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Message-ID: <mz3ahnech7yn66hcv7hqllir6rz6qpjd6m2aj3feh2gqfsvpwk@oobwtkb6o2jx>
Date: Wed, 14 Jan 2026 12:29:00 +0900
From: Koichiro Den <den@...inux.co.jp>
To: Frank Li <Frank.li@....com>
Cc: jingoohan1@...il.com, mani@...nel.org, lpieralisi@...nel.org,
kwilczynski@...nel.org, robh@...nel.org, bhelgaas@...gle.com, cassel@...nel.org,
vigneshr@...com, s-vadapalli@...com, hongxing.zhu@....com, l.stach@...gutronix.de,
shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
festevam@...il.com, minghuan.Lian@....com, mingkai.hu@....com, roy.zang@....com,
jesper.nilsson@...s.com, heiko@...ech.de, srikanth.thokala@...el.com,
marek.vasut+renesas@...il.com, yoshihiro.shimoda.uh@...esas.com, geert+renesas@...der.be,
magnus.damm@...il.com, christian.bruel@...s.st.com, mcoquelin.stm32@...il.com,
alexandre.torgue@...s.st.com, thierry.reding@...il.com, jonathanh@...dia.com,
hayashi.kunihiko@...ionext.com, mhiramat@...nel.org, kishon@...nel.org, jirislaby@...nel.org,
rongqianfeng@...o.com, 18255117159@....com, shawn.lin@...k-chips.com,
nicolas.frattaroli@...labora.com, linux.amoon@...il.com, vidyas@...dia.com,
linux-omap@...r.kernel.org, linux-pci@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, imx@...ts.linux.dev, linuxppc-dev@...ts.ozlabs.org,
linux-arm-kernel@...s.com, linux-rockchip@...ts.infradead.org,
linux-arm-msm@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
linux-stm32@...md-mailman.stormreply.com, linux-tegra@...r.kernel.org
Subject: Re: [PATCH v7 3/6] PCI: dwc: Allow glue drivers to return mutable
EPC features
On Tue, Jan 13, 2026 at 03:38:45PM -0500, Frank Li wrote:
> On Wed, Jan 14, 2026 at 01:27:16AM +0900, Koichiro Den wrote:
> > The DesignWare EP midlayer needs to advertise additional capabilities at
> > the DWC layer (e.g. subrange_mapping) without duplicating the same bit
> > in every DWC-based glue driver and without copying feature structures.
> >
> > Change dw_pcie_ep_ops.get_features() to return a mutable
> > struct pci_epc_features * and update all DWC-based glue drivers
> > accordingly. The DWC midlayer can then adjust/augment the returned
> > features while still exposing a const struct pci_epc_features * to the
> > PCI EPC core.
> >
> > No functional change on its own.
> >
> > Suggested-by: Niklas Cassel <cassel@...nel.org>
> > Reviewed-by: Niklas Cassel <cassel@...nel.org>
> > Signed-off-by: Koichiro Den <den@...inux.co.jp>
> > ---
> > drivers/pci/controller/dwc/pci-dra7xx.c | 4 +-
> > drivers/pci/controller/dwc/pci-imx6.c | 10 ++--
> > drivers/pci/controller/dwc/pci-keystone.c | 4 +-
> > .../pci/controller/dwc/pci-layerscape-ep.c | 2 +-
> > drivers/pci/controller/dwc/pcie-artpec6.c | 4 +-
> > .../pci/controller/dwc/pcie-designware-plat.c | 4 +-
> > drivers/pci/controller/dwc/pcie-designware.h | 2 +-
> > drivers/pci/controller/dwc/pcie-dw-rockchip.c | 8 +--
> > drivers/pci/controller/dwc/pcie-keembay.c | 4 +-
> > drivers/pci/controller/dwc/pcie-qcom-ep.c | 4 +-
> > drivers/pci/controller/dwc/pcie-rcar-gen4.c | 4 +-
> > drivers/pci/controller/dwc/pcie-stm32-ep.c | 4 +-
> > drivers/pci/controller/dwc/pcie-tegra194.c | 4 +-
> > drivers/pci/controller/dwc/pcie-uniphier-ep.c | 58 ++++++++++---------
> > 14 files changed, 60 insertions(+), 56 deletions(-)
> >
> > diff --git a/drivers/pci/controller/dwc/pci-dra7xx.c b/drivers/pci/controller/dwc/pci-dra7xx.c
> > index 01cfd9aeb0b8..e67f8b7b56cb 100644
> > --- a/drivers/pci/controller/dwc/pci-dra7xx.c
> > +++ b/drivers/pci/controller/dwc/pci-dra7xx.c
> > @@ -423,12 +423,12 @@ static int dra7xx_pcie_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
> > return 0;
> > }
> >
> > -static const struct pci_epc_features dra7xx_pcie_epc_features = {
> > +static struct pci_epc_features dra7xx_pcie_epc_features = {
> > .linkup_notifier = true,
> > .msi_capable = true,
> > };
> >
> > -static const struct pci_epc_features*
> > +static struct pci_epc_features*
> > dra7xx_pcie_get_features(struct dw_pcie_ep *ep)
> > {
> > return &dra7xx_pcie_epc_features;
> > diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
> > index 4668fc9648bf..fe1de30b3df6 100644
> > --- a/drivers/pci/controller/dwc/pci-imx6.c
> > +++ b/drivers/pci/controller/dwc/pci-imx6.c
> > @@ -131,7 +131,7 @@ struct imx_pcie_drvdata {
> > const u32 ltssm_mask;
> > const u32 mode_off[IMX_PCIE_MAX_INSTANCES];
> > const u32 mode_mask[IMX_PCIE_MAX_INSTANCES];
> > - const struct pci_epc_features *epc_features;
> > + struct pci_epc_features *epc_features;
> > int (*init_phy)(struct imx_pcie *pcie);
> > int (*enable_ref_clk)(struct imx_pcie *pcie, bool enable);
> > int (*core_reset)(struct imx_pcie *pcie, bool assert);
> > @@ -1386,7 +1386,7 @@ static int imx_pcie_ep_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
> > return 0;
> > }
> >
> > -static const struct pci_epc_features imx8m_pcie_epc_features = {
> > +static struct pci_epc_features imx8m_pcie_epc_features = {
> > .msi_capable = true,
> > .bar[BAR_1] = { .type = BAR_RESERVED, },
> > .bar[BAR_3] = { .type = BAR_RESERVED, },
> > @@ -1395,7 +1395,7 @@ static const struct pci_epc_features imx8m_pcie_epc_features = {
> > .align = SZ_64K,
> > };
> >
> > -static const struct pci_epc_features imx8q_pcie_epc_features = {
> > +static struct pci_epc_features imx8q_pcie_epc_features = {
>
> Is it more simple if
> #define DWC_EPC_DEFAULT .dynamtic_map = true
>
> Add
> DWC_EPC_DEFAULT, into every epc_features.
One corner case is that pci-layerscape-ep.c builds the pci_epc_features
dynamically in ls_pcie_ep_init(), rather than providing a static definition
with an initializer. I think setting (ie. overriding) the bit centrally in
dw_pcie_ep_get_features() keeps things simpler.
Thanks,
Koichiro
>
>
> Frank
>
> > .msi_capable = true,
> > .bar[BAR_1] = { .type = BAR_RESERVED, },
> > .bar[BAR_3] = { .type = BAR_RESERVED, },
> > @@ -1415,13 +1415,13 @@ static const struct pci_epc_features imx8q_pcie_epc_features = {
> > * BAR4 | Enable | 32-bit | 1 MB | Programmable Size
> > * BAR5 | Enable | 32-bit | 64 KB | Programmable Size
> > */
> > -static const struct pci_epc_features imx95_pcie_epc_features = {
> > +static struct pci_epc_features imx95_pcie_epc_features = {
> > .msi_capable = true,
> > .bar[BAR_1] = { .type = BAR_FIXED, .fixed_size = SZ_64K, },
> > .align = SZ_4K,
> > };
> >
> > -static const struct pci_epc_features*
> > +static struct pci_epc_features*
> > imx_pcie_ep_get_features(struct dw_pcie_ep *ep)
> > {
> > struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
> > diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c
> > index f86d9111f863..4292007a9b3a 100644
> > --- a/drivers/pci/controller/dwc/pci-keystone.c
> > +++ b/drivers/pci/controller/dwc/pci-keystone.c
> > @@ -929,7 +929,7 @@ static int ks_pcie_am654_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
> > return 0;
> > }
> >
> > -static const struct pci_epc_features ks_pcie_am654_epc_features = {
> > +static struct pci_epc_features ks_pcie_am654_epc_features = {
> > .msi_capable = true,
> > .msix_capable = true,
> > .bar[BAR_0] = { .type = BAR_RESERVED, },
> > @@ -941,7 +941,7 @@ static const struct pci_epc_features ks_pcie_am654_epc_features = {
> > .align = SZ_64K,
> > };
> >
> > -static const struct pci_epc_features*
> > +static struct pci_epc_features*
> > ks_pcie_am654_get_features(struct dw_pcie_ep *ep)
> > {
> > return &ks_pcie_am654_epc_features;
> > diff --git a/drivers/pci/controller/dwc/pci-layerscape-ep.c b/drivers/pci/controller/dwc/pci-layerscape-ep.c
> > index a4a800699f89..8d48413050ef 100644
> > --- a/drivers/pci/controller/dwc/pci-layerscape-ep.c
> > +++ b/drivers/pci/controller/dwc/pci-layerscape-ep.c
> > @@ -138,7 +138,7 @@ static int ls_pcie_ep_interrupt_init(struct ls_pcie_ep *pcie,
> > return 0;
> > }
> >
> > -static const struct pci_epc_features*
> > +static struct pci_epc_features*
> > ls_pcie_ep_get_features(struct dw_pcie_ep *ep)
> > {
> > struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
> > diff --git a/drivers/pci/controller/dwc/pcie-artpec6.c b/drivers/pci/controller/dwc/pcie-artpec6.c
> > index f4a136ee2daf..84111d8257f2 100644
> > --- a/drivers/pci/controller/dwc/pcie-artpec6.c
> > +++ b/drivers/pci/controller/dwc/pcie-artpec6.c
> > @@ -369,11 +369,11 @@ static int artpec6_pcie_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
> > return 0;
> > }
> >
> > -static const struct pci_epc_features artpec6_pcie_epc_features = {
> > +static struct pci_epc_features artpec6_pcie_epc_features = {
> > .msi_capable = true,
> > };
> >
> > -static const struct pci_epc_features *
> > +static struct pci_epc_features *
> > artpec6_pcie_get_features(struct dw_pcie_ep *ep)
> > {
> > return &artpec6_pcie_epc_features;
> > diff --git a/drivers/pci/controller/dwc/pcie-designware-plat.c b/drivers/pci/controller/dwc/pcie-designware-plat.c
> > index 12f41886c65d..60ada0eb838e 100644
> > --- a/drivers/pci/controller/dwc/pcie-designware-plat.c
> > +++ b/drivers/pci/controller/dwc/pcie-designware-plat.c
> > @@ -60,12 +60,12 @@ static int dw_plat_pcie_ep_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
> > return 0;
> > }
> >
> > -static const struct pci_epc_features dw_plat_pcie_epc_features = {
> > +static struct pci_epc_features dw_plat_pcie_epc_features = {
> > .msi_capable = true,
> > .msix_capable = true,
> > };
> >
> > -static const struct pci_epc_features*
> > +static struct pci_epc_features*
> > dw_plat_pcie_get_features(struct dw_pcie_ep *ep)
> > {
> > return &dw_plat_pcie_epc_features;
> > diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h
> > index f87c67a7a482..4dda9a38d46b 100644
> > --- a/drivers/pci/controller/dwc/pcie-designware.h
> > +++ b/drivers/pci/controller/dwc/pcie-designware.h
> > @@ -449,7 +449,7 @@ struct dw_pcie_ep_ops {
> > void (*init)(struct dw_pcie_ep *ep);
> > int (*raise_irq)(struct dw_pcie_ep *ep, u8 func_no,
> > unsigned int type, u16 interrupt_num);
> > - const struct pci_epc_features* (*get_features)(struct dw_pcie_ep *ep);
> > + struct pci_epc_features* (*get_features)(struct dw_pcie_ep *ep);
> > /*
> > * Provide a method to implement the different func config space
> > * access for different platform, if different func have different
> > diff --git a/drivers/pci/controller/dwc/pcie-dw-rockchip.c b/drivers/pci/controller/dwc/pcie-dw-rockchip.c
> > index 352f513ebf03..1f3c91368dc3 100644
> > --- a/drivers/pci/controller/dwc/pcie-dw-rockchip.c
> > +++ b/drivers/pci/controller/dwc/pcie-dw-rockchip.c
> > @@ -100,7 +100,7 @@ struct rockchip_pcie {
> >
> > struct rockchip_pcie_of_data {
> > enum dw_pcie_device_mode mode;
> > - const struct pci_epc_features *epc_features;
> > + struct pci_epc_features *epc_features;
> > };
> >
> > static int rockchip_pcie_readl_apb(struct rockchip_pcie *rockchip, u32 reg)
> > @@ -383,7 +383,7 @@ static int rockchip_pcie_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
> > return 0;
> > }
> >
> > -static const struct pci_epc_features rockchip_pcie_epc_features_rk3568 = {
> > +static struct pci_epc_features rockchip_pcie_epc_features_rk3568 = {
> > .linkup_notifier = true,
> > .msi_capable = true,
> > .msix_capable = true,
> > @@ -403,7 +403,7 @@ static const struct pci_epc_features rockchip_pcie_epc_features_rk3568 = {
> > * default.) If the host could write to BAR4, the iATU settings (for all other
> > * BARs) would be overwritten, resulting in (all other BARs) no longer working.
> > */
> > -static const struct pci_epc_features rockchip_pcie_epc_features_rk3588 = {
> > +static struct pci_epc_features rockchip_pcie_epc_features_rk3588 = {
> > .linkup_notifier = true,
> > .msi_capable = true,
> > .msix_capable = true,
> > @@ -416,7 +416,7 @@ static const struct pci_epc_features rockchip_pcie_epc_features_rk3588 = {
> > .bar[BAR_5] = { .type = BAR_RESIZABLE, },
> > };
> >
> > -static const struct pci_epc_features *
> > +static struct pci_epc_features *
> > rockchip_pcie_get_features(struct dw_pcie_ep *ep)
> > {
> > struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
> > diff --git a/drivers/pci/controller/dwc/pcie-keembay.c b/drivers/pci/controller/dwc/pcie-keembay.c
> > index 60e74ac782af..e6de5289329f 100644
> > --- a/drivers/pci/controller/dwc/pcie-keembay.c
> > +++ b/drivers/pci/controller/dwc/pcie-keembay.c
> > @@ -308,7 +308,7 @@ static int keembay_pcie_ep_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
> > }
> > }
> >
> > -static const struct pci_epc_features keembay_pcie_epc_features = {
> > +static struct pci_epc_features keembay_pcie_epc_features = {
> > .msi_capable = true,
> > .msix_capable = true,
> > .bar[BAR_0] = { .only_64bit = true, },
> > @@ -320,7 +320,7 @@ static const struct pci_epc_features keembay_pcie_epc_features = {
> > .align = SZ_16K,
> > };
> >
> > -static const struct pci_epc_features *
> > +static struct pci_epc_features *
> > keembay_pcie_get_features(struct dw_pcie_ep *ep)
> > {
> > return &keembay_pcie_epc_features;
> > diff --git a/drivers/pci/controller/dwc/pcie-qcom-ep.c b/drivers/pci/controller/dwc/pcie-qcom-ep.c
> > index f1bc0ac81a92..6ad033301909 100644
> > --- a/drivers/pci/controller/dwc/pcie-qcom-ep.c
> > +++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c
> > @@ -819,7 +819,7 @@ static void qcom_pcie_ep_init_debugfs(struct qcom_pcie_ep *pcie_ep)
> > qcom_pcie_ep_link_transition_count);
> > }
> >
> > -static const struct pci_epc_features qcom_pcie_epc_features = {
> > +static struct pci_epc_features qcom_pcie_epc_features = {
> > .linkup_notifier = true,
> > .msi_capable = true,
> > .align = SZ_4K,
> > @@ -829,7 +829,7 @@ static const struct pci_epc_features qcom_pcie_epc_features = {
> > .bar[BAR_3] = { .type = BAR_RESERVED, },
> > };
> >
> > -static const struct pci_epc_features *
> > +static struct pci_epc_features *
> > qcom_pcie_epc_get_features(struct dw_pcie_ep *pci_ep)
> > {
> > return &qcom_pcie_epc_features;
> > diff --git a/drivers/pci/controller/dwc/pcie-rcar-gen4.c b/drivers/pci/controller/dwc/pcie-rcar-gen4.c
> > index 80778917d2dd..ff0c4af90eff 100644
> > --- a/drivers/pci/controller/dwc/pcie-rcar-gen4.c
> > +++ b/drivers/pci/controller/dwc/pcie-rcar-gen4.c
> > @@ -419,7 +419,7 @@ static int rcar_gen4_pcie_ep_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
> > return 0;
> > }
> >
> > -static const struct pci_epc_features rcar_gen4_pcie_epc_features = {
> > +static struct pci_epc_features rcar_gen4_pcie_epc_features = {
> > .msi_capable = true,
> > .bar[BAR_1] = { .type = BAR_RESERVED, },
> > .bar[BAR_3] = { .type = BAR_RESERVED, },
> > @@ -428,7 +428,7 @@ static const struct pci_epc_features rcar_gen4_pcie_epc_features = {
> > .align = SZ_1M,
> > };
> >
> > -static const struct pci_epc_features*
> > +static struct pci_epc_features*
> > rcar_gen4_pcie_ep_get_features(struct dw_pcie_ep *ep)
> > {
> > return &rcar_gen4_pcie_epc_features;
> > diff --git a/drivers/pci/controller/dwc/pcie-stm32-ep.c b/drivers/pci/controller/dwc/pcie-stm32-ep.c
> > index 2cecf32d2b0f..8a892def54f5 100644
> > --- a/drivers/pci/controller/dwc/pcie-stm32-ep.c
> > +++ b/drivers/pci/controller/dwc/pcie-stm32-ep.c
> > @@ -69,12 +69,12 @@ static int stm32_pcie_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
> > }
> > }
> >
> > -static const struct pci_epc_features stm32_pcie_epc_features = {
> > +static struct pci_epc_features stm32_pcie_epc_features = {
> > .msi_capable = true,
> > .align = SZ_64K,
> > };
> >
> > -static const struct pci_epc_features*
> > +static struct pci_epc_features*
> > stm32_pcie_get_features(struct dw_pcie_ep *ep)
> > {
> > return &stm32_pcie_epc_features;
> > diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c
> > index 0ddeef70726d..06f45a17e52c 100644
> > --- a/drivers/pci/controller/dwc/pcie-tegra194.c
> > +++ b/drivers/pci/controller/dwc/pcie-tegra194.c
> > @@ -1987,7 +1987,7 @@ static int tegra_pcie_ep_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
> > return 0;
> > }
> >
> > -static const struct pci_epc_features tegra_pcie_epc_features = {
> > +static struct pci_epc_features tegra_pcie_epc_features = {
> > .linkup_notifier = true,
> > .msi_capable = true,
> > .bar[BAR_0] = { .type = BAR_FIXED, .fixed_size = SZ_1M,
> > @@ -2000,7 +2000,7 @@ static const struct pci_epc_features tegra_pcie_epc_features = {
> > .align = SZ_64K,
> > };
> >
> > -static const struct pci_epc_features*
> > +static struct pci_epc_features*
> > tegra_pcie_ep_get_features(struct dw_pcie_ep *ep)
> > {
> > return &tegra_pcie_epc_features;
> > diff --git a/drivers/pci/controller/dwc/pcie-uniphier-ep.c b/drivers/pci/controller/dwc/pcie-uniphier-ep.c
> > index d6e73811216e..ddb5ff70340c 100644
> > --- a/drivers/pci/controller/dwc/pcie-uniphier-ep.c
> > +++ b/drivers/pci/controller/dwc/pcie-uniphier-ep.c
> > @@ -82,7 +82,7 @@ struct uniphier_pcie_ep_soc_data {
> > bool has_gio;
> > void (*init)(struct uniphier_pcie_ep_priv *priv);
> > int (*wait)(struct uniphier_pcie_ep_priv *priv);
> > - const struct pci_epc_features features;
> > + struct pci_epc_features *features;
> > };
> >
> > #define to_uniphier_pcie(x) dev_get_drvdata((x)->dev)
> > @@ -273,13 +273,13 @@ static int uniphier_pcie_ep_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
> > return 0;
> > }
> >
> > -static const struct pci_epc_features*
> > +static struct pci_epc_features*
> > uniphier_pcie_get_features(struct dw_pcie_ep *ep)
> > {
> > struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
> > struct uniphier_pcie_ep_priv *priv = to_uniphier_pcie(pci);
> >
> > - return &priv->data->features;
> > + return priv->data->features;
> > }
> >
> > static const struct dw_pcie_ep_ops uniphier_pcie_ep_ops = {
> > @@ -415,40 +415,44 @@ static int uniphier_pcie_ep_probe(struct platform_device *pdev)
> > return 0;
> > }
> >
> > +static struct pci_epc_features uniphier_pro5_features = {
> > + .linkup_notifier = false,
> > + .msi_capable = true,
> > + .msix_capable = false,
> > + .align = 1 << 16,
> > + .bar[BAR_0] = { .only_64bit = true, },
> > + .bar[BAR_1] = { .type = BAR_RESERVED, },
> > + .bar[BAR_2] = { .only_64bit = true, },
> > + .bar[BAR_3] = { .type = BAR_RESERVED, },
> > + .bar[BAR_4] = { .type = BAR_RESERVED, },
> > + .bar[BAR_5] = { .type = BAR_RESERVED, },
> > +};
> > +
> > +static struct pci_epc_features uniphier_nx1_features = {
> > + .linkup_notifier = false,
> > + .msi_capable = true,
> > + .msix_capable = false,
> > + .align = 1 << 12,
> > + .bar[BAR_0] = { .only_64bit = true, },
> > + .bar[BAR_1] = { .type = BAR_RESERVED, },
> > + .bar[BAR_2] = { .only_64bit = true, },
> > + .bar[BAR_3] = { .type = BAR_RESERVED, },
> > + .bar[BAR_4] = { .only_64bit = true, },
> > + .bar[BAR_5] = { .type = BAR_RESERVED, },
> > +};
> > +
> > static const struct uniphier_pcie_ep_soc_data uniphier_pro5_data = {
> > .has_gio = true,
> > .init = uniphier_pcie_pro5_init_ep,
> > .wait = NULL,
> > - .features = {
> > - .linkup_notifier = false,
> > - .msi_capable = true,
> > - .msix_capable = false,
> > - .align = 1 << 16,
> > - .bar[BAR_0] = { .only_64bit = true, },
> > - .bar[BAR_1] = { .type = BAR_RESERVED, },
> > - .bar[BAR_2] = { .only_64bit = true, },
> > - .bar[BAR_3] = { .type = BAR_RESERVED, },
> > - .bar[BAR_4] = { .type = BAR_RESERVED, },
> > - .bar[BAR_5] = { .type = BAR_RESERVED, },
> > - },
> > + .features = &uniphier_pro5_features,
> > };
> >
> > static const struct uniphier_pcie_ep_soc_data uniphier_nx1_data = {
> > .has_gio = false,
> > .init = uniphier_pcie_nx1_init_ep,
> > .wait = uniphier_pcie_nx1_wait_ep,
> > - .features = {
> > - .linkup_notifier = false,
> > - .msi_capable = true,
> > - .msix_capable = false,
> > - .align = 1 << 12,
> > - .bar[BAR_0] = { .only_64bit = true, },
> > - .bar[BAR_1] = { .type = BAR_RESERVED, },
> > - .bar[BAR_2] = { .only_64bit = true, },
> > - .bar[BAR_3] = { .type = BAR_RESERVED, },
> > - .bar[BAR_4] = { .only_64bit = true, },
> > - .bar[BAR_5] = { .type = BAR_RESERVED, },
> > - },
> > + .features = &uniphier_nx1_features,
> > };
> >
> > static const struct of_device_id uniphier_pcie_ep_match[] = {
> > --
> > 2.51.0
> >
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