[PATCH] ALSA: emu10k1: Stop using iommu_present()

[Robin Murphy]

iommu_get_domain_for_dev() is already perfectly happy to return NULL
if the given device has no IOMMU. Drop the unnecessary check.

Signed-off-by: Robin Murphy <robin.murphy@xxxxxxx>
---
 sound/pci/emu10k1/emu10k1_main.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c
index 86cc1ca025e4..5ffab343b89c 100644
--- a/sound/pci/emu10k1/emu10k1_main.c
+++ b/sound/pci/emu10k1/emu10k1_main.c
@@ -1751,9 +1751,6 @@ static void snd_emu10k1_detect_iommu(struct snd_emu10k1 *emu)
 
 	emu->iommu_workaround = false;
 
-	if (!iommu_present(emu->card->dev->bus))
-		return;
-
 	domain = iommu_get_domain_for_dev(emu->card->dev);
 	if (domain && domain->type == IOMMU_DOMAIN_IDENTITY)
 		return;
-- 
2.28.0.dirty