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Miller" , Jakub Kicinski Cc: Loic Poulain , Bjorn Andersson , Aleksander Morgado , Sergey Ryazanov , Johannes Berg , M Chetan Kumar , Ohad Ben-Cohen , Mathieu Poirier , netdev@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-arm-msm@vger.kernel.org, phone-devel@vger.kernel.org, linux-kernel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, Stephan Gerhold Subject: [PATCH net-next 0/3] net: wwan: Add RPMSG WWAN CTRL driver Date: Tue, 15 Jun 2021 15:32:26 +0200 Message-Id: <20210615133229.213064-1-stephan@gerhold.net> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org This patch series adds a WWAN "control" driver for the remote processor messaging (rpmsg) subsystem. This subsystem allows communicating with an integrated modem DSP on many Qualcomm SoCs, e.g. MSM8916 or MSM8974. The driver is a fairly simple glue layer between WWAN and RPMSG and is mostly based on the existing mhi_wwan_ctrl.c and rpmsg_char.c. For more information, see commit message in PATCH 2/3. I already posted a RFC for this a while ago: https://lore.kernel.org/linux-arm-msm/YLfL9Q+4860uqS8f@gerhold.net/ and now I'm looking for some feedback for the actual changes. :) Especially patch 3/3 is still up for discussion, perhaps there is a cleaner way to implement the blocking/non-blocking writes for rpmsg_wwan_ctrl? Stephan Gerhold (3): rpmsg: core: Add driver_data for rpmsg_device_id net: wwan: Add RPMSG WWAN CTRL driver net: wwan: Allow WWAN drivers to provide blocking tx and poll function MAINTAINERS | 7 ++ drivers/net/wwan/Kconfig | 18 +++ drivers/net/wwan/Makefile | 1 + drivers/net/wwan/iosm/iosm_ipc_port.c | 3 +- drivers/net/wwan/mhi_wwan_ctrl.c | 3 +- drivers/net/wwan/rpmsg_wwan_ctrl.c | 156 ++++++++++++++++++++++++++ drivers/net/wwan/wwan_core.c | 9 +- drivers/net/wwan/wwan_hwsim.c | 3 +- drivers/rpmsg/rpmsg_core.c | 4 +- include/linux/mod_devicetable.h | 1 + include/linux/wwan.h | 13 ++- 11 files changed, 207 insertions(+), 11 deletions(-) create mode 100644 drivers/net/wwan/rpmsg_wwan_ctrl.c -- 2.32.0