linux-kernel - [PATCH v6 0/5] Refactor to support multiple download mode

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Message-ID: <1680076012-10785-1-git-send-email-quic_mojha@quicinc.com>
Date:   Wed, 29 Mar 2023 13:16:47 +0530
From:   Mukesh Ojha <quic_mojha@...cinc.com>
To:     <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <linus.walleij@...aro.org>
CC:     <linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-gpio@...r.kernel.org>, Mukesh Ojha <quic_mojha@...cinc.com>
Subject: [PATCH v6 0/5] Refactor to support multiple download mode

Intention of this series to support multiple download mode and
only modify the required bits during setting tcsr register.

Other download modes are minidump, full dump, both fulldump + minidump, nodump.

Latest minidump kernel driver patches has been sent here
https://lore.kernel.org/lkml/1679491817-2498-1-git-send-email-quic_mojha@quicinc.com/

Also, this series should be applied on
https://lore.kernel.org/lkml/1678979666-551-1-git-send-email-quic_mojha@quicinc.com/

Changes in v6:
  - Applied suggested API change(at v4) by [dmitry.baryshkov] 

Changes in v5: https://lore.kernel.org/lkml/1680017869-22421-1-git-send-email-quic_mojha@quicinc.com/
  - Tried to fix the issue reported by kernel test robot
    https://lore.kernel.org/lkml/202303280535.acb66sQT-lkp@intel.com/

  - Applied some of the improvement suggested by [Bjorn.andersson]
 
    . Dropped 'both' instead support full,mini or mini,full for setting download
    mode to collect both minidump and full dump.
    
    . logging improvement.
    

Changes in v4: https://lore.kernel.org/lkml/1679935281-18445-1-git-send-email-quic_mojha@quicinc.com/
  - val should be shifted within the function [srinivas.kandagatla]
    i.e new = (old & ~mask) | (val << ffs(mask) - 1);
  - Added Acked-by [linus.walleij] on pinctrl change.

Changes in v3 : https://lore.kernel.org/lkml/1679070482-8391-1-git-send-email-quic_mojha@quicinc.com/
 - Removed [1] from the series and sent as a separate patch[2], although this series
   should be applied on top [2].
  [1] https://lore.kernel.org/lkml/1677664555-30191-2-git-send-email-quic_mojha@quicinc.com/
  [2] https://lore.kernel.org/lkml/1678979666-551-1-git-send-email-quic_mojha@quicinc.com/
 - Introduce new exported symbol on suggestion from [srinivas.kandagatla]
 - Use the symbol from drivers/pinctrl/qcom/pinctrl-msm.c.
 - Addressed comment given by [dmitry.baryshkov]
 - Converted non-standard Originally-by to Signed-off-by.

Changes in v2: https://lore.kernel.org/lkml/1677664555-30191-1-git-send-email-quic_mojha@quicinc.com/
 - Addressed comment made by [bjorn]
 - Added download mask.
 - Passed download mode as parameter
 - Accept human accepatable download mode string.
 - enable = !!dload_mode
 - Shifted module param callback to somewhere down in
   the file so that it no longer need to know the
   prototype of qcom_scm_set_download_mode()
 - updated commit text.

Mukesh Ojha (5):
  firmware: qcom_scm: provide a read-modify-write function
  pinctrl: qcom: Use qcom_scm_io_update_field()
  firmware: scm: Modify only the download bits in TCSR register
  firmware: qcom_scm: Refactor code to support multiple download mode
  firmware: qcom_scm: Add multiple download mode support

 drivers/firmware/Kconfig               | 11 -----
 drivers/firmware/qcom_scm.c            | 88 ++++++++++++++++++++++++++++++----
 drivers/pinctrl/qcom/pinctrl-msm.c     | 11 ++---
 include/linux/firmware/qcom/qcom_scm.h |  2 +
 4 files changed, 86 insertions(+), 26 deletions(-)

-- 
2.7.4