[PATCH v3] media: exynos4-is: convert to DEFINE_SHOW_ATTRIBUTE

From: Yangtao Li
Date: Wed Dec 12 2018 - 11:20:20 EST


Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@xxxxxxxxx>
---
drivers/media/platform/exynos4-is/fimc-is.c | 16 +++-------------
1 file changed, 3 insertions(+), 13 deletions(-)

diff --git a/drivers/media/platform/exynos4-is/fimc-is.c b/drivers/media/platform/exynos4-is/fimc-is.c
index f5fc54de19da..02da0b06e56a 100644
--- a/drivers/media/platform/exynos4-is/fimc-is.c
+++ b/drivers/media/platform/exynos4-is/fimc-is.c
@@ -738,7 +738,7 @@ int fimc_is_hw_initialize(struct fimc_is *is)
return 0;
}

-static int fimc_is_log_show(struct seq_file *s, void *data)
+static int fimc_is_show(struct seq_file *s, void *data)
{
struct fimc_is *is = s->private;
const u8 *buf = is->memory.vaddr + FIMC_IS_DEBUG_REGION_OFFSET;
@@ -752,17 +752,7 @@ static int fimc_is_log_show(struct seq_file *s, void *data)
return 0;
}

-static int fimc_is_debugfs_open(struct inode *inode, struct file *file)
-{
- return single_open(file, fimc_is_log_show, inode->i_private);
-}
-
-static const struct file_operations fimc_is_debugfs_fops = {
- .open = fimc_is_debugfs_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(fimc_is);

static void fimc_is_debugfs_remove(struct fimc_is *is)
{
@@ -777,7 +767,7 @@ static int fimc_is_debugfs_create(struct fimc_is *is)
is->debugfs_entry = debugfs_create_dir("fimc_is", NULL);

dentry = debugfs_create_file("fw_log", S_IRUGO, is->debugfs_entry,
- is, &fimc_is_debugfs_fops);
+ is, &fimc_is_fops);
if (!dentry)
fimc_is_debugfs_remove(is);

--
2.17.0