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Message-ID: <20170605085346.3732-1-jszhang@marvell.com>
Date: Mon, 5 Jun 2017 16:53:46 +0800
From: Jisheng Zhang <jszhang@...vell.com>
To: <bhelgaas@...gle.com>, <kishon@...com>, <jingoohan1@...il.com>,
<kgene@...nel.org>, <krzk@...nel.org>, <javier@....samsung.com>,
<hongxing.zhu@....com>, <l.stach@...gutronix.de>,
<m-karicheri2@...com>, <minghuan.Lian@...escale.com>,
<mingkai.hu@...escale.com>, <tie-fei.zang@...escale.com>,
<thomas.petazzoni@...e-electrons.com>, <niklas.cassel@...s.com>,
<jesper.nilsson@...s.com>, <Joao.Pinto@...opsys.com>,
<svarbanov@...sol.com>, <pratyush.anand@...il.com>
CC: <linux-omap@...r.kernel.org>, <linux-pci@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-samsung-soc@...r.kernel.org>,
<linuxppc-dev@...ts.ozlabs.org>, <linux-arm-kernel@...s.com>,
<linux-arm-msm@...r.kernel.org>,
Jisheng Zhang <jszhang@...vell.com>
Subject: [PATCH] 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@...vell.com>
---
drivers/pci/dwc/pci-dra7xx.c | 2 +-
drivers/pci/dwc/pci-exynos.c | 2 +-
drivers/pci/dwc/pci-imx6.c | 2 +-
drivers/pci/dwc/pci-keystone.c | 2 +-
drivers/pci/dwc/pci-layerscape.c | 6 +++---
drivers/pci/dwc/pcie-armada8k.c | 2 +-
drivers/pci/dwc/pcie-artpec6.c | 2 +-
drivers/pci/dwc/pcie-designware-plat.c | 2 +-
drivers/pci/dwc/pcie-designware.h | 2 +-
drivers/pci/dwc/pcie-qcom.c | 2 +-
drivers/pci/dwc/pcie-spear13xx.c | 2 +-
11 files changed, 13 insertions(+), 13 deletions(-)
diff --git a/drivers/pci/dwc/pci-dra7xx.c b/drivers/pci/dwc/pci-dra7xx.c
index 8decf46cf525..e4166032b3c6 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 546082ad5a3f..c78c06552590 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 a98cba55c7f0..fb4816088a7a 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 fcc9723bad6e..4783cec1f78d 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 27d638c4e134..fd861289ad8b 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 495b023042b3..ea8f34af6a85 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 82a04acc42fd..01c6f7823672 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 a9865d91b43c..091b4e7ad059 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 c6a840575796..b4d2a89f8e58 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 96ee527c1ed2..39e8c0095715 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 8ff36b3dbbdf..80897291e0fb 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,
};
--
2.11.0
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