This patch removes the check to see if some functional clocks are still enabled before entering sleep. Signed-off-by: Peter 'p2' De Schrijver <peter.de-schrijver@xxxxxxxxx> --- arch/arm/mach-omap2/pm34xx.c | 46 ------------------------------------------ 1 files changed, 0 insertions(+), 46 deletions(-) diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index e12ff2a..008a4d2 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -453,58 +453,12 @@ 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; - - /* Ignore GPIO clocks. Handled by GPIO prepare-idle hooks */ - fck_per &= ~(OMAP3430_EN_GPIO2 | OMAP3430_EN_GPIO3 | - OMAP3430_EN_GPIO4 | OMAP3430_EN_GPIO5 | OMAP3430_EN_GPIO6); - - 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 (!enable_dyn_sleep) return 0; if (!omap_uart_can_sleep()) return 0; - if (omap3_fclks_active()) - return 0; if (atomic_read(&sleep_block) > 0) return 0; return 1; -- 1.5.6.3 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html