[Xenomai-help] PowerPC irq unmask

[Federico Ridolfo <federico.ridolfo@domain.hid>]

Hi all,
my platform is a mpc5200b based one. I wrote
some rtdm driver for that platform on linux-2.6.18
kernel. Some info:
- ARCH=ppc
- no fdt (so no dts)
- u-boot
- xenomai 2.3.2,
- adeos-ipipe-2.6.18-ppc-1.5-01.patch
All works fine.

Now i want to use:
- ARCH = powerpc
- linux kernel from denx: ipipe-2.6-26-powerpc-2.4-03
- fdt (so i have a dts file)
- xenomai-2.4.6.1
- u-boot
Ok. My board boots, all peripheral s work. Xenomai works, but
my rtdm drivers don't work. The problem is that the rtdm_irq_request
returns -ENODEV coming from line 166 in wrappers.h:
...
#else /* > 2.6.19 */
#define rthal_irq_chip_enable(irq)                    \
    ({                                \
        int __err__ = 0;                    \
        if (unlikely(rthal_irq_handlerp(irq)->unmask == NULL))    \
            __err__ = -ENODEV;     \
        else                            \
            rthal_irq_handlerp(irq)->unmask(irq);        \
        __err__;                        \
    })
...
Seems that adeos doesn't not set the unmask function. In the linux kernel
the right functions for my pic in in
arch/powerpc/platforms/52xx/mpc52xx_pic.c
I thing i have to add some code in mpc52xx_pic.c in order to match
device tree table
and also something in my dts file. Any help is very usefull!!!
Thanks


--
chicco