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ARM: OMAP3/4: PRM: add support of late_init call to prm_ll_ops 

SoC specific late_init call is now registered during PRM init, and will
be called automatically by PRM core. This helps to get rid of some
redundant initcalls and cpu_is_X checks from the PRM code.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
This commit is contained in:
Tero Kristo 2014-03-31 18:15:45 +03:00 committed by Paul Walmsley
parent 2541d15f16
commit b550e47f5e
4 changed files with 16 additions and 8 deletions
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2
arch/arm/mach-omap2/prm.h
View File

@ -126,6 +126,7 @@ struct prm_reset_src_map {
* @read_reset_sources: ptr to the SoC PRM-specific get_reset_source impl
* @was_any_context_lost_old: ptr to the SoC PRM context loss test fn
* @clear_context_loss_flags_old: ptr to the SoC PRM context loss flag clear fn
* @late_init: ptr to the late init function
*
* XXX @was_any_context_lost_old and @clear_context_loss_flags_old are
* deprecated.
@ -134,6 +135,7 @@ struct prm_ll_data {
u32 (*read_reset_sources)(void);
bool (*was_any_context_lost_old)(u8 part, s16 inst, u16 idx);
void (*clear_context_loss_flags_old)(u8 part, s16 inst, u16 idx);
int (*late_init)(void);
};
extern int prm_register(struct prm_ll_data *pld);

7
arch/arm/mach-omap2/prm3xxx.c
View File

@ -401,8 +401,11 @@ struct pwrdm_ops omap3_pwrdm_operations = {
*
*/
static int omap3xxx_prm_late_init(void);
static struct prm_ll_data omap3xxx_prm_ll_data = {
.read_reset_sources = &omap3xxx_prm_read_reset_sources,
.late_init = &omap3xxx_prm_late_init,
};
int __init omap3xxx_prm_init(void)
@ -417,9 +420,6 @@ static int __init omap3xxx_prm_late_init(void)
{
int ret;
if (!cpu_is_omap34xx())
return 0;
if (!(prm_features & PRM_HAS_IO_WAKEUP))
return 0;
@ -431,7 +431,6 @@ static int __init omap3xxx_prm_late_init(void)
return ret;
}
omap_subsys_initcall(omap3xxx_prm_late_init);
static void __exit omap3xxx_prm_exit(void)
{

7
arch/arm/mach-omap2/prm44xx.c
View File

@ -650,6 +650,8 @@ struct pwrdm_ops omap4_pwrdm_operations = {
.pwrdm_has_voltdm = omap4_check_vcvp,
};
static int omap44xx_prm_late_init(void);
/*
* XXX document
*/
@ -657,6 +659,7 @@ static struct prm_ll_data omap44xx_prm_ll_data = {
.read_reset_sources = &omap44xx_prm_read_reset_sources,
.was_any_context_lost_old = &omap44xx_prm_was_any_context_lost_old,
.clear_context_loss_flags_old = &omap44xx_prm_clear_context_loss_flags_old,
.late_init = &omap44xx_prm_late_init,
};
int __init omap44xx_prm_init(void)
@ -669,9 +672,6 @@ int __init omap44xx_prm_init(void)
static int __init omap44xx_prm_late_init(void)
{
if (!cpu_is_omap44xx())
return 0;
if (!(prm_features & PRM_HAS_IO_WAKEUP))
return 0;
@ -679,7 +679,6 @@ static int __init omap44xx_prm_late_init(void)
return omap_prcm_register_chain_handler(&omap4_prcm_irq_setup);
}
omap_subsys_initcall(omap44xx_prm_late_init);
static void __exit omap44xx_prm_exit(void)
{

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

@ -527,3 +527,11 @@ int __init of_prcm_init(void)
return 0;
}
static int __init prm_late_init(void)
{
if (prm_ll_data->late_init)
return prm_ll_data->late_init();
return 0;
}
subsys_initcall(prm_late_init);