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| author | Andrew Lunn <andrew@lunn.ch> | 2020-05-10 21:12:32 +0200 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2020-05-10 12:28:41 -0700 |
| commit | 97c22438963a7484c05c59ab6654e30f0a3e9288 (patch) | |
| tree | 1a3c5517a00a8f104f207d9eb7d13f534a83beb4 | |
| parent | a68a813836e12b15715d9101309899123c250302 (diff) | |
| download | linux-97c22438963a7484c05c59ab6654e30f0a3e9288.tar.gz linux-97c22438963a7484c05c59ab6654e30f0a3e9288.tar.bz2 linux-97c22438963a7484c05c59ab6654e30f0a3e9288.zip | |
net: phy: Add support for polling cable test
Some PHYs are not capable of generating interrupts when a cable test
finished. They do however support interrupts for normal operations,
like link up/down. As such, the PHY state machine would normally not
poll the PHY.
Add support for indicating the PHY state machine must poll the PHY
when performing a cable test.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | drivers/net/phy/phy.c | 2 | ||||
| -rw-r--r-- | include/linux/phy.h | 5 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 0f4b27215429..9fa61019533f 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -523,6 +523,8 @@ int phy_start_cable_test(struct phy_device *phydev, phydev->state = PHY_CABLETEST; + if (phy_polling_mode(phydev)) + phy_trigger_machine(phydev); out: mutex_unlock(&phydev->lock); diff --git a/include/linux/phy.h b/include/linux/phy.h index 632403fc34f4..f58eee735a45 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -79,6 +79,7 @@ extern const int phy_10gbit_features_array[1]; #define PHY_IS_INTERNAL 0x00000001 #define PHY_RST_AFTER_CLK_EN 0x00000002 +#define PHY_POLL_CABLE_TEST 0x00000004 #define MDIO_DEVICE_IS_PHY 0x80000000 /* Interface Mode definitions */ @@ -1061,6 +1062,10 @@ static inline bool phy_interrupt_is_valid(struct phy_device *phydev) */ static inline bool phy_polling_mode(struct phy_device *phydev) { + if (phydev->state == PHY_CABLETEST) + if (phydev->drv->flags & PHY_POLL_CABLE_TEST) + return true; + return phydev->irq == PHY_POLL; } |