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/net/kcm/Kconfig

config AF_KCM
	tristate "KCM sockets"
	depends on INET
	select BPF_SYSCALL
	select STREAM_PARSER
	---help---
	  KCM (Kernel Connection Multiplexor) sockets provide a method
	  for multiplexing messages of a message based application
	  protocol over kernel connectons (e.g. TCP connections).