linux-kernel - [RFC PATCH v2 net-next 1/8] net: dsa: ocelot: remove unnecessary pci

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Message-Id: <20210710192602.2186370-2-colin.foster@in-advantage.com>
Date:   Sat, 10 Jul 2021 12:25:55 -0700
From:   Colin Foster <colin.foster@...advantage.com>
To:     andrew@...n.ch, vivien.didelot@...il.com, f.fainelli@...il.com,
        olteanv@...il.com, davem@...emloft.net, kuba@...nel.org,
        robh+dt@...nel.org, claudiu.manoil@....com,
        alexandre.belloni@...tlin.com, UNGLinuxDriver@...rochip.com,
        linux@...linux.org.uk
Cc:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [RFC PATCH v2 net-next 1/8] net: dsa: ocelot: remove unnecessary pci_bar variables

The pci_bar variables for the switch and imdio don't make sense for the
generic felix driver. Moving them to felix_vsc9959 to limit scope and
simplify the felix_info struct.

Signed-off-by: Colin Foster <colin.foster@...advantage.com>
---
 drivers/net/dsa/ocelot/felix.h         |  2 --
 drivers/net/dsa/ocelot/felix_vsc9959.c | 11 +++++------
 2 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/drivers/net/dsa/ocelot/felix.h b/drivers/net/dsa/ocelot/felix.h
index 4d96cad815d5..47769dd386db 100644
--- a/drivers/net/dsa/ocelot/felix.h
+++ b/drivers/net/dsa/ocelot/felix.h
@@ -20,8 +20,6 @@ struct felix_info {
 	int				num_ports;
 	int				num_tx_queues;
 	struct vcap_props		*vcap;
-	int				switch_pci_bar;
-	int				imdio_pci_bar;
 	const struct ptp_clock_info	*ptp_caps;
 
 	/* Some Ocelot switches are integrated into the SoC without the
diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c
index f966a253d1c7..182ca749c8e2 100644
--- a/drivers/net/dsa/ocelot/felix_vsc9959.c
+++ b/drivers/net/dsa/ocelot/felix_vsc9959.c
@@ -1359,8 +1359,6 @@ static const struct felix_info felix_info_vsc9959 = {
 	.num_mact_rows		= 2048,
 	.num_ports		= 6,
 	.num_tx_queues		= OCELOT_NUM_TC,
-	.switch_pci_bar		= 4,
-	.imdio_pci_bar		= 0,
 	.quirk_no_xtr_irq	= true,
 	.ptp_caps		= &vsc9959_ptp_caps,
 	.mdio_bus_alloc		= vsc9959_mdio_bus_alloc,
@@ -1388,6 +1386,9 @@ static irqreturn_t felix_irq_handler(int irq, void *data)
 	return IRQ_HANDLED;
 }
 
+#define VSC9959_SWITCH_PCI_BAR 4
+#define VSC9959_IMDIO_PCI_BAR 0
+
 static int felix_pci_probe(struct pci_dev *pdev,
 			   const struct pci_device_id *id)
 {
@@ -1419,10 +1420,8 @@ static int felix_pci_probe(struct pci_dev *pdev,
 	ocelot->dev = &pdev->dev;
 	ocelot->num_flooding_pgids = OCELOT_NUM_TC;
 	felix->info = &felix_info_vsc9959;
-	felix->switch_base = pci_resource_start(pdev,
-						felix->info->switch_pci_bar);
-	felix->imdio_base = pci_resource_start(pdev,
-					       felix->info->imdio_pci_bar);
+	felix->switch_base = pci_resource_start(pdev, VSC9959_SWITCH_PCI_BAR);
+	felix->imdio_base = pci_resource_start(pdev, VSC9959_IMDIO_PCI_BAR);
 
 	pci_set_master(pdev);
 
-- 
2.25.1