linux-kernel - [RFC net-next 3/5] net: phy: make .ack

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Date:   Sat, 24 Oct 2020 15:14:10 +0300
From:   Ioana Ciornei <ioana.ciornei@....com>
To:     Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Ioana Ciornei <ioana.ciornei@....com>,
        Alexandru Ardelean <alexandru.ardelean@...log.com>,
        Andre Edich <andre.edich@...rochip.com>,
        Antoine Tenart <atenart@...nel.org>,
        Baruch Siach <baruch@...s.co.il>,
        Christophe Leroy <christophe.leroy@....fr>,
        Dan Murphy <dmurphy@...com>,
        Divya Koppera <Divya.Koppera@...rochip.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Hauke Mehrtens <hauke@...ke-m.de>,
        Jerome Brunet <jbrunet@...libre.com>,
        Kavya Sree Kotagiri <kavyasree.kotagiri@...rochip.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Marco Felsch <m.felsch@...gutronix.de>,
        Marek Vasut <marex@...x.de>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Mathias Kresin <dev@...sin.me>,
        Maxim Kochetkov <fido_max@...ox.ru>,
        Michael Walle <michael@...le.cc>,
        Neil Armstrong <narmstrong@...libre.com>,
        Nisar Sayed <Nisar.Sayed@...rochip.com>,
        Oleksij Rempel <o.rempel@...gutronix.de>,
        Philippe Schenker <philippe.schenker@...adex.com>,
        Willy Liu <willy.liu@...ltek.com>,
        Yuiko Oshino <yuiko.oshino@...rochip.com>
Subject: [RFC net-next 3/5] net: phy: make .ack_interrupt() optional

As a first step into making phylib and all PHY drivers to actually
have support for shared IRQs, make the .ack_interrupt() callback
optional.

After all drivers have been moved to implement the generic
interrupt handle, the phy_drv_supports_irq() check will be
changed again to only require the .handle_interrupts() callback.

Cc: Alexandru Ardelean <alexandru.ardelean@...log.com>
Cc: Andre Edich <andre.edich@...rochip.com>
Cc: Antoine Tenart <atenart@...nel.org>
Cc: Baruch Siach <baruch@...s.co.il>
Cc: Christophe Leroy <christophe.leroy@....fr>
Cc: Dan Murphy <dmurphy@...com>
Cc: Divya Koppera <Divya.Koppera@...rochip.com>
Cc: Florian Fainelli <f.fainelli@...il.com>
Cc: Hauke Mehrtens <hauke@...ke-m.de>
Cc: Heiner Kallweit <hkallweit1@...il.com>
Cc: Jerome Brunet <jbrunet@...libre.com>
Cc: Kavya Sree Kotagiri <kavyasree.kotagiri@...rochip.com>
Cc: Linus Walleij <linus.walleij@...aro.org>
Cc: Marco Felsch <m.felsch@...gutronix.de>
Cc: Marek Vasut <marex@...x.de>
Cc: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc: Mathias Kresin <dev@...sin.me>
Cc: Maxim Kochetkov <fido_max@...ox.ru>
Cc: Michael Walle <michael@...le.cc>
Cc: Neil Armstrong <narmstrong@...libre.com>
Cc: Nisar Sayed <Nisar.Sayed@...rochip.com>
Cc: Oleksij Rempel <o.rempel@...gutronix.de>
Cc: Philippe Schenker <philippe.schenker@...adex.com>
Cc: Willy Liu <willy.liu@...ltek.com>
Cc: Yuiko Oshino <yuiko.oshino@...rochip.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@....com>
---
 drivers/net/phy/phy_device.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 413a0a2c5d51..f54f483d7fd6 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -2815,7 +2815,7 @@ EXPORT_SYMBOL(phy_get_internal_delay);
 
 static bool phy_drv_supports_irq(struct phy_driver *phydrv)
 {
-	return phydrv->config_intr && phydrv->ack_interrupt;
+	return phydrv->config_intr && (phydrv->ack_interrupt || phydrv->handle_interrupt);
 }
 
 /**
-- 
2.28.0