On Fri, Mar 29, 2013 at 08:46:39PM +0100, Jean Delvare wrote: > Hi all, > > In September 2009, a driver for the GPIO function of the UCB1400 chip > was added to the kernel tree. The probe function of this driver requires > ucbdata to be set. The only place where this happens is in function > ucb1400_gpio_set_data(). This function was never call, and still isn't. > So this is dead code for 3.5 years as far as the upstream kernel is > concerned. > > To make things worse, this driver can't be built as a module, for no > good reason that I can see. > > Marek, can you explain what was the point of submitting this driver that > nobody can use? > > I would like either this driver to be fixed so that it can be used (and > that would IMHO start with dropping the ugly ucb1400_gpio_set_data hook > and global variable ucbdata), or this driver to be dropped from the > kernel tree. If the driver is kept, it should be adjusted so that it can > be built as a module. > > If I overlooked something, please let me know. > Interestingly, the author made an attempt to fix that with [1]. It looks like the rest of that series was merged, but this patch wasn't, though I don't find any information about the reason.
Guenter [1] http://lists.infradead.org/pipermail/linux-arm-kernel/2010-October/028656.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/