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Thu, 11 Apr 2024 08:35:42 -0700 (PDT) Received: from localhost.localdomain ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id jc25-20020a056638891900b0047f14b7f6c0sm457056jab.5.2024.04.11.08.35.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Apr 2024 08:35:39 -0700 (PDT) From: Jens Axboe To: linux-kernel@vger.kernel.org Cc: Jens Axboe Subject: [PATCH 144/437] drm/bridge: it6505: convert to read/write iterators Date: Thu, 11 Apr 2024 09:14:44 -0600 Message-ID: <20240411153126.16201-145-axboe@kernel.dk> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240411153126.16201-1-axboe@kernel.dk> References: <20240411153126.16201-1-axboe@kernel.dk> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Signed-off-by: Jens Axboe --- 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/i= te-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); } =20 -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 =3D file->private_data; + struct it6505 *it6505 =3D iocb->ki_filp->private_data; struct drm_display_mode *vid; u8 read_buf[READ_BUFFER_SIZE]; u8 *str =3D read_buf, *end =3D read_buf + READ_BUFFER_SIZE; - ssize_t ret, count; + ssize_t count; =20 if (!it6505) return -ENODEV; @@ -3243,9 +3243,7 @@ static ssize_t receive_timing_debugfs_show(struct fil= e *file, char __user *buf, vid->vtotal - vid->vsync_end); =20 count =3D str - read_buf; - ret =3D simple_read_from_buffer(buf, len, ppos, read_buf, count); - - return ret; + return simple_copy_to_iter(read_buf, &iocb->ki_pos, count, to); } =20 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 =3D { .owner =3D THIS_MODULE, .open =3D simple_open, - .read =3D receive_timing_debugfs_show, + .read_iter =3D receive_timing_debugfs_show, .llseek =3D default_llseek, }; =20 --=20 2.43.0