diff mbox series

[net-next,03/15] net: phy: icplus: implement generic .handle_interrupt() callback

Message ID 20201123153817.1616814-4-ciorneiioana@gmail.com (mailing list archive)
State Accepted
Commit 25497b7f0bd90706dd697523f3e9e074641632b5
Delegated to: Netdev Maintainers
Headers show
Series net: phy: add support for shared interrupts (part 3) | expand

Checks

Context Check Description
netdev/cover_letter success Link
netdev/fixes_present success Link
netdev/patch_count success Link
netdev/tree_selection success Clearly marked for net-next
netdev/subject_prefix success Link
netdev/source_inline success Was 0 now: 0
netdev/verify_signedoff success Link
netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/verify_fixes success Link
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 40 lines checked
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/header_inline success Link
netdev/stable success Stable not CCed

Commit Message

Ioana Ciornei Nov. 23, 2020, 3:38 p.m. UTC 
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: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
---
 drivers/net/phy/icplus.c | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/phy/icplus.c b/drivers/net/phy/icplus.c
index d6e8516cd146..a74ff45fa99c 100644
--- a/drivers/net/phy/icplus.c
+++ b/drivers/net/phy/icplus.c
@@ -285,16 +285,24 @@  static int ip101a_g_config_intr(struct phy_device *phydev)
 	return phy_write(phydev, IP101A_G_IRQ_CONF_STATUS, val);
 }
 
-static int ip101a_g_did_interrupt(struct phy_device *phydev)
+static irqreturn_t ip101a_g_handle_interrupt(struct phy_device *phydev)
 {
-	int val = phy_read(phydev, IP101A_G_IRQ_CONF_STATUS);
+	int irq_status;
 
-	if (val < 0)
-		return 0;
+	irq_status = phy_read(phydev, IP101A_G_IRQ_CONF_STATUS);
+	if (irq_status < 0) {
+		phy_error(phydev);
+		return IRQ_NONE;
+	}
+
+	if (!(irq_status & (IP101A_G_IRQ_SPEED_CHANGE |
+			    IP101A_G_IRQ_DUPLEX_CHANGE |
+			    IP101A_G_IRQ_LINK_CHANGE)))
+		return IRQ_NONE;
+
+	phy_trigger_machine(phydev);
 
-	return val & (IP101A_G_IRQ_SPEED_CHANGE |
-		      IP101A_G_IRQ_DUPLEX_CHANGE |
-		      IP101A_G_IRQ_LINK_CHANGE);
+	return IRQ_HANDLED;
 }
 
 static int ip101a_g_ack_interrupt(struct phy_device *phydev)
@@ -332,8 +340,8 @@  static struct phy_driver icplus_driver[] = {
 	/* PHY_BASIC_FEATURES */
 	.probe		= ip101a_g_probe,
 	.config_intr	= ip101a_g_config_intr,
-	.did_interrupt	= ip101a_g_did_interrupt,
 	.ack_interrupt	= ip101a_g_ack_interrupt,
+	.handle_interrupt = ip101a_g_handle_interrupt,
 	.config_init	= &ip101a_g_config_init,
 	.suspend	= genphy_suspend,
 	.resume		= genphy_resume,