iommu/tegra: Change to use DEFINE_SHOW_ATTRIBUTE macro
Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index 0d03341..97b3c04 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -926,17 +926,7 @@ static int tegra_smmu_swgroups_show(struct seq_file *s, void *data)
return 0;
}
-static int tegra_smmu_swgroups_open(struct inode *inode, struct file *file)
-{
- return single_open(file, tegra_smmu_swgroups_show, inode->i_private);
-}
-
-static const struct file_operations tegra_smmu_swgroups_fops = {
- .open = tegra_smmu_swgroups_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(tegra_smmu_swgroups);
static int tegra_smmu_clients_show(struct seq_file *s, void *data)
{
@@ -964,17 +954,7 @@ static int tegra_smmu_clients_show(struct seq_file *s, void *data)
return 0;
}
-static int tegra_smmu_clients_open(struct inode *inode, struct file *file)
-{
- return single_open(file, tegra_smmu_clients_show, inode->i_private);
-}
-
-static const struct file_operations tegra_smmu_clients_fops = {
- .open = tegra_smmu_clients_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(tegra_smmu_clients);
static void tegra_smmu_debugfs_init(struct tegra_smmu *smmu)
{
