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OMAP: PM: Hook into PM counters 

This patch modifies the clock, clockdomain and OMAP3 specific
powerdomain code to call the PM counter infrastructure whenever one or
more powerdomains might have changed state.

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 17:48:44 +03:00 committed by Kevin Hilman
parent ba20bb1269
commit fe617af716
3 changed files with 11 additions and 0 deletions
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2
arch/arm/mach-omap2/clock.c
View File

@ -1043,5 +1043,7 @@ void omap2_clk_disable_unused(struct clk *clk)
omap2_clk_disable(clk);
} else
_omap2_clk_disable(clk);
if (clk->clkdm != NULL)
pwrdm_clkdm_state_switch(clk->clkdm);
}
#endif

3
arch/arm/mach-omap2/clockdomain.c
View File

@ -574,6 +574,7 @@ int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk)
omap2_clkdm_wakeup(clkdm);
pwrdm_wait_transition(clkdm->pwrdm.ptr);
pwrdm_clkdm_state_switch(clkdm);
return 0;
}
@ -626,6 +627,8 @@ int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk)
else
omap2_clkdm_sleep(clkdm);
pwrdm_clkdm_state_switch(clkdm);
return 0;
}

6
arch/arm/mach-omap2/pm34xx.c
View File

@ -170,6 +170,8 @@ static void omap_sram_idle(void)
printk(KERN_ERR "Invalid mpu state in sram_idle\n");
return;
}
pwrdm_pre_transition();
omap2_gpio_prepare_for_retention();
omap_uart_prepare_idle(0);
omap_uart_prepare_idle(1);
@ -182,6 +184,9 @@ static void omap_sram_idle(void)
omap_uart_resume_idle(1);
omap_uart_resume_idle(0);
omap2_gpio_resume_after_retention();
pwrdm_post_transition();
}
/*
@ -271,6 +276,7 @@ static int set_pwrdm_state(struct powerdomain *pwrdm, u32 state)
if (sleep_switch) {
omap2_clkdm_allow_idle(pwrdm->pwrdm_clkdms[0]);
pwrdm_wait_transition(pwrdm);
pwrdm_state_switch(pwrdm);
}
err: