linux-kernel - [PATCH 07/10] PCI: Replace PCI_CONF1{,_EXT}

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Message-Id: <20240429104633.11060-8-ilpo.jarvinen@linux.intel.com>
Date: Mon, 29 Apr 2024 13:46:30 +0300
From: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To: linux-pci@...r.kernel.org,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Wilczyński <kw@...ux.com>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Sergio Paracuellos <sergio.paracuellos@...il.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org
Cc: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Subject: [PATCH 07/10] PCI: Replace PCI_CONF1{,_EXT}_ADDRESS() with the new helpers

Replace the old PCI_CONF1{,_EXT}_ADDRESS() helpers used to calculate
PCI Configuration Space Type 1 addresses with the new
pci_conf1{,_ext}_offset() helpers that are more generic and more widely
available.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
---
 drivers/pci/controller/pci-ftpci100.c | 6 ++----
 drivers/pci/controller/pci-ixp4xx.c   | 5 ++---
 drivers/pci/controller/pcie-mt7621.c  | 7 +++----
 drivers/pci/pci.h                     | 8 --------
 4 files changed, 7 insertions(+), 19 deletions(-)

diff --git a/drivers/pci/controller/pci-ftpci100.c b/drivers/pci/controller/pci-ftpci100.c
index ffdeed25e961..a8d0217a0b94 100644
--- a/drivers/pci/controller/pci-ftpci100.c
+++ b/drivers/pci/controller/pci-ftpci100.c
@@ -182,8 +182,7 @@ static int faraday_raw_pci_read_config(struct faraday_pci *p, int bus_number,
 				       unsigned int fn, int config, int size,
 				       u32 *value)
 {
-	writel(PCI_CONF1_ADDRESS(bus_number, PCI_SLOT(fn),
-				 PCI_FUNC(fn), config),
+	writel(pci_conf1_addr(bus_number, fn, config, true),
 			p->base + FTPCI_CONFIG);
 
 	*value = readl(p->base + FTPCI_DATA);
@@ -214,8 +213,7 @@ static int faraday_raw_pci_write_config(struct faraday_pci *p, int bus_number,
 {
 	int ret = PCIBIOS_SUCCESSFUL;
 
-	writel(PCI_CONF1_ADDRESS(bus_number, PCI_SLOT(fn),
-				 PCI_FUNC(fn), config),
+	writel(pci_conf1_addr(bus_number, fn, config, true),
 			p->base + FTPCI_CONFIG);
 
 	switch (size) {
diff --git a/drivers/pci/controller/pci-ixp4xx.c b/drivers/pci/controller/pci-ixp4xx.c
index ec0125344ca1..fd52f4a3ef31 100644
--- a/drivers/pci/controller/pci-ixp4xx.c
+++ b/drivers/pci/controller/pci-ixp4xx.c
@@ -192,9 +192,8 @@ static u32 ixp4xx_config_addr(u8 bus_num, u16 devfn, int where)
 		       BIT(32 - PCI_SLOT(devfn));
 	} else {
 		/* type 1 */
-		return (PCI_CONF1_ADDRESS(bus_num, PCI_SLOT(devfn),
-					  PCI_FUNC(devfn), where) &
-			~PCI_CONF1_ENABLE) | PCI_CONF1_TRANSACTION;
+		return pci_conf1_addr(bus_num, devfn, where, false) |
+		       PCI_CONF1_TRANSACTION;
 	}
 }
 
diff --git a/drivers/pci/controller/pcie-mt7621.c b/drivers/pci/controller/pcie-mt7621.c
index 79e225edb42a..2b2d9828a910 100644
--- a/drivers/pci/controller/pcie-mt7621.c
+++ b/drivers/pci/controller/pcie-mt7621.c
@@ -127,8 +127,7 @@ static void __iomem *mt7621_pcie_map_bus(struct pci_bus *bus,
 					 unsigned int devfn, int where)
 {
 	struct mt7621_pcie *pcie = bus->sysdata;
-	u32 address = PCI_CONF1_EXT_ADDRESS(bus->number, PCI_SLOT(devfn),
-					    PCI_FUNC(devfn), where);
+	u32 address = pci_conf1_ext_addr(bus->number, devfn, where, true);
 
 	writel_relaxed(address, pcie->base + RALINK_PCI_CONFIG_ADDR);
 
@@ -143,7 +142,7 @@ static struct pci_ops mt7621_pcie_ops = {
 
 static u32 read_config(struct mt7621_pcie *pcie, unsigned int dev, u32 reg)
 {
-	u32 address = PCI_CONF1_EXT_ADDRESS(0, dev, 0, reg);
+	u32 address = pci_conf1_ext_addr(0, PCI_DEVFN(dev, 0), reg, true);
 
 	pcie_write(pcie, address, RALINK_PCI_CONFIG_ADDR);
 	return pcie_read(pcie, RALINK_PCI_CONFIG_DATA);
@@ -152,7 +151,7 @@ static u32 read_config(struct mt7621_pcie *pcie, unsigned int dev, u32 reg)
 static void write_config(struct mt7621_pcie *pcie, unsigned int dev,
 			 u32 reg, u32 val)
 {
-	u32 address = PCI_CONF1_EXT_ADDRESS(0, dev, 0, reg);
+	u32 address = pci_conf1_ext_addr(0, PCI_DEVFN(dev, 0), reg, true);
 
 	pcie_write(pcie, address, RALINK_PCI_CONFIG_ADDR);
 	pcie_write(pcie, val, RALINK_PCI_CONFIG_DATA);
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index cf0530a60105..fdf9624b0b12 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -833,12 +833,4 @@ struct pci_devres {
 
 struct pci_devres *find_pci_dr(struct pci_dev *pdev);
 
-#define PCI_CONF1_ADDRESS(bus, dev, func, reg) \
-	(PCI_CONF1_ENABLE | \
-	 pci_conf1_addr(bus, PCI_DEVFN(dev, func), reg & ~0x3U))
-
-#define PCI_CONF1_EXT_ADDRESS(bus, dev, func, reg) \
-	(PCI_CONF1_ENABLE | \
-	 pci_conf1_ext_addr(bus, PCI_DEVFN(dev, func), reg & ~0x3U))
-
 #endif /* DRIVERS_PCI_H */
-- 
2.39.2