pinctrl: baytrail: Add missing spinlock usage in byt_gpio_irq_handler

According to VLI64 Intel Atom E3800 Specification Update (#329901)
concurrent read accesses may result in returning 0xffffffff and write
accesses may be dropped silently.
To workaround all accesses must be protected by locks.

Cc: stable@vger.kernel.org
Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

path: root/include/net/netns/core.h

#ifndef __NETNS_CORE_H__
#define __NETNS_CORE_H__

struct ctl_table_header;
struct prot_inuse;

struct netns_core {
	/* core sysctls */
	struct ctl_table_header	*sysctl_hdr;

	int	sysctl_somaxconn;

	struct prot_inuse __percpu *inuse;
};

#endif