From: Andrew Jeffery <andrew@aj.id.au>
To: Brendan Higgins <brendanhiggins@google.com>,
wsa@the-dreams.de, robh+dt@kernel.org, mark.rutland@arm.com,
tglx@linutronix.de, jason@lakedaemon.net, marc.zyngier@arm.com,
joel@jms.id.au, vz@mleia.com, mouse@mayc.ru, clg@kaod.org
Cc: devicetree@vger.kernel.org, openbmc@lists.ozlabs.org,
linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 0/5] i2c: aspeed: added driver for Aspeed I2C
Date: Fri, 31 Mar 2017 10:31:13 +1030 [thread overview]
Message-ID: <1490918473.6823.1.camel@aj.id.au> (raw)
In-Reply-To: <20170328051226.21677-1-brendanhiggins@google.com>
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On Mon, 2017-03-27 at 22:12 -0700, Brendan Higgins wrote:
> Sorry for the delay, I went on a long vacation prior to receiving feedback and
> got back in the middle of a hardware bring up that consumed all of my attention
> for an extended period of time. I will try to plan upstream submissions around
> my other responsibilities better in the future.
>
> Addressed comments from:
> - Vladimir in: https://www.spinics.net/lists/linux-i2c/msg27387.html
> and: https://www.spinics.net/lists/linux-i2c/msg27386.html
> - Wolfram in: https://www.spinics.net/lists/linux-i2c/msg27476.html
> and: https://www.spinics.net/lists/linux-i2c/msg27483.html
>
> Changes since previous update:
> - No longer arbitrarily restrict bus to be slave xor master.
> - Pulled out "struct aspeed_i2c_controller" as a interrupt controller.
> - Pulled out slave support into its own commit.
> - Rewrote code that sets clock divider register because the original version
> set it incorrectly.
> - Discovered and fixed issue in implementation that caused certain slave
> devices to misbehave; the cause was that the master IRQ handler would return
> control to the requesting thread after the last RX or TX command was handled
> such that the requesting thread would issue either a repeated start or stop.
> This was incorrect because the time taken to complete the completion was too
> great. I fixed this by rewriting the master IRQ handler so that it now
> manages the entire transaction only returning control to the requesting
> thread once the entire transaction is complete.
> - Rewrote the aspeed_i2c_master_irq handler because the old method of
> completing a completion in between restarts was too slow causing devices to
> misbehave.
> - Added support for I2C_M_RECV_LEN which I had incorrectly said was supported
> before.
> - Addressed other comments from Vladimir.
>
> Changes have been tested on the Aspeed 2500 evaluation board, as before, and now
> on a real platform with an Aspeed 2520.
Looks like there's going to be another revision of the series, but
regardless, I've applied and tested v6 and had no issues. So:
Tested-by: Andrew Jeffery <andrew@aj.id.au>
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prev parent reply other threads:[~2017-03-31 0:01 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-28 5:12 [PATCH v6 0/5] i2c: aspeed: added driver for Aspeed I2C Brendan Higgins
2017-03-28 5:12 ` [PATCH v6 1/5] irqchip/aspeed-i2c-ic: binding docs for Aspeed I2C Interrupt Controller Brendan Higgins
2017-03-28 8:49 ` Benjamin Herrenschmidt
2017-03-29 10:34 ` Brendan Higgins
2017-03-29 12:11 ` Benjamin Herrenschmidt
2017-03-29 20:51 ` Brendan Higgins
2017-03-29 21:17 ` Benjamin Herrenschmidt
2017-04-03 14:16 ` Rob Herring
2017-03-28 5:12 ` [PATCH v6 2/5] irqchip/aspeed-i2c-ic: Add I2C IRQ controller for Aspeed Brendan Higgins
2017-03-28 8:32 ` Marc Zyngier
2017-03-28 9:12 ` Benjamin Herrenschmidt
2017-03-28 9:40 ` Marc Zyngier
2017-03-28 20:50 ` Benjamin Herrenschmidt
2017-03-29 9:59 ` Brendan Higgins
2017-03-29 10:55 ` Marc Zyngier
2017-03-28 8:52 ` Benjamin Herrenschmidt
2017-03-29 10:58 ` Joel Stanley
2017-03-29 20:16 ` Brendan Higgins
2017-03-28 5:12 ` [PATCH v6 3/5] i2c: aspeed: added documentation for Aspeed I2C driver Brendan Higgins
2017-03-28 8:54 ` Benjamin Herrenschmidt
2017-03-29 10:25 ` Brendan Higgins
2017-04-03 14:22 ` Rob Herring
2017-04-03 14:24 ` Rob Herring
2017-03-28 5:12 ` [PATCH v6 4/5] i2c: aspeed: added driver for Aspeed I2C Brendan Higgins
2017-03-28 8:57 ` Benjamin Herrenschmidt
2017-03-28 9:09 ` Benjamin Herrenschmidt
2017-03-29 10:23 ` Brendan Higgins
2017-03-31 0:33 ` Joel Stanley
2017-03-31 7:33 ` Benjamin Herrenschmidt
2017-04-24 18:56 ` Brendan Higgins
2017-04-25 2:19 ` Benjamin Herrenschmidt
2017-04-25 8:32 ` Brendan Higgins
2017-04-25 8:50 ` Ryan Chen
2017-04-25 9:34 ` Benjamin Herrenschmidt
2017-04-25 9:47 ` Ryan Chen
2017-04-25 19:50 ` Brendan Higgins
2017-04-26 0:52 ` Ryan Chen
2017-03-28 5:12 ` [PATCH v6 5/5] i2c: aspeed: added slave support for Aspeed I2C driver Brendan Higgins
2017-03-31 0:01 ` Andrew Jeffery [this message]
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