提交 7646b9de 编写于 作者: M Martin Samek 提交者: Mauro Carvalho Chehab

V4L/DVB (13079): dib0700: fixed xc2028 firmware loading kernel oops

Fixing kernel oops when driver attemps to load xc2028 firmware.

Note by djh: the patch contribute by Martin is a port of a fix I made during
the PCTV 340e development.  It's a temporary workaround that fixes a regression
(an OOPS condition) and the real fix should be in the code that manages the
i2c master on the dib7000p.  But this fix does address the immmediate
regression and should be merged upstream until we do a cleaner fix.
Signed-off-by: NMartin Samek <martin@marsark.sytes.net>
Signed-off-by: NDevin Heitmueller <dheitmueller@kernellabs.com>
CC: stable@kernel.org
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>
上级 1e13c8f0
......@@ -1375,6 +1375,11 @@ struct dvb_frontend * dib7000p_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr,
if (dib7000p_identify(st) != 0)
goto error;
/* FIXME: make sure the dev.parent field is initialized, or else
request_firmware() will hit an OOPS (this should be moved somewhere
more common) */
st->i2c_master.gated_tuner_i2c_adap.dev.parent = i2c_adap->dev.parent;
dibx000_init_i2c_master(&st->i2c_master, DIB7000P, st->i2c_adap, st->i2c_addr);
dib7000p_demod_reset(st);
......
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