From: Niklas Cassel <cassel@kernel.org>
To: Koichiro Den <den@valinux.co.jp>
Cc: jingoohan1@gmail.com, mani@kernel.org, lpieralisi@kernel.org,
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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>
next prev parent reply other threads:[~2026-01-13 10:14 UTC|newest]
Thread overview: 13+ 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 ` [PATCH v6 1/5] PCI: endpoint: Add " Koichiro Den
2026-01-13 10:13 ` Niklas Cassel
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 10:14 ` Niklas Cassel [this message]
2026-01-13 2:37 ` [PATCH v6 3/5] PCI: endpoint: Add dynamic_inbound_mapping EPC feature Koichiro Den
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 10:15 ` 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 10:17 ` Niklas Cassel
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