[U-Boot] [PATCH v3 5/5] arc: select BOUNCE_BUFFER for CMD_NAND on AXS10x

[Philipp Tomsich]

Alexey,

> On 03.12.2018, at 12:20, Alexey Brodkin <alexey.brodkin at synopsys.com> wrote:
> 
> Hi Philipp,
> 
> On Fri, 2018-11-30 at 22:13 +0100, Philipp Tomsich wrote:
>> The NAND driver of AXS10x depends on the availability of the bounce
>> buffer.  As the NAND driver is gated by CMD_NAND only, we need to
>> select BOUNCE_BUFFER conditionally (on CMD_NAND) for TARGET_AXS101 and
>> TARGET_AXS103.
>> 
>> Signed-off-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>
>> ---
>> 
>> Changes in v3: None
>> Changes in v2: None
>> 
>> arch/arc/Kconfig         | 2 ++
>> include/configs/axs10x.h | 4 ----
>> 2 files changed, 2 insertions(+), 4 deletions(-)
>> 
>> diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
>> index fa6b344..50369d5 100644
>> --- a/arch/arc/Kconfig
>> +++ b/arch/arc/Kconfig
>> @@ -146,9 +146,11 @@ config TARGET_NSIM
>> 
>> config TARGET_AXS101
>> 	bool "Support Synopsys Designware SDP board AXS101"
>> +	select BOUNCE_BUFFER if CMD_NAND
>> 
>> config TARGET_AXS103
>> 	bool "Support Synopsys Designware SDP board AXS103"
>> +	select BOUNCE_BUFFER if CMD_NAND
> 
> I'd say that more appropriate place is "board/synopsys/axs10x/Kconfig".
> Because:
> - This is related to the particular board, architecture has nothing to
>   do with this
> - Only 1 line of change will be required as both boards use the same
>   Kconfig file

Happily, if you tell me how I can add a ‘select’ for this config-option in
board/synopsys/axs10x/Kconfig w/o unintended side-effects …
In other words: I failed when I tried to override CMD_NAND in that file.

Thanks,
Philipp.