On Fri, 31 May 2013, Takashi Iwai wrote: > > struct snd_card contains pointers to two different devices: dev and > > card_dev. Some contexts might want to use one of them for log messages > > while other contexts might want to use the other. > > Yes, there are some corner cases, indeed. > > Also, another expected problem is that neither card->card_dev nor > card->dev are set when snd_card_err() is called. Many drivers set the > device pointers at the late stage just before the device > registration. So, systematic replacements won't work as expected in > many cases. (The same is applied for replacement with dev_*(), too.)
Given that the drivers would have to be edited to fix up the snd_printk calls, the device pointer assignments can be moved to an earlier stage at the same time. But doing this would require understanding how the driver works to some extent; it couldn't be done blindly. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
