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net: phy: add callback for custom interrupt handler to struct phy_driver

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The phylib interrupt handler handles link change events only currently.
However PHY drivers may want to use other interrupt sources too,
e.g. to report temperature monitoring events. Therefore add a callback
to struct phy_driver allowing PHY drivers to implement a custom
interrupt handler.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Suggested-by: Russell King - ARM Linux admin <linux@armlinux.org.uk>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Heiner Kallweit 2019-05-30 15:10:06 +02:00 • committed by David S. Miller
parent 07b0928918
commit 49644e68f4
2 changed files with 10 additions and 2 deletions
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9
drivers/net/phy/phy.c
View file

@ -772,8 +772,13 @@ static irqreturn_t phy_interrupt(int irq, void *phy_dat)
if (phydev->drv->did_interrupt && !phydev->drv->did_interrupt(phydev)) if (phydev->drv->did_interrupt && !phydev->drv->did_interrupt(phydev))
return IRQ_NONE; return IRQ_NONE;
/* reschedule state queue work to run as soon as possible */ if (phydev->drv->handle_interrupt) {
phy_trigger_machine(phydev); if (phydev->drv->handle_interrupt(phydev))
goto phy_err;
} else {
/* reschedule state queue work to run as soon as possible */
phy_trigger_machine(phydev);
}
if (phy_clear_interrupt(phydev)) if (phy_clear_interrupt(phydev))
goto phy_err; goto phy_err;

3
include/linux/phy.h
View file

@ -537,6 +537,9 @@ struct phy_driver {
*/ */
int (*did_interrupt)(struct phy_device *phydev); int (*did_interrupt)(struct phy_device *phydev);
/* Override default interrupt handling */
int (*handle_interrupt)(struct phy_device *phydev);
/* Clears up any memory if needed */ /* Clears up any memory if needed */
void (*remove)(struct phy_device *phydev); void (*remove)(struct phy_device *phydev);