"status" property checks

Hunter Cobbs hunter.cobbs at gmail.com
Fri Jan 8 13:35:43 EST 2010


I think that is definitely a solution.  It does centralize the testing
for this particular issue.  The only thing question I have is if its
really better to have the upper level do the check.  Shouldn't the
driver itself handle the hardware and device node status?

On Thu, 2010-01-07 at 15:07 -0800, Hollis Blanchard wrote:
> Right now, a number of drivers honor the "status" property on device
> nodes (via of_device_is_available() checks), but it's open-coded in each
> driver. I'm thinking of "hiding" arbitrary devices from the kernel, and
> setting this property seems like the best approach, but at the moment
> that would require modifying all OF drivers to check for it.
> 
> Wouldn't the better approach be to have of_platform_device_probe()
> itself do the check, and not call the driver's probe() routine if the
> device isn't available?
> 




More information about the Linuxppc-dev mailing list