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path: root/drivers/media/pci/ngene/ngene-i2c.c
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Diffstat (limited to 'drivers/media/pci/ngene/ngene-i2c.c')
-rw-r--r--drivers/media/pci/ngene/ngene-i2c.c31
1 files changed, 7 insertions, 24 deletions
diff --git a/drivers/media/pci/ngene/ngene-i2c.c b/drivers/media/pci/ngene/ngene-i2c.c
index d28554f8ce99..2e9e9774dc6f 100644
--- a/drivers/media/pci/ngene/ngene-i2c.c
+++ b/drivers/media/pci/ngene/ngene-i2c.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* ngene-i2c.c: nGene PCIe bridge driver i2c functions
*
@@ -7,24 +8,6 @@
* Modifications for new nGene firmware,
* support for EEPROM-copying,
* support for new dual DVB-S2 card prototype
- *
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 only, as published by the Free Software Foundation.
- *
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA
- * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
*/
/* FIXME - some of these can probably be removed */
@@ -122,7 +105,7 @@ static int ngene_i2c_master_xfer(struct i2c_adapter *adapter,
(struct ngene_channel *)i2c_get_adapdata(adapter);
struct ngene *dev = chan->dev;
- down(&dev->i2c_switch_mutex);
+ mutex_lock(&dev->i2c_switch_mutex);
ngene_i2c_set_bus(dev, chan->number);
if (num == 2 && msg[1].flags & I2C_M_RD && !(msg[0].flags & I2C_M_RD))
@@ -140,21 +123,21 @@ static int ngene_i2c_master_xfer(struct i2c_adapter *adapter,
msg[0].buf, msg[0].len, 0))
goto done;
- up(&dev->i2c_switch_mutex);
+ mutex_unlock(&dev->i2c_switch_mutex);
return -EIO;
done:
- up(&dev->i2c_switch_mutex);
+ mutex_unlock(&dev->i2c_switch_mutex);
return num;
}
static u32 ngene_i2c_functionality(struct i2c_adapter *adap)
{
- return I2C_FUNC_SMBUS_EMUL;
+ return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
}
-static struct i2c_algorithm ngene_i2c_algo = {
+static const struct i2c_algorithm ngene_i2c_algo = {
.master_xfer = ngene_i2c_master_xfer,
.functionality = ngene_i2c_functionality,
};
@@ -165,7 +148,7 @@ int ngene_i2c_init(struct ngene *dev, int dev_nr)
i2c_set_adapdata(adap, &(dev->channel[dev_nr]));
- strcpy(adap->name, "nGene");
+ strscpy(adap->name, "nGene", sizeof(adap->name));
adap->algo = &ngene_i2c_algo;
adap->algo_data = (void *)&(dev->channel[dev_nr]);