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iommu/tegra: Change to use DEFINE_SHOW_ATTRIBUTE macro
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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>
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Yangtao Li authored and Joerg Roedel committed Nov 22, 2018
1 parent 9ff0119 commit 062e52a
Showing 1 changed file with 2 additions and 22 deletions.
24 changes: 2 additions & 22 deletions drivers/iommu/tegra-smmu.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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)
{
Expand Down Expand Up @@ -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)
{
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