[PATCH] xilinx: zynqmp: Allow multiboot environment write even in saved environment

[Michal Simek]

On 5/28/24 17:11, Kory Maincent wrote:
> On Tue, 28 May 2024 16:53:42 +0200
> Michal Simek <michal.simek at amd.com> wrote:
> 
>> On 5/28/24 16:36, Kory Maincent wrote:
>>> Once the environment was saved, we could not retrieve information about
>>
>> nit: use imperative mood.
> 
> Ah indeed.
> 
>>
>>> the multiboot image used. When dealing with firmware updates, this
>>> information is necessary alongside the saved environment.
>>
>> what exactly are you trying to do?
> 
> Retrieving the multiboot information to know which boot000x.bin image we have
> booted. This would allow to check the boot status of a firmware update.
> 
>>> Move the multiboot environment set operation before the saved environment
>>> check to ensure this information is always available.
>>
>> that make sense.
>>
>>>
>>> Signed-off-by: Kory Maincent <kory.maincent at bootlin.com>
>>> ---
>>>    board/xilinx/zynqmp/zynqmp.c | 8 ++++----
>>>    1 file changed, 4 insertions(+), 4 deletions(-)
>>>
>>> diff --git a/board/xilinx/zynqmp/zynqmp.c b/board/xilinx/zynqmp/zynqmp.c
>>> index f370fb7347a..16292ed1c7e 100644
>>> --- a/board/xilinx/zynqmp/zynqmp.c
>>> +++ b/board/xilinx/zynqmp/zynqmp.c
>>> @@ -519,6 +519,10 @@ int board_late_init(void)
>>>    	usb_ether_init();
>>>    #endif
>>>    
>>> +	multiboot = multi_boot();
>>> +	if (multiboot >= 0)
>>
>> likely make sense to remove this check to because you want to have even
>> multiboot=0 too.
> 
> I don't understand, this check is >= so it supports multiboot=0.

Sorry my fault. You are right. It was there for catching the fault.

Thanks,
Michal