Source of fan.c - linux-imx - PHYTEC BitBucket (Stash)

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        return status;
​
    obj = buffer.pointer;
    if (!obj || obj->type != ACPI_TYPE_PACKAGE || obj->package.count < 2) {
        dev_err(&device->dev, "Invalid _FPS data\n");
        status = -EINVAL;
        goto err;
    }
​
    fan->fps_count = obj->package.count - 1; /* minus revision field */
    fan->fps = devm_kzalloc(&device->dev,
                fan->fps_count * sizeof(struct acpi_fan_fps),
    fan->fps = devm_kcalloc(&device->dev,
                fan->fps_count, sizeof(struct acpi_fan_fps),
                GFP_KERNEL);
    if (!fan->fps) {
        dev_err(&device->dev, "Not enough memory\n");
        status = -ENOMEM;
        goto err;
    }
    for (i = 0; i < fan->fps_count; i++) {
        struct acpi_buffer format = { sizeof("NNNNN"), "NNNNN" };
        struct acpi_buffer fps = { sizeof(fan->fps[i]), &fan->fps[i] };
        status = acpi_extract_package(&obj->package.elements[i + 1],