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([103.46.201.248]) by smtp.gmail.com with ESMTPSA id r1-20020a62e401000000b006ce91d27c72sm5751054pfh.175.2023.12.10.22.54.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 10 Dec 2023 22:54:27 -0800 (PST) From: Ayush Singh To: greybus-dev@lists.linaro.org Cc: Ayush Singh , johan@kernel.org, elder@kernel.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, jkridner@beagleboard.org, nm@ti.com Subject: [PATCH V2 0/1] Make gb-beagleplay driver Greybus compliant Date: Mon, 11 Dec 2023 12:24:17 +0530 Message-ID: <20231211065420.213664-1-ayushdevel1325@gmail.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on fry.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (fry.vger.email [0.0.0.0]); Sun, 10 Dec 2023 22:54:37 -0800 (PST) In beagleplay beagleconnect setup, the AP is not directly connected to greybus nodes. The SVC and APBridge tasks are moved to cc1352 coprocessor. This means that there is a need to send cport information between linux host and cc1352. In the initial version of the driver (and the reference implementation gbridge I was using), the greybus header pad bytes were being used. However, this was a violation of greybus spec. The following patchset creates a wrapper around greybus message to send the cport information without using the pad bytes. --- V2: - Add more comments explaining the new greybus hdlc frame payload - Remove msg len warnings. These checks are also performed by `greybus_data_rcvd` and thus no need for it here. V1: https://lists.linaro.org/archives/list/greybus-dev@lists.linaro.org/thread/Y3ELHKLKTP5TQZ5LYKCE6GHWMA3PUOTV/ Ayush Singh (1): greybus: gb-beagleplay: Remove use of pad bytes drivers/greybus/gb-beagleplay.c | 55 ++++++++++++++++++++++++--------- 1 file changed, 41 insertions(+), 14 deletions(-) -- 2.43.0