On 08/15/13 17:59, Tomasz Figa wrote:
Hi Tushar,
[...]
+ status = "okay";
};
Sometime back we had a discussion on this, the decision was to enable
it in respective boards.
This is not entirely true.
According to ePAPR, chapter 2.3.4, the status property has a well defined
meaning and it should be set to "disabled" when "the device is not
presently operational, but it might become operational in the future (for
example, something is not plugged in, or switched off)".
So in my understanding, you mean using "okay" is wrong and only
"disabled" is used? and in board dt file? Already there are too many
"okay"...
This means that unless setup of the device is missing something (e.g.
board-specific properties, like regulators or pin config) or there is a
valid technical reason for disabling the device by default (e.g. it needs
certain SoC pins to be properly connected to something), then such device
should be "okay", because it is operational.
Also if we are going ahead with this, we would need to remove the
corresponding status statements from board files.
Yes, this is true.
According to above, probably we should add "disabled" in board dt file?
If I'm wrong, correct me.
(+ dt ml)
Anyway, I'm not sure how to use 'okay' and 'disabled' for status...
I think, every hardware information should be defined in SoC dt file and
maybe some of them could be set disabled or okay in each board dt file...
Any suggestions?
Thanks,
Kukjin
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