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bh=u7s2zD+ufnu+hSSQ37cUfttPzkItvf1fkn4axYyChhg=; b=gnXJqtxGokv87Uhwtq92Zpy7pf35EC6WWb4Xh24xgtrM6c+MQcPYWVJfU87dRBHvJuPFXi CNKT6hrg1YiA2/nKGV3VWzPPbVX+2/aZzw9DdSHX52vbL+GUh+2qJxjH/iF9wWdj4VX1Uv LOHJE7rS344wILbf0UMt+o8nRsnHeJZw/2W0xuQSIJif/5uzxEqevnY+R1WKoQPmuo/kyP YuPIzDGQPe5mmuGx0cICfoLbNpwbutTR4HR/3sG5oT7qvWYq/OoM2qyXrIMSTU4KWuJ+1O A7WTNS7R9616tOYdgxpQuRD0R2rOd3TYzLQ7/HEg4boqNrs9jpci0jQEf0OiXg== Message-ID: <9fb93f5f-51dc-47aa-aa8e-53cceaef876e@mailbox.org> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1781751235; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=u7s2zD+ufnu+hSSQ37cUfttPzkItvf1fkn4axYyChhg=; b=KQl+HXcW1qn+mTDayQd6nmoQpiQz7FCo8dJr9SWmAyrrm0LF8RzesrwZw32pF6Hif0e8eq pt1WszUJSTttOqxM11XC0gsh4mI7aJ2fBAtnrD6EC6vrpsiCfWlPyiW3LRLZH0DPcf91cY wQ49rCzAyCeQV16aXDSvD5AvdtbKnEGB2N/52a+tX2SyJ4gpN0GnvggciosRNmdphBzbnN lWC2V/kgBCd4HifSY7gY/L/oFZQmXtau0osytDHPsxX3Nr2sdbK6ygFa0ItqrMKDLf9Vbi h2kqTmCnMQHgaQDXrTBq/yq7CCulnZ6c03Ixno0h96AcSjR4YX+76ydguImldQ== Date: Thu, 18 Jun 2026 04:21:54 +0200 MIME-Version: 1.0 Subject: Re: [PATCH 1/3] PCI: rcar-gen4: Configure AXIINTC if iMSI-RX not used To: Geert Uytterhoeven , Marek Vasut Cc: linux-pci@vger.kernel.org, Yoshihiro Shimoda , =?UTF-8?Q?Krzysztof_Wilczy=C5=84ski?= , Bjorn Helgaas , Catalin Marinas , Conor Dooley , Geert Uytterhoeven , Krzysztof Kozlowski , Lorenzo Pieralisi , Manivannan Sadhasivam , Marc Zyngier , Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org References: <20260617030008.154449-1-marek.vasut+renesas@mailbox.org> Content-Language: en-US From: Marek Vasut In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-MBO-RS-ID: 11c23285409aedd437f X-MBO-RS-META: ono3swuaqbfmkf7fudm8y53ztzrp6bp5 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260617_195405_316679_ACC31EE1 X-CRM114-Status: GOOD ( 11.96 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 6/17/26 10:26 AM, Geert Uytterhoeven wrote: Hello Geert, >> +static void rcar_gen4_pcie_host_msi_init(struct dw_pcie_rp *pp) >> +{ >> + struct dw_pcie *dw = to_dw_pcie_from_pp(pp); >> + struct rcar_gen4_pcie *rcar = to_rcar_gen4_pcie(dw); >> + u32 val; >> + >> + /* Make sure MSICAP0 MSIE is configured. */ >> + val = dw_pcie_readl_dbi(dw, MSICAP0); >> + if (pci_msi_enabled()) >> + val |= MSICAP0_MSIE; >> + else >> + val &= ~MSICAP0_MSIE; >> + dw_pcie_writel_dbi(dw, MSICAP0, val); >> + >> + if (!pci_msi_enabled() || pp->use_imsi_rx) { >> + /* Clear AXIINTC mapping. */ >> + writel(0, rcar->base + AXIINTCADDR); >> + writel(0, rcar->base + AXIINTCCONT); >> + } else { >> + /* Point AXIINTC to GIC ITS and enable. */ >> + writel(AXIINTCADDR_VAL, rcar->base + AXIINTCADDR); >> + writel(INTC_EN | INTC_MASK, rcar->base + AXIINTCCONT); >> + } >> + >> + /* Configure MSI interrupt signal */ >> + val = readl(rcar->base + PCIEINTSTS0EN); >> + if (pci_msi_enabled()) >> + val |= MSI_CTRL_INT; >> + else >> + val &= ~MSI_CTRL_INT; >> + writel(val, rcar->base + PCIEINTSTS0EN); >> +} >> + >> static int rcar_gen4_pcie_enable_device(struct pci_host_bridge *bridge, > > FTR, this has a contextual dependency on "[PATCH v2] PCI: rcar-gen4: > Limit Max_Read_Request_Size and Max_Payload_Size to 256 Bytes" > (https://lore.kernel.org/all/20260519195219.189323-1-marek.vasut+renesas@mailbox.org). It is not an explicit dependency, I only had these patches in my tree and clearly that was an interaction. I'll rebase this dependency out for V2. Thanks! -- Best regards, Marek Vasut