what could it be that an simple rt_dev_open locks up my system when it
calls rtdm_lock_put_irqrestore?
[...]
if (rtdm_irq_request(&ctx->irq_handle,
MPC5xxx_PSC2_IRQ,
rt_psc_interrupt,
RTDM_IRQTYPE_SHARED | RTDM_IRQTYPE_EDGE,
context->device->proc_name,
ctx))
{
printk ("psc5200B.c: request_irq() failed\n");
return -1;
}
rtdm_irq_enable(&ctx->irq_handle);
rtdm_lock_get_irqsave(&ctx->lock, lock_ctx);
ctx->imr_status = MPC5xxx_PSC_IMR_RXRDY;
out_be16(&psc->mpc5xxx_psc_imr, ctx->imr_status);
rtdm_lock_put_irqrestore(&ctx->lock, lock_ctx);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Here i get the crash
The test prog is a simple
fd=rt_dev_open("nameofdevice",0)......rt_dev_close(fd).
Axel
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