128  * this threshold, will think there is a GPE storm happened and
129  * will disable the GPE for normal transaction.
133 MODULE_PARM_DESC(ec_storm_threshold, "Maxim false GPE numbers not considered as GPE storm");
184 static int EC_FLAGS_TRUST_DSDT_GPE; /* Needs DSDT GPE as correction setting */
334  *                           GPE Registers
341 	(void)acpi_get_gpe_status(NULL, ec->gpe, &gpe_status);  in acpi_ec_gpe_status_set()
348 		acpi_enable_gpe(NULL, ec->gpe);  in acpi_ec_enable_gpe()
351 		acpi_set_gpe(NULL, ec->gpe, ACPI_GPE_ENABLE);  in acpi_ec_enable_gpe()
355 		 * On some platforms, EN=1 writes cannot trigger GPE. So  in acpi_ec_enable_gpe()
356 		 * software need to manually trigger a pseudo GPE event on  in acpi_ec_enable_gpe()
367 		acpi_disable_gpe(NULL, ec->gpe);  in acpi_ec_disable_gpe()
370 		acpi_set_gpe(NULL, ec->gpe, ACPI_GPE_DISABLE);  in acpi_ec_disable_gpe()
382 	    ec->gpe >= 0 && ec->reference_count == 1)  in acpi_ec_submit_request()
392 	    ec->gpe >= 0 && ec->reference_count == 0)  in acpi_ec_complete_request()
402 		if (ec->gpe >= 0)  in acpi_ec_mask_events()
416 		if (ec->gpe >= 0)  in acpi_ec_unmask_events()
738 			 *    GPE handler after the transaction enters  in ec_guard()
788 	/* Enable GPE for command processing (IBF=0/OBF=1) */  in acpi_ec_transaction_unlocked()
807 	/* Disable GPE for command processing (IBF=0/OBF=1) */  in acpi_ec_transaction_unlocked()
944 		/* Enable GPE for event processing (SCI_EVT=1) */  in acpi_ec_start()
976 		/* Disable GPE for event processing (SCI_EVT=1) */  in acpi_ec_stop()
1274 	 * changes to always trigger a GPE interrupt.  in clear_gpe_and_advance_transaction()
1276 	 * GPE STS is a W1C register, which means:  in clear_gpe_and_advance_transaction()
1284 	if (ec->gpe >= 0 && acpi_ec_gpe_status_set(ec))  in clear_gpe_and_advance_transaction()
1285 		acpi_clear_gpe(NULL, ec->gpe);  in clear_gpe_and_advance_transaction()
1386 	ec->gpe = -1;  in acpi_ec_alloc()
1425 	/* Get GPE bit assignment (EC events). */  in ec_parse_device()
1429 		ec->gpe = tmp;  in ec_parse_device()
1432 	 * platforms which use GpioInt instead of GPE.  in ec_parse_device()
1447 	status = acpi_install_gpe_raw_handler(NULL, ec->gpe,  in install_gpe_event_handler()
1473  * namespace and register them, and install an event (either GPE or GPIO IRQ)
1511 	if (ec->gpe < 0) {  in ec_install_handlers()
1534 		if (ec->gpe >= 0)  in ec_install_handlers()
1569 	 * Flushes the EC requests and thus disables the GPE before  in ec_remove_handlers()
1570 	 * removing the GPE handler. This is required by the current ACPICA  in ec_remove_handlers()
1571 	 * GPE core. ACPICA GPE core will automatically disable a GPE when  in ec_remove_handlers()
1573 	 * must disable the GPEs prior to removing the GPE handlers.  in ec_remove_handlers()
1578 		if (ec->gpe >= 0 &&  in ec_remove_handlers()
1579 		    ACPI_FAILURE(acpi_remove_gpe_handler(NULL, ec->gpe,  in ec_remove_handlers()
1581 			pr_err("failed to remove gpe handler\n");  in ec_remove_handlers()
1610 		if (ec->gpe >= 0)  in acpi_ec_setup()
1611 			pr_info("GPE=0x%x\n", ec->gpe);  in acpi_ec_setup()
1648 			 * But trust ECDT GPE rather than _GPE because of ASUS  in acpi_ec_add()
1649 			 * quirks. So do not change boot_ec->gpe to ec->gpe,  in acpi_ec_add()
1655 				boot_ec->gpe = ec->gpe;  in acpi_ec_add()
1779 	 * At this point, the GPE is not fully initialized, so do not to  in acpi_ec_dsdt_probe()
1872  * Some ECDTs contain wrong GPE setting, but they share the same port addresses
1878 	pr_debug("Detected system needing DSDT GPE setting.\n");  in ec_honor_dsdt_gpe()
1985 	 * Ignore the GPE value on Reduced Hardware platforms.  in acpi_ec_ecdt_probe()
1989 		ec->gpe = ecdt_ptr->gpe;  in acpi_ec_ecdt_probe()
2028 	 * The SCI handler doesn't run at this point, so the GPE can be  in acpi_ec_suspend_noirq()
2032 	    ec->gpe >= 0 && ec->reference_count >= 1)  in acpi_ec_suspend_noirq()
2033 		acpi_set_gpe(NULL, ec->gpe, ACPI_GPE_DISABLE);  in acpi_ec_suspend_noirq()
2047 	    ec->gpe >= 0 && ec->reference_count >= 1)  in acpi_ec_resume_noirq()
2048 		acpi_set_gpe(NULL, ec->gpe, ACPI_GPE_ENABLE);  in acpi_ec_resume_noirq()
2065 		acpi_mark_gpe_for_wake(NULL, first_ec->gpe);  in acpi_ec_mark_gpe_for_wake()
2072 		acpi_set_gpe_wake_mask(NULL, first_ec->gpe, action);  in acpi_ec_set_gpe_wake_mask()
2088 	 * Report wakeup if the status bit is set for any enabled GPE other  in acpi_ec_dispatch_gpe()
2091 	if (acpi_any_gpe_status_set(first_ec->gpe))  in acpi_ec_dispatch_gpe()
2105 	 * Dispatch the EC GPE in-band, but do not report wakeup in any case  in acpi_ec_dispatch_gpe()
2111 		pm_pr_dbg("ACPI EC GPE status set\n");  in acpi_ec_dispatch_gpe()
2122 	pm_pr_dbg("ACPI EC GPE dispatched\n");  in acpi_ec_dispatch_gpe()
2255 	 * wakeup from EC GPE.  in acpi_ec_init()