linux-kernel - [PATCH v6 0/2] Polling for MHI ready

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Message-Id: <1617215665-19593-1-git-send-email-bbhatt@codeaurora.org>
Date:   Wed, 31 Mar 2021 11:34:23 -0700
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,
        carl.yin@...ctel.com, naveen.kumar@...ctel.com,
        loic.poulain@...aro.org, Bhaumik Bhatt <bbhatt@...eaurora.org>
Subject: [PATCH v6 0/2] Polling for MHI ready

v6:
-Fix return error code for mhi_poll_reg_field()
-Do not recode when returning from mhi_ready_state_transition() if polling fails

v5:
-Use fsleep in place of udelay or usleep_range to accommodate better delay use
-Drop patch for polling during RDDM panic path as new API cannot be used there

v4:
-Added reviewed-by tag
-Return appropriate error code from mhi_poll_reg_field()
-Fixed bug where mhi_poll_reg_field() returns success if polling times out
-Added an interval_us variable in mhi_ready_state_transition()

v3:
-Removed config changes that crept in in the first patch

v2:
-Addressed review comments
-Introduce new patch for to use controller defined read_reg() for polling
-Add usage in RDDM download panic path as well

Bhaumik Bhatt (2):
  bus: mhi: core: Introduce internal register poll helper function
  bus: mhi: core: Move to polling method to wait for MHI ready

 drivers/bus/mhi/core/internal.h |  3 +++
 drivers/bus/mhi/core/main.c     | 23 +++++++++++++++++++++++
 drivers/bus/mhi/core/pm.c       | 34 ++++++++++++++++------------------
 3 files changed, 42 insertions(+), 18 deletions(-)

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