C++ (Cpp) mmio_owner_p Examples

Example #1

File: modem_ctl.c Project: AntonX/android_kernel_gb_sgs4g

int modem_acquire_mmio(struct modemctl *mc)
{
	if (modem_request_mmio(mc) == 0)
		if (wait_event_interruptible(mc->wq, mmio_owner_p(mc))) {
			modem_release_mmio(mc, 0);
			return -ERESTARTSYS;
		}
	if (!modem_running(mc)) {
		modem_release_mmio(mc, 0);
		return -ENODEV;
	}
	return 0;
}

Example #2

int modem_acquire_mmio(struct modemctl *mc)
{
    if (modem_request_mmio(mc) == 0) {
        int ret = wait_event_interruptible_timeout(
                      mc->wq, mmio_owner_p(mc), 5 * HZ);
        if (ret <= 0) {
            modem_release_mmio(mc, 0);
            if (ret == 0) {
                pr_err("modem_acquire_mmio() TIMEOUT\n");
                return -ENODEV;
            } else {
                return -ERESTARTSYS;
            }
        }
    }
    if (!modem_running(mc)) {
        modem_release_mmio(mc, 0);
        return -ENODEV;
    }
    return 0;
}