From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 43536284662; Tue, 13 Jan 2026 18:44:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768329879; cv=none; b=tTVFDpr0LLT7CQSnBAbZ1/u1Is0YMg23xPNSmRJQW0/sEa5bBqFwAEGsR6t1fUFQFDuuElm0qCgIQKEysLbCugxHwfknRc1vHjdItqhcoKQKe1bj+rds52Ur1xzsyzOggr+sfrcm282cYet+Q9o1M+n3mC0Vzop5dKhWJBe3ijQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768329879; c=relaxed/simple; bh=guH+X5X5Zw5RK4+z7WReUiSq/PEpKm6VSIBaw1TF1Wk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=jKStZ9Rgl8Xk5i/Aci5R+FMjAZpxcs5b5utDwtL4vVMoqtg5hi0pN/gZ+T4IOXlReBYOHWZzTOdA+AXeZh/+ByqxMceQsHuxCEa2By+s5wAtWRQVHp0eN5MWeid+66yVArW/TXrvMm12Bb/BFQ636r+2M2b4OOlalvg/4Sr9nnM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mJ/epLMx; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="mJ/epLMx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AC54FC116C6; Tue, 13 Jan 2026 18:44:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768329878; bh=guH+X5X5Zw5RK4+z7WReUiSq/PEpKm6VSIBaw1TF1Wk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=mJ/epLMx61KYA6qPjpRXqerwQQ3NcjyRncy5NLUppRcvNbs2ALyBM6FjEhD9uCvW2 eg+DxvUNeugL74YCHEYOOv4VS+A/BfA6G/dMZqmg4UIxaOswYQMpqwbpy7mH2VJssd pryhg1yTNddK0bWY9Uq9gE7ggwr1D0Kf4ak8pCyjAuuQxjtChOyO00kugpRuZ29n40 WzTS8Cd0E4qQJrBcO9qMgrhYRyavxl9eWt+/iAY5yX2qEdebOKThI+hfkrhzfqh5HQ VQ0q4gLY53Z/GZ66GOvRjkXfxIKgJEY7/T6uorHk2QfWRmmEUeUhwAT/SFYMOSF+KF 80DfzL+JVf/oA== Date: Tue, 13 Jan 2026 19:44:25 +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 v7 4/6] PCI: dwc: Advertise dynamic inbound mapping support Message-ID: References: <20260113162719.3710268-1-den@valinux.co.jp> <20260113162719.3710268-5-den@valinux.co.jp> Precedence: bulk X-Mailing-List: linux-omap@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline 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 > Signed-off-by: Koichiro Den > --- Reviewed-by: Niklas Cassel