developer | 5d148cb | 2023-06-02 13:08:11 +0800 | [diff] [blame] | 1 | From 3fc10755d5f6a5618519f2b5b3a68febfc5984b0 Mon Sep 17 00:00:00 2001 |
| 2 | From: Sam Shih <sam.shih@mediatek.com> |
| 3 | Date: Fri, 2 Jun 2023 13:06:27 +0800 |
| 4 | Subject: [PATCH] |
| 5 | [networking][999-2702-v5.9-net-phy-add-support-for-a-common-probe-between-shared-PHYs.patch] |
| 6 | |
| 7 | --- |
| 8 | include/linux/phy.h | 18 +++++++++++++++--- |
| 9 | 1 file changed, 15 insertions(+), 3 deletions(-) |
| 10 | |
| 11 | diff --git a/include/linux/phy.h b/include/linux/phy.h |
| 12 | index d26dba255..4f2c105f5 100644 |
| 13 | --- a/include/linux/phy.h |
| 14 | +++ b/include/linux/phy.h |
| 15 | @@ -232,7 +232,8 @@ struct phy_package_shared { |
| 16 | }; |
| 17 | |
| 18 | /* used as bit number in atomic bitops */ |
| 19 | -#define PHY_SHARED_F_INIT_DONE 0 |
| 20 | +#define PHY_SHARED_F_INIT_DONE 0 |
| 21 | +#define PHY_SHARED_F_PROBE_DONE 1 |
| 22 | |
| 23 | /* |
| 24 | * The Bus class for PHYs. Devices which provide access to |
| 25 | @@ -1373,14 +1374,25 @@ static inline int __phy_package_write(struct phy_device *phydev, |
| 26 | return __mdiobus_write(phydev->mdio.bus, shared->addr, regnum, val); |
| 27 | } |
| 28 | |
| 29 | -static inline bool phy_package_init_once(struct phy_device *phydev) |
| 30 | +static inline bool __phy_package_set_once(struct phy_device *phydev, |
| 31 | + unsigned int b) |
| 32 | { |
| 33 | struct phy_package_shared *shared = phydev->shared; |
| 34 | |
| 35 | if (!shared) |
| 36 | return false; |
| 37 | |
| 38 | - return !test_and_set_bit(PHY_SHARED_F_INIT_DONE, &shared->flags); |
| 39 | + return !test_and_set_bit(b, &shared->flags); |
| 40 | +} |
| 41 | + |
| 42 | +static inline bool phy_package_init_once(struct phy_device *phydev) |
| 43 | +{ |
| 44 | + return __phy_package_set_once(phydev, PHY_SHARED_F_INIT_DONE); |
| 45 | +} |
| 46 | + |
| 47 | +static inline bool phy_package_probe_once(struct phy_device *phydev) |
| 48 | +{ |
| 49 | + return __phy_package_set_once(phydev, PHY_SHARED_F_PROBE_DONE); |
| 50 | } |
| 51 | |
| 52 | extern struct bus_type mdio_bus_type; |
| 53 | -- |
| 54 | 2.34.1 |
| 55 | |