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-rw-r--r--arch/powerpc/include/asm/opal.h2
-rw-r--r--arch/powerpc/platforms/powernv/opal-call.c2
-rw-r--r--arch/powerpc/sysdev/xive/native.c11
3 files changed, 13 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
index 57bd029c715e..d5a0807d21db 100644
--- a/arch/powerpc/include/asm/opal.h
+++ b/arch/powerpc/include/asm/opal.h
@@ -272,7 +272,7 @@ int64_t opal_xive_get_vp_info(uint64_t vp,
int64_t opal_xive_set_vp_info(uint64_t vp,
uint64_t flags,
uint64_t report_cl_pair);
-int64_t opal_xive_allocate_irq(uint32_t chip_id);
+int64_t opal_xive_allocate_irq_raw(uint32_t chip_id);
int64_t opal_xive_free_irq(uint32_t girq);
int64_t opal_xive_sync(uint32_t type, uint32_t id);
int64_t opal_xive_dump(uint32_t type, uint32_t id);
diff --git a/arch/powerpc/platforms/powernv/opal-call.c b/arch/powerpc/platforms/powernv/opal-call.c
index 29ca523c1c79..dccdc9df5213 100644
--- a/arch/powerpc/platforms/powernv/opal-call.c
+++ b/arch/powerpc/platforms/powernv/opal-call.c
@@ -257,7 +257,7 @@ OPAL_CALL(opal_xive_set_queue_info, OPAL_XIVE_SET_QUEUE_INFO);
OPAL_CALL(opal_xive_donate_page, OPAL_XIVE_DONATE_PAGE);
OPAL_CALL(opal_xive_alloc_vp_block, OPAL_XIVE_ALLOCATE_VP_BLOCK);
OPAL_CALL(opal_xive_free_vp_block, OPAL_XIVE_FREE_VP_BLOCK);
-OPAL_CALL(opal_xive_allocate_irq, OPAL_XIVE_ALLOCATE_IRQ);
+OPAL_CALL(opal_xive_allocate_irq_raw, OPAL_XIVE_ALLOCATE_IRQ);
OPAL_CALL(opal_xive_free_irq, OPAL_XIVE_FREE_IRQ);
OPAL_CALL(opal_xive_get_vp_info, OPAL_XIVE_GET_VP_INFO);
OPAL_CALL(opal_xive_set_vp_info, OPAL_XIVE_SET_VP_INFO);
diff --git a/arch/powerpc/sysdev/xive/native.c b/arch/powerpc/sysdev/xive/native.c
index 4b61e44f0171..e9481468ebd8 100644
--- a/arch/powerpc/sysdev/xive/native.c
+++ b/arch/powerpc/sysdev/xive/native.c
@@ -245,6 +245,17 @@ static bool xive_native_match(struct device_node *node)
return of_device_is_compatible(node, "ibm,opal-xive-vc");
}
+static s64 opal_xive_allocate_irq(u32 chip_id)
+{
+ s64 irq = opal_xive_allocate_irq_raw(chip_id);
+
+ /*
+ * Old versions of skiboot can incorrectly return 0xffffffff to
+ * indicate no space, fix it up here.
+ */
+ return irq == 0xffffffff ? OPAL_RESOURCE : irq;
+}
+
#ifdef CONFIG_SMP
static int xive_native_get_ipi(unsigned int cpu, struct xive_cpu *xc)
{