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

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Message-ID: <4b54b75c-f604-5323-942e-4701e31f47d6@quicinc.com>
Date:   Mon, 10 Apr 2023 20:04:44 +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>
Subject: Re: [PATCH v6 0/5] Refactor to support multiple download mode

Bjorn and others,

Any further comments on this series ?

-- Mukesh

On 3/29/2023 1:16 PM, Mukesh Ojha wrote:
> 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(-)
>