asmlinkage __visible void xen_maybe_preempt_hcall(void)
{
if (unlikely(__this_cpu_read(xen_in_preemptible_hcall)
&& need_resched())) {
/*
* Clear flag as we may be rescheduled on a different
* cpu.
*/
__this_cpu_write(xen_in_preemptible_hcall, false);
_cond_resched();
__this_cpu_write(xen_in_preemptible_hcall, true);
}
}
static int hinfc504_os_suspend(struct platform_device *pltdev,
pm_message_t state)
{
struct hinfc_host *host = platform_get_drvdata(pltdev);
while ((hinfc_read(host, HINFC504_STATUS ) & 0x1) == 0x0)
;
while ((hinfc_read(host, HINFC504_DMA_CTRL))
& HINFC504_DMA_CTRL_DMA_START)
_cond_resched();
host->enable(host, DISABLE);
return 0;
}