net: phy: introduce phy_read_poll_timeout macro
authorDejin Zheng <zhengdejin5@gmail.com>
Mon, 23 Mar 2020 15:05:57 +0000 (23:05 +0800)
committerDavid S. Miller <davem@davemloft.net>
Tue, 24 Mar 2020 05:00:02 +0000 (22:00 -0700)
commitfcbd30d09ba05389cb40cc1769b565df62aead35
treefc3550eb0a2c1a4fc5430ae854aeb1add4db8080
parent8964a2174f91a87b0858e8fb3018eaf06eaa0ede
net: phy: introduce phy_read_poll_timeout macro

it is sometimes necessary to poll a phy register by phy_read()
function until its value satisfies some condition. introduce
phy_read_poll_timeout() macros that do this.

Suggested-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/linux/phy.h