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V4L/DVB (4432): Fix Circular dependencies 

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Manu Abraham 2006-08-08 15:48:08 -03:00 committed by Mauro Carvalho Chehab
parent e4a49d76ca
commit bbdd11fa95
4 changed files with 24 additions and 9 deletions
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14
drivers/media/dvb/bt8xx/dst.c
View File

@ -1715,6 +1715,15 @@ static int dst_get_frontend(struct dvb_frontend *fe, struct dvb_frontend_paramet
static void dst_release(struct dvb_frontend *fe)
{
struct dst_state *state = fe->demodulator_priv;
if (state->dst_ca) {
dvb_unregister_device(state->dst_ca);
#ifdef CONFIG_DVB_CORE_ATTACH
symbol_put(dst_ca_attach);
#endif
}
#ifdef CONFIG_DVB_CORE_ATTACH
symbol_put(dst_attach);
#endif
kfree(state);
}
@ -1752,11 +1761,6 @@ struct dst_state *dst_attach(struct dst_state *state, struct dvb_adapter *dvb_ad
}
state->frontend.demodulator_priv = state;
/* Attach other DST peripherals if any */
/* Conditional Access device */
if (state->dst_hw_cap & DST_TYPE_HAS_CA)
dst_ca_attach(state, dvb_adapter);
return state; /* Manu (DST is a card not a frontend) */
}

10
drivers/media/dvb/bt8xx/dst_ca.c
View File

@ -699,11 +699,17 @@ static struct dvb_device dvbdev_ca = {
.fops = &dst_ca_fops
};
void dst_ca_attach(struct dst_state *dst, struct dvb_adapter *dvb_adapter)
struct dvb_device *dst_ca_attach(struct dst_state *dst, struct dvb_adapter *dvb_adapter)
{
struct dvb_device *dvbdev;
dprintk(verbose, DST_CA_ERROR, 1, "registering DST-CA device");
dvb_register_device(dvb_adapter, &dvbdev, &dvbdev_ca, dst, DVB_DEVICE_CA);
if (dvb_register_device(dvb_adapter, &dvbdev, &dvbdev_ca, dst, DVB_DEVICE_CA) == 0) {
dst->dst_ca = dvbdev;
return dst->dst_ca;
}
return NULL;
}
EXPORT_SYMBOL(dst_ca_attach);

3
drivers/media/dvb/bt8xx/dst_common.h
View File

@ -140,6 +140,7 @@ struct dst_state {
char *tuner_name;
struct mutex dst_mutex;
u8 fw_name[8];
struct dvb_device *dst_ca;
};
struct tuner_types {
@ -178,7 +179,7 @@ int write_dst(struct dst_state *state, u8 * data, u8 len);
int read_dst(struct dst_state *state, u8 * ret, u8 len);
u8 dst_check_sum(u8 * buf, u32 len);
struct dst_state* dst_attach(struct dst_state* state, struct dvb_adapter *dvb_adapter);
void dst_ca_attach(struct dst_state *state, struct dvb_adapter *dvb_adapter);
struct dvb_device *dst_ca_attach(struct dst_state *state, struct dvb_adapter *dvb_adapter);
int dst_gpio_outb(struct dst_state* state, u32 mask, u32 enbb, u32 outhigh, int delay);
int dst_command(struct dst_state* state, u8 * data, u8 len);

6
drivers/media/dvb/bt8xx/dvb-bt8xx.c
View File

@ -669,13 +669,17 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
state->config = &dst_config;
state->i2c = card->i2c_adapter;
state->bt = card->bt;
state->dst_ca = NULL;
/* DST is not a frontend, attaching the ASIC */
if (dvb_attach(dst_attach, state, &card->dvb_adapter) == NULL) {
printk("%s: Could not find a Twinhan DST.\n", __FUNCTION__);
break;
}
/* Attach other DST peripherals if any */
/* Conditional Access device */
card->fe = &state->frontend;
if (state->dst_hw_cap & DST_TYPE_HAS_CA)
dvb_attach(dst_ca_attach, state, &card->dvb_adapter);
break;
case BTTV_BOARD_PINNACLESAT: