| /linux/drivers/soc/tegra/ |
| H A D | flowctrl.c | 82 /* clear wfi bitmap */ in flowctrl_cpu_suspend_enter()
92 /* clear wfi bitmap */ in flowctrl_cpu_suspend_enter()
97 * The wfi doesn't work well on Tegra30 because in flowctrl_cpu_suspend_enter()
102 * wfi should be used for the "Cluster Switching", in flowctrl_cpu_suspend_enter()
108 /* pwr gating on wfi */ in flowctrl_cpu_suspend_enter()
138 /* clear wfi bitmap */ in flowctrl_cpu_suspend_exit()
146 /* clear wfi bitmap */ in flowctrl_cpu_suspend_exit()
|
| /linux/arch/arm/include/asm/ |
| H A D | cpuidle.h | 17 /* Common ARM WFI state */
23 .name = "WFI",\
24 .desc = "ARM WFI",\
28 * in case power_specified == 1, give a default WFI power value needed
|
| H A D | barrier.h | 13 #define wfi() __asm__ __volatile__ ("wfi" : : : "memory") macro
|
| /linux/drivers/cpuidle/ |
| H A D | cpuidle-arm.c | 49 * State at index 0 is standby wfi and considered standard
50 * on all ARM platforms. If in some platforms simple wfi
60 .name = "WFI",
61 .desc = "ARM WFI",
94 * wfi is supported. in arm_idle_init_cpu()
|
| H A D | cpuidle-ux500.c | 34 goto wfi; in ux500_enter_idle()
47 * cpu is in WFI, we have the guarantee it won't be wake in ux500_enter_idle()
67 * cpu to go WFI and this is what happens after exiting this in ux500_enter_idle()
78 wfi: in ux500_enter_idle()
|
| H A D | cpuidle-psci.c | 260 state_count++; /* Add WFI state too */ in psci_dt_cpu_init_idle()
358 * PSCI idle states relies on architectural WFI to be represented as in psci_idle_init_cpu()
365 strcpy(drv->states[0].name, "WFI"); in psci_idle_init_cpu()
366 strcpy(drv->states[0].desc, "ARM WFI"); in psci_idle_init_cpu()
371 * initialize the idle driver if only wfi is supported, the in psci_idle_init_cpu()
372 * default archictectural back-end already executes wfi in psci_idle_init_cpu()
|
| H A D | cpuidle-riscv-sbi.c | 301 /* RISC-V architectural WFI to be represented as state index 0. */ in sbi_cpuidle_init_cpu()
306 strcpy(drv->states[0].name, "WFI"); in sbi_cpuidle_init_cpu()
307 strcpy(drv->states[0].desc, "RISC-V WFI"); in sbi_cpuidle_init_cpu()
312 * initialize the idle driver if only wfi is supported, the in sbi_cpuidle_init_cpu()
313 * default archictectural back-end already executes wfi in sbi_cpuidle_init_cpu()
322 state_count = ret + 1; /* Include WFI state as well */ in sbi_cpuidle_init_cpu()
|
| H A D | cpuidle-qcom-spm.c | 50 * ARM common code executes WFI without calling into our driver and in qcom_cpu_spc()
77 .name = "WFI",
78 .desc = "ARM WFI",
|
| H A D | cpuidle-big_little.c | 203 /* Start at index 1, index 0 standard WFI */ in bl_idle_init()
208 /* Start at index 1, index 0 standard WFI */ in bl_idle_init()
|
| /linux/arch/arm/mach-omap2/ |
| H A D | sleep34xx.S | 116 * and executes the WFI instruction. Calling WFI effectively changes the
142 * For OFF mode: save context and jump to WFI in SDRAM (omap3_do_wfi)
143 * For non-OFF modes: jump to the WFI code in SRAM (omap3_do_wfi_sram)
148 bxeq r5 @ jump to the WFI code in SRAM
191 * == WFI instruction => Enter idle ==
196 * Do WFI instruction
217 * == WFI instruction => Enter idle ==
220 wfi @ wait for interrupt
339 * when back from WFI in OFF mode.
|
| H A D | sleep33xx.S | 111 * For the MPU WFI to be registered as an interrupt
136 * Execute a WFI instruction and wait until the
139 * prefetch the instructions so add NOPs after WFI. Thirteen
142 wfi
|
| H A D | sleep44xx.S | 42 * power down sequence. Calling WFI effectively changes the CPU
51 * Post WFI, CPU transitions to DORMANT or OFF power state and on wake-up
64 beq do_WFI @ No lowpower state, jump to WFI
353 * Execute a WFI instruction and wait until the
356 * prefetch the instructions so add NOPs after WFI. Sixteen
359 wfi @ Wait For Interrupt
|
| H A D | omap4-common.c | 87 * OMAP4 Errata i688 - asynchronous bridge corruption when entering WFI.
99 * Request Disconnection (which is trigged by software when executing WFI
104 * before issuing WFI. This condition will be met if one Strongly ordered
105 * access is performed to the target right before executing the WFI.
113 * as well, and is necessary prior to executing a WFI.
|
| H A D | sleep43xx.S | 240 * For the MPU WFI to be registered as an interrupt
266 * Execute a WFI instruction and wait until the
269 * prefetch the instructions so add NOPs after WFI. Sixteen
272 wfi
|
| /linux/arch/arm/mach-versatile/ |
| H A D | hotplug.c | 61 * we can do is put the core into WFI; this is safe as the calling in versatile_immitation_do_lowpower()
67 wfi(); in versatile_immitation_do_lowpower()
77 * Getting here, means that we have come out of WFI without in versatile_immitation_do_lowpower()
|
| /linux/arch/arm/mach-socfpga/ |
| H A D | platsmp.c | 94 /* Do WFI. If we wake up early, go back into WFI */ in socfpga_cpu_die()
102 * anything, because CPUs going offline just do WFI. We could reset
|
| /linux/arch/arm/mach-milbeaut/ |
| H A D | platsmp.c | 73 wfi(); in m10v_cpu_die()
110 asm("wfi"); in m10v_die()
122 asm("wfi"); in m10v_pm_enter()
|
| /linux/include/linux/platform_data/ |
| H A D | pm33xx.h | 16 * WFI Flags for sleep code control
29 * execute when WFI instruction executes.
|
| /linux/arch/arm/mach-spear/ |
| H A D | hotplug.c | 57 wfi(); in spear13xx_do_lowpower()
67 * Getting here, means that we have come out of WFI without in spear13xx_do_lowpower()
|
| /linux/arch/arm/mach-mvebu/ |
| H A D | pmsu.c | 233 * Adjust the PMSU configuration to wait for WFI signal, enable in mvebu_v7_pmsu_idle_prepare()
283 wfi(); in armada_370_xp_pmsu_idle_enter()
285 /* If we are here, wfi failed. As processors run out of in armada_370_xp_pmsu_idle_enter()
556 wfi(); in mvebu_pmsu_dfs_request_local()
|
| /linux/arch/arm/mach-exynos/ |
| H A D | platsmp.c | 56 /* Turn the CPU off on next WFI instruction. */ in platform_do_lowpower()
59 wfi(); in platform_do_lowpower()
69 * Getting here, means that we have come out of WFI without in platform_do_lowpower()
|
| /linux/arch/arm/mach-s5pv210/ |
| H A D | pm.c | 98 "wfi" : : "r" (tmp)); in s5pv210_cpu_suspend()
121 /* WFI for SLEEP mode configuration by SYSCON */ in s5pv210_pm_prepare()
|
| /linux/arch/arm/mach-ux500/ |
| H A D | pm.c | 19 /* ARM WFI Standby signal register */
125 * This function checks if the specified cpu is in WFI. It's usage
|
| /linux/arch/riscv/include/asm/ |
| H A D | cpuidle.h | 18 * to entering WFI. in cpu_do_idle()
|
| /linux/arch/arm64/kernel/ |
| H A D | head.S | 423 wfi
504 wfi
517 wfi
|