linux-kernel - [PATCH v1 0/6] Minor bug fixes and clean-up for MHI host driver

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Message-Id: <1604622869-40212-1-git-send-email-bbhatt@codeaurora.org>
Date:   Thu,  5 Nov 2020 16:34:23 -0800
From:   Bhaumik Bhatt <bbhatt@...eaurora.org>
To:     manivannan.sadhasivam@...aro.org
Cc:     linux-arm-msm@...r.kernel.org, hemantk@...eaurora.org,
        jhugo@...eaurora.org, linux-kernel@...r.kernel.org,
        Bhaumik Bhatt <bbhatt@...eaurora.org>
Subject: [PATCH v1 0/6] Minor bug fixes and clean-up for MHI host driver

This patch series serves to clean up the MHI host driver by removing an
unnecessary counter and an unused function. It also renames a function to make
it clearly worded. There is currently no user of this exported function which
makes it is safe to do so now.

Bug fixes include adding a missing EXPORT_SYMBOL_GPL to a function, and adding
a return value check to bail out of RDDM download in kernel panic path.

An outlier among the group exports the mhi_get_exec_env() API for use by
controller drivers, in case they need to determine behavior on the basis of the
current execution environment.

This set of patches was tested on arm64.

Bhaumik Bhatt (6):
  bus: mhi: core: Remove unnecessary counter from mhi_firmware_copy()
  bus: mhi: core: Add missing EXPORT_SYMBOL for mhi_get_mhi_state()
  bus: mhi: core: Expose mhi_get_exec_env() API for controllers
  bus: mhi: core: Remove unused mhi_fw_load_worker() declaration
  bus: mhi: core: Rename RDDM download function to use proper words
  bus: mhi: core: Skip RDDM download for unknown execution environment

 drivers/bus/mhi/core/boot.c     | 13 ++++++++-----
 drivers/bus/mhi/core/internal.h |  1 -
 drivers/bus/mhi/core/main.c     |  2 ++
 include/linux/mhi.h             | 12 +++++++++---
 4 files changed, 19 insertions(+), 9 deletions(-)

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