]> git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/commit
rtc: sun6i: Add some locking
authorMaxime Ripard <maxime.ripard@free-electrons.com>
Mon, 23 Jan 2017 10:41:47 +0000 (11:41 +0100)
committerTim Gardner <tim.gardner@canonical.com>
Mon, 13 Mar 2017 21:20:54 +0000 (15:20 -0600)
commit84d9116bda0295594292f3656798d2a9cffce68a
tree9dce7beb981ea6df762b447a9c68dc5248edef0a
parentf54edad14996a413406223e3079e82a38938ec61
rtc: sun6i: Add some locking

BugLink: http://bugs.launchpad.net/bugs/1672544
commit a9422a19ce270a22fc520f2278fb7e80c58be508 upstream.

Some registers have a read-modify-write access pattern that are not atomic.

Add some locking to prevent from concurrent accesses.

Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
drivers/rtc/rtc-sun6i.c