[PATCH] I2C: i.MX: early: Use internal udelay

[Ahmad Fatoum]

Hello Jules,

On 02.02.23 15:21, Jules Maselbas wrote:
> On Mon, Jan 30, 2023 at 11:27:27AM +0100, Sascha Hauer wrote:
>> The time spent for a register read depends on the bus clock which
>> doesn't change that much between the different SoCs.
>>
> 
> Some arm devices have an architecture timer, isn't it possible to use
> the udelay defined in arch/arm/lib64/pbl.c on i.MX ? I am not very
> experienced on ARM cpus, is this only possible on armv7/armv8, and not
> on every i.MX SoCs ?

Cortex-A7 and later i.MX has an ARMv7 architected timer, but "normal"
i.MX6Q/DL with Cortex-A9 doesn't.

Cheers,
Ahmad

> 
> Cheers,
> -- Jules
> 
> 
> 
> 
> 
> 

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