diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-omap2/pm34xx.c | 42 |
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; } |