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SubjectRe: [PATCH v2] platform_get_irq: Revert to platform_get_resource if of_irq_get fails
On Mon, Jun 30, 2014 at 09:18:35AM -0700, Guenter Roeck wrote:
> On Mon, Jun 23, 2014 at 10:48:33AM -0500, Rob Herring wrote:
> > On Tue, Jun 17, 2014 at 5:51 PM, Guenter Roeck <linux@roeck-us.net> wrote:
> > > Commits 9ec36ca (of/irq: do irq resolution in platform_get_irq)
> > > and ad69674 (of/irq: do irq resolution in platform_get_irq_byname)
> > > change the semantics of platform_get_irq and platform_get_irq_byname
> > > to always rely on devicetree information if devicetree is enabled
> > > and if a devicetree node is attached to the device. The functions
> > > now return an error if the devicetree data does not include interrupt
> > > information, even if the information is available as platform resource
> > > data.
> > >
> > > This causes mfd client drivers to fail if the interrupt number is
> > > passed via platform resources. Therefore, if of_irq_get fails, try
> > > platform_get_resource as method of last resort. This restores the
> > > original functionality for drivers depending on platform resources
> > > to get irq information.
> > >
> > > Cc: Russell King <linux@arm.linux.org.uk>
> > > Cc: Rob Herring <robh@kernel.org>
> > > Cc: Tony Lindgren <tony@atomide.com>
> > > Cc: Grant Likely <grant.likely@linaro.org>
> > > Cc: Grygorii Strashko <grygorii.strashko@ti.com>
> > > Signed-off-by: Guenter Roeck <linux@roeck-us.net>
> >
> > Acked-by: Rob Herring <robh@kernel.org>
> >
> > Greg should take this for 3.16.
> >
> Doesn't seem to go anywhere. Guess it's one more patch I'll have to carry
> locally :-(. If anyone has a better idea how to fix the problem, please
> let me know.

I can still queue this up, I was hoping that Grant would chime in...

greg k-h


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