diff options
Diffstat (limited to 'drivers/media/pci/mantis/mantis_i2c.c')
| -rw-r--r-- | drivers/media/pci/mantis/mantis_i2c.c | 40 |
1 files changed, 12 insertions, 28 deletions
diff --git a/drivers/media/pci/mantis/mantis_i2c.c b/drivers/media/pci/mantis/mantis_i2c.c index 895ddba3c0fb..4ff6022adc36 100644 --- a/drivers/media/pci/mantis/mantis_i2c.c +++ b/drivers/media/pci/mantis/mantis_i2c.c @@ -1,21 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* Mantis PCI bridge driver Copyright (C) Manu Abraham (abraham.manu@gmail.com) - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <asm/io.h> @@ -23,11 +11,11 @@ #include <linux/pci.h> #include <linux/i2c.h> -#include "dmxdev.h" -#include "dvbdev.h" -#include "dvb_demux.h" -#include "dvb_frontend.h" -#include "dvb_net.h" +#include <media/dmxdev.h> +#include <media/dvbdev.h> +#include <media/dvb_demux.h> +#include <media/dvb_frontend.h> +#include <media/dvb_net.h> #include "mantis_common.h" #include "mantis_reg.h" @@ -212,20 +200,20 @@ static u32 mantis_i2c_func(struct i2c_adapter *adapter) return I2C_FUNC_SMBUS_EMUL; } -static struct i2c_algorithm mantis_algo = { +static const struct i2c_algorithm mantis_algo = { .master_xfer = mantis_i2c_xfer, .functionality = mantis_i2c_func, }; int mantis_i2c_init(struct mantis_pci *mantis) { - u32 intstat, intmask; + u32 intstat; struct i2c_adapter *i2c_adapter = &mantis->adapter; struct pci_dev *pdev = mantis->pdev; init_waitqueue_head(&mantis->i2c_wq); mutex_init(&mantis->i2c_lock); - strncpy(i2c_adapter->name, "Mantis I2C", sizeof(i2c_adapter->name)); + strscpy(i2c_adapter->name, "Mantis I2C", sizeof(i2c_adapter->name)); i2c_set_adapdata(i2c_adapter, mantis); i2c_adapter->owner = THIS_MODULE; @@ -242,11 +230,10 @@ int mantis_i2c_init(struct mantis_pci *mantis) dprintk(MANTIS_DEBUG, 1, "Initializing I2C .."); intstat = mmread(MANTIS_INT_STAT); - intmask = mmread(MANTIS_INT_MASK); + mmread(MANTIS_INT_MASK); mmwrite(intstat, MANTIS_INT_STAT); dprintk(MANTIS_DEBUG, 1, "Disabling I2C interrupt"); - intmask = mmread(MANTIS_INT_MASK); - mmwrite((intmask & ~MANTIS_INT_I2CDONE), MANTIS_INT_MASK); + mantis_mask_ints(mantis, MANTIS_INT_I2CDONE); return 0; } @@ -254,11 +241,8 @@ EXPORT_SYMBOL_GPL(mantis_i2c_init); int mantis_i2c_exit(struct mantis_pci *mantis) { - u32 intmask; - dprintk(MANTIS_DEBUG, 1, "Disabling I2C interrupt"); - intmask = mmread(MANTIS_INT_MASK); - mmwrite((intmask & ~MANTIS_INT_I2CDONE), MANTIS_INT_MASK); + mantis_mask_ints(mantis, MANTIS_INT_I2CDONE); dprintk(MANTIS_DEBUG, 1, "Removing I2C adapter"); i2c_del_adapter(&mantis->adapter); |