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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Subject: Re: [PATCH v9 3/5] PCI: dwc: Advertise dynamic inbound mapping support
Date: Thu, 22 Jan 2026 10:00:11 +0100 [thread overview]
Message-ID: <aXHnFskw9InGNuuR@ryzen> (raw)
In-Reply-To: <20260122084909.2390865-4-den@valinux.co.jp>
On Thu, Jan 22, 2026 at 05:49:07PM +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 this capability is exposed via the dynamic_inbound_mapping EPC
> feature bit, set it for DWC-based EP glue drivers using a common
> initializer macro to avoid duplicating the same flag in each driver.
>
> Note that pci-layerscape-ep.c is untouched. It currently constructs the
> feature struct dynamically in ls_pcie_ep_init(). Once converted to a
> static feature definition, it will use DWC_EPC_COMMON_FEATURES as well.
>
> Reviewed-by: Frank Li <Frank.Li@nxp•com>
> Signed-off-by: Koichiro Den <den@valinux•co.jp>
> ---
Reviewed-by: Niklas Cassel <cassel@kernel•org>
next prev parent reply other threads:[~2026-01-22 9:00 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-22 8:49 [PATCH v9 0/5] PCI: endpoint: BAR subrange mapping support Koichiro Den
2026-01-22 8:49 ` [PATCH v9 1/5] PCI: endpoint: Add dynamic_inbound_mapping EPC feature Koichiro Den
2026-01-22 8:49 ` [PATCH v9 2/5] PCI: endpoint: Add BAR subrange mapping support Koichiro Den
2026-01-22 9:03 ` Niklas Cassel
2026-01-22 8:49 ` [PATCH v9 3/5] PCI: dwc: Advertise dynamic inbound " Koichiro Den
2026-01-22 9:00 ` Niklas Cassel [this message]
2026-01-22 8:49 ` [PATCH v9 4/5] PCI: dwc: ep: Support BAR subrange inbound mapping via Address Match Mode iATU Koichiro Den
2026-01-22 9:23 ` Niklas Cassel
2026-01-22 14:29 ` Koichiro Den
2026-01-22 16:59 ` Niklas Cassel
2026-01-23 1:16 ` Koichiro Den
2026-01-23 8:51 ` Niklas Cassel
2026-01-23 14:28 ` Koichiro Den
2026-01-24 14:22 ` Koichiro Den
2026-01-22 8:49 ` [PATCH v9 5/5] Documentation: PCI: endpoint: Clarify pci_epc_set_bar() usage Koichiro Den
2026-01-22 9:07 ` Niklas Cassel
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