On Fri, Dec 22, 2017 at 03:41:24PM +0100, H. Nikolaus Schaller wrote: > > > Am 22.12.2017 um 13:51 schrieb Johan Hovold <johan@xxxxxxxxxx>: > > > > On Fri, Dec 01, 2017 at 08:49:38AM +0100, H. Nikolaus Schaller wrote: > >> This allows to set CONFIG_W2SG0004_DEBUG which will > >> make the driver report more activities and it will turn on the > >> GPS module during boot while the driver assumes that it > >> is off. This can be used to debug the correct functioning of > >> the hardware. Therefore we add it as an option to the driver > >> because we think it is of general use (and a little tricky to > >> add by system testers). > >> > >> Normally it should be off. > >> > >> Signed-off-by: H. Nikolaus Schaller <hns@xxxxxxxxxxxxx> > >> --- > >> drivers/misc/Kconfig | 8 ++++++++ > >> drivers/misc/w2sg0004.c | 37 +++++++++++++++++++++++++++++++++++++ > >> 2 files changed, 45 insertions(+) > > > > I'd say say this does not belong in the kernel at all. > > There are other examples of such DEBUG options for drivers. > E.g. CONFIG_LIBERTAS_DEBUG. And that is wrong and should be removed. > It helps the hardware developer to test things and should of course > be disabled in a production kernel. dev_dbg() should be used instead. And you can always hard-code #define DEBUG at the top of your file when doing bringup. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
