Index 48 equals IRQ0 in developpers manual
Am 26.06.2017 um 14:46 schrieb Michael Ellerman:
Scott Wood <o...@buserror.net> writes:
External IRQ0 has the same capabilities as the other IRQ1-7 and is
handled by the same register IPIC_SEPNR. When this register is not
specified for "ack" in "ipic_info", you cannot configure this IRQ as
IRQ_TYPE_EDGE_FALLING. This oversight was probably due to the
non-contiguous hwirq numbering of IRQ0 in the IPIC.
I don't know this code at all, but nothing in the diff says "IRQ0" to
me?
cheers
diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c
index f267ee0afc08..16f1edd78c40 100644
--- a/arch/powerpc/sysdev/ipic.c
+++ b/arch/powerpc/sysdev/ipic.c
@@ -315,6 +315,7 @@ static struct ipic_info ipic_info[] = {
.prio_mask = 7,
},
[48] = {
+ .ack = IPIC_SEPNR,
.mask = IPIC_SEMSR,
.prio = IPIC_SMPRR_A,
.force = IPIC_SEFCR,
--
2.11.0
--
i. A.
Jürgen Schindele
Softwareentwicklung
PSI Nentec GmbH
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