[PATCH -next] PCI: tegra: convert to use DEFINE_SEQ_ATTRIBUTE macro

From: Liu Shixin
Date: Tue Sep 15 2020 - 22:29:06 EST


Use DEFINE_SEQ_ATTRIBUTE macro to simplify the code.

Signed-off-by: Liu Shixin <liushixin2@xxxxxxxxxx>
---
drivers/pci/controller/pci-tegra.c | 28 +++-------------------------
1 file changed, 3 insertions(+), 25 deletions(-)

diff --git a/drivers/pci/controller/pci-tegra.c b/drivers/pci/controller/pci-tegra.c
index c1d34353c29b..556c30a718f0 100644
--- a/drivers/pci/controller/pci-tegra.c
+++ b/drivers/pci/controller/pci-tegra.c
@@ -2564,36 +2564,14 @@ static int tegra_pcie_ports_seq_show(struct seq_file *s, void *v)
return 0;
}

-static const struct seq_operations tegra_pcie_ports_seq_ops = {
+static const struct seq_operations tegra_pcie_ports_sops = {
.start = tegra_pcie_ports_seq_start,
.next = tegra_pcie_ports_seq_next,
.stop = tegra_pcie_ports_seq_stop,
.show = tegra_pcie_ports_seq_show,
};

-static int tegra_pcie_ports_open(struct inode *inode, struct file *file)
-{
- struct tegra_pcie *pcie = inode->i_private;
- struct seq_file *s;
- int err;
-
- err = seq_open(file, &tegra_pcie_ports_seq_ops);
- if (err)
- return err;
-
- s = file->private_data;
- s->private = pcie;
-
- return 0;
-}
-
-static const struct file_operations tegra_pcie_ports_ops = {
- .owner = THIS_MODULE,
- .open = tegra_pcie_ports_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
+DEFINE_SEQ_ATTRIBUTE(tegra_pcie_ports);

static void tegra_pcie_debugfs_exit(struct tegra_pcie *pcie)
{
@@ -2610,7 +2588,7 @@ static int tegra_pcie_debugfs_init(struct tegra_pcie *pcie)
return -ENOMEM;

file = debugfs_create_file("ports", S_IFREG | S_IRUGO, pcie->debugfs,
- pcie, &tegra_pcie_ports_ops);
+ pcie, &tegra_pcie_ports_fops);
if (!file)
goto remove;

--
2.25.1