diff options
| author | Robin Murphy <robin.murphy@arm.com> | 2022-04-05 14:27:54 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2022-04-05 18:17:24 +0200 |
| commit | e7ff672165c081e115aa8dbba52c9f6aa3078ce8 (patch) | |
| tree | 5069c61c4501fedaa4050244e1ece9558d2ee076 /sound/pci/emu10k1/emu10k1_main.c | |
| parent | bc55cfd5718c7c23e5524582e9fa70b4d10f2433 (diff) | |
| download | linux-e7ff672165c081e115aa8dbba52c9f6aa3078ce8.tar.gz | |
ALSA: emu10k1: Stop using iommu_present()
iommu_get_domain_for_dev() is already perfectly happy to return NULL
if the given device has no IOMMU. Drop the unnecessary check in favour
of just handling that condition appropriately.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/9b506b4a4fe8a7f40aa8bad1aafc82426cf3dd92.1649165210.git.robin.murphy@arm.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/emu10k1/emu10k1_main.c')
| -rw-r--r-- | sound/pci/emu10k1/emu10k1_main.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c index 86cc1ca025e40..3880f359e6889 100644 --- a/sound/pci/emu10k1/emu10k1_main.c +++ b/sound/pci/emu10k1/emu10k1_main.c @@ -1751,11 +1751,8 @@ 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) + if (!domain || domain->type == IOMMU_DOMAIN_IDENTITY) return; dev_notice(emu->card->dev, |