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ARM: OMAP2+: Drop unused enable_wakeup and disable_wakeup

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We're only using static _enable_wakeup(), the others have no callers.

Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Tony Lindgren 2019-10-16 08:21:50 -07:00
parent 54ecb8f702
commit 645ad6f3ca
2 changed files with 0 additions and 100 deletions
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97
arch/arm/mach-omap2/omap_hwmod.c
View File

@ -623,39 +623,6 @@ static int _enable_wakeup(struct omap_hwmod *oh, u32 *v)
return 0;
}
/**
* _disable_wakeup: clear OCP_SYSCONFIG.ENAWAKEUP bit in the hardware
* @oh: struct omap_hwmod *
*
* Prevent the hardware module @oh to send wakeups. Returns -EINVAL
* upon error or 0 upon success.
*/
static int _disable_wakeup(struct omap_hwmod *oh, u32 *v)
{
if (!oh->class->sysc ||
!((oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP) ||
(oh->class->sysc->idlemodes & SIDLE_SMART_WKUP) ||
(oh->class->sysc->idlemodes & MSTANDBY_SMART_WKUP)))
return -EINVAL;
if (!oh->class->sysc->sysc_fields) {
WARN(1, "omap_hwmod: %s: offset struct for sysconfig not provided in class\n", oh->name);
return -EINVAL;
}
if (oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP)
*v &= ~(0x1 << oh->class->sysc->sysc_fields->enwkup_shift);
if (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP)
_set_slave_idlemode(oh, HWMOD_IDLEMODE_SMART, v);
if (oh->class->sysc->idlemodes & MSTANDBY_SMART_WKUP)
_set_master_standbymode(oh, HWMOD_IDLEMODE_SMART, v);
/* XXX test pwrdm_get_wken for this hwmod's subsystem */
return 0;
}
static struct clockdomain *_get_clkdm(struct omap_hwmod *oh)
{
struct clk_hw_omap *clk;
@ -3867,70 +3834,6 @@ void __iomem *omap_hwmod_get_mpu_rt_va(struct omap_hwmod *oh)
* for context save/restore operations?
*/
/**
* omap_hwmod_enable_wakeup - allow device to wake up the system
* @oh: struct omap_hwmod *
*
* Sets the module OCP socket ENAWAKEUP bit to allow the module to
* send wakeups to the PRCM, and enable I/O ring wakeup events for
* this IP block if it has dynamic mux entries. Eventually this
* should set PRCM wakeup registers to cause the PRCM to receive
* wakeup events from the module. Does not set any wakeup routing
* registers beyond this point - if the module is to wake up any other
* module or subsystem, that must be set separately. Called by
* omap_device code. Returns -EINVAL on error or 0 upon success.
*/
int omap_hwmod_enable_wakeup(struct omap_hwmod *oh)
{
unsigned long flags;
u32 v;
spin_lock_irqsave(&oh->_lock, flags);
if (oh->class->sysc &&
(oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP)) {
v = oh->_sysc_cache;
_enable_wakeup(oh, &v);
_write_sysconfig(v, oh);
}
spin_unlock_irqrestore(&oh->_lock, flags);
return 0;
}
/**
* omap_hwmod_disable_wakeup - prevent device from waking the system
* @oh: struct omap_hwmod *
*
* Clears the module OCP socket ENAWAKEUP bit to prevent the module
* from sending wakeups to the PRCM, and disable I/O ring wakeup
* events for this IP block if it has dynamic mux entries. Eventually
* this should clear PRCM wakeup registers to cause the PRCM to ignore
* wakeup events from the module. Does not set any wakeup routing
* registers beyond this point - if the module is to wake up any other
* module or subsystem, that must be set separately. Called by
* omap_device code. Returns -EINVAL on error or 0 upon success.
*/
int omap_hwmod_disable_wakeup(struct omap_hwmod *oh)
{
unsigned long flags;
u32 v;
spin_lock_irqsave(&oh->_lock, flags);
if (oh->class->sysc &&
(oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP)) {
v = oh->_sysc_cache;
_disable_wakeup(oh, &v);
_write_sysconfig(v, oh);
}
spin_unlock_irqrestore(&oh->_lock, flags);
return 0;
}
/**
* omap_hwmod_assert_hardreset - assert the HW reset line of submodules
* contained in the hwmod module.

3
arch/arm/mach-omap2/omap_hwmod.h
View File

@ -646,9 +646,6 @@ int omap_hwmod_get_resource_byname(struct omap_hwmod *oh, unsigned int type,
struct powerdomain *omap_hwmod_get_pwrdm(struct omap_hwmod *oh);
void __iomem *omap_hwmod_get_mpu_rt_va(struct omap_hwmod *oh);
int omap_hwmod_enable_wakeup(struct omap_hwmod *oh);
int omap_hwmod_disable_wakeup(struct omap_hwmod *oh);
int omap_hwmod_for_each_by_class(const char *classname,
int (*fn)(struct omap_hwmod *oh,
void *user),