diff options
| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2021-09-26 15:07:18 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2021-10-18 13:39:41 +0200 |
| commit | 89374244a43e51137ade6d22849ef73876f94a2b (patch) | |
| tree | ffcea7f8bb1575a248693f7de4ee04f3b73155d6 | |
| parent | 5816b3e6577eaa676ceb00a848f0fd65fe2adc29 (diff) | |
iommu/tegra-smmu: Use devm_bitmap_zalloc when applicable
'smmu->asids' is a bitmap. So use 'devm_kzalloc()' to simplify code,
improve the semantic of the code and avoid some open-coded arithmetic in
allocator arguments.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/2c0f4da80c3b5ef83299c651f69a563034c1c6cb.1632661557.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Joerg Roedel <jroedel@suse.de>
| -rw-r--r-- | drivers/iommu/tegra-smmu.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c index 0a281833f611..e900e3c46903 100644 --- a/drivers/iommu/tegra-smmu.c +++ b/drivers/iommu/tegra-smmu.c @@ -1079,7 +1079,6 @@ struct tegra_smmu *tegra_smmu_probe(struct device *dev, struct tegra_mc *mc) { struct tegra_smmu *smmu; - size_t size; u32 value; int err; @@ -1097,9 +1096,7 @@ struct tegra_smmu *tegra_smmu_probe(struct device *dev, */ mc->smmu = smmu; - size = BITS_TO_LONGS(soc->num_asids) * sizeof(long); - - smmu->asids = devm_kzalloc(dev, size, GFP_KERNEL); + smmu->asids = devm_bitmap_zalloc(dev, soc->num_asids, GFP_KERNEL); if (!smmu->asids) return ERR_PTR(-ENOMEM); |