pull request for Eoan raspi2 kernel (respin to the latest commit (2a085c9b42ea) of https://github.com/raspberrypi/linux.git rpi-5.3.y branch)

[Hui Wang]

On 2019/10/31 下午8:21, Paolo Pisati wrote:
> On Fri, Oct 25, 2019 at 4:10 AM Hui Wang <hui.wang at canonical.com> wrote:
>> BugLink: https://bugs.launchpad.net/bugs/1849623
>>
>> [Impact]
>> https://bugs.launchpad.net/bugs/1848790
>> https://bugs.launchpad.net/ubuntu/+source/linux-raspi2/+bug/1848703
>> Recently we had 2 bugs about the usb host on rpi4 with 4G ram, and I found
>> the kernel in the github already had the fix for this issue, and besides
>> this
>> fix, it also had 106 more patches than our eoan kernel, those patches were
>> merged during or after we prepared our eoan kernel, now let us pick those
>> patches to our eoan too.
>>
>> [Fix]
>> For the usb host issue, it adds a fix by setting the usb dma bounce buffer
>> under 1G.
>>
>> [Test Case]
>> some users and I alreaady tested the armhf and arm64 kernel on pi4 and pi3
>> boards, the usb host worked well and no other regressions introduced.
>>
>> [Regression Risk]
>> Low, these patches are from the github which is the pi official kernel
>> repository. And we already tested armhf and arm64 kernel on pi4/3 boards.
> Clean cherry picks from the official RaspberryPi tree, hence:
>
> Acked-by: Paolo Pisati <paolo.pisati at canonical.com>
>
> x Wang: next time, try to use a univoke branch name (e.g.
> eoan-raspi2-lp$BUGNUMBER), since using a past release like
> Ubuntu-raspi2-5.3.0-1009.10 (and thus a tag present in our tree),
> might confuse people trying to fetch/apply it

OK, got it. thx.


>