memory: tegra20-emc: Use DEFINE_SHOW_ATTRIBUTE to simplify code

Use DEFINE_SHOW_ATTRIBUTE helper macro to simplify the code. No
functional change.

Signed-off-by: Liu Shixin <liushixin2@huawei.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/drivers/memory/tegra/tegra20-emc.c b/drivers/memory/tegra/tegra20-emc.c
index 25ba3c5..bd4e37b 100644 (file)
--- a/drivers/memory/tegra/tegra20-emc.c
+++ b/drivers/memory/tegra/tegra20-emc.c
@@ -841,20 +841,7 @@ static int tegra_emc_debug_available_rates_show(struct seq_file *s, void *data)
 
        return 0;
 }
-
-static int tegra_emc_debug_available_rates_open(struct inode *inode,
-                                               struct file *file)
-{
-       return single_open(file, tegra_emc_debug_available_rates_show,
-                          inode->i_private);
-}
-
-static const struct file_operations tegra_emc_debug_available_rates_fops = {
-       .open = tegra_emc_debug_available_rates_open,
-       .read = seq_read,
-       .llseek = seq_lseek,
-       .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(tegra_emc_debug_available_rates);
 
 static int tegra_emc_debug_min_rate_get(void *data, u64 *rate)
 {