From: Sudeep Holla <sudeep.holla@arm.com>
To: "lihuisong (C)" <lihuisong@huawei.com>
Cc: andersson@kernel.org, matthias.bgg@gmail.com,
angelogioacchino.delregno@collabora.com, shawnguo@kernel.org,
arnd@arndb.de, krzk@kernel.org, linux-kernel@vger.kernel.org,
soc@kernel.org, wanghuiqiang@huawei.com, tanxiaofei@huawei.com,
liuyonglong@huawei.com
Subject: Re: [PATCH v2 1/2] soc: hisilicon: Support HCCS driver on Kunpeng SoC
Date: Tue, 23 May 2023 14:41:35 +0100 [thread overview]
Message-ID: <20230523134135.jkkhcwfihflp775m@bogus> (raw)
In-Reply-To: <928a893b-6596-8d40-ce0e-80059a363d11@huawei.com>
On Tue, May 23, 2023 at 07:57:42PM +0800, lihuisong (C) wrote:
>
> 在 2023/5/23 17:39, Sudeep Holla 写道:
> > On Mon, May 22, 2023 at 03:22:10PM +0800, Huisong Li wrote:
> > > The Huawei Cache-Coherent System (HCCS) is a bus protocol standard
> > > for ensuring cache coherent on HiSilicon SoC. The performance of
> > > the application may be affected if some hccs ports are in non-full
> > > lane status, have a large number of CRC errors and so on.
> > >
> > > This driver provides the query interface of the health status and
> > > port information of HCCS on Kunpeng SoC.
> > >
> > > Signed-off-by: Huisong Li <lihuisong@huawei.com>
> > > ---
> > > MAINTAINERS | 6 +
> > > drivers/soc/Kconfig | 1 +
> > > drivers/soc/Makefile | 1 +
> > > drivers/soc/hisilicon/Kconfig | 19 +
> > > drivers/soc/hisilicon/Makefile | 2 +
> > > drivers/soc/hisilicon/kunpeng_hccs.c | 1287 ++++++++++++++++++++++++++
> > > drivers/soc/hisilicon/kunpeng_hccs.h | 196 ++++
> > > 7 files changed, 1512 insertions(+)
> > > create mode 100644 drivers/soc/hisilicon/Kconfig
> > > create mode 100644 drivers/soc/hisilicon/Makefile
> > > create mode 100644 drivers/soc/hisilicon/kunpeng_hccs.c
> > > create mode 100644 drivers/soc/hisilicon/kunpeng_hccs.h
> > >
> > > diff --git a/MAINTAINERS b/MAINTAINERS
> > > index eddbc48c61e9..fe0e796e8445 100644
> > > --- a/MAINTAINERS
> > > +++ b/MAINTAINERS
> > > @@ -9399,6 +9399,12 @@ S: Maintained
> > > W: http://www.hisilicon.com
> > > F: drivers/spi/spi-hisi-sfc-v3xx.c
> > > +HISILICON KUNPENG SOC HCCS DRIVER
> > s/HCCS/HCCS INFO or QUERY/ ?
> From the current features, what you suggest is suitable.
> But this driver will support to the setting feature.
Ah OK, I wasn't aware of that, in that case it is fine to keep it as is
and add comment about future feature expansions so that the name makes
more sense them. I assumed it is more a query interface.
I also assume the settings with just control performance and is fully
safe and stability of the system is taken care.
[...]
> > > +
> > > +/* PCC defines */
> > > +#define HCCS_PCC_SIGNATURE_MASK 0x50434300
> > > +#define HCCS_PCC_STATUS_CMD_COMPLETE BIT(0)
> > I am not really sure if we keep duplicating this. I will try to cook up
> > a patch consolidating these.
> Yes, these info is better placed in a global header.
> Do I need to do this in this series?
> Or do not modify it, and then process all related code in your patch.
Fair enough, we can do that later. I don't want to block this for that reason.
--
Regards,
Sudeep
next prev parent reply other threads:[~2023-05-23 13:41 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-24 7:30 [PATCH] soc: hisilicon: Support HCCS driver on Kunpeng SoC Huisong Li
2023-04-24 8:09 ` Arnd Bergmann
2023-04-25 3:04 ` lihuisong (C)
2023-04-25 6:08 ` Arnd Bergmann
2023-04-25 9:42 ` lihuisong (C)
2023-04-25 10:30 ` Sudeep Holla
2023-04-25 13:00 ` lihuisong (C)
2023-04-25 13:19 ` Sudeep Holla
2023-04-26 12:12 ` lihuisong (C)
2023-05-04 13:16 ` lihuisong (C)
2023-05-15 3:37 ` lihuisong (C)
2023-05-15 13:08 ` Sudeep Holla
2023-05-16 7:35 ` lihuisong (C)
2023-05-16 12:29 ` Sudeep Holla
2023-05-16 14:13 ` lihuisong (C)
2023-05-16 14:35 ` Sudeep Holla
2023-05-17 7:16 ` lihuisong (C)
2023-05-17 9:30 ` Sudeep Holla
2023-05-17 11:35 ` lihuisong (C)
2023-05-17 13:16 ` Sudeep Holla
2023-05-18 8:24 ` lihuisong (C)
2023-05-18 8:38 ` Sudeep Holla
2023-05-18 12:29 ` lihuisong (C)
2023-04-24 8:42 ` Krzysztof Kozlowski
2023-04-25 3:16 ` lihuisong (C)
2023-04-25 11:24 ` Sudeep Holla
2023-05-22 7:22 ` [PATCH v2 0/2] " Huisong Li
2023-05-22 7:22 ` [PATCH v2 1/2] " Huisong Li
2023-05-23 9:39 ` Sudeep Holla
2023-05-23 11:57 ` lihuisong (C)
2023-05-23 13:41 ` Sudeep Holla [this message]
2023-05-24 9:36 ` lihuisong (C)
2023-05-25 2:41 ` lihuisong (C)
2023-05-25 7:35 ` Sudeep Holla
2023-05-25 8:12 ` lihuisong (C)
2023-05-30 2:53 ` lihuisong (C)
2023-05-30 8:43 ` Sudeep Holla
2023-05-30 10:57 ` lihuisong (C)
2023-05-22 7:22 ` [PATCH v2 2/2] doc: soc: hisilicon: Add Kunpeng HCCS driver documentation Huisong Li
2023-05-30 11:27 ` [PATCH v3 0/2] soc: hisilicon: Support HCCS driver on Kunpeng SoC Huisong Li
2023-05-30 11:27 ` [PATCH v3 1/2] " Huisong Li
2023-05-30 11:27 ` [PATCH v3 2/2] doc: soc: hisilicon: Add Kunpeng HCCS driver documentation Huisong Li
2023-06-19 6:32 ` [PATCH v3 0/2] soc: hisilicon: Support HCCS driver on Kunpeng SoC lihuisong (C)
2023-07-14 6:17 ` lihuisong (C)
2023-07-17 12:06 ` Krzysztof Kozlowski
2023-07-18 8:07 ` lihuisong (C)
2023-07-18 10:59 ` Krzysztof Kozlowski
2023-07-18 14:00 ` lihuisong (C)
2023-07-18 11:01 ` Wei Xu
2023-07-20 12:43 ` lihuisong (C)
2023-07-25 7:57 ` [PATCH RESEND " Huisong Li
2023-07-25 7:57 ` [PATCH RESEND v3 1/2] " Huisong Li
2023-07-25 8:55 ` Wei Xu
2023-07-26 9:54 ` lihuisong (C)
2023-07-27 3:51 ` lihuisong (C)
2023-07-25 15:28 ` Randy Dunlap
2023-07-26 9:48 ` lihuisong (C)
2023-07-25 7:57 ` [PATCH RESEND v3 2/2] doc: soc: hisilicon: Add Kunpeng HCCS driver documentation Huisong Li
2023-07-25 8:59 ` Wei Xu
2023-07-26 9:56 ` lihuisong (C)
2023-07-28 3:03 ` [PATCH v4 0/2] soc: hisilicon: Support HCCS driver on Kunpeng SoC Huisong Li
2023-07-28 3:03 ` [PATCH v4 1/2] " Huisong Li
2023-07-28 3:03 ` [PATCH v4 2/2] doc: soc: hisilicon: Add Kunpeng HCCS driver documentation Huisong Li
2023-07-29 8:26 ` [PATCH v5 0/2] soc: hisilicon: Support HCCS driver on Kunpeng SoC Huisong Li
2023-07-29 8:26 ` [PATCH v5 1/2] " Huisong Li
2023-07-29 22:43 ` Randy Dunlap
2023-08-01 1:30 ` lihuisong (C)
2023-07-29 8:26 ` [PATCH v5 2/2] doc: soc: hisilicon: Add Kunpeng HCCS driver documentation Huisong Li
2023-08-01 2:41 ` [PATCH v6 0/2] soc: hisilicon: Support HCCS driver on Kunpeng SoC Huisong Li
2023-08-01 2:41 ` [PATCH v6 1/2] " Huisong Li
2023-08-06 15:09 ` Zenghui Yu
2023-08-07 1:14 ` lihuisong (C)
2023-08-07 1:41 ` lihuisong (C)
2023-08-01 2:41 ` [PATCH v6 2/2] doc: soc: hisilicon: Add Kunpeng HCCS driver documentation Huisong Li
2023-08-08 2:36 ` [PATCH v7 0/3] soc: hisilicon: Support HCCS driver on Kunpeng SoC Huisong Li
2023-08-08 2:36 ` [PATCH v7 1/3] " Huisong Li
2023-08-08 2:36 ` [PATCH v7 2/3] soc: hisilicon: add sysfs entry to query information of HCCS Huisong Li
2023-08-08 2:36 ` [PATCH v7 3/3] doc: soc: hisilicon: Add Kunpeng HCCS driver documentation Huisong Li
2023-08-11 9:30 ` [PATCH v7 0/3] soc: hisilicon: Support HCCS driver on Kunpeng SoC Wei Xu
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