How to define an I2C-to-SPI bridge device ?

Anton Vorontsov cbouatmailru at
Sat Sep 11 04:27:35 EST 2010

On Fri, Sep 10, 2010 at 08:14:44PM +0200, André Schwarz wrote:
> > Does the device actually generate edge interrupts?  Or is it a level
> > irq device?  If it is a level irq device, then the correct way to
> > handle this is to disable the irq line so that the event can be
> > handled at non-irq context, and then reenable it when finished.
> The irq is level-low active.
> Will do it via disable/re-enable then.

FYI, In newer kernels you don't have to do it manually, there's
request_threaded_irq() for this.

Anton Vorontsov
email: cbouatmailru at

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