linux-imx

// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0

/*******************************************************************************

 *

 * Module Name: evsci - System Control Interrupt configuration and

 *                      legacy to ACPI mode state transition functions

 *

 ******************************************************************************/

​

#include <acpi/acpi.h>

#include "accommon.h"

#include "acevents.h"

​

#define _COMPONENT          ACPI_EVENTS

ACPI_MODULE_NAME("evsci")

#if (!ACPI_REDUCED_HARDWARE)    /* Entire module */

/* Local prototypes */

static u32 ACPI_SYSTEM_XFACE acpi_ev_sci_xrupt_handler(void *context);

​

/*******************************************************************************

 *

 * FUNCTION:    acpi_ev_sci_dispatch

 *

 * PARAMETERS:  None

 *

 * RETURN:      Status code indicates whether interrupt was handled.

 *

 * DESCRIPTION: Dispatch the SCI to all host-installed SCI handlers.

 *

 ******************************************************************************/

​

u32 acpi_ev_sci_dispatch(void)

{

    struct acpi_sci_handler_info *sci_handler;

    acpi_cpu_flags flags;

    u32 int_status = ACPI_INTERRUPT_NOT_HANDLED;

​

    ACPI_FUNCTION_NAME(ev_sci_dispatch);

​

    /* Are there any host-installed SCI handlers? */

​

    if (!acpi_gbl_sci_handler_list) {

        return (int_status);

    }

​

    flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);

​

    /* Invoke all host-installed SCI handlers */

​

    sci_handler = acpi_gbl_sci_handler_list;

    while (sci_handler) {

​

        /* Invoke the installed handler (at interrupt level) */

​

        int_status |= sci_handler->address(sci_handler->context);

​

        sci_handler = sci_handler->next;

    }

​

    acpi_os_release_lock(acpi_gbl_gpe_lock, flags);

    return (int_status);

}

​

/*******************************************************************************