Re: [PATCH v3 1/1] i2c: qcom-geni: Provide an option to disable DMA processing

On Thu, 05 Sep 2019, Peter Rosin wrote: > On 2019-09-05 15:49, Wolfram Sang wrote: > > Hi Lee, > > > > I understand you are in a hurry, but please double check before > > sending... > > Linus indicated that an rc8 is coming up, which should provide an extra week. > https://lwn.net/Articles/79815

Re: [PATCH v3 1/1] i2c: qcom-geni: Provide an option to disable DMA processing

On 2019-09-05 15:49, Wolfram Sang wrote: > Hi Lee, > > I understand you are in a hurry, but please double check before > sending... Linus indicated that an rc8 is coming up, which should provide an extra week. https://lwn.net/Articles/798152/ > On Thu, Sep 05, 2019 at 11:22:47AM +0100, Lee Jones

Re: [PATCH v3 1/1] i2c: qcom-geni: Provide an option to disable DMA processing

Hi Lee, I understand you are in a hurry, but please double check before sending... On Thu, Sep 05, 2019 at 11:22:47AM +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-t

[PATCH v3 1/1] i2c: qcom-geni: Provide an option to disable DMA processing

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. The beautiful thing