tree 6a777a6822fdb9310a3b8c659d4d176509c4d001
parent af13b3c338bea6a766b1a0ee4f9c939e8bf38256
author Dejin Zheng <zhengdejin5@gmail.com> 1584975951 +0800
committer David S. Miller <davem@davemloft.net> 1585026002 -0700

iopoll: introduce read_poll_timeout macro

this macro is an extension of readx_poll_timeout macro. the accessor
function op just supports only one parameter in the readx_poll_timeout
macro, but this macro can supports multiple variable parameters for
it. so functions like phy_read(struct phy_device *phydev, u32 regnum)
and phy_read_mmd(struct phy_device *phydev, int devad, u32 regnum) can
also use this poll timeout core. and also expand it can sleep some time
before read operation.

Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>