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From: Stephan Gerhold <stephan@gerhold.net>
To: "David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>
Cc: Loic Poulain <loic.poulain@linaro.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Aleksander Morgado <aleksander@aleksander.es>,
	Sergey Ryazanov <ryazanov.s.a@gmail.com>,
	Johannes Berg <johannes.berg@intel.com>,
	M Chetan Kumar <m.chetan.kumar@intel.com>,
	Ohad Ben-Cohen <ohad@wizery.com>,
	Mathieu Poirier <mathieu.poirier@linaro.org>,
	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 <stephan@gerhold.net>
Subject: [PATCH net-next 0/3] net: wwan: Add RPMSG WWAN CTRL driver
Date: Tue, 15 Jun 2021 15:32:26 +0200	[thread overview]
Message-ID: <20210615133229.213064-1-stephan@gerhold.net> (raw)

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


             reply	other threads:[~2021-06-15 13:34 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-15 13:32 Stephan Gerhold [this message]
2021-06-15 13:32 ` [PATCH net-next 1/3] rpmsg: core: Add driver_data for rpmsg_device_id Stephan Gerhold
2021-06-15 13:32 ` [PATCH net-next 2/3] net: wwan: Add RPMSG WWAN CTRL driver Stephan Gerhold
2021-06-15 13:32 ` [PATCH net-next 3/3] net: wwan: Allow WWAN drivers to provide blocking tx and poll function Stephan Gerhold
2021-06-15 21:24   ` Loic Poulain
2021-06-15 22:06     ` Stephan Gerhold
2021-06-16  9:28       ` Loic Poulain
2021-06-16 17:13         ` Stephan Gerhold

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