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Tue, 13 Jan 2026 10:12:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768299189; bh=B60Fgt62EI+KMFzznTOtUxbSOZ4bl9cL8ytB20WIh18=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=TR1n3nxeNYKPBju7jSmTmUvHf2B07hvvjuClTqXpglYDTqUIy3Qc+ayTSIQ67kdIW M0dogUadKwpI8h4jvgScUNLHuPpfbDt72RggjaLhTMNJ7ilAdcNOaFZ7DP4BB8L3iQ pxtiM+2rAxz/7nXY1Gfa4Lf/sua6WJYBRwQl3QgHhT9y7zjGrl8I21BrlhCOtmeZ7M j/QK2RGJUmXm/TWFHY1viLqWV/1cRQnveztEjn7wZpPxhcp3HkUUE5GqdpNOtWv+Z3 JSgAtsbANLy8Foi9gAgpkGw7D1b7Q4uu7lOrRkXsdRH4iHGFcjMTZa2D+8nBwldlOa l9AGfTdUR8RjQ== Date: Tue, 13 Jan 2026 11:12:57 +0100 From: Niklas Cassel To: Koichiro Den 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 3/5] PCI: endpoint: Add dynamic_inbound_mapping EPC feature Message-ID: References: <20260113023715.3463724-1-den@valinux.co.jp> <20260113023715.3463724-4-den@valinux.co.jp> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260113023715.3463724-4-den@valinux.co.jp> On Tue, Jan 13, 2026 at 11:37:13AM +0900, Koichiro Den wrote: > Introduce a new EPC feature bit (dynamic_inbound_mapping) that indicates > whether an Endpoint Controller can update the inbound address > translation for a BAR without requiring the EPF driver to clear/reset > the BAR first. > > Endpoint Function drivers (e.g. vNTB) can use this information to decide > whether it really is safe to call pci_epc_set_bar() multiple times to > update inbound mappings for the BAR. > > Signed-off-by: Koichiro Den > --- Since your new feature depends on this feature, this patch should be first in the series. With that fixed: Reviewed-by: Niklas Cassel