[POC][PATCH 33/83] drivers/pci: get rid of pointless casts

[Al Viro <viro@ZenIV.linux.org.uk>]

From: Al Viro <viro@zeniv.linux.org.uk>

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/pci/host/pci-tegra.c       | 10 +++++-----
 drivers/pci/host/pcie-designware.c |  6 +++---
 drivers/pci/host/pcie-designware.h |  2 +-
 drivers/pci/host/pcie-rcar.c       |  6 +++---
 drivers/pci/host/pcie-xilinx.c     | 10 +++++-----
 5 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c
index 9ad90fd..ba7fc9e 100644
--- a/drivers/pci/host/pci-tegra.c
+++ b/drivers/pci/host/pci-tegra.c
@@ -241,7 +241,7 @@ struct tegra_msi {
 	struct msi_controller chip;
 	DECLARE_BITMAP(used, INT_PCI_MSI_NR);
 	struct irq_domain *domain;
-	unsigned long pages;
+	void *pages;
 	struct mutex lock;
 	int irq;
 };
@@ -1214,7 +1214,7 @@ static int tegra_msi_setup_irq(struct msi_controller *chip,
 
 	irq_set_msi_desc(irq, desc);
 
-	msg.address_lo = virt_to_phys((void *)msi->pages);
+	msg.address_lo = virt_to_phys(msi->pages);
 	/* 32 bit address only */
 	msg.address_hi = 0;
 	msg.data = hwirq;
@@ -1296,8 +1296,8 @@ static int tegra_pcie_enable_msi(struct tegra_pcie *pcie)
 	}
 
 	/* setup AFI/FPCI range */
-	msi->pages = __get_free_pages(GFP_KERNEL, 0);
-	base = virt_to_phys((void *)msi->pages);
+	msi->pages = (void *)__get_free_pages(GFP_KERNEL, 0);
+	base = virt_to_phys(msi->pages);
 
 	afi_writel(pcie, base >> soc->msi_base_shift, AFI_MSI_FPCI_BAR_ST);
 	afi_writel(pcie, base, AFI_MSI_AXI_BAR_ST);
@@ -1347,7 +1347,7 @@ static int tegra_pcie_disable_msi(struct tegra_pcie *pcie)
 	afi_writel(pcie, 0, AFI_MSI_EN_VEC6);
 	afi_writel(pcie, 0, AFI_MSI_EN_VEC7);
 
-	free_pages((void *)msi->pages, 0);
+	free_pages(msi->pages, 0);
 
 	if (msi->irq > 0)
 		free_irq(msi->irq, pcie);
diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c
index 02a7452..769fc9d 100644
--- a/drivers/pci/host/pcie-designware.c
+++ b/drivers/pci/host/pcie-designware.c
@@ -206,8 +206,8 @@ void dw_pcie_msi_init(struct pcie_port *pp)
 {
 	u64 msi_target;
 
-	pp->msi_data = __get_free_pages(GFP_KERNEL, 0);
-	msi_target = virt_to_phys((void *)pp->msi_data);
+	pp->msi_data = (void *)__get_free_pages(GFP_KERNEL, 0);
+	msi_target = virt_to_phys(pp->msi_data);
 
 	/* program the msi_data */
 	dw_pcie_wr_own_conf(pp, PCIE_MSI_ADDR_LO, 4,
@@ -307,7 +307,7 @@ static void dw_msi_setup_msg(struct pcie_port *pp, unsigned int irq, u32 pos)
 	if (pp->ops->get_msi_addr)
 		msi_target = pp->ops->get_msi_addr(pp);
 	else
-		msi_target = virt_to_phys((void *)pp->msi_data);
+		msi_target = virt_to_phys(pp->msi_data);
 
 	msg.address_lo = (u32)(msi_target & 0xffffffff);
 	msg.address_hi = (u32)(msi_target >> 32 & 0xffffffff);
diff --git a/drivers/pci/host/pcie-designware.h b/drivers/pci/host/pcie-designware.h
index 2356d29..c77704b 100644
--- a/drivers/pci/host/pcie-designware.h
+++ b/drivers/pci/host/pcie-designware.h
@@ -47,7 +47,7 @@ struct pcie_port {
 	struct pcie_host_ops	*ops;
 	int			msi_irq;
 	struct irq_domain	*irq_domain;
-	unsigned long		msi_data;
+	void			*msi_data;
 	DECLARE_BITMAP(msi_irq_in_use, MAX_MSI_IRQS);
 };
 
diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c
index f4fa6c5..fdeb72f 100644
--- a/drivers/pci/host/pcie-rcar.c
+++ b/drivers/pci/host/pcie-rcar.c
@@ -114,7 +114,7 @@ struct rcar_msi {
 	DECLARE_BITMAP(used, INT_PCI_MSI_NR);
 	struct irq_domain *domain;
 	struct msi_controller chip;
-	unsigned long pages;
+	void *pages;
 	struct mutex lock;
 	int irq1;
 	int irq2;
@@ -734,8 +734,8 @@ static int rcar_pcie_enable_msi(struct rcar_pcie *pcie)
 	}
 
 	/* setup MSI data target */
-	msi->pages = __get_free_pages(GFP_KERNEL, 0);
-	base = virt_to_phys((void *)msi->pages);
+	msi->pages = (void *)__get_free_pages(GFP_KERNEL, 0);
+	base = virt_to_phys(msi->pages);
 
 	rcar_pci_write_reg(pcie, base | MSIFE, PCIEMSIALR);
 	rcar_pci_write_reg(pcie, 0, PCIEMSIAUR);
diff --git a/drivers/pci/host/pcie-xilinx.c b/drivers/pci/host/pcie-xilinx.c
index a9438d2..3cc679d 100644
--- a/drivers/pci/host/pcie-xilinx.c
+++ b/drivers/pci/host/pcie-xilinx.c
@@ -111,7 +111,7 @@
 struct xilinx_pcie_port {
 	void __iomem *reg_base;
 	u32 irq;
-	unsigned long msi_pages;
+	void *msi_pages;
 	u8 root_busno;
 	struct device *dev;
 	struct irq_domain *irq_domain;
@@ -297,7 +297,7 @@ static int xilinx_pcie_msi_setup_irq(struct msi_controller *chip,
 
 	irq_set_msi_desc(irq, desc);
 
-	msg_addr = virt_to_phys((void *)port->msi_pages);
+	msg_addr = virt_to_phys(port->msi_pages);
 
 	msg.address_hi = 0;
 	msg.address_lo = msg_addr;
@@ -353,8 +353,8 @@ static void xilinx_pcie_enable_msi(struct xilinx_pcie_port *port)
 {
 	phys_addr_t msg_addr;
 
-	port->msi_pages = __get_free_pages(GFP_KERNEL, 0);
-	msg_addr = virt_to_phys((void *)port->msi_pages);
+	port->msi_pages = (void *)__get_free_pages(GFP_KERNEL, 0);
+	msg_addr = virt_to_phys(port->msi_pages);
 	pcie_write(port, 0x0, XILINX_PCIE_REG_MSIBASE1);
 	pcie_write(port, msg_addr, XILINX_PCIE_REG_MSIBASE2);
 }
@@ -527,7 +527,7 @@ static void xilinx_pcie_free_irq_domain(struct xilinx_pcie_port *port)
 	/* Free IRQ Domain */
 	if (IS_ENABLED(CONFIG_PCI_MSI)) {
 
-		free_pages((void *)port->msi_pages, 0);
+		free_pages(port->msi_pages, 0);
 
 		num_irqs = XILINX_NUM_MSI_IRQS;
 	} else {
-- 
2.1.4