regulator: fixed: Revert support for ACPI interface

This reverts commit 13bed58ce874 (regulator: fixed: add support for ACPI
interface).

While there does appear to be a practical need to manage regulators on ACPI
systems, using ad-hoc properties to describe regulators to the kernel presents
a number of problems (especially should ACPI gain first class support for such
things), and there are ongoing discussions as to how to manage this.

Until there is a rough consensus, revert commit 13bed58ce8748d43, which hasn't
been in a released kernel yet as discussed in [1] and the surrounding thread.

[1] http://lkml.kernel.org/r/20170125184949.x2wkoo7kbaaajkjk@sirena.org.uk

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Lu Baolu <baolu.lu@linux.intel.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Rafael J. Wysocki <rafael@kernel.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>

path: root/tools/build/feature/test-timerfd.c

/*
 * test for timerfd functions used by perf-kvm-stat-live
 */
#include <sys/timerfd.h>

int main(void)
{
	struct itimerspec new_value;

	int fd = timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK);
	if (fd < 0)
		return 1;

	if (timerfd_settime(fd, 0, &new_value, NULL) != 0)
		return 1;

	return 0;
}