diff options
Diffstat (limited to 'arch/powerpc/sysdev/xics/ics-rtas.c')
| -rw-r--r-- | arch/powerpc/sysdev/xics/ics-rtas.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/xics/ics-rtas.c b/arch/powerpc/sysdev/xics/ics-rtas.c index 5b3ee38..610c148 100644 --- a/arch/powerpc/sysdev/xics/ics-rtas.c +++ b/arch/powerpc/sysdev/xics/ics-rtas.c @@ -26,12 +26,14 @@ static int ibm_int_off; static int ics_rtas_map(struct ics *ics, unsigned int virq); static void ics_rtas_mask_unknown(struct ics *ics, unsigned long vec); static long ics_rtas_get_server(struct ics *ics, unsigned long vec); +static int ics_rtas_host_match(struct ics *ics, struct device_node *node); /* Only one global & state struct ics */ static struct ics ics_rtas = { .map = ics_rtas_map, .mask_unknown = ics_rtas_mask_unknown, .get_server = ics_rtas_get_server, + .host_match = ics_rtas_host_match, }; static void ics_rtas_unmask_irq(struct irq_data *d) @@ -202,6 +204,15 @@ static long ics_rtas_get_server(struct ics *ics, unsigned long vec) return status[0]; } +static int ics_rtas_host_match(struct ics *ics, struct device_node *node) +{ + /* IBM machines have interrupt parents of various funky types for things + * like vdevices, events, etc... The trick we use here is to match + * everything here except the legacy 8259 which is compatible "chrp,iic" + */ + return !of_device_is_compatible(node, "chrp,iic"); +} + int ics_rtas_init(void) { ibm_get_xive = rtas_token("ibm,get-xive"); |