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Thu, 11 Apr 2024 08:42:56 -0700 (PDT) Received: from localhost.localdomain ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id jc25-20020a056638891900b0047f14b7f6c0sm457056jab.5.2024.04.11.08.42.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Apr 2024 08:42:55 -0700 (PDT) From: Jens Axboe To: linux-kernel@vger.kernel.org Cc: Krzysztof Kanas , Jens Axboe Subject: [PATCH 403/437] drivers/media/platform/mediatek/vcodec: convert to read/write iterators Date: Thu, 11 Apr 2024 09:19:03 -0600 Message-ID: <20240411153126.16201-404-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" From: Krzysztof Kanas Signed-off-by: Krzysztof Kanas [axboe: fold in patch for killing FOPS helpers] Signed-off-by: Jens Axboe --- .../mediatek/vcodec/common/mtk_vcodec_dbgfs.c | 21 +++++++++---------- 1 file changed, 10 insertions(+), 11 deletions(-) diff --git a/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_dbgfs= .c b/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_dbgfs.c index 5ad3797836db..b8e4779b32d2 100644 --- a/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_dbgfs.c +++ b/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_dbgfs.c @@ -70,15 +70,15 @@ static void mtk_vdec_dbgfs_get_help(char *buf, int *use= d, int total) *used +=3D curr_len; } =20 -static ssize_t mtk_vdec_dbgfs_write(struct file *filp, const char __user *= ubuf, - size_t count, loff_t *ppos) +static ssize_t mtk_vdec_dbgfs_write(struct kiocb *iocb, struct iov_iter *f= rom) { - struct mtk_vcodec_dec_dev *vcodec_dev =3D filp->private_data; + struct mtk_vcodec_dec_dev *vcodec_dev =3D iocb->ki_filp->private_data; struct mtk_vcodec_dbgfs *dbgfs =3D &vcodec_dev->dbgfs; + size_t count =3D iov_iter_count(from); =20 mutex_lock(&dbgfs->dbgfs_lock); - dbgfs->buf_size =3D simple_write_to_buffer(dbgfs->dbgfs_buf, sizeof(dbgfs= ->dbgfs_buf), - ppos, ubuf, count); + dbgfs->buf_size =3D simple_copy_to_iter(dbgfs->dbgfs_buf, &iocb->ki_pos, + sizeof(dbgfs->dbgfs_buf), from); mutex_unlock(&dbgfs->dbgfs_lock); if (dbgfs->buf_size > 0) return count; @@ -86,10 +86,9 @@ static ssize_t mtk_vdec_dbgfs_write(struct file *filp, c= onst char __user *ubuf, return dbgfs->buf_size; } =20 -static ssize_t mtk_vdec_dbgfs_read(struct file *filp, char __user *ubuf, - size_t count, loff_t *ppos) +static ssize_t mtk_vdec_dbgfs_read(struct kiocb *iocb, struct iov_iter *to) { - struct mtk_vcodec_dec_dev *vcodec_dev =3D filp->private_data; + struct mtk_vcodec_dec_dev *vcodec_dev =3D iocb->ki_filp->private_data; struct mtk_vcodec_dbgfs *dbgfs =3D &vcodec_dev->dbgfs; struct mtk_vcodec_dbgfs_inst *dbgfs_inst; struct mtk_vcodec_dec_ctx *ctx; @@ -133,15 +132,15 @@ static ssize_t mtk_vdec_dbgfs_read(struct file *filp,= char __user *ubuf, } mutex_unlock(&dbgfs->dbgfs_lock); read_buffer: - ret =3D simple_read_from_buffer(ubuf, count, ppos, buf, used_len); + ret =3D simple_copy_to_iter(buf, &iocb->ki_pos, used_len, to); kfree(buf); return ret; } =20 static const struct file_operations vdec_fops =3D { .open =3D simple_open, - .write =3D mtk_vdec_dbgfs_write, - .read =3D mtk_vdec_dbgfs_read, + .write_iter =3D mtk_vdec_dbgfs_write, + .read_iter =3D mtk_vdec_dbgfs_read, }; =20 void mtk_vcodec_dbgfs_create(struct mtk_vcodec_dec_ctx *ctx) --=20 2.43.0