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Tue, 29 Sep 2020 23:17:23 -0800 Received: from MTKMBS02N2.mediatek.inc (172.21.101.101) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 30 Sep 2020 00:10:09 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs02n2.mediatek.inc (172.21.101.101) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 30 Sep 2020 15:10:08 +0800 Received: from [172.21.77.33] (172.21.77.33) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 30 Sep 2020 15:10:09 +0800 Message-ID: <1601449808.7564.2.camel@mtkswgap22> Subject: Re: [PATCH v7] Add MediaTek MT6779 devapc driver From: Neal Liu To: Matthias Brugger Date: Wed, 30 Sep 2020 15:10:08 +0800 In-Reply-To: <1600758789.19001.4.camel@mtkswgap22> References: <1598497593-15781-1-git-send-email-neal.liu@mediatek.com> <1599028813.32069.1.camel@mtkswgap22> <1599640627.6370.3.camel@mtkswgap22> <1600246737.14155.3.camel@mtkswgap22> <1600758789.19001.4.camel@mtkswgap22> X-Mailer: Evolution 3.2.3-0ubuntu6 MIME-Version: 1.0 X-TM-SNTS-SMTP: E6C5B16061FD81EDFCF10D81456BBBA9DCB241534B9CF99787AEE3C8644984D12000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200930_032351_758390_CDDE3A26 X-CRM114-Status: GOOD ( 27.25 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Chun-Kuang Hu , wsd_upstream , "devicetree@vger.kernel.org" , lkml , Rob Herring , "linux-mediatek@lists.infradead.org" , Neal Liu , "linux-arm-kernel@lists.infradead.org" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Matt, Hope this mail could find you well. Is everything okay? It would be glad if you could reply me no matter the review status. Thanks -Neal On Tue, 2020-09-22 at 15:13 +0800, Neal Liu wrote: > Hi Matthias, > > We need this driver supported on main-line. > Could you save your time for us to review it? > Thanks > > -Neal > > On Wed, 2020-09-16 at 16:58 +0800, Neal Liu wrote: > > Hi Rob, Matthias, Chun-Kuang, > > > > Sorry for pushing you so hard. > > May I know is this patch set is comfortable to apply on latest kernel? > > Thanks > > > > -Neal > > > > On Wed, 2020-09-09 at 16:37 +0800, Neal Liu wrote: > > > Hi Rob, Matthias, Chun-Kuang, > > > > > > Please kindly let me know your comments about this patch set. > > > Thanks > > > > > > -Neal > > > > > > On Wed, 2020-09-02 at 14:40 +0800, Neal Liu wrote: > > > > 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 > > > > > > > > > > > > > > > > > > > > > > > > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel