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Thu, 11 Apr 2024 08:35:12 -0700 (PDT) Received: from localhost.localdomain ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id jc25-20020a056638891900b0047f14b7f6c0sm457056jab.5.2024.04.11.08.35.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Apr 2024 08:35:10 -0700 (PDT) From: Jens Axboe To: linux-kernel@vger.kernel.org Cc: Jens Axboe Subject: [PATCH 125/437] firmware: cirrus: convert to read/write iterators Date: Thu, 11 Apr 2024 09:14:25 -0600 Message-ID: <20240411153126.16201-126-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/firmware/cirrus/cs_dsp.c | 26 ++++++++++---------------- 1 file changed, 10 insertions(+), 16 deletions(-) diff --git a/drivers/firmware/cirrus/cs_dsp.c b/drivers/firmware/cirrus/cs_= dsp.c index 9f3d665cfdcf..80a2cba021d1 100644 --- a/drivers/firmware/cirrus/cs_dsp.c +++ b/drivers/firmware/cirrus/cs_dsp.c @@ -398,11 +398,9 @@ static void cs_dsp_debugfs_clear(struct cs_dsp *dsp) dsp->bin_file_name =3D NULL; } =20 -static ssize_t cs_dsp_debugfs_wmfw_read(struct file *file, - char __user *user_buf, - size_t count, loff_t *ppos) +static ssize_t cs_dsp_debugfs_wmfw_read(struct kiocb *iocb, struct iov_ite= r *to) { - struct cs_dsp *dsp =3D file->private_data; + struct cs_dsp *dsp =3D iocb->ki_filp->private_data; ssize_t ret; =20 mutex_lock(&dsp->pwr_lock); @@ -410,19 +408,16 @@ static ssize_t cs_dsp_debugfs_wmfw_read(struct file *= file, if (!dsp->wmfw_file_name || !dsp->booted) ret =3D 0; else - ret =3D simple_read_from_buffer(user_buf, count, ppos, - dsp->wmfw_file_name, - strlen(dsp->wmfw_file_name)); + ret =3D simple_copy_to_iter(dsp->wmfw_file_name, &iocb->ki_pos, + strlen(dsp->wmfw_file_name), to); =20 mutex_unlock(&dsp->pwr_lock); return ret; } =20 -static ssize_t cs_dsp_debugfs_bin_read(struct file *file, - char __user *user_buf, - size_t count, loff_t *ppos) +static ssize_t cs_dsp_debugfs_bin_read(struct kiocb *iocb, struct iov_iter= *to) { - struct cs_dsp *dsp =3D file->private_data; + struct cs_dsp *dsp =3D iocb->ki_filp->private_data; ssize_t ret; =20 mutex_lock(&dsp->pwr_lock); @@ -430,9 +425,8 @@ static ssize_t cs_dsp_debugfs_bin_read(struct file *fil= e, if (!dsp->bin_file_name || !dsp->booted) ret =3D 0; else - ret =3D simple_read_from_buffer(user_buf, count, ppos, - dsp->bin_file_name, - strlen(dsp->bin_file_name)); + ret =3D simple_copy_to_iter(dsp->bin_file_name, &iocb->ki_pos, + strlen(dsp->bin_file_name), to); =20 mutex_unlock(&dsp->pwr_lock); return ret; @@ -446,14 +440,14 @@ static const struct { .name =3D "wmfw_file_name", .fops =3D { .open =3D simple_open, - .read =3D cs_dsp_debugfs_wmfw_read, + .read_iter =3D cs_dsp_debugfs_wmfw_read, }, }, { .name =3D "bin_file_name", .fops =3D { .open =3D simple_open, - .read =3D cs_dsp_debugfs_bin_read, + .read_iter =3D cs_dsp_debugfs_bin_read, }, }, }; --=20 2.43.0