[U-Boot] [PATCH 1/2] arm: timer: factor out FSL arch timer erratum workaround

[Jagan Teki]

On Fri, Jun 29, 2018 at 2:17 PM, Andre Przywara <andre.przywara at arm.com> wrote:
> Hi Jagan,
>
> On 29/06/18 09:41, Jagan Teki wrote:
>> On Thu, Jun 28, 2018 at 8:07 PM, Andre Przywara <andre.przywara at arm.com> wrote:
>>> Hi,
>>>
>>> On 28/06/18 15:27, Jagan Teki wrote:
>>>> On Wed, Jun 27, 2018 at 6:12 AM, Andre Przywara <andre.przywara at arm.com> wrote:
>>>>> At the moment we have the workaround for the Freescale arch timer
>>>>> erratum A-008585 merged into the generic timer_read_counter() routine.
>>>>> Split those two up, so that we can add other errata workaround more
>>>>> easily. Also add an explaining comment on the way.
>>>>>
>>>>> Signed-off-by: Andre Przywara <andre.przywara at arm.com>
>>>>> ---
>>>>>  arch/arm/cpu/armv8/generic_timer.c | 31 +++++++++++++++++++++++++------
>>>>>  1 file changed, 25 insertions(+), 6 deletions(-)
>>>>>
>>>>
>>>> Are these these two patches are for coming release?
>>>
>>> Yes, please. That's an issue that needs fixing now. The bug is in all
>>> A64 silicon, but the issue popped up with the recent commit 5ff8e54888e4
>>> and can be triggered quite easily:
>>> Boot mainline U-Boot on any A64 board, and do:
>>>> ls mmc 0:1
>>> on any SD card (with at least one partition defined). Then hold down the
>>> Enter key to repeat this last command over and over again. It usually
>>> takes less than 10 seconds to crash the board.
>>> People reported immediate crashes under certain circumstances (GPT
>>> partitioned SD cards):
>>> https://bugzilla.opensuse.org/show_bug.cgi?id=1098550
>>
>> Yes I would able to reproduce the issue related to GPT partitions[1]
>> with SD card on BPI-M64 and seems like issue fixed[2] after applying
>> these two patches. I even tried another board in eMMC partition.
>>
>> Tested-by: Jagan Teki <jagan at amarulasolutions.com>
>
> Thanks! That's much appreciated.

UW.

Hi All,

If anyone has any further questions on these two patches, please let
me know. Would like to apply soon.

Jagan.