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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 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>

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 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>

_______________________________________________
Linux-rockchip mailing list
Linux-rockchip@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-rockchip

  reply	other threads:[~2026-01-13 18:44 UTC|newest]

Thread overview: 46+ 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 ` Koichiro Den
2026-01-13 16:27 ` [PATCH v7 1/6] PCI: endpoint: Add dynamic_inbound_mapping EPC feature Koichiro Den
2026-01-13 16:27   ` Koichiro Den
2026-01-13 20:19   ` Frank Li
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 16:27   ` Koichiro Den
2026-01-13 20:26   ` Frank Li
2026-01-13 20:26     ` Frank Li
2026-01-14  3:22     ` Koichiro Den
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 16:27   ` Koichiro Den
2026-01-13 20:38   ` Frank Li
2026-01-13 20:38     ` Frank Li
2026-01-14  3:29     ` Koichiro Den
2026-01-14  3:29       ` Koichiro Den
2026-01-14 15:20       ` Frank Li
2026-01-14 15:20         ` Frank Li
2026-01-14 17:17         ` Koichiro Den
2026-01-14 17:17           ` Koichiro Den
2026-01-14 19:44           ` Frank Li
2026-01-14 19:44             ` Frank Li
2026-01-14 20:13             ` Niklas Cassel
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 16:27   ` Koichiro Den
2026-01-13 18:44   ` Niklas Cassel [this message]
2026-01-13 18:44     ` Niklas Cassel
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 16:27   ` Koichiro Den
2026-01-13 20:53   ` Frank Li
2026-01-13 20:53     ` Frank Li
2026-01-15  8:48     ` Koichiro Den
2026-01-15  8:48       ` Koichiro Den
2026-01-14  3:54   ` Koichiro Den
2026-01-14  3:54     ` Koichiro Den
2026-01-14 10:39     ` Niklas Cassel
2026-01-14 10:39       ` Niklas Cassel
2026-01-14 17:29       ` Koichiro Den
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 16:27   ` Koichiro Den
2026-01-13 20:56   ` Frank Li
2026-01-13 20:56     ` Frank Li

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