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PCI: dwc: Remove unnecessary wrappers around dw_pcie_host_init() 

Many calls to dw_pcie_host_init() are in a wrapper function with
nothing else now. Let's remove the pointless extra layer.

Link: https://lore.kernel.org/r/20201105211159.1814485-14-robh@kernel.org
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Richard Zhu <hongxing.zhu@nxp.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: NXP Linux Team <linux-imx@nxp.com>
Cc: Murali Karicheri <m-karicheri2@ti.com>
Cc: Minghuan Lian <minghuan.Lian@nxp.com>
Cc: Mingkai Hu <mingkai.hu@nxp.com>
Cc: Roy Zang <roy.zang@nxp.com>
Cc: Yue Wang <yue.wang@Amlogic.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Jerome Brunet <jbrunet@baylibre.com>
Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: Jonathan Chocron <jonnyc@amazon.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Xiaowei Song <songxiaowei@hisilicon.com>
Cc: Binghui Wang <wangbinghui@hisilicon.com>
Cc: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-amlogic@lists.infradead.org
Cc: linux-arm-kernel@axis.com
This commit is contained in:
Rob Herring 2020-11-05 15:11:56 -06:00 committed by Lorenzo Pieralisi
parent b9ac0f9dc8
commit 60f5b73fa0
8 changed files with 17 additions and 149 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
drivers/pci/controller/dwc/pci-imx6.c
View File

@ -842,25 +842,6 @@ static const struct dw_pcie_host_ops imx6_pcie_host_ops = {
.host_init = imx6_pcie_host_init,
};
static int imx6_add_pcie_port(struct imx6_pcie *imx6_pcie,
struct platform_device *pdev)
{
struct dw_pcie *pci = imx6_pcie->pci;
struct pcie_port *pp = &pci->pp;
struct device *dev = &pdev->dev;
int ret;
pp->ops = &imx6_pcie_host_ops;
ret = dw_pcie_host_init(pp);
if (ret) {
dev_err(dev, "failed to initialize host\n");
return ret;
}
return 0;
}
static const struct dw_pcie_ops dw_pcie_ops = {
.start_link = imx6_pcie_start_link,
};
@ -1005,6 +986,7 @@ static int imx6_pcie_probe(struct platform_device *pdev)
pci->dev = dev;
pci->ops = &dw_pcie_ops;
pci->pp.ops = &imx6_pcie_host_ops;
imx6_pcie->pci = pci;
imx6_pcie->drvdata = of_device_get_match_data(dev);
@ -1154,7 +1136,7 @@ static int imx6_pcie_probe(struct platform_device *pdev)
if (ret)
return ret;
ret = imx6_add_pcie_port(imx6_pcie, pdev);
ret = dw_pcie_host_init(&pci->pp);
if (ret < 0)
return ret;

19
drivers/pci/controller/dwc/pci-keystone.c
View File

@ -844,23 +844,6 @@ static irqreturn_t ks_pcie_err_irq_handler(int irq, void *priv)
return ks_pcie_handle_error_irq(ks_pcie);
}
static int __init ks_pcie_add_pcie_port(struct keystone_pcie *ks_pcie,
struct platform_device *pdev)
{
struct dw_pcie *pci = ks_pcie->pci;
struct pcie_port *pp = &pci->pp;
struct device *dev = &pdev->dev;
int ret;
ret = dw_pcie_host_init(pp);
if (ret) {
dev_err(dev, "failed to initialize host\n");
return ret;
}
return 0;
}
static void ks_pcie_am654_write_dbi2(struct dw_pcie *pci, void __iomem *base,
u32 reg, size_t size, u32 val)
{
@ -1255,7 +1238,7 @@ static int __init ks_pcie_probe(struct platform_device *pdev)
}
pci->pp.ops = host_ops;
ret = ks_pcie_add_pcie_port(ks_pcie, pdev);
ret = dw_pcie_host_init(&pci->pp);
if (ret < 0)
goto err_get_sync;
break;

26
drivers/pci/controller/dwc/pci-layerscape.c
View File

@ -232,31 +232,12 @@ static const struct of_device_id ls_pcie_of_match[] = {
{ },
};
static int __init ls_add_pcie_port(struct ls_pcie *pcie)
{
struct dw_pcie *pci = pcie->pci;
struct pcie_port *pp = &pci->pp;
struct device *dev = pci->dev;
int ret;
pp->ops = pcie->drvdata->ops;
ret = dw_pcie_host_init(pp);
if (ret) {
dev_err(dev, "failed to initialize host\n");
return ret;
}
return 0;
}
static int __init ls_pcie_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct dw_pcie *pci;
struct ls_pcie *pcie;
struct resource *dbi_base;
int ret;
pcie = devm_kzalloc(dev, sizeof(*pcie), GFP_KERNEL);
if (!pcie)
@ -270,6 +251,7 @@ static int __init ls_pcie_probe(struct platform_device *pdev)
pci->dev = dev;
pci->ops = pcie->drvdata->dw_pcie_ops;
pci->pp.ops = pcie->drvdata->ops;
pcie->pci = pci;
@ -285,11 +267,7 @@ static int __init ls_pcie_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, pcie);
ret = ls_add_pcie_port(pcie);
if (ret < 0)
return ret;
return 0;
return dw_pcie_host_init(&pci->pp);
}
static struct platform_driver ls_pcie_driver = {

22
drivers/pci/controller/dwc/pci-meson.c
View File

@ -387,25 +387,6 @@ static const struct dw_pcie_host_ops meson_pcie_host_ops = {
.host_init = meson_pcie_host_init,
};
static int meson_add_pcie_port(struct meson_pcie *mp,
struct platform_device *pdev)
{
struct dw_pcie *pci = &mp->pci;
struct pcie_port *pp = &pci->pp;
struct device *dev = &pdev->dev;
int ret;
pp->ops = &meson_pcie_host_ops;
ret = dw_pcie_host_init(pp);
if (ret) {
dev_err(dev, "failed to initialize host\n");
return ret;
}
return 0;
}
static const struct dw_pcie_ops dw_pcie_ops = {
.link_up = meson_pcie_link_up,
.start_link = meson_pcie_start_link,
@ -425,6 +406,7 @@ static int meson_pcie_probe(struct platform_device *pdev)
pci = &mp->pci;
pci->dev = dev;
pci->ops = &dw_pcie_ops;
pci->pp.ops = &meson_pcie_host_ops;
pci->num_lanes = 1;
mp->phy = devm_phy_get(dev, "pcie");
@ -471,7 +453,7 @@ static int meson_pcie_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, mp);
ret = meson_add_pcie_port(mp, pdev);
ret = dw_pcie_host_init(&pci->pp);
if (ret < 0) {
dev_err(dev, "Add PCIe port failed, %d\n", ret);
goto err_phy;

20
drivers/pci/controller/dwc/pcie-al.c
View File

@ -322,23 +322,6 @@ static const struct dw_pcie_host_ops al_pcie_host_ops = {
.host_init = al_pcie_host_init,
};
static int al_add_pcie_port(struct pcie_port *pp,
struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
int ret;
pp->ops = &al_pcie_host_ops;
ret = dw_pcie_host_init(pp);
if (ret) {
dev_err(dev, "failed to initialize host\n");
return ret;
}
return 0;
}
static const struct dw_pcie_ops dw_pcie_ops = {
};
@ -360,6 +343,7 @@ static int al_pcie_probe(struct platform_device *pdev)
pci->dev = dev;
pci->ops = &dw_pcie_ops;
pci->pp.ops = &al_pcie_host_ops;
al_pcie->pci = pci;
al_pcie->dev = dev;
@ -384,7 +368,7 @@ static int al_pcie_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, al_pcie);
return al_add_pcie_port(&pci->pp, pdev);
return dw_pcie_host_init(&pci->pp);
}
static const struct of_device_id al_pcie_of_match[] = {

23
drivers/pci/controller/dwc/pcie-artpec6.c
View File

@ -336,25 +336,6 @@ static const struct dw_pcie_host_ops artpec6_pcie_host_ops = {
.host_init = artpec6_pcie_host_init,
};
static int artpec6_add_pcie_port(struct artpec6_pcie *artpec6_pcie,
struct platform_device *pdev)
{
struct dw_pcie *pci = artpec6_pcie->pci;
struct pcie_port *pp = &pci->pp;
struct device *dev = pci->dev;
int ret;
pp->ops = &artpec6_pcie_host_ops;
ret = dw_pcie_host_init(pp);
if (ret) {
dev_err(dev, "failed to initialize host\n");
return ret;
}
return 0;
}
static void artpec6_pcie_ep_init(struct dw_pcie_ep *ep)
{
struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
@ -445,7 +426,9 @@ static int artpec6_pcie_probe(struct platform_device *pdev)
if (!IS_ENABLED(CONFIG_PCIE_ARTPEC6_HOST))
return -ENODEV;
ret = artpec6_add_pcie_port(artpec6_pcie, pdev);
pci->pp.ops = &artpec6_pcie_host_ops;
ret = dw_pcie_host_init(&pci->pp);
if (ret < 0)
return ret;
break;

11
drivers/pci/controller/dwc/pcie-kirin.c
View File

@ -419,14 +419,6 @@ static const struct dw_pcie_host_ops kirin_pcie_host_ops = {
.host_init = kirin_pcie_host_init,
};
static int kirin_add_pcie_port(struct dw_pcie *pci,
struct platform_device *pdev)
{
pci->pp.ops = &kirin_pcie_host_ops;
return dw_pcie_host_init(&pci->pp);
}
static int kirin_pcie_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@ -449,6 +441,7 @@ static int kirin_pcie_probe(struct platform_device *pdev)
pci->dev = dev;
pci->ops = &kirin_dw_pcie_ops;
pci->pp.ops = &kirin_pcie_host_ops;
kirin_pcie->pci = pci;
ret = kirin_pcie_get_clk(kirin_pcie, pdev);
@ -474,7 +467,7 @@ static int kirin_pcie_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, kirin_pcie);
return kirin_add_pcie_port(pci, pdev);
return dw_pcie_host_init(&pci->pp);
}
static const struct of_device_id kirin_pcie_match[] = {

23
drivers/pci/controller/dwc/pcie-uniphier.c
View File

@ -321,25 +321,6 @@ static const struct dw_pcie_host_ops uniphier_pcie_host_ops = {
.host_init = uniphier_pcie_host_init,
};
static int uniphier_add_pcie_port(struct uniphier_pcie_priv *priv,
struct platform_device *pdev)
{
struct dw_pcie *pci = &priv->pci;
struct pcie_port *pp = &pci->pp;
struct device *dev = &pdev->dev;
int ret;
pp->ops = &uniphier_pcie_host_ops;
ret = dw_pcie_host_init(pp);
if (ret) {
dev_err(dev, "Failed to initialize host (%d)\n", ret);
return ret;
}
return 0;
}
static int uniphier_pcie_host_enable(struct uniphier_pcie_priv *priv)
{
int ret;
@ -415,7 +396,9 @@ static int uniphier_pcie_probe(struct platform_device *pdev)
if (ret)
return ret;
return uniphier_add_pcie_port(priv, pdev);
priv->pci.pp.ops = &uniphier_pcie_host_ops;
return dw_pcie_host_init(&priv->pci.pp);
}
static const struct of_device_id uniphier_pcie_match[] = {