From: Qinglang Miao <miaoqinglang@huawei.com>
To: Tony Luck <tony.luck@intel.com>, Borislav Petkov <bp@alien8.de>
Cc: <linux-edac@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
"Qinglang Miao" <miaoqinglang@huawei.com>
Subject: [PATCH -next v2] RAS/CEC: Convert to DEFINE_SHOW_ATTRIBUTE
Date: Sat, 19 Sep 2020 09:22:52 +0800 [thread overview]
Message-ID: <20200919012252.171437-1-miaoqinglang@huawei.com> (raw)
Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
---
v2: based on linux-next(20200917), and can be applied to
mainline cleanly now.
drivers/ras/cec.c | 17 +++--------------
1 file changed, 3 insertions(+), 14 deletions(-)
diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c
index 6939aa5b3..ddecf25b5 100644
--- a/drivers/ras/cec.c
+++ b/drivers/ras/cec.c
@@ -435,7 +435,7 @@ DEFINE_DEBUGFS_ATTRIBUTE(action_threshold_ops, u64_get, action_threshold_set, "%
static const char * const bins[] = { "00", "01", "10", "11" };
-static int array_dump(struct seq_file *m, void *v)
+static int array_show(struct seq_file *m, void *v)
{
struct ce_array *ca = &ce_arr;
int i;
@@ -467,18 +467,7 @@ static int array_dump(struct seq_file *m, void *v)
return 0;
}
-static int array_open(struct inode *inode, struct file *filp)
-{
- return single_open(filp, array_dump, NULL);
-}
-
-static const struct file_operations array_ops = {
- .owner = THIS_MODULE,
- .open = array_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(array);
static int __init create_debugfs_nodes(void)
{
@@ -513,7 +502,7 @@ static int __init create_debugfs_nodes(void)
goto err;
}
- array = debugfs_create_file("array", S_IRUSR, d, NULL, &array_ops);
+ array = debugfs_create_file("array", S_IRUSR, d, NULL, &array_fops);
if (!array) {
pr_warn("Error creating array debugfs node!\n");
goto err;
--
2.23.0
reply other threads:[~2020-09-19 1:22 UTC|newest]
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