diff mbox series

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

Message ID 20210504030358.1715034-7-nathanl@linux.ibm.com (mailing list archive)
State RFC
Headers show
Series powerpc/rtas: improved busy and extended delay status handling | expand

Checks

Context Check Description
snowpatch_ozlabs/apply_patch success Successfully applied on branch powerpc/merge (134b5c8a49b594ff6cfb4ea1a92400bb382b46d2)
snowpatch_ozlabs/checkpatch success total: 0 errors, 0 warnings, 0 checks, 16 lines checked
snowpatch_ozlabs/needsstable success Patch has no Fixes tags

Commit Message

Nathan Lynch May 4, 2021, 3:03 a.m. UTC
rtas_sched_if_busy() has better behavior for RTAS_BUSY (-2) and small
extended delay values.

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

Patch

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);