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PPC: e500: pci: Export slot2irq calculation

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We need the calculation method to get from a PCI slot ID to its respective
interrupt line twice. Once in the internal map function and once when
assembling the device tree.

So let's extract the calculation to a separate function that can be called
by both users.

Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Alexander Graf 2012-12-13 01:16:24 +01:00
parent 3bb7e02a97
commit 9e2c12988b
3 changed files with 15 additions and 2 deletions
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9
hw/ppce500_pci.h Normal file
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#ifndef PPCE500_PCI_H
#define PPCE500_PCI_H
static inline int ppce500_pci_map_irq_slot(int devno, int irq_num)
{
return (devno + irq_num) % 4;
}
#endif