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authorPeter 'p2' De Schrijver <peter.de-schrijver@nokia.com>2009-03-10 18:05:19 +0200
committerKevin Hilman <khilman@deeprootsystems.com>2009-11-11 14:42:50 -0800
commitda869621c3cd93d5a8361f243b50e5d48d12bd14 (patch)
treef1e8385925581893c7c2a9d4f4633712ff4f9fe5 /arch/arm
parent7139178e9baf44dab454b757ed91a9ee149ad0f2 (diff)
OMAP3: PM: idle: Remove fclk check for idle loop
This patch removes the check to see if some functional clocks are still enabled before entering sleep. This is no longer needed when using safe state (C1) that keeps CORE active. Signed-off-by: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-omap2/pm34xx.c42
1 files changed, 0 insertions, 42 deletions
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index c77f6db8a63..4e87b61ca04 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -461,54 +461,12 @@ void omap_sram_idle(void)
omap2_clkdm_allow_idle(mpu_pwrdm->pwrdm_clkdms[0]);
}
-/*
- * Check if functional clocks are enabled before entering
- * sleep. This function could be behind CONFIG_PM_DEBUG
- * when all drivers are configuring their sysconfig registers
- * properly and using their clocks properly.
- */
-static int omap3_fclks_active(void)
-{
- u32 fck_core1 = 0, fck_core3 = 0, fck_sgx = 0, fck_dss = 0,
- fck_cam = 0, fck_per = 0, fck_usbhost = 0;
-
- fck_core1 = cm_read_mod_reg(CORE_MOD,
- CM_FCLKEN1);
- if (omap_rev() > OMAP3430_REV_ES1_0) {
- fck_core3 = cm_read_mod_reg(CORE_MOD,
- OMAP3430ES2_CM_FCLKEN3);
- fck_sgx = cm_read_mod_reg(OMAP3430ES2_SGX_MOD,
- CM_FCLKEN);
- fck_usbhost = cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD,
- CM_FCLKEN);
- } else
- fck_sgx = cm_read_mod_reg(GFX_MOD,
- OMAP3430ES2_CM_FCLKEN3);
- fck_dss = cm_read_mod_reg(OMAP3430_DSS_MOD,
- CM_FCLKEN);
- fck_cam = cm_read_mod_reg(OMAP3430_CAM_MOD,
- CM_FCLKEN);
- fck_per = cm_read_mod_reg(OMAP3430_PER_MOD,
- CM_FCLKEN);
-
- /* Ignore UART clocks. These are handled by UART core (serial.c) */
- fck_core1 &= ~(OMAP3430_EN_UART1 | OMAP3430_EN_UART2);
- fck_per &= ~OMAP3430_EN_UART3;
-
- if (fck_core1 | fck_core3 | fck_sgx | fck_dss |
- fck_cam | fck_per | fck_usbhost)
- return 1;
- return 0;
-}
-
int omap3_can_sleep(void)
{
if (!sleep_while_idle)
return 0;
if (!omap_uart_can_sleep())
return 0;
- if (omap3_fclks_active())
- return 0;
return 1;
}