpu_pwrdm = pwrdm_lookup("mpu_pwrdm");
if (mpu_pwrdm == NULL) {

3
arch/arm/plat-omap/include/mach/clockdomain.h
View File

@ -95,7 +95,8 @@ int clkdm_register(struct clockdomain *clkdm);
int clkdm_unregister(struct clockdomain *clkdm);
struct clockdomain *clkdm_lookup(const char *name);
int clkdm_for_each(int (*fn)(struct clockdomain *clkdm));
int clkdm_for_each(int (*fn)(struct clockdomain *clkdm, void *user),
void *user);
struct powerdomain *clkdm_get_pwrdm(struct clockdomain *clkdm);
void omap2_clkdm_allow_idle(struct clockdomain *clkdm);

3
arch/arm/plat-omap/include/mach/powerdomain.h
View File

@ -128,7 +128,8 @@ int pwrdm_register(struct powerdomain *pwrdm);
int pwrdm_unregister(struct powerdomain *pwrdm);
struct powerdomain *pwrdm_lookup(const char *name);
int pwrdm_for_each(int (*fn)(struct powerdomain *pwrdm));
int pwrdm_for_each(int (*fn)(struct powerdomain *pwrdm, void *user),
void *user);
int pwrdm_add_clkdm(struct powerdomain *pwrdm, struct clockdomain *clkdm);
int pwrdm_del_clkdm(struct powerdomain *pwrdm, struct clockdomain *clkdm);