powerpc/8xx: fix mpc8xx_get_irq() return on no irq
IRQ 0 is a valid HW interrupt. So get_irq() shall return 0 when
there is no irq, instead of returning irq_linear_revmap(... ,0)
Fixes: f2a0bd3753
("[POWERPC] 8xx: powerpc port of core CPM PIC")
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
parent
362957c27e
commit
3c29b60388
|
@ -79,7 +79,7 @@ unsigned int mpc8xx_get_irq(void)
|
||||||
irq = in_be32(&siu_reg->sc_sivec) >> 26;
|
irq = in_be32(&siu_reg->sc_sivec) >> 26;
|
||||||
|
|
||||||
if (irq == PIC_VEC_SPURRIOUS)
|
if (irq == PIC_VEC_SPURRIOUS)
|
||||||
irq = 0;
|
return 0;
|
||||||
|
|
||||||
return irq_linear_revmap(mpc8xx_pic_host, irq);
|
return irq_linear_revmap(mpc8xx_pic_host, irq);
|
||||||
|
|
||||||
|
|
Loading…
Reference in a new issue