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Tue, 14 Feb 2023 15:58:20 -0800 (PST) Received: from [10.225.163.116] (unknown [10.225.163.116]) by usg-ed-osssrv.wdc.com (Postfix) with ESMTPSA id 4PGdSn36S3z1RvLy; Tue, 14 Feb 2023 15:58:17 -0800 (PST) Message-ID: Date: Wed, 15 Feb 2023 08:58:16 +0900 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.7.1 Subject: Re: [PATCH v2 3/9] PCI: rockchip: Assert PCI Configuration Enable bit after probe Content-Language: en-US To: Rick Wertenbroek , alberto.dassatti@heig-vd.ch Cc: xxm@rock-chips.com, rick.wertenbroek@heig-vd.ch, stable@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Heiko Stuebner , Shawn Lin , Lorenzo Pieralisi , =?UTF-8?Q?Krzysztof_Wilczy=c5=84ski?= , Bjorn Helgaas , Jani Nikula , Mikko Kovanen , Greg Kroah-Hartman , Rodrigo Vivi , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org References: <20230214140858.1133292-1-rick.wertenbroek@gmail.com> <20230214140858.1133292-4-rick.wertenbroek@gmail.com> From: Damien Le Moal Organization: Western Digital Research In-Reply-To: <20230214140858.1133292-4-rick.wertenbroek@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230214_155822_323487_1CADF8A9 X-CRM114-Status: GOOD ( 14.54 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2/14/23 23:08, Rick Wertenbroek wrote: > Assert PCI Configuration Enable bit after probe. When this bit is left to > 0 in the endpoint mode, the RK3399 PCIe endpoint core will generate > configuration request retry status (CRS) messages back to the root complex. > Assert this bit after probe to allow the RK3399 PCIe endpoint core to reply > to configuration requests from the root complex. > This is documented in section 17.5.8.1.2 of the RK3399 TRM. > > Fixes: cf590b078391 ("PCI: rockchip: Add EP driver for Rockchip PCIe controller") > Cc: stable@vger.kernel.org > Signed-off-by: Rick Wertenbroek Reviewed-by: Damien Le Moal Tested-by: Damien Le Moal -- Damien Le Moal Western Digital Research _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel