[PATCH v3 1/3] Convert CONFIG_SYS_L2_PL310 to Kconfig

[Philip Oberfichtner]

Just for the record: I solved the problem using

./tools/moveconfig.py -i CONFIG_SYS_L2_PL310

Patch V4 coming soon.


On Thu, 2022-08-11 at 12:17 +0200, Philip Oberfichtner wrote:
> Hi,
> 
> following the whole discussion I figured using 'select SYS_l2_PL310
> if
> !SYS_L2CACHE_OFF' is the preferred solution.
> 
> Now the thing is, if I'd put this line under the ARCH_XXX Kconfig
> entries, I would change behavior for many boards. Take, for example,
> ARCH_MVEBU:
> 
> grep -lr ARCH_MVEBU configs | ./tools/moveconfig.py -d-
> CONFIG_SYS_L2_PL310
> 
> Tells me that there are 30 ARCH_MVEBU defconfigs, of which 19 use
> CONFIG_SYS_L2_PL310 and 11 don't. Those 11 boards not using it also
> do
> not define CONFIG_SYS_L2CACHE_OFF. So using a 'select SYS_L2_PL310'
> under ARCH_MVEBU would change behavior for those 11 boards.
> 
> There is a similar picture for other architectures, like SOCFPGA or
> OMAP2. The only place where selecting based on CONFIG_ARCH does not
> change behavior is ARCH_MX6, when excluding CONFIG_MX6UL(L).
> 
> If I didn't miss something here, there's no easy way out. Maybe to
> define SYS_L2CACHE_OFF for respective boards would be an option, but
> I
> don't know if there would be side effects.
> 
> Any other suggestions?
> 
> Best regards,
> Philip