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

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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: Martin Samek <martin@marsark.sytes.net>
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
CC: stable@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Martin Samek 2009-09-30 22:59:09 -03:00 committed by Mauro Carvalho Chehab
parent 1e13c8f0c9
commit 7646b9de26
1 changed files with 5 additions and 0 deletions
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5
drivers/media/dvb/frontends/dib7000p.c
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@ -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);