> The only thing I noticed is that it is causing some warnings at
> dmesg about trying to create already created sysfs nodes, when the
> driver is removed/reinserted.
>
> Probably, the remove callback is called too soon or too late.
I don't have any warnings in syslog when reinserting earth-pt3 + tc90522,
but I'll look into it.
> -struct dvb_frontend *mb86a20s_attach(const struct mb86a20s_config *config,
> - struct i2c_adapter *i2c)
> +static int mb86a20s_probe(struct i2c_client *i2c,
> + const struct i2c_device_id *id)
> {
> + struct dvb_frontend *fe;
> struct mb86a20s_state *state;
> u8 rev;
>
> dev_dbg(&i2c->dev, "%s called.\n", __func__);
>
> - /* allocate memory for the internal state */
> - state = kzalloc(sizeof(struct mb86a20s_state), GFP_KERNEL);
> - if (state == NULL) {
> - dev_err(&i2c->dev,
> - "%s: unable to allocate memory for state\n", __func__);
> - goto error;
> - }
> + fe = i2c_get_clientdata(i2c);
> + state = fe->demodulator_priv;
>
> /* setup the state */
> - state->config = config;
> + memcpy(&state->config, i2c->dev.platform_data, sizeof(state->config));
> state->i2c = i2c;
>
> /* create dvb_frontend */
> - memcpy(&state->frontend.ops, &mb86a20s_ops,
> + memcpy(&fe->ops, &mb86a20s_ops,
> sizeof(struct dvb_frontend_ops));
btw,
we can go with "mb86a20s_param = { .ops.fe_ops = &mb86a20s_ops,}" insead.
--
regards,
akihiro
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