netdev - [PATCH V2 net-next 0/2] net: wwan: debugfs support for wwan device logging

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Message-Id: <20211119100720.1112978-1-m.chetan.kumar@linux.intel.com>
Date:   Fri, 19 Nov 2021 15:37:18 +0530
From:   M Chetan Kumar <m.chetan.kumar@...ux.intel.com>
To:     netdev@...r.kernel.org
Cc:     kuba@...nel.org, davem@...emloft.net, johannes@...solutions.net,
        ryazanov.s.a@...il.com, loic.poulain@...aro.org,
        krishna.c.sudi@...el.com, m.chetan.kumar@...el.com,
        linuxwwan@...el.com
Subject: [PATCH V2 net-next 0/2] net: wwan: debugfs support for wwan device logging

This patch series brings in
1) A common debugfs base directory i.e. /sys/kernel/debugfs/wwan/
in WWAN Subsystem for a WWAN device instance.

2) And support for Device trace collection in IOSM Diver using relayfs
interface.

Changes since v0:
PATCH1:
  * Changes in WWAN Subsystem to support common debugfs base directory.
PATCH2:
  * IOSM Driver adaption to get WWAN device dentry.
  * Removed unnecessary checks.

M Chetan Kumar (2):
  net: wwan: common debugfs base dir for wwan device
  net: wwan: iosm: device trace collection using relayfs

 drivers/net/wwan/iosm/Makefile            |   3 +-
 drivers/net/wwan/iosm/iosm_ipc_imem.c     |  13 ++
 drivers/net/wwan/iosm/iosm_ipc_imem.h     |   2 +
 drivers/net/wwan/iosm/iosm_ipc_imem_ops.c |  31 +++-
 drivers/net/wwan/iosm/iosm_ipc_imem_ops.h |   9 +-
 drivers/net/wwan/iosm/iosm_ipc_port.c     |   2 +-
 drivers/net/wwan/iosm/iosm_ipc_trace.c    | 174 ++++++++++++++++++++++
 drivers/net/wwan/iosm/iosm_ipc_trace.h    |  51 +++++++
 drivers/net/wwan/wwan_core.c              |  35 ++++-
 include/linux/wwan.h                      |   2 +
 10 files changed, 307 insertions(+), 15 deletions(-)
 create mode 100644 drivers/net/wwan/iosm/iosm_ipc_trace.c
 create mode 100644 drivers/net/wwan/iosm/iosm_ipc_trace.h

--
2.25.1