Messages in this thread Patch in this message | | | From | Dejin Zheng <> | Subject | [PATCH net-next 6/7] net: phy: introduce phy_read_poll_timeout macro | Date | Fri, 20 Mar 2020 00:39:09 +0800 |
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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.
Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com> --- include/linux/phy.h | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/include/linux/phy.h b/include/linux/phy.h index a30e9008647f..a28cc16fdaac 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -714,6 +714,9 @@ static inline int phy_read(struct phy_device *phydev, u32 regnum) return mdiobus_read(phydev->mdio.bus, phydev->mdio.addr, regnum); } +#define phy_read_poll_timeout(val, cond, sleep_us, timeout_us, args...) \ + read_poll_timeout(phy_read, val, cond, sleep_us, timeout_us, args) + /** * __phy_read - convenience function for reading a given PHY register * @phydev: the phy_device struct -- 2.25.0
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