linux-kernel - Re: [PATCH v1 RESEND 0/3] Add support to configure TPDM MCMB subunit

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Message-ID: <ac95359a-9717-46e2-b3b3-3b040de83a1e@quicinc.com>
Date: Wed, 23 Oct 2024 15:52:33 +0800
From: Jinlong Mao <quic_jinlmao@...cinc.com>
To: Suzuki K Poulose <suzuki.poulose@....com>,
        Mike Leach
	<mike.leach@...aro.org>,
        James Clark <james.clark@...aro.org>,
        "Alexander
 Shishkin" <alexander.shishkin@...ux.intel.com>
CC: <coresight@...ts.linaro.org>, <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        Trilok Soni
	<quic_tsoni@...cinc.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH v1 RESEND 0/3] Add support to configure TPDM MCMB subunit



On 2024/10/11 14:47, Mao Jinlong wrote:
> Introduction of TPDM MCMB(Multi-lane Continuous Multi Bit) subunit
> MCMB (Multi-lane CMB) is a special form of CMB dataset type. MCMB
> subunit has the same number and usage of registers as CMB subunit.
> Just like the CMB subunit, the MCMB subunit must be configured prior
> to enablement. This series adds support for TPDM to configure the
> MCMB subunit.
> 
> Once this series patches are applied properly, the new tpdm nodes for
> should be observed at the tpdm path /sys/bus/coresight/devices/tpdm*
> which supports MCMB subunit. All sysfs files of CMB subunit TPDM are
> included in MCMB subunit TPDM. On this basis, MCMB subunit TPDM will
> have new sysfs files to select and enable the lane.
> 
> Mao Jinlong (1):
>    coresight-tpdm: Add MCMB dataset support
> 
> Tao Zhang (2):
>    coresight-tpdm: Add support to select lane
>    coresight-tpdm: Add support to enable the lane for MCMB TPDM
> 
>   .../testing/sysfs-bus-coresight-devices-tpdm  |  15 +++
>   drivers/hwtracing/coresight/coresight-tpda.c  |   5 +-
>   drivers/hwtracing/coresight/coresight-tpdm.c  | 121 +++++++++++++++++-
>   drivers/hwtracing/coresight/coresight-tpdm.h  |  32 ++++-
>   4 files changed, 164 insertions(+), 9 deletions(-)

Just a friendly reminder to review this series. This is the final piece 
of the main function for TPDM, which was initially sent in June.

>