Wolfram,
Phil email address was not valid anymore, so could you Wolfram, as a I2C
subsystem maintainer, look and comment that. The fact is that my driver
has a 3.12 regression and I want to know where it is coming from to make
decision what to do!
regards
Antti
On 21.10.2013 23:20, Antti Palosaari wrote:
Hello Phil and Wolfram,
I found one of my drivers was crashing when DTV USB stick was plugged.
Patch in that mail patch fixes the problem.
I quickly looked possible I2C patches causing the problem and saw that
one as most suspicions:
commit 3923172b3d700486c1ca24df9c4c5405a83e2309
i2c: reduce parent checking to a NOOP in non-I2C_MUX case
My config has no CONFIG_I2C_MUX set currently, but I am not sure how it
has been earlier.
Any idea?
regards
Antti
On 21.10.2013 23:12, Antti Palosaari wrote:
i2c i2c-6: adapter [RTL2830 tuner I2C adapter] registered
BUG: unable to handle kernel NULL pointer dereference at 0000000000000220
IP: [<ffffffffa0002900>] i2c_register_adapter+0x130/0x390 [i2c_core]
Signed-off-by: Antti Palosaari <cr...@iki.fi>
---
drivers/media/dvb-frontends/rtl2830.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/media/dvb-frontends/rtl2830.c
b/drivers/media/dvb-frontends/rtl2830.c
index 362d26d..68ee70b 100644
--- a/drivers/media/dvb-frontends/rtl2830.c
+++ b/drivers/media/dvb-frontends/rtl2830.c
@@ -700,6 +700,7 @@ struct dvb_frontend *rtl2830_attach(const struct
rtl2830_config *cfg,
sizeof(priv->tuner_i2c_adapter.name));
priv->tuner_i2c_adapter.algo = &rtl2830_tuner_i2c_algo;
priv->tuner_i2c_adapter.algo_data = NULL;
+ priv->tuner_i2c_adapter.dev.parent = &i2c->dev;
i2c_set_adapdata(&priv->tuner_i2c_adapter, priv);
if (i2c_add_adapter(&priv->tuner_i2c_adapter) < 0) {
dev_err(&i2c->dev,
--
http://palosaari.fi/
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