counter: 104-quad-8: Utilize iomap interface

[ Upstream commit b6e9cded ]

This driver doesn't need to access I/O ports directly via inb()/outb()
and friends. This patch abstracts such access by calling ioport_map()
to enable the use of more typical ioread8()/iowrite8() I/O memory
accessor calls.

Link: https://lore.kernel.org/r/861c003318dce3d2bef4061711643bb04f5ec14f.1652201921.git.william.gray@linaro.org


Cc: Syed Nayyar Waris <syednwaris@gmail.com>
Suggested-by: David Laight <David.Laight@ACULAB.COM>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Link: https://lore.kernel.org/r/e971b897cacfac4cb2eca478f5533d2875f5cadd.1657813472.git.william.gray@linaro.org


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stable-dep-of: 2bc54aaa

 ("counter: 104-quad-8: Fix skipped IRQ lines during events configuration")
Signed-off-by: Sasha Levin <sashal@kernel.org>