From: Neal Liu <neal.liu@mediatek.com>
To: Rob Herring <robh+dt@kernel.org>,
Chun-Kuang Hu <chunkuang.hu@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>
Cc: Neal Liu <neal.liu@mediatek.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-mediatek@lists.infradead.org"
<linux-mediatek@lists.infradead.org>,
lkml <linux-kernel@vger.kernel.org>,
wsd_upstream <wsd_upstream@mediatek.com>
Subject: Re: [PATCH v7] Add MediaTek MT6779 devapc driver
Date: Wed, 2 Sep 2020 14:40:13 +0800 [thread overview]
Message-ID: <1599028813.32069.1.camel@mtkswgap22> (raw)
In-Reply-To: <1598497593-15781-1-git-send-email-neal.liu@mediatek.com>
Hi Rob, Matthias, Chun-Kuang,
Gentle ping for this patch set.
Thanks
-Neal
On Thu, 2020-08-27 at 11:06 +0800, Neal Liu wrote:
> These patch series introduce a MediaTek MT6779 devapc driver.
>
> MediaTek bus fabric provides TrustZone security support and data protection to prevent slaves from being accessed by unexpected masters.
> The security violation is logged and sent to the processor for further analysis or countermeasures.
>
> Any occurrence of security violation would raise an interrupt, and it will be handled by mtk-devapc driver.
> The violation information is printed in order to find the murderer.
>
> changes since v6:
> - remove unnecessary mask/unmask module irq during ISR.
>
> changes since v5:
> - remove redundant write reg operation.
> - use static variable of vio_dbgs instead.
> - add stop_devapc() if driver is removed.
>
> changes since v4:
> - refactor data structure.
> - merge two simple functions into one.
> - refactor register setting to prevent too many function call overhead.
>
> changes since v3:
> - revise violation handling flow to make it more easily to understand
> hardware behavior.
> - add more comments to understand how hardware works.
>
> changes since v2:
> - pass platform info through DT data.
> - remove unnecessary function.
> - remove slave_type because it always equals to 1 in current support SoC.
> - use vio_idx_num instread of list all devices' index.
> - add more comments to describe hardware behavior.
>
> changes since v1:
> - move SoC specific part to DT data.
> - remove unnecessary boundary check.
> - remove unnecessary data type declaration.
> - use read_poll_timeout() instread of for loop polling.
> - revise coding style elegantly.
>
>
> *** BLURB HERE ***
>
> Neal Liu (2):
> dt-bindings: devapc: add bindings for mtk-devapc
> soc: mediatek: add mt6779 devapc driver
>
> .../bindings/soc/mediatek/devapc.yaml | 58 ++++
> drivers/soc/mediatek/Kconfig | 9 +
> drivers/soc/mediatek/Makefile | 1 +
> drivers/soc/mediatek/mtk-devapc.c | 305 ++++++++++++++++++
> 4 files changed, 373 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/soc/mediatek/devapc.yaml
> create mode 100644 drivers/soc/mediatek/mtk-devapc.c
>
next prev parent reply other threads:[~2020-09-02 6:40 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-27 3:06 [PATCH v7] Add MediaTek MT6779 devapc driver Neal Liu
2020-08-27 3:06 ` [PATCH v7 1/2] dt-bindings: devapc: add bindings for mtk-devapc Neal Liu
2020-08-27 3:06 ` [PATCH v7 2/2] soc: mediatek: add mt6779 devapc driver Neal Liu
2020-10-02 16:24 ` Chun-Kuang Hu
2020-10-05 7:20 ` Neal Liu
2020-10-07 10:44 ` Matthias Brugger
2020-10-08 2:35 ` Neal Liu
2020-10-08 8:45 ` Matthias Brugger
2020-10-08 9:39 ` Neal Liu
2020-10-09 12:34 ` Matthias Brugger
2020-10-12 3:24 ` Neal Liu
2020-10-15 2:13 ` Neal Liu
2020-10-15 9:13 ` Matthias Brugger
2020-09-02 6:40 ` Neal Liu [this message]
2020-09-09 8:37 ` [PATCH v7] Add MediaTek MT6779 " Neal Liu
2020-09-16 8:58 ` Neal Liu
2020-09-22 7:13 ` Neal Liu
2020-09-30 7:10 ` Neal Liu
2020-10-02 16:17 ` Chun-Kuang Hu
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