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Date: Mon, 1 Jun 2020 22:33:45 +0800
From: Dejin Zheng <zhengdejin5@...il.com>
To: tjoseph@...ence.com, lorenzo.pieralisi@....com, robh@...nel.org,
bhelgaas@...gle.com, thierry.reding@...il.com,
toan@...amperecomputing.com, ley.foon.tan@...el.com,
shawn.lin@...k-chips.com, linux-pci@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: Dejin Zheng <zhengdejin5@...il.com>
Subject: [PATCH v1] PCI: controller: convert to devm_platform_ioremap_resource_byname()
Use devm_platform_ioremap_resource_byname() to simplify codes.
it contains platform_get_resource_byname() and devm_ioremap_resource().
Signed-off-by: Dejin Zheng <zhengdejin5@...il.com>
---
drivers/pci/controller/cadence/pcie-cadence-ep.c | 3 +--
drivers/pci/controller/cadence/pcie-cadence-host.c | 3 +--
drivers/pci/controller/pci-tegra.c | 8 +++-----
drivers/pci/controller/pci-xgene.c | 3 +--
drivers/pci/controller/pcie-altera-msi.c | 3 +--
drivers/pci/controller/pcie-altera.c | 9 +++------
drivers/pci/controller/pcie-mediatek.c | 4 +---
drivers/pci/controller/pcie-rockchip.c | 5 ++---
drivers/pci/controller/pcie-xilinx-nwl.c | 7 +++----
9 files changed, 16 insertions(+), 29 deletions(-)
diff --git a/drivers/pci/controller/cadence/pcie-cadence-ep.c b/drivers/pci/controller/cadence/pcie-cadence-ep.c
index 1c15c8352125..74ffa03fde5f 100644
--- a/drivers/pci/controller/cadence/pcie-cadence-ep.c
+++ b/drivers/pci/controller/cadence/pcie-cadence-ep.c
@@ -408,8 +408,7 @@ int cdns_pcie_ep_setup(struct cdns_pcie_ep *ep)
pcie->is_rc = false;
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "reg");
- pcie->reg_base = devm_ioremap_resource(dev, res);
+ pcie->reg_base = devm_platform_ioremap_resource_byname(pdev, "reg");
if (IS_ERR(pcie->reg_base)) {
dev_err(dev, "missing \"reg\"\n");
return PTR_ERR(pcie->reg_base);
diff --git a/drivers/pci/controller/cadence/pcie-cadence-host.c b/drivers/pci/controller/cadence/pcie-cadence-host.c
index 8c2543f28ba0..dcc460a54875 100644
--- a/drivers/pci/controller/cadence/pcie-cadence-host.c
+++ b/drivers/pci/controller/cadence/pcie-cadence-host.c
@@ -225,8 +225,7 @@ int cdns_pcie_host_setup(struct cdns_pcie_rc *rc)
rc->device_id = 0xffff;
of_property_read_u32(np, "device-id", &rc->device_id);
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "reg");
- pcie->reg_base = devm_ioremap_resource(dev, res);
+ pcie->reg_base = devm_platform_ioremap_resource_byname(pdev, "reg");
if (IS_ERR(pcie->reg_base)) {
dev_err(dev, "missing \"reg\"\n");
return PTR_ERR(pcie->reg_base);
diff --git a/drivers/pci/controller/pci-tegra.c b/drivers/pci/controller/pci-tegra.c
index e3e917243e10..3e608383df66 100644
--- a/drivers/pci/controller/pci-tegra.c
+++ b/drivers/pci/controller/pci-tegra.c
@@ -1462,7 +1462,7 @@ static int tegra_pcie_get_resources(struct tegra_pcie *pcie)
{
struct device *dev = pcie->dev;
struct platform_device *pdev = to_platform_device(dev);
- struct resource *pads, *afi, *res;
+ struct resource *res;
const struct tegra_pcie_soc *soc = pcie->soc;
int err;
@@ -1486,15 +1486,13 @@ static int tegra_pcie_get_resources(struct tegra_pcie *pcie)
}
}
- pads = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pads");
- pcie->pads = devm_ioremap_resource(dev, pads);
+ pcie->pads = devm_platform_ioremap_resource_byname(pdev, "pads");
if (IS_ERR(pcie->pads)) {
err = PTR_ERR(pcie->pads);
goto phys_put;
}
- afi = platform_get_resource_byname(pdev, IORESOURCE_MEM, "afi");
- pcie->afi = devm_ioremap_resource(dev, afi);
+ pcie->afi = devm_platform_ioremap_resource_byname(pdev, "afi");
if (IS_ERR(pcie->afi)) {
err = PTR_ERR(pcie->afi);
goto phys_put;
diff --git a/drivers/pci/controller/pci-xgene.c b/drivers/pci/controller/pci-xgene.c
index d1efa8ffbae1..1431a18eb02c 100644
--- a/drivers/pci/controller/pci-xgene.c
+++ b/drivers/pci/controller/pci-xgene.c
@@ -355,8 +355,7 @@ static int xgene_pcie_map_reg(struct xgene_pcie_port *port,
if (IS_ERR(port->csr_base))
return PTR_ERR(port->csr_base);
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg");
- port->cfg_base = devm_ioremap_resource(dev, res);
+ port->cfg_base = devm_platform_ioremap_resource_byname(pdev, "cfg");
if (IS_ERR(port->cfg_base))
return PTR_ERR(port->cfg_base);
port->cfg_addr = res->start;
diff --git a/drivers/pci/controller/pcie-altera-msi.c b/drivers/pci/controller/pcie-altera-msi.c
index 16d938920ca5..613e19af71bd 100644
--- a/drivers/pci/controller/pcie-altera-msi.c
+++ b/drivers/pci/controller/pcie-altera-msi.c
@@ -228,8 +228,7 @@ static int altera_msi_probe(struct platform_device *pdev)
mutex_init(&msi->lock);
msi->pdev = pdev;
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "csr");
- msi->csr_base = devm_ioremap_resource(&pdev->dev, res);
+ msi->csr_base = devm_platform_ioremap_resource_byname(pdev, "csr");
if (IS_ERR(msi->csr_base)) {
dev_err(&pdev->dev, "failed to map csr memory\n");
return PTR_ERR(msi->csr_base);
diff --git a/drivers/pci/controller/pcie-altera.c b/drivers/pci/controller/pcie-altera.c
index 24cb1c331058..7200e40ffa26 100644
--- a/drivers/pci/controller/pcie-altera.c
+++ b/drivers/pci/controller/pcie-altera.c
@@ -696,17 +696,14 @@ static int altera_pcie_parse_dt(struct altera_pcie *pcie)
{
struct device *dev = &pcie->pdev->dev;
struct platform_device *pdev = pcie->pdev;
- struct resource *cra;
- struct resource *hip;
- cra = platform_get_resource_byname(pdev, IORESOURCE_MEM, "Cra");
- pcie->cra_base = devm_ioremap_resource(dev, cra);
+ pcie->cra_base = devm_platform_ioremap_resource_byname(pdev, "Cra");
if (IS_ERR(pcie->cra_base))
return PTR_ERR(pcie->cra_base);
if (pcie->pcie_data->version == ALTERA_PCIE_V2) {
- hip = platform_get_resource_byname(pdev, IORESOURCE_MEM, "Hip");
- pcie->hip_base = devm_ioremap_resource(&pdev->dev, hip);
+ pcie->hip_base =
+ devm_platform_ioremap_resource_byname(pdev, "Hip");
if (IS_ERR(pcie->hip_base))
return PTR_ERR(pcie->hip_base);
}
diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c
index ebfa7d5a4e2d..d8e38276dbe3 100644
--- a/drivers/pci/controller/pcie-mediatek.c
+++ b/drivers/pci/controller/pcie-mediatek.c
@@ -905,7 +905,6 @@ static int mtk_pcie_parse_port(struct mtk_pcie *pcie,
int slot)
{
struct mtk_pcie_port *port;
- struct resource *regs;
struct device *dev = pcie->dev;
struct platform_device *pdev = to_platform_device(dev);
char name[10];
@@ -916,8 +915,7 @@ static int mtk_pcie_parse_port(struct mtk_pcie *pcie,
return -ENOMEM;
snprintf(name, sizeof(name), "port%d", slot);
- regs = platform_get_resource_byname(pdev, IORESOURCE_MEM, name);
- port->base = devm_ioremap_resource(dev, regs);
+ port->base = devm_platform_ioremap_resource_byname(pdev, name);
if (IS_ERR(port->base)) {
dev_err(dev, "failed to map port%d base\n", slot);
return PTR_ERR(port->base);
diff --git a/drivers/pci/controller/pcie-rockchip.c b/drivers/pci/controller/pcie-rockchip.c
index c53d1322a3d6..904dec0d3a88 100644
--- a/drivers/pci/controller/pcie-rockchip.c
+++ b/drivers/pci/controller/pcie-rockchip.c
@@ -45,9 +45,8 @@ int rockchip_pcie_parse_dt(struct rockchip_pcie *rockchip)
return -EINVAL;
}
- regs = platform_get_resource_byname(pdev, IORESOURCE_MEM,
- "apb-base");
- rockchip->apb_base = devm_ioremap_resource(dev, regs);
+ rockchip->apb_base =
+ devm_platform_ioremap_resource_byname(pdev, "apb-base");
if (IS_ERR(rockchip->apb_base))
return PTR_ERR(rockchip->apb_base);
diff --git a/drivers/pci/controller/pcie-xilinx-nwl.c b/drivers/pci/controller/pcie-xilinx-nwl.c
index 9bd1427f2fd6..06d5ca33d008 100644
--- a/drivers/pci/controller/pcie-xilinx-nwl.c
+++ b/drivers/pci/controller/pcie-xilinx-nwl.c
@@ -777,14 +777,13 @@ static int nwl_pcie_parse_dt(struct nwl_pcie *pcie,
struct device *dev = pcie->dev;
struct resource *res;
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "breg");
- pcie->breg_base = devm_ioremap_resource(dev, res);
+ pcie->breg_base = devm_platform_ioremap_resource_byname(pdev, "breg");
if (IS_ERR(pcie->breg_base))
return PTR_ERR(pcie->breg_base);
pcie->phys_breg_base = res->start;
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pcireg");
- pcie->pcireg_base = devm_ioremap_resource(dev, res);
+ pcie->pcireg_base =
+ devm_platform_ioremap_resource_byname(pdev, "pcireg");
if (IS_ERR(pcie->pcireg_base))
return PTR_ERR(pcie->pcireg_base);
pcie->phys_pcie_reg_base = res->start;
--
2.25.0
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