Re: Without MACH_ option Early printk (DEBUG_LL)

Russell King - ARM Linux
2012-08-31T17:13:55Z

On Fri, Aug 31, 2012 at 08:24:51PM +0530, Vaibhav Hiremath wrote:
> Hi Russell & Tony,
>
> AM335X EVM (based on AM33XX device) only supports DT boot mode and
> doesn't have CONFIG_MACH_AM335XEVM option defined. Some time back during
> baseport submission we had aligned that, we won't create separate EVM
> options, killing the board file all-together.
>
> Having said that, the early printk option (DEBUG_LL) is broken, the
> auto-generated file "./include/generated/mach-types.h" still refers to
> CONFIG_MACH_AM335XEVM option,
>
> #ifdef CONFIG_MACH_AM335XEVM
> # ifdef machine_arch_type
> # undef machine_arch_type
> # define machine_arch_type __machine_arch_type
> # else
> # define machine_arch_type MACH_TYPE_AM335XEVM
> # endif
> # define machine_is_am335xevm() (machine_arch_type == MACH_TYPE_AM335XEVM)
> #else
> # define machine_is_am335xevm() (0)
> #endif

machine types are entirely meaningless for DT based systems.

> Can you comment on this? Based on that I will submit the patch.

Pointless. You can't use machine_is_am335xevm() when you're using DT.