From: Ioana Ciornei <ciorneiioana@gmail.com>
To: Andrew Lunn <andrew@lunn.ch>,
Heiner Kallweit <hkallweit1@gmail.com>,
Russell King <linux@armlinux.org.uk>,
Florian Fainelli <f.fainelli@gmail.com>,
Jakub Kicinski <kuba@kernel.org>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Ioana Ciornei <ioana.ciornei@nxp.com>
Subject: [PATCH net-next v2 09/19] net: phy: aquantia: implement generic .handle_interrupt() callback
Date: Sun, 1 Nov 2020 14:51:04 +0200 [thread overview]
Message-ID: <20201101125114.1316879-10-ciorneiioana@gmail.com> (raw)
In-Reply-To: <20201101125114.1316879-1-ciorneiioana@gmail.com>
From: Ioana Ciornei <ioana.ciornei@nxp.com>
In an attempt to actually support shared IRQs in phylib, we now move the
responsibility of triggering the phylib state machine or just returning
IRQ_NONE, based on the IRQ status register, to the PHY driver. Having
3 different IRQ handling callbacks (.handle_interrupt(),
.did_interrupt() and .ack_interrupt() ) is confusing so let the PHY
driver implement directly an IRQ handler like any other device driver.
Make this driver follow the new convention.
Cc: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
---
Changes in v2:
- adjust .handle_interrupt() so that we only take into account the
enabled IRQs.
drivers/net/phy/aquantia_main.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/drivers/net/phy/aquantia_main.c b/drivers/net/phy/aquantia_main.c
index 41e7c1432497..17b33f0cb179 100644
--- a/drivers/net/phy/aquantia_main.c
+++ b/drivers/net/phy/aquantia_main.c
@@ -52,6 +52,7 @@
#define MDIO_AN_TX_VEND_INT_STATUS1_DOWNSHIFT BIT(1)
#define MDIO_AN_TX_VEND_INT_STATUS2 0xcc01
+#define MDIO_AN_TX_VEND_INT_STATUS2_MASK BIT(0)
#define MDIO_AN_TX_VEND_INT_MASK2 0xd401
#define MDIO_AN_TX_VEND_INT_MASK2_LINK BIT(0)
@@ -270,6 +271,25 @@ static int aqr_ack_interrupt(struct phy_device *phydev)
return (reg < 0) ? reg : 0;
}
+static irqreturn_t aqr_handle_interrupt(struct phy_device *phydev)
+{
+ int irq_status;
+
+ irq_status = phy_read_mmd(phydev, MDIO_MMD_AN,
+ MDIO_AN_TX_VEND_INT_STATUS2);
+ if (irq_status < 0) {
+ phy_error(phydev);
+ return IRQ_NONE;
+ }
+
+ if (!(irq_status & MDIO_AN_TX_VEND_INT_STATUS2_MASK))
+ return IRQ_NONE;
+
+ phy_trigger_machine(phydev);
+
+ return IRQ_HANDLED;
+}
+
static int aqr_read_status(struct phy_device *phydev)
{
int val;
@@ -585,6 +605,7 @@ static struct phy_driver aqr_driver[] = {
.config_aneg = aqr_config_aneg,
.config_intr = aqr_config_intr,
.ack_interrupt = aqr_ack_interrupt,
+ .handle_interrupt = aqr_handle_interrupt,
.read_status = aqr_read_status,
},
{
@@ -593,6 +614,7 @@ static struct phy_driver aqr_driver[] = {
.config_aneg = aqr_config_aneg,
.config_intr = aqr_config_intr,
.ack_interrupt = aqr_ack_interrupt,
+ .handle_interrupt = aqr_handle_interrupt,
.read_status = aqr_read_status,
},
{
@@ -601,6 +623,7 @@ static struct phy_driver aqr_driver[] = {
.config_aneg = aqr_config_aneg,
.config_intr = aqr_config_intr,
.ack_interrupt = aqr_ack_interrupt,
+ .handle_interrupt = aqr_handle_interrupt,
.read_status = aqr_read_status,
.suspend = aqr107_suspend,
.resume = aqr107_resume,
@@ -611,6 +634,7 @@ static struct phy_driver aqr_driver[] = {
.config_aneg = aqr_config_aneg,
.config_intr = aqr_config_intr,
.ack_interrupt = aqr_ack_interrupt,
+ .handle_interrupt = aqr_handle_interrupt,
.read_status = aqr_read_status,
},
{
@@ -621,6 +645,7 @@ static struct phy_driver aqr_driver[] = {
.config_aneg = aqr_config_aneg,
.config_intr = aqr_config_intr,
.ack_interrupt = aqr_ack_interrupt,
+ .handle_interrupt = aqr_handle_interrupt,
.read_status = aqr107_read_status,
.get_tunable = aqr107_get_tunable,
.set_tunable = aqr107_set_tunable,
@@ -639,6 +664,7 @@ static struct phy_driver aqr_driver[] = {
.config_aneg = aqr_config_aneg,
.config_intr = aqr_config_intr,
.ack_interrupt = aqr_ack_interrupt,
+ .handle_interrupt = aqr_handle_interrupt,
.read_status = aqr107_read_status,
.get_tunable = aqr107_get_tunable,
.set_tunable = aqr107_set_tunable,
@@ -655,6 +681,7 @@ static struct phy_driver aqr_driver[] = {
.config_aneg = aqr_config_aneg,
.config_intr = aqr_config_intr,
.ack_interrupt = aqr_ack_interrupt,
+ .handle_interrupt = aqr_handle_interrupt,
.read_status = aqr_read_status,
},
};
--
2.28.0
next prev parent reply other threads:[~2020-11-01 12:54 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-01 12:50 [PATCH net-next v2 00/19] net: phy: add support for shared interrupts (part 1) Ioana Ciornei
2020-11-01 12:50 ` [PATCH net-next v2 01/19] net: phy: export phy_error and phy_trigger_machine Ioana Ciornei
2020-11-01 12:50 ` [PATCH net-next v2 02/19] net: phy: add a shutdown procedure Ioana Ciornei
2023-08-03 18:16 ` Uwe Kleine-König
2023-08-03 18:24 ` Florian Fainelli
2023-08-03 18:49 ` Russell King (Oracle)
2020-11-01 12:50 ` [PATCH net-next v2 03/19] net: phy: make .ack_interrupt() optional Ioana Ciornei
2020-11-01 12:50 ` [PATCH net-next v2 04/19] net: phy: at803x: implement generic .handle_interrupt() callback Ioana Ciornei
2020-11-04 18:09 ` Oleksij Rempel
2020-11-01 12:51 ` [PATCH net-next v2 05/19] net: phy: at803x: remove the use of .ack_interrupt() Ioana Ciornei
2020-11-04 18:09 ` Oleksij Rempel
2020-11-01 12:51 ` [PATCH net-next v2 06/19] net: phy: mscc: use phy_trigger_machine() to notify link change Ioana Ciornei
2020-11-05 0:10 ` Vladimir Oltean
2020-11-01 12:51 ` [PATCH net-next v2 07/19] net: phy: mscc: implement generic .handle_interrupt() callback Ioana Ciornei
2020-11-05 0:08 ` Vladimir Oltean
2020-11-01 12:51 ` [PATCH net-next v2 08/19] net: phy: mscc: remove the use of .ack_interrupt() Ioana Ciornei
2020-11-05 0:07 ` Vladimir Oltean
2020-11-01 12:51 ` Ioana Ciornei [this message]
2020-11-01 12:51 ` [PATCH net-next v2 10/19] net: phy: aquantia: " Ioana Ciornei
2020-11-01 12:51 ` [PATCH net-next v2 11/19] net: phy: broadcom: implement generic .handle_interrupt() callback Ioana Ciornei
2020-11-01 12:51 ` [PATCH net-next v2 12/19] net: phy: broadcom: remove use of ack_interrupt() Ioana Ciornei
2020-11-01 12:51 ` [PATCH net-next v2 13/19] net: phy: cicada: implement the generic .handle_interrupt() callback Ioana Ciornei
2020-11-01 12:51 ` [PATCH net-next v2 14/19] net: phy: cicada: remove the use of .ack_interrupt() Ioana Ciornei
2020-11-01 12:51 ` [PATCH net-next v2 15/19] net: phy: davicom: implement generic .handle_interrupt() calback Ioana Ciornei
2020-11-01 12:51 ` [PATCH net-next v2 16/19] net: phy: davicom: remove the use of .ack_interrupt() Ioana Ciornei
2020-11-01 12:51 ` [PATCH net-next v2 17/19] net: phy: add genphy_handle_interrupt_no_ack() Ioana Ciornei
2020-11-01 12:51 ` [PATCH net-next v2 18/19] net: phy: realtek: implement generic .handle_interrupt() callback Ioana Ciornei
2020-11-01 12:51 ` [PATCH net-next v2 19/19] net: phy: realtek: remove the use of .ack_interrupt() Ioana Ciornei
2020-11-03 16:44 ` [PATCH net-next v2 00/19] net: phy: add support for shared interrupts (part 1) Andrew Lunn
2020-11-03 22:53 ` Michael Walle
2020-11-06 0:36 ` Jakub Kicinski
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