| From | Jens Axboe <> | Subject | [PATCH 144/437] drm/bridge: it6505: convert to read/write iterators | Date | Thu, 11 Apr 2024 09:14:44 -0600 |
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Signed-off-by: Jens Axboe <axboe@kernel.dk> --- drivers/gpu/drm/bridge/ite-it6505.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/bridge/ite-it6505.c b/drivers/gpu/drm/bridge/ite-it6505.c index 27334173e911..3f280f85d49d 100644 --- a/drivers/gpu/drm/bridge/ite-it6505.c +++ b/drivers/gpu/drm/bridge/ite-it6505.c @@ -3208,14 +3208,14 @@ static void it6505_parse_dt(struct it6505 *it6505) it6505->max_dpi_pixel_clock); } -static ssize_t receive_timing_debugfs_show(struct file *file, char __user *buf, - size_t len, loff_t *ppos) +static ssize_t receive_timing_debugfs_show(struct kiocb *iocb, + struct iov_iter *to) { - struct it6505 *it6505 = file->private_data; + struct it6505 *it6505 = iocb->ki_filp->private_data; struct drm_display_mode *vid; u8 read_buf[READ_BUFFER_SIZE]; u8 *str = read_buf, *end = read_buf + READ_BUFFER_SIZE; - ssize_t ret, count; + ssize_t count; if (!it6505) return -ENODEV; @@ -3243,9 +3243,7 @@ static ssize_t receive_timing_debugfs_show(struct file *file, char __user *buf, vid->vtotal - vid->vsync_end); count = str - read_buf; - ret = simple_read_from_buffer(buf, len, ppos, read_buf, count); - - return ret; + return simple_copy_to_iter(read_buf, &iocb->ki_pos, count, to); } static int force_power_on_off_debugfs_write(void *data, u64 value) @@ -3307,7 +3305,7 @@ static int enable_drv_hold_debugfs_write(void *data, u64 drv_hold) static const struct file_operations receive_timing_fops = { .owner = THIS_MODULE, .open = simple_open, - .read = receive_timing_debugfs_show, + .read_iter = receive_timing_debugfs_show, .llseek = default_llseek, }; -- 2.43.0
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