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From: Wolfram Sang <wsa@the-dreams.de>
To: Lee Jones <lee.jones@linaro.org>
Cc: alokc@codeaurora.org, agross@kernel.org, robh+dt@kernel.org,
	mark.rutland@arm.com, bjorn.andersson@linaro.org,
	vkoul@kernel.org, linux-i2c@vger.kernel.org,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org
Subject: Re: [RESEND v3 1/1] i2c: qcom-geni: Disable DMA processing on the Lenovo Yoga C630
Date: Thu, 5 Sep 2019 22:22:24 +0200	[thread overview]
Message-ID: <20190905202224.GA8989@ninjato> (raw)
In-Reply-To: <20190905192412.23116-1-lee.jones@linaro.org>

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On Thu, Sep 05, 2019 at 08:24:12PM +0100, Lee Jones wrote:
> We have a production-level laptop (Lenovo Yoga C630) which is exhibiting
> a rather horrific bug.  When I2C HID devices are being scanned for at
> boot-time the QCom Geni based I2C (Serial Engine) attempts to use DMA.
> When it does, the laptop reboots and the user never sees the OS.
> 
> Attempts are being made to debug the reason for the spontaneous reboot.
> No luck so far, hence the requirement for this hot-fix.  This workaround
> will be removed once we have a viable fix.
> 
> Signed-off-by: Lee Jones <lee.jones@linaro.org>

Perfect now. Applied to for-current, thanks!


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  reply	other threads:[~2019-09-05 20:22 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-05 19:24 [RESEND v3 1/1] i2c: qcom-geni: Disable DMA processing on the Lenovo Yoga C630 Lee Jones
2019-09-05 20:22 ` Wolfram Sang [this message]
2019-09-06  5:33 ` Stephen Boyd
2019-09-06  6:14   ` Lee Jones
2019-09-06  6:50     ` Wolfram Sang
2019-09-06  7:56       ` Lee Jones
2019-09-06 10:23         ` Wolfram Sang
2019-09-06 10:54           ` Lee Jones
2019-09-06 18:31             ` Wolfram Sang
2019-09-07 17:56               ` Rob Clark
2019-09-13 14:28                 ` Wolfram Sang
2019-09-13 16:13                   ` Bjorn Andersson
2019-09-13 16:17                     ` Wolfram Sang
2019-09-14  8:57                       ` Lee Jones
2019-09-25 15:38                       ` Lee Jones
2019-09-27 21:17                       ` Lee Jones
2019-09-14 19:13                     ` Arnd Bergmann
2019-09-28 17:48 ` Wolfram Sang

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