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authorIoana Ciornei <ioana.ciornei@nxp.com>2020-11-01 14:51:06 +0200
committerJakub Kicinski <kuba@kernel.org>2020-11-05 16:32:27 -0800
commit4567d5c3eb9b16dfbe8cc5103c0193affbad6491 (patch)
treed253c1c024fb4d2831bed181613057bd86f5c0a7 /drivers/net/phy/bcm87xx.c
parentnet: phy: aquantia: remove the use of .ack_interrupt() (diff)
downloadlinux-dev-4567d5c3eb9b16dfbe8cc5103c0193affbad6491.tar.xz
linux-dev-4567d5c3eb9b16dfbe8cc5103c0193affbad6491.zip
net: phy: broadcom: implement generic .handle_interrupt() callback
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: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Tested-by: Michael Walle <michael@walle.cc> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/phy/bcm87xx.c')
-rw-r--r--drivers/net/phy/bcm87xx.c32
1 files changed, 22 insertions, 10 deletions
diff --git a/drivers/net/phy/bcm87xx.c b/drivers/net/phy/bcm87xx.c
index df360e1c5069..f20cfb05ef04 100644
--- a/drivers/net/phy/bcm87xx.c
+++ b/drivers/net/phy/bcm87xx.c
@@ -153,10 +153,29 @@ static int bcm87xx_config_intr(struct phy_device *phydev)
return err;
}
-static int bcm87xx_did_interrupt(struct phy_device *phydev)
+static irqreturn_t bcm87xx_handle_interrupt(struct phy_device *phydev)
+{
+ int irq_status;
+
+ irq_status = phy_read(phydev, BCM87XX_LASI_STATUS);
+ if (irq_status < 0) {
+ phy_error(phydev);
+ return IRQ_NONE;
+ }
+
+ if (irq_status == 0)
+ return IRQ_NONE;
+
+ phy_trigger_machine(phydev);
+
+ return IRQ_HANDLED;
+}
+
+static int bcm87xx_ack_interrupt(struct phy_device *phydev)
{
int reg;
+ /* Reading the LASI status clears it. */
reg = phy_read(phydev, BCM87XX_LASI_STATUS);
if (reg < 0) {
@@ -168,13 +187,6 @@ static int bcm87xx_did_interrupt(struct phy_device *phydev)
return (reg & 1) != 0;
}
-static int bcm87xx_ack_interrupt(struct phy_device *phydev)
-{
- /* Reading the LASI status clears it. */
- bcm87xx_did_interrupt(phydev);
- return 0;
-}
-
static int bcm8706_match_phy_device(struct phy_device *phydev)
{
return phydev->c45_ids.device_ids[4] == PHY_ID_BCM8706;
@@ -196,7 +208,7 @@ static struct phy_driver bcm87xx_driver[] = {
.read_status = bcm87xx_read_status,
.ack_interrupt = bcm87xx_ack_interrupt,
.config_intr = bcm87xx_config_intr,
- .did_interrupt = bcm87xx_did_interrupt,
+ .handle_interrupt = bcm87xx_handle_interrupt,
.match_phy_device = bcm8706_match_phy_device,
}, {
.phy_id = PHY_ID_BCM8727,
@@ -208,7 +220,7 @@ static struct phy_driver bcm87xx_driver[] = {
.read_status = bcm87xx_read_status,
.ack_interrupt = bcm87xx_ack_interrupt,
.config_intr = bcm87xx_config_intr,
- .did_interrupt = bcm87xx_did_interrupt,
+ .handle_interrupt = bcm87xx_handle_interrupt,
.match_phy_device = bcm8727_match_phy_device,
} };