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media: cx231xx: only unregister successfully registered i2c adapters 

This prevents potentially scary debug messages from the i2c core.

Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Peter Rosin 2017-07-31 09:38:52 -04:00 committed by Mauro Carvalho Chehab
parent 65058214f5
commit 8e2803ffd6
2 changed files with 5 additions and 1 deletions
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3
drivers/media/usb/cx231xx/cx231xx-core.c
View File

@ -1311,6 +1311,7 @@ int cx231xx_dev_init(struct cx231xx *dev)
dev->i2c_bus[0].i2c_period = I2C_SPEED_100K; /* 100 KHz */
dev->i2c_bus[0].i2c_nostop = 0;
dev->i2c_bus[0].i2c_reserve = 0;
dev->i2c_bus[0].i2c_rc = -ENODEV;
/* External Master 2 Bus */
dev->i2c_bus[1].nr = 1;
@ -1318,6 +1319,7 @@ int cx231xx_dev_init(struct cx231xx *dev)
dev->i2c_bus[1].i2c_period = I2C_SPEED_100K; /* 100 KHz */
dev->i2c_bus[1].i2c_nostop = 0;
dev->i2c_bus[1].i2c_reserve = 0;
dev->i2c_bus[1].i2c_rc = -ENODEV;
/* Internal Master 3 Bus */
dev->i2c_bus[2].nr = 2;
@ -1325,6 +1327,7 @@ int cx231xx_dev_init(struct cx231xx *dev)
dev->i2c_bus[2].i2c_period = I2C_SPEED_100K; /* 100kHz */
dev->i2c_bus[2].i2c_nostop = 0;
dev->i2c_bus[2].i2c_reserve = 0;
dev->i2c_bus[2].i2c_rc = -ENODEV;
/* register I2C buses */
errCode = cx231xx_i2c_register(&dev->i2c_bus[0]);

3
drivers/media/usb/cx231xx/cx231xx-i2c.c
View File

@ -553,7 +553,8 @@ int cx231xx_i2c_register(struct cx231xx_i2c *bus)
*/
void cx231xx_i2c_unregister(struct cx231xx_i2c *bus)
{
i2c_del_adapter(&bus->i2c_adap);
if (!bus->i2c_rc)
i2c_del_adapter(&bus->i2c_adap);
}
/*