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Thu, 11 Apr 2024 08:36:32 -0700 (PDT) Received: from localhost.localdomain ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id jc25-20020a056638891900b0047f14b7f6c0sm457056jab.5.2024.04.11.08.36.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Apr 2024 08:36:30 -0700 (PDT) From: Jens Axboe To: linux-kernel@vger.kernel.org Cc: Jens Axboe Subject: [PATCH 173/437] usb: gadget: atmel_usba_udc: convert to read/write iterators Date: Thu, 11 Apr 2024 09:15:13 -0600 Message-ID: <20240411153126.16201-174-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/usb/gadget/udc/atmel_usba_udc.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/u= dc/atmel_usba_udc.c index b76885d78e8a..318e9152f295 100644 --- a/drivers/usb/gadget/udc/atmel_usba_udc.c +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c @@ -122,6 +122,7 @@ static ssize_t queue_dbg_read(struct file *file, char _= _user *buf, =20 return actual; } +FOPS_READ_ITER_HELPER(queue_dbg_read); =20 static int queue_dbg_release(struct inode *inode, struct file *file) { @@ -163,16 +164,14 @@ static int regs_dbg_open(struct inode *inode, struct = file *file) return ret; } =20 -static ssize_t regs_dbg_read(struct file *file, char __user *buf, - size_t nbytes, loff_t *ppos) +static ssize_t regs_dbg_read(struct kiocb *iocb, struct iov_iter *to) { - struct inode *inode =3D file_inode(file); + struct inode *inode =3D file_inode(iocb->ki_filp); int ret; =20 inode_lock(inode); - ret =3D simple_read_from_buffer(buf, nbytes, ppos, - file->private_data, - file_inode(file)->i_size); + ret =3D simple_copy_to_iter(iocb->ki_filp->private_data, &iocb->ki_pos, + file_inode(iocb->ki_filp)->i_size, to); inode_unlock(inode); =20 return ret; @@ -188,7 +187,7 @@ static const struct file_operations queue_dbg_fops =3D { .owner =3D THIS_MODULE, .open =3D queue_dbg_open, .llseek =3D no_llseek, - .read =3D queue_dbg_read, + .read_iter =3D queue_dbg_read_iter, .release =3D queue_dbg_release, }; =20 @@ -196,7 +195,7 @@ static const struct file_operations regs_dbg_fops =3D { .owner =3D THIS_MODULE, .open =3D regs_dbg_open, .llseek =3D generic_file_llseek, - .read =3D regs_dbg_read, + .read_iter =3D regs_dbg_read, .release =3D regs_dbg_release, }; =20 --=20 2.43.0