[PATCH 382/437] iio: gyro/adis16136: convert to read/write iterators

Jens Axboe
2024-04-11T15:42:24Z

drivers/iio/gyro/adis16136.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/iio/gyro/adis16136.c b/drivers/iio/gyro/adis16136.c
index c95cf41be34b..3fa17f582444 100644
--- a/drivers/iio/gyro/adis16136.c
+++ b/drivers/iio/gyro/adis16136.c
@@ -65,10 +65,9 @@ struct adis16136 {

#ifdef CONFIG_DEBUG_FS

-static ssize_t adis16136_show_serial(struct file *file,
- char __user *userbuf, size_t count, loff_t *ppos)
+static ssize_t adis16136_show_serial(struct kiocb *iocb, struct iov_iter *to)
{
- struct adis16136 *adis16136 = file->private_data;
+ struct adis16136 *adis16136 = iocb->ki_filp->private_data;
uint16_t lot1, lot2, lot3, serial;
char buf[20];
size_t len;
@@ -94,12 +93,12 @@ static ssize_t adis16136_show_serial(struct file *file,
len = snprintf(buf, sizeof(buf), "%.4x%.4x%.4x-%.4x\n", lot1, lot2,
lot3, serial);

- return simple_read_from_buffer(userbuf, count, ppos, buf, len);
+ return simple_copy_to_iter(buf, &iocb->ki_pos, len, to);
}

static const struct file_operations adis16136_serial_fops = {
.open = simple_open,
- .read = adis16136_show_serial,
+ .read_iter = adis16136_show_serial,
.llseek = default_llseek,