linux-kernel - [PATCH -next] crypto: qat - convert to use DEFINE_SEQ

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Date:   Wed, 16 Sep 2020 10:50:17 +0800
From:   Liu Shixin <liushixin2@...wei.com>
To:     Giovanni Cabiddu <giovanni.cabiddu@...el.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S . Miller" <davem@...emloft.net>
CC:     <qat-linux@...el.com>, <linux-crypto@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Liu Shixin <liushixin2@...wei.com>
Subject: [PATCH -next] crypto: qat - convert to use DEFINE_SEQ_ATTRIBUTE macro

Use DEFINE_SEQ_ATTRIBUTE macro to simplify the code.

Signed-off-by: Liu Shixin <liushixin2@...wei.com>
---
 drivers/crypto/qat/qat_common/adf_cfg.c       | 19 +--------
 .../qat/qat_common/adf_transport_debug.c      | 42 ++-----------------
 2 files changed, 5 insertions(+), 56 deletions(-)

diff --git a/drivers/crypto/qat/qat_common/adf_cfg.c b/drivers/crypto/qat/qat_common/adf_cfg.c
index ac462796cefc..22ae32838113 100644
--- a/drivers/crypto/qat/qat_common/adf_cfg.c
+++ b/drivers/crypto/qat/qat_common/adf_cfg.c
@@ -52,24 +52,7 @@ static const struct seq_operations qat_dev_cfg_sops = {
 	.show = qat_dev_cfg_show
 };
 
-static int qat_dev_cfg_open(struct inode *inode, struct file *file)
-{
-	int ret = seq_open(file, &qat_dev_cfg_sops);
-
-	if (!ret) {
-		struct seq_file *seq_f = file->private_data;
-
-		seq_f->private = inode->i_private;
-	}
-	return ret;
-}
-
-static const struct file_operations qat_dev_cfg_fops = {
-	.open = qat_dev_cfg_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = seq_release
-};
+DEFINE_SEQ_ATTRIBUTE(qat_dev_cfg);
 
 /**
  * adf_cfg_dev_add() - Create an acceleration device configuration table.
diff --git a/drivers/crypto/qat/qat_common/adf_transport_debug.c b/drivers/crypto/qat/qat_common/adf_transport_debug.c
index 2a2eccbf56ec..dac25ba47260 100644
--- a/drivers/crypto/qat/qat_common/adf_transport_debug.c
+++ b/drivers/crypto/qat/qat_common/adf_transport_debug.c
@@ -77,31 +77,14 @@ static void adf_ring_stop(struct seq_file *sfile, void *v)
 	mutex_unlock(&ring_read_lock);
 }
 
-static const struct seq_operations adf_ring_sops = {
+static const struct seq_operations adf_ring_debug_sops = {
 	.start = adf_ring_start,
 	.next = adf_ring_next,
 	.stop = adf_ring_stop,
 	.show = adf_ring_show
 };
 
-static int adf_ring_open(struct inode *inode, struct file *file)
-{
-	int ret = seq_open(file, &adf_ring_sops);
-
-	if (!ret) {
-		struct seq_file *seq_f = file->private_data;
-
-		seq_f->private = inode->i_private;
-	}
-	return ret;
-}
-
-static const struct file_operations adf_ring_debug_fops = {
-	.open = adf_ring_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = seq_release
-};
+DEFINE_SEQ_ATTRIBUTE(adf_ring_debug);
 
 int adf_ring_debugfs_add(struct adf_etr_ring_data *ring, const char *name)
 {
@@ -188,31 +171,14 @@ static void adf_bank_stop(struct seq_file *sfile, void *v)
 	mutex_unlock(&bank_read_lock);
 }
 
-static const struct seq_operations adf_bank_sops = {
+static const struct seq_operations adf_bank_debug_sops = {
 	.start = adf_bank_start,
 	.next = adf_bank_next,
 	.stop = adf_bank_stop,
 	.show = adf_bank_show
 };
 
-static int adf_bank_open(struct inode *inode, struct file *file)
-{
-	int ret = seq_open(file, &adf_bank_sops);
-
-	if (!ret) {
-		struct seq_file *seq_f = file->private_data;
-
-		seq_f->private = inode->i_private;
-	}
-	return ret;
-}
-
-static const struct file_operations adf_bank_debug_fops = {
-	.open = adf_bank_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = seq_release
-};
+DEFINE_SEQ_ATTRIBUTE(adf_bank_debug);
 
 int adf_bank_debugfs_add(struct adf_etr_bank_data *bank)
 {
-- 
2.25.1