[RFC 07/10] powerpc/pseries/iommu: convert to rtas_sched_if_busy()
From: Nathan Lynch <hidden>
Date: 2021-05-04 03:08:02
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
rtas_sched_if_busy() has better behavior for RTAS_BUSY (-2) and small extended delay values. Signed-off-by: Nathan Lynch <redacted> --- arch/powerpc/platforms/pseries/iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 0c55b991f665..0f0e7a51b863 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c@@ -1016,7 +1016,7 @@ static int create_ddw(struct pci_dev *dev, const u32 *ddw_avail, ret = rtas_call(ddw_avail[DDW_CREATE_PE_DMA_WIN], 5, 4, (u32 *)create, cfg_addr, BUID_HI(buid), BUID_LO(buid), page_shift, window_shift); - } while (rtas_busy_delay(ret)); + } while (rtas_sched_if_busy(ret)); dev_info(&dev->dev, "ibm,create-pe-dma-window(%x) %x %x %x %x %x returned %d " "(liobn = 0x%x starting addr = %x %x)\n",
--
2.30.2