From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
To: Andrew Lunn <andrew@lunn.ch>, Heiner Kallweit <hkallweit1@gmail.com>
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>,
linux-arm-kernel@lists.infradead.org,
linux-stm32@st-md-mailman.stormreply.com,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
netdev@vger.kernel.org, Paolo Abeni <pabeni@redhat.com>
Subject: [PATCH net-next 2/5] net: stmmac: move and rename dwmac_pcs_isr()
Date: Sun, 11 Jan 2026 13:15:14 +0000 [thread overview]
Message-ID: <E1vevHm-00000002YoS-23RX@rmk-PC.armlinux.org.uk> (raw)
In-Reply-To: <aWOiOfDQkMXDwtPp@shell.armlinux.org.uk>
dwmac_pcs_isr() doesn't need to be inlined into the MAC's
host_irq_status method, as handling PCS interrupts isn't performance
critical. However, there is little point calling this function unless
an interrupt is pending for the PCS.
Rename it to stmmac_integrated_pcs_irq() while moving it.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
---
.../ethernet/stmicro/stmmac/dwmac1000_core.c | 4 ++-
.../net/ethernet/stmicro/stmmac/dwmac4_core.c | 4 ++-
.../net/ethernet/stmicro/stmmac/stmmac_pcs.c | 30 +++++++++++++++++
.../net/ethernet/stmicro/stmmac/stmmac_pcs.h | 33 ++-----------------
4 files changed, 39 insertions(+), 32 deletions(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
index a2ae136d2c0e..9cc8f38e7e45 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
@@ -304,7 +304,9 @@ static int dwmac1000_irq_status(struct mac_device_info *hw,
x->irq_rx_path_exit_lpi_mode_n++;
}
- dwmac_pcs_isr(ioaddr, GMAC_PCS_BASE, intr_status, x);
+ if (intr_status & (PCS_ANE_IRQ | PCS_LINK_IRQ))
+ stmmac_integrated_pcs_irq(ioaddr, GMAC_PCS_BASE, intr_status,
+ x);
return ret;
}
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
index a4282fd7c3c7..2a531c3c2e14 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
@@ -658,7 +658,9 @@ static int dwmac4_irq_status(struct mac_device_info *hw,
x->irq_rx_path_exit_lpi_mode_n++;
}
- dwmac_pcs_isr(ioaddr, GMAC_PCS_BASE, intr_status, x);
+ if (intr_status & (PCS_ANE_IRQ | PCS_LINK_IRQ))
+ stmmac_integrated_pcs_irq(ioaddr, GMAC_PCS_BASE, intr_status,
+ x);
return ret;
}
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pcs.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pcs.c
index e2f531c11986..90cdff30520b 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pcs.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pcs.c
@@ -45,6 +45,36 @@ static const struct phylink_pcs_ops dwmac_integrated_pcs_ops = {
.pcs_config = dwmac_integrated_pcs_config,
};
+/**
+ * stmmac_integrated_pcs_irq - TBI, RTBI, or SGMII PHY ISR
+ * @ioaddr: IO registers pointer
+ * @reg: Base address of the AN Control Register.
+ * @intr_status: GMAC core interrupt status
+ * @x: pointer to log these events as stats
+ * Description: it is the ISR for PCS events: Auto-Negotiation Completed and
+ * Link status.
+ */
+void stmmac_integrated_pcs_irq(void __iomem *ioaddr, u32 reg,
+ unsigned int intr_status,
+ struct stmmac_extra_stats *x)
+{
+ u32 val = readl(ioaddr + GMAC_AN_STATUS(reg));
+
+ if (intr_status & PCS_ANE_IRQ) {
+ x->irq_pcs_ane_n++;
+ if (val & GMAC_AN_STATUS_ANC)
+ pr_info("stmmac_pcs: ANE process completed\n");
+ }
+
+ if (intr_status & PCS_LINK_IRQ) {
+ x->irq_pcs_link_n++;
+ if (val & GMAC_AN_STATUS_LS)
+ pr_info("stmmac_pcs: Link Up\n");
+ else
+ pr_info("stmmac_pcs: Link Down\n");
+ }
+}
+
int stmmac_integrated_pcs_init(struct stmmac_priv *priv, unsigned int offset,
u32 int_mask)
{
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pcs.h b/drivers/net/ethernet/stmicro/stmmac/stmmac_pcs.h
index fd2e2d7d5bd4..bfc3d665265c 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pcs.h
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pcs.h
@@ -62,39 +62,12 @@ phylink_pcs_to_stmmac_pcs(struct phylink_pcs *pcs)
return container_of(pcs, struct stmmac_pcs, pcs);
}
+void stmmac_integrated_pcs_irq(void __iomem *ioaddr, u32 reg,
+ unsigned int intr_status,
+ struct stmmac_extra_stats *x);
int stmmac_integrated_pcs_init(struct stmmac_priv *priv, unsigned int offset,
u32 int_mask);
-/**
- * dwmac_pcs_isr - TBI, RTBI, or SGMII PHY ISR
- * @ioaddr: IO registers pointer
- * @reg: Base address of the AN Control Register.
- * @intr_status: GMAC core interrupt status
- * @x: pointer to log these events as stats
- * Description: it is the ISR for PCS events: Auto-Negotiation Completed and
- * Link status.
- */
-static inline void dwmac_pcs_isr(void __iomem *ioaddr, u32 reg,
- unsigned int intr_status,
- struct stmmac_extra_stats *x)
-{
- u32 val = readl(ioaddr + GMAC_AN_STATUS(reg));
-
- if (intr_status & PCS_ANE_IRQ) {
- x->irq_pcs_ane_n++;
- if (val & GMAC_AN_STATUS_ANC)
- pr_info("stmmac_pcs: ANE process completed\n");
- }
-
- if (intr_status & PCS_LINK_IRQ) {
- x->irq_pcs_link_n++;
- if (val & GMAC_AN_STATUS_LS)
- pr_info("stmmac_pcs: Link Up\n");
- else
- pr_info("stmmac_pcs: Link Down\n");
- }
-}
-
/**
* dwmac_ctrl_ane - To program the AN Control Register.
* @ioaddr: IO registers pointer
--
2.47.3
next prev parent reply other threads:[~2026-01-11 13:15 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-11 13:14 [PATCH net-next 0/5] net: stmmac: pcs: clean up pcs interrupt handling Russell King (Oracle)
2026-01-11 13:15 ` [PATCH net-next 1/5] net: stmmac: use BIT_U32() and GENMASK_U32() for PCS registers Russell King (Oracle)
2026-01-11 13:15 ` Russell King (Oracle) [this message]
2026-01-11 13:15 ` [PATCH net-next 3/5] net: stmmac: pass struct stmmac_priv to host_irq_status() method Russell King (Oracle)
2026-01-11 13:15 ` [PATCH net-next 4/5] net: stmmac: change arguments to PCS handler and use dev_info() Russell King (Oracle)
2026-01-11 13:15 ` [PATCH net-next 5/5] net: stmmac: report PCS link changes to phylink Russell King (Oracle)
2026-01-13 3:40 ` [PATCH net-next 0/5] net: stmmac: pcs: clean up pcs interrupt handling patchwork-bot+netdevbpf
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