[RFC 06/10] powerpc/pseries/msi: convert to rtas_sched_if_busy()

[Nathan Lynch]

rtas_sched_if_busy() has better behavior for RTAS_BUSY (-2) and small
extended delay values.

Signed-off-by: Nathan Lynch <nath...@linux.ibm.com>
---
 arch/powerpc/platforms/pseries/msi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/platforms/pseries/msi.c 
b/arch/powerpc/platforms/pseries/msi.c
index 637300330507..df434b8a3aa7 100644
--- a/arch/powerpc/platforms/pseries/msi.c
+++ b/arch/powerpc/platforms/pseries/msi.c
@@ -49,7 +49,7 @@ static int rtas_change_msi(struct pci_dn *pdn, u32 func, u32 
num_irqs)
                                        func, num_irqs, seq_num);
 
                seq_num = rtas_ret[1];
-       } while (rtas_busy_delay(rc));
+       } while (rtas_sched_if_busy(rc));
 
        /*
         * If the RTAS call succeeded, return the number of irqs allocated.
@@ -100,7 +100,7 @@ static int rtas_query_irq_number(struct pci_dn *pdn, int 
offset)
        do {
                rc = rtas_call(query_token, 4, 3, rtas_ret, addr,
                               BUID_HI(buid), BUID_LO(buid), offset);
-       } while (rtas_busy_delay(rc));
+       } while (rtas_sched_if_busy(rc));
 
        if (rc) {
                pr_debug("rtas_msi: error (%d) querying source number\n", rc);
-- 
2.30.2