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From: "Andrew Jeffery" <andrew@aj.id.au>
To: linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 16/21] ipmi: kcs_bmc: Add a "raw" character device interface
Date: Fri, 09 Apr 2021 18:21:29 +0930	[thread overview]
Message-ID: <f0029c4c-6bf9-49a1-ac94-b718eab01d14@beta.fastmail.com> (raw)
In-Reply-To: <CAK8P3a1HDQdbTAT4aRMLu-VFz720ynPqPHG5b22NZ5p5QfUqOw@mail.gmail.com>

Hi Arnd,

On Fri, 9 Apr 2021, at 17:25, Arnd Bergmann wrote:
> On Fri, Mar 19, 2021 at 7:31 AM Andrew Jeffery <andrew@aj.id.au> wrote:
> >
> > The existing IPMI chardev encodes IPMI behaviours as the name suggests.
> > However, KCS devices are useful beyond IPMI (or keyboards), as they
> > provide a means to generate IRQs and exchange arbitrary data between a
> > BMC and its host system.
> 
> I only noticed the series after Joel asked about the DT changes on the arm
> side. One question though:
> 
> How does this related to the drivers/input/serio/ framework that also talks
> to the keyboard controller for things that are not keyboards? Are these
> separate communication channels on adjacent I/O ports, or does there
> need to be some arbitration?

Good questions! I'll look into serio and get back to you.

Andrew

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  reply	other threads:[~2021-04-09  8:53 UTC|newest]

Thread overview: 67+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-19  6:27 [PATCH v2 01/21] dt-bindings: aspeed-lpc: Remove LPC partitioning Andrew Jeffery
2021-03-19  6:27 ` [PATCH v2 02/21] ARM: dts: Remove LPC BMC and Host partitions Andrew Jeffery
2021-03-19  6:27 ` [PATCH v2 03/21] ipmi: kcs: aspeed: Adapt to new LPC DTS layout Andrew Jeffery
2021-04-09  3:35   ` Joel Stanley
2021-03-19  6:27 ` [PATCH v2 04/21] pinctrl: aspeed-g5: Adapt to new LPC device tree layout Andrew Jeffery
2021-04-09  3:36   ` Joel Stanley
2021-03-19  6:27 ` [PATCH v2 05/21] soc: aspeed: " Andrew Jeffery
2021-04-09  3:38   ` Joel Stanley
2021-03-19  6:27 ` [PATCH v2 06/21] ipmi: kcs_bmc_aspeed: Use of match data to extract KCS properties Andrew Jeffery
2021-04-06  6:07   ` ChiaWei Wang
2021-04-09  3:24   ` Zev Weiss
2021-03-19  6:27 ` [PATCH v2 07/21] ipmi: kcs_bmc: Make status update atomic Andrew Jeffery
2021-04-09  5:32   ` Zev Weiss
2021-03-19  6:27 ` [PATCH v2 08/21] ipmi: kcs_bmc: Rename {read, write}_{status, data}() functions Andrew Jeffery
2021-04-09  5:33   ` Zev Weiss
2021-03-19  6:27 ` [PATCH v2 09/21] ipmi: kcs_bmc: Split out kcs_bmc_cdev_ipmi Andrew Jeffery
2021-04-09  3:56   ` Zev Weiss
2021-04-09  5:48     ` Andrew Jeffery
2021-04-09 19:21       ` Zev Weiss
2021-03-19  6:27 ` [PATCH v2 10/21] ipmi: kcs_bmc: Turn the driver data-structures inside-out Andrew Jeffery
2021-04-09  3:57   ` Zev Weiss
2021-04-09  5:59     ` Andrew Jeffery
2021-04-09  6:25       ` Zev Weiss
2021-04-09 19:26         ` Zev Weiss
2021-04-11 23:00           ` Andrew Jeffery
2021-03-19  6:27 ` [PATCH v2 11/21] ipmi: kcs_bmc: Split headers into device and client Andrew Jeffery
2021-04-09  4:01   ` Zev Weiss
2021-04-09  6:06     ` Andrew Jeffery
2021-03-19  6:27 ` [PATCH v2 12/21] ipmi: kcs_bmc: Strip private client data from struct kcs_bmc Andrew Jeffery
2021-04-09  4:07   ` Zev Weiss
2021-04-09  6:15     ` Andrew Jeffery
2021-03-19  6:27 ` [PATCH v2 13/21] ipmi: kcs_bmc: Decouple the IPMI chardev from the core Andrew Jeffery
2021-04-06  6:07   ` ChiaWei Wang
2021-04-09  4:35   ` Zev Weiss
2021-04-09  6:24     ` Andrew Jeffery
2021-03-19  6:27 ` [PATCH v2 14/21] ipmi: kcs_bmc: Allow clients to control KCS IRQ state Andrew Jeffery
2021-04-09  4:37   ` Zev Weiss
2021-04-09  6:39     ` Andrew Jeffery
2021-03-19  6:27 ` [PATCH v2 15/21] ipmi: kcs_bmc: Don't enforce single-open policy in the kernel Andrew Jeffery
2021-04-09  5:07   ` Zev Weiss
2021-03-19  6:27 ` [PATCH v2 16/21] ipmi: kcs_bmc: Add a "raw" character device interface Andrew Jeffery
2021-04-09  5:17   ` Zev Weiss
2021-04-09  6:46     ` Andrew Jeffery
2021-04-09  7:55   ` Arnd Bergmann
2021-04-09  8:51     ` Andrew Jeffery [this message]
2021-04-12  1:33     ` Andrew Jeffery
2021-04-12  8:48       ` Arnd Bergmann
2021-04-12 23:45         ` Andrew Jeffery
2021-04-13  8:22           ` Arnd Bergmann
2021-04-14  0:30             ` Andrew Jeffery
2021-03-19  6:27 ` [PATCH v2 17/21] dt-bindings: ipmi: Convert ASPEED KCS binding to schema Andrew Jeffery
2021-03-26  1:48   ` Rob Herring
2021-04-09  5:15   ` Zev Weiss
2021-04-09  5:33     ` Andrew Jeffery
2021-04-09  5:44       ` Zev Weiss
2021-04-09  8:46         ` Zev Weiss
2021-03-19  6:27 ` [PATCH v2 18/21] dt-bindings: ipmi: Add optional SerIRQ property to ASPEED KCS devices Andrew Jeffery
2021-03-26  1:49   ` Rob Herring
2021-03-19  6:27 ` [PATCH v2 19/21] ipmi: kcs_bmc_aspeed: Implement KCS SerIRQ configuration Andrew Jeffery
2021-04-01  9:30   ` [EXTERNAL] " Zev Weiss
2021-03-19  6:27 ` [PATCH v2 20/21] ipmi: kcs_bmc_aspeed: Fix IBFIE typo from datasheet Andrew Jeffery
2021-04-09  5:40   ` Zev Weiss
2021-03-19  6:27 ` [PATCH v2 21/21] ipmi: kcs_bmc_aspeed: Optionally apply status address Andrew Jeffery
2021-04-01 18:18   ` Re " Zev Weiss
2021-04-06  6:09   ` ChiaWei Wang
2021-04-09  3:18 ` [PATCH v2 01/21] dt-bindings: aspeed-lpc: Remove LPC partitioning Joel Stanley
2021-04-09  5:24   ` Andrew Jeffery

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