From: Niklas Cassel <cassel@kernel.org>
To: Koichiro Den <den@valinux.co.jp>
Cc: jingoohan1@gmail.com, mani@kernel.org, lpieralisi@kernel.org,
kwilczynski@kernel.org, robh@kernel.org, bhelgaas@google.com,
vigneshr@ti.com, s-vadapalli@ti.com, hongxing.zhu@nxp.com,
l.stach@pengutronix.de, shawnguo@kernel.org,
s.hauer@pengutronix.de, kernel@pengutronix.de,
festevam@gmail.com, minghuan.Lian@nxp.com, mingkai.hu@nxp.com,
roy.zang@nxp.com, jesper.nilsson@axis.com, heiko@sntech.de,
srikanth.thokala@intel.com, marek.vasut+renesas@gmail.com,
yoshihiro.shimoda.uh@renesas.com, geert+renesas@glider.be,
magnus.damm@gmail.com, christian.bruel@foss.st.com,
mcoquelin.stm32@gmail.com, alexandre.torgue@foss.st.com,
thierry.reding@gmail.com, jonathanh@nvidia.com,
hayashi.kunihiko@socionext.com, mhiramat@kernel.org,
kishon@kernel.org, jirislaby@kernel.org, rongqianfeng@vivo.com,
18255117159@163.com, shawn.lin@rock-chips.com,
nicolas.frattaroli@collabora.com, linux.amoon@gmail.com,
vidyas@nvidia.com, Frank.Li@nxp.com, linux-omap@vger.kernel.org,
linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, imx@lists.linux.dev,
linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@axis.com,
linux-rockchip@lists.infradead.org,
linux-arm-msm@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
linux-stm32@st-md-mailman.stormreply.com,
linux-tegra@vger.kernel.org
Subject: Re: [PATCH v6 2/5] PCI: dwc: Allow glue drivers to return mutable EPC features
Date: Tue, 13 Jan 2026 11:14:23 +0100 [thread overview]
Message-ID: <aWYa_9mlWu-A2uCN@ryzen> (raw)
In-Reply-To: <20260113023715.3463724-3-den@valinux.co.jp>
On Tue, Jan 13, 2026 at 11:37:12AM +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@kernel.org>
> Signed-off-by: Koichiro Den <den@valinux.co.jp>
> ---
Reviewed-by: Niklas Cassel <cassel@kernel.org>
WARNING: multiple messages have this Message-ID (diff)
From: Niklas Cassel <cassel@kernel.org>
To: Koichiro Den <den@valinux.co.jp>
Cc: jingoohan1@gmail.com, mani@kernel.org, lpieralisi@kernel.org,
kwilczynski@kernel.org, robh@kernel.org, bhelgaas@google.com,
vigneshr@ti.com, s-vadapalli@ti.com, hongxing.zhu@nxp.com,
l.stach@pengutronix.de, shawnguo@kernel.org,
s.hauer@pengutronix.de, kernel@pengutronix.de,
festevam@gmail.com, minghuan.Lian@nxp.com, mingkai.hu@nxp.com,
roy.zang@nxp.com, jesper.nilsson@axis.com, heiko@sntech.de,
srikanth.thokala@intel.com, marek.vasut+renesas@gmail.com,
yoshihiro.shimoda.uh@renesas.com, geert+renesas@glider.be,
magnus.damm@gmail.com, christian.bruel@foss.st.com,
mcoquelin.stm32@gmail.com, alexandre.torgue@foss.st.com,
thierry.reding@gmail.com, jonathanh@nvidia.com,
hayashi.kunihiko@socionext.com, mhiramat@kernel.org,
kishon@kernel.org, jirislaby@kernel.org, rongqianfeng@vivo.com,
18255117159@163.com, shawn.lin@rock-chips.com,
nicolas.frattaroli@collabora.com, linux.amoon@gmail.com,
vidyas@nvidia.com, Frank.Li@nxp.com, linux-omap@vger.kernel.org,
linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, imx@lists.linux.dev,
linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@axis.com,
linux-rockchip@lists.infradead.org,
linux-arm-msm@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
linux-stm32@st-md-mailman.stormreply.com,
linux-tegra@vger.kernel.org
Subject: Re: [PATCH v6 2/5] PCI: dwc: Allow glue drivers to return mutable EPC features
Date: Tue, 13 Jan 2026 11:14:23 +0100 [thread overview]
Message-ID: <aWYa_9mlWu-A2uCN@ryzen> (raw)
In-Reply-To: <20260113023715.3463724-3-den@valinux.co.jp>
On Tue, Jan 13, 2026 at 11:37:12AM +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@kernel.org>
> Signed-off-by: Koichiro Den <den@valinux.co.jp>
> ---
Reviewed-by: Niklas Cassel <cassel@kernel.org>
_______________________________________________
Linux-rockchip mailing list
Linux-rockchip@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-rockchip
next prev parent reply other threads:[~2026-01-13 10:14 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-13 2:37 [PATCH v6 0/5] PCI: endpoint: BAR subrange mapping support Koichiro Den
2026-01-13 2:37 ` Koichiro Den
2026-01-13 2:37 ` [PATCH v6 1/5] PCI: endpoint: Add " Koichiro Den
2026-01-13 2:37 ` Koichiro Den
2026-01-13 10:13 ` Niklas Cassel
2026-01-13 10:13 ` Niklas Cassel
2026-01-13 16:07 ` Koichiro Den
2026-01-13 16:07 ` Koichiro Den
2026-01-13 2:37 ` [PATCH v6 2/5] PCI: dwc: Allow glue drivers to return mutable EPC features Koichiro Den
2026-01-13 2:37 ` Koichiro Den
2026-01-13 10:14 ` Niklas Cassel [this message]
2026-01-13 10:14 ` Niklas Cassel
2026-01-13 2:37 ` [PATCH v6 3/5] PCI: endpoint: Add dynamic_inbound_mapping EPC feature Koichiro Den
2026-01-13 2:37 ` Koichiro Den
2026-01-13 10:12 ` Niklas Cassel
2026-01-13 10:12 ` Niklas Cassel
2026-01-13 2:37 ` [PATCH v6 4/5] PCI: dwc: ep: Support BAR subrange inbound mapping via Address Match Mode iATU Koichiro Den
2026-01-13 2:37 ` Koichiro Den
2026-01-13 10:15 ` Niklas Cassel
2026-01-13 10:15 ` Niklas Cassel
2026-01-13 10:27 ` Niklas Cassel
2026-01-13 10:27 ` Niklas Cassel
2026-01-13 2:37 ` [PATCH v6 5/5] Documentation: PCI: endpoint: Clarify pci_epc_set_bar() usage Koichiro Den
2026-01-13 2:37 ` Koichiro Den
2026-01-13 10:17 ` Niklas Cassel
2026-01-13 10:17 ` Niklas Cassel
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