PCI: dwc: Constify dw_pcie_host_ops structures
The dw_pcie_host_ops structures are never modified. Constify these
structures such that these can be write-protected.
Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Jingoo Han <jingoohan1@gmail.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
diff --git a/drivers/pci/dwc/pci-dra7xx.c b/drivers/pci/dwc/pci-dra7xx.c
index 8decf46..e416603 100644
--- a/drivers/pci/dwc/pci-dra7xx.c
+++ b/drivers/pci/dwc/pci-dra7xx.c
@@ -208,7 +208,7 @@ static void dra7xx_pcie_host_init(struct pcie_port *pp)
dra7xx_pcie_enable_interrupts(dra7xx);
}
-static struct dw_pcie_host_ops dra7xx_pcie_host_ops = {
+static const struct dw_pcie_host_ops dra7xx_pcie_host_ops = {
.host_init = dra7xx_pcie_host_init,
};
diff --git a/drivers/pci/dwc/pci-exynos.c b/drivers/pci/dwc/pci-exynos.c
index 546082a..c78c065 100644
--- a/drivers/pci/dwc/pci-exynos.c
+++ b/drivers/pci/dwc/pci-exynos.c
@@ -590,7 +590,7 @@ static void exynos_pcie_host_init(struct pcie_port *pp)
exynos_pcie_enable_interrupts(ep);
}
-static struct dw_pcie_host_ops exynos_pcie_host_ops = {
+static const struct dw_pcie_host_ops exynos_pcie_host_ops = {
.rd_own_conf = exynos_pcie_rd_own_conf,
.wr_own_conf = exynos_pcie_wr_own_conf,
.host_init = exynos_pcie_host_init,
diff --git a/drivers/pci/dwc/pci-imx6.c b/drivers/pci/dwc/pci-imx6.c
index a98cba5..fb48160 100644
--- a/drivers/pci/dwc/pci-imx6.c
+++ b/drivers/pci/dwc/pci-imx6.c
@@ -602,7 +602,7 @@ static int imx6_pcie_link_up(struct dw_pcie *pci)
PCIE_PHY_DEBUG_R1_XMLH_LINK_UP;
}
-static struct dw_pcie_host_ops imx6_pcie_host_ops = {
+static const struct dw_pcie_host_ops imx6_pcie_host_ops = {
.host_init = imx6_pcie_host_init,
};
diff --git a/drivers/pci/dwc/pci-keystone.c b/drivers/pci/dwc/pci-keystone.c
index fcc9723..4783cec1 100644
--- a/drivers/pci/dwc/pci-keystone.c
+++ b/drivers/pci/dwc/pci-keystone.c
@@ -291,7 +291,7 @@ static void __init ks_pcie_host_init(struct pcie_port *pp)
"Asynchronous external abort");
}
-static struct dw_pcie_host_ops keystone_pcie_host_ops = {
+static const struct dw_pcie_host_ops keystone_pcie_host_ops = {
.rd_other_conf = ks_dw_pcie_rd_other_conf,
.wr_other_conf = ks_dw_pcie_wr_other_conf,
.host_init = ks_pcie_host_init,
diff --git a/drivers/pci/dwc/pci-layerscape.c b/drivers/pci/dwc/pci-layerscape.c
index 27d638c..fd86128 100644
--- a/drivers/pci/dwc/pci-layerscape.c
+++ b/drivers/pci/dwc/pci-layerscape.c
@@ -39,7 +39,7 @@ struct ls_pcie_drvdata {
u32 lut_offset;
u32 ltssm_shift;
u32 lut_dbg;
- struct dw_pcie_host_ops *ops;
+ const struct dw_pcie_host_ops *ops;
const struct dw_pcie_ops *dw_pcie_ops;
};
@@ -185,12 +185,12 @@ static int ls_pcie_msi_host_init(struct pcie_port *pp,
return 0;
}
-static struct dw_pcie_host_ops ls1021_pcie_host_ops = {
+static const struct dw_pcie_host_ops ls1021_pcie_host_ops = {
.host_init = ls1021_pcie_host_init,
.msi_host_init = ls_pcie_msi_host_init,
};
-static struct dw_pcie_host_ops ls_pcie_host_ops = {
+static const struct dw_pcie_host_ops ls_pcie_host_ops = {
.host_init = ls_pcie_host_init,
.msi_host_init = ls_pcie_msi_host_init,
};
diff --git a/drivers/pci/dwc/pcie-armada8k.c b/drivers/pci/dwc/pcie-armada8k.c
index 495b023..ea8f34a 100644
--- a/drivers/pci/dwc/pcie-armada8k.c
+++ b/drivers/pci/dwc/pcie-armada8k.c
@@ -160,7 +160,7 @@ static irqreturn_t armada8k_pcie_irq_handler(int irq, void *arg)
return IRQ_HANDLED;
}
-static struct dw_pcie_host_ops armada8k_pcie_host_ops = {
+static const struct dw_pcie_host_ops armada8k_pcie_host_ops = {
.host_init = armada8k_pcie_host_init,
};
diff --git a/drivers/pci/dwc/pcie-artpec6.c b/drivers/pci/dwc/pcie-artpec6.c
index 82a04ac..01c6f78 100644
--- a/drivers/pci/dwc/pcie-artpec6.c
+++ b/drivers/pci/dwc/pcie-artpec6.c
@@ -184,7 +184,7 @@ static void artpec6_pcie_host_init(struct pcie_port *pp)
artpec6_pcie_enable_interrupts(artpec6_pcie);
}
-static struct dw_pcie_host_ops artpec6_pcie_host_ops = {
+static const struct dw_pcie_host_ops artpec6_pcie_host_ops = {
.host_init = artpec6_pcie_host_init,
};
diff --git a/drivers/pci/dwc/pcie-designware-plat.c b/drivers/pci/dwc/pcie-designware-plat.c
index a9865d9..091b4e7 100644
--- a/drivers/pci/dwc/pcie-designware-plat.c
+++ b/drivers/pci/dwc/pcie-designware-plat.c
@@ -46,7 +46,7 @@ static void dw_plat_pcie_host_init(struct pcie_port *pp)
dw_pcie_msi_init(pp);
}
-static struct dw_pcie_host_ops dw_plat_pcie_host_ops = {
+static const struct dw_pcie_host_ops dw_plat_pcie_host_ops = {
.host_init = dw_plat_pcie_host_init,
};
diff --git a/drivers/pci/dwc/pcie-designware.h b/drivers/pci/dwc/pcie-designware.h
index c6a8405..b4d2a89 100644
--- a/drivers/pci/dwc/pcie-designware.h
+++ b/drivers/pci/dwc/pcie-designware.h
@@ -162,7 +162,7 @@ struct pcie_port {
struct resource *mem;
struct resource *busn;
int irq;
- struct dw_pcie_host_ops *ops;
+ const struct dw_pcie_host_ops *ops;
int msi_irq;
struct irq_domain *irq_domain;
unsigned long msi_data;
diff --git a/drivers/pci/dwc/pcie-qcom.c b/drivers/pci/dwc/pcie-qcom.c
index 96ee527..39e8c00 100644
--- a/drivers/pci/dwc/pcie-qcom.c
+++ b/drivers/pci/dwc/pcie-qcom.c
@@ -634,7 +634,7 @@ static int qcom_pcie_rd_own_conf(struct pcie_port *pp, int where, int size,
return dw_pcie_read(pci->dbi_base + where, size, val);
}
-static struct dw_pcie_host_ops qcom_pcie_dw_ops = {
+static const struct dw_pcie_host_ops qcom_pcie_dw_ops = {
.host_init = qcom_pcie_host_init,
.rd_own_conf = qcom_pcie_rd_own_conf,
};
diff --git a/drivers/pci/dwc/pcie-spear13xx.c b/drivers/pci/dwc/pcie-spear13xx.c
index 8ff36b3..8089729 100644
--- a/drivers/pci/dwc/pcie-spear13xx.c
+++ b/drivers/pci/dwc/pcie-spear13xx.c
@@ -186,7 +186,7 @@ static void spear13xx_pcie_host_init(struct pcie_port *pp)
spear13xx_pcie_enable_interrupts(spear13xx_pcie);
}
-static struct dw_pcie_host_ops spear13xx_pcie_host_ops = {
+static const struct dw_pcie_host_ops spear13xx_pcie_host_ops = {
.host_init = spear13xx_pcie_host_init,
};