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,
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linux-tegra@vger•kernel.org
Subject: Re: [PATCH v7 4/6] PCI: dwc: Advertise dynamic inbound mapping support
Date: Tue, 13 Jan 2026 19:44:25 +0100 [thread overview]
Message-ID: <aWaSggUJpnxjAPA_@ryzen> (raw)
In-Reply-To: <20260113162719.3710268-5-den@valinux.co.jp>
On Wed, Jan 14, 2026 at 01:27:17AM +0900, Koichiro Den wrote:
> The DesignWare EP core has supported updating the inbound iATU mapping
> for an already configured BAR (i.e. allowing pci_epc_set_bar() to be
> called again without a prior pci_epc_clear_bar()) since
> commit 4284c88fff0e ("PCI: designware-ep: Allow pci_epc_set_bar() update
> inbound map address").
>
> Now that the EPC layer exposes this capability via the
> dynamic_inbound_mapping feature bit, set the bit centrally in the
> DesignWare EP layer so that all DWC-based EP glue drivers report it
> consistently, without duplicating the same flag in each individual
> driver.
>
> No functional change intended. This only advertises existing behavior to
> EPF drivers.
>
> 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 18:45 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-13 16:27 [PATCH v7 0/6] PCI: endpoint: BAR subrange mapping support Koichiro Den
2026-01-13 16:27 ` [PATCH v7 1/6] PCI: endpoint: Add dynamic_inbound_mapping EPC feature Koichiro Den
2026-01-13 20:19 ` Frank Li
2026-01-13 16:27 ` [PATCH v7 2/6] PCI: endpoint: Add BAR subrange mapping support Koichiro Den
2026-01-13 20:26 ` Frank Li
2026-01-14 3:22 ` Koichiro Den
2026-01-13 16:27 ` [PATCH v7 3/6] PCI: dwc: Allow glue drivers to return mutable EPC features Koichiro Den
2026-01-13 20:38 ` Frank Li
2026-01-14 3:29 ` Koichiro Den
2026-01-14 15:20 ` Frank Li
2026-01-14 17:17 ` Koichiro Den
2026-01-14 19:44 ` Frank Li
2026-01-14 20:13 ` Niklas Cassel
2026-01-13 16:27 ` [PATCH v7 4/6] PCI: dwc: Advertise dynamic inbound mapping support Koichiro Den
2026-01-13 18:44 ` Niklas Cassel [this message]
2026-01-13 16:27 ` [PATCH v7 5/6] PCI: dwc: ep: Support BAR subrange inbound mapping via Address Match Mode iATU Koichiro Den
2026-01-13 20:53 ` Frank Li
2026-01-15 8:48 ` Koichiro Den
2026-01-14 3:54 ` Koichiro Den
2026-01-14 10:39 ` Niklas Cassel
2026-01-14 17:29 ` Koichiro Den
2026-01-13 16:27 ` [PATCH v7 6/6] Documentation: PCI: endpoint: Clarify pci_epc_set_bar() usage Koichiro Den
2026-01-13 20:56 ` Frank Li
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