netdev - [PATCH RFC net-next v4 11/14] net: stmmac: pass stmmac_pcs into dwmac_pcs

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Message-Id: <E1sauuC-000tvg-R6@rmk-PC.armlinux.org.uk>
Date: Mon, 05 Aug 2024 11:25:32 +0100
From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To: Serge Semin <fancer.lancer@...il.com>
Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Alexei Starovoitov <ast@...nel.org>,
	Andrew Halaney <ahalaney@...hat.com>,
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
	bpf@...r.kernel.org,
	Daniel Borkmann <daniel@...earbox.net>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Jesper Dangaard Brouer <hawk@...nel.org>,
	John Fastabend <john.fastabend@...il.com>,
	Jose Abreu <joabreu@...opsys.com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-arm-msm@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	netdev@...r.kernel.org,
	Paolo Abeni <pabeni@...hat.com>,
	Sneh Shah <quic_snehshah@...cinc.com>,
	Vinod Koul <vkoul@...nel.org>
Subject: [PATCH RFC net-next v4 11/14] net: stmmac: pass stmmac_pcs into
 dwmac_pcs_isr()

As the stmmac_pcs has the base address of the PCS registers, pass
this into dwmac_pcs_isr() to avoid recalculating the base address.

Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c | 2 +-
 drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c    | 3 ++-
 drivers/net/ethernet/stmicro/stmmac/stmmac_pcs.h     | 7 +++----
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
index d2defa2e4996..2bed04403baa 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
@@ -296,7 +296,7 @@ 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);
+	dwmac_pcs_isr(&hw->mac_pcs, intr_status, x);
 
 	if (intr_status & PCS_RGSMIIIS_IRQ) {
 		/* TODO Dummy-read to clear the IRQ status */
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
index 2f02bb47c952..12b7b93ce71e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
@@ -873,7 +873,8 @@ 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);
+	dwmac_pcs_isr(&hw->mac_pcs, intr_status, x);
+
 	if (intr_status & PCS_RGSMIIIS_IRQ) {
 		/* TODO Dummy-read to clear the IRQ status */
 		readl(ioaddr + GMAC_PHYIF_CONTROL_STATUS);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pcs.h b/drivers/net/ethernet/stmicro/stmmac/stmmac_pcs.h
index 083128e0013c..48b635139fa5 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pcs.h
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pcs.h
@@ -61,18 +61,17 @@
 
 /**
  * dwmac_pcs_isr - TBI, RTBI, or SGMII PHY ISR
- * @ioaddr: IO registers pointer
- * @reg: Base address of the AN Control Register.
+ * @spcs: pointer to &struct stmmac_pcs
  * @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,
+static inline void dwmac_pcs_isr(struct stmmac_pcs *spcs,
 				 unsigned int intr_status,
 				 struct stmmac_extra_stats *x)
 {
-	u32 val = readl(ioaddr + GMAC_AN_STATUS(reg));
+	u32 val = readl(spcs->pcs_base + GMAC_AN_STATUS(0));
 
 	if (intr_status & PCS_ANE_IRQ) {
 		x->irq_pcs_ane_n++;
-- 
2.30.2