linux-kernel - [PATCH 151/437] drivers/clk: convert to read/write iterators

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Message-ID: <20240411153126.16201-152-axboe@kernel.dk>
Date: Thu, 11 Apr 2024 09:14:51 -0600
From: Jens Axboe <axboe@...nel.dk>
To: linux-kernel@...r.kernel.org
Cc: Jens Axboe <axboe@...nel.dk>
Subject: [PATCH 151/437] drivers/clk: convert to read/write iterators

Signed-off-by: Jens Axboe <axboe@...nel.dk>
---
 drivers/clk/clk.c                              | 11 +++++------
 drivers/clk/starfive/clk-starfive-jh7110-pll.c |  2 +-
 2 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 25371c91a58f..5a6371a9cad8 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -3539,16 +3539,15 @@ static int current_parent_show(struct seq_file *s, void *data)
 DEFINE_SHOW_ATTRIBUTE(current_parent);
 
 #ifdef CLOCK_ALLOW_WRITE_DEBUGFS
-static ssize_t current_parent_write(struct file *file, const char __user *ubuf,
-				    size_t count, loff_t *ppos)
+static ssize_t current_parent_write(struct kiocb *iocb, struct iov_iter *from)
 {
-	struct seq_file *s = file->private_data;
+	struct seq_file *s = iocb->ki_filp->private_data;
 	struct clk_core *core = s->private;
 	struct clk_core *parent;
 	u8 idx;
 	int err;
 
-	err = kstrtou8_from_user(ubuf, count, 0, &idx);
+	err = kstrtou8_from_iter(from, count, 0, &idx);
 	if (err < 0)
 		return err;
 
@@ -3567,8 +3566,8 @@ static ssize_t current_parent_write(struct file *file, const char __user *ubuf,
 
 static const struct file_operations current_parent_rw_fops = {
 	.open		= current_parent_open,
-	.write		= current_parent_write,
-	.read		= seq_read,
+	.write_iter	= current_parent_write,
+	.read_iter	= seq_read_iter,
 	.llseek		= seq_lseek,
 	.release	= single_release,
 };
diff --git a/drivers/clk/starfive/clk-starfive-jh7110-pll.c b/drivers/clk/starfive/clk-starfive-jh7110-pll.c
index 3598390e8fd0..1b00fdc92b17 100644
--- a/drivers/clk/starfive/clk-starfive-jh7110-pll.c
+++ b/drivers/clk/starfive/clk-starfive-jh7110-pll.c
@@ -420,7 +420,7 @@ static const struct file_operations jh7110_pll_registers_ops = {
 	.owner = THIS_MODULE,
 	.open = jh7110_pll_registers_open,
 	.release = single_release,
-	.read = seq_read,
+	.read_iter = seq_read_iter,
 	.llseek = seq_lseek
 };
 
-- 
2.43.0