> -----Original Message----- > From: Arnd Bergmann [mailto:arnd@xxxxxxxx] > Sent: Wednesday, November 11, 2015 6:02 PM > To: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > Cc: Liu Hui-R64343; dmaengine@xxxxxxxxxxxxxxx; vinod.koul@xxxxxxxxx; > dan.j.williams@xxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx > Subject: Re: [PATCH 1/1] dmaengine: imx-sdma: remove __init annotation on > sdma_event_remap > > On Wednesday 11 November 2015 17:20:49 Jason Liu wrote: > > The sdma_probe function will call sdma_event_remap, but > > sdma_event_remap marked with the __init annotation which make the > > kbuild complains as the following log: > > > > WARNING: drivers/dma/built-in.o(.text+0x56fc): Section mismatch in > > reference from the function sdma_probe() to the function > > .init.text:sdma_event_remap() The function sdma_probe() references the > > function __init sdma_event_remap(). > > This is often because sdma_probe lacks a __init annotation or the > > annotation of sdma_event_remap is wrong. > > > > Remove the __init annotation on sdma_event_remap to kill this build > > warning > > > > Signed-off-by: Jason Liu <r64343@xxxxxxxxxxxxx> > > Cc: Vinod Koul <vinod.koul@xxxxxxxxx> > > Cc: Dan Williams <dan.j.williams@xxxxxxxxx> > > > > Looks good. I wonder why I have not caught this with the randconfig > builds yet. > > Acked-by: Arnd Bergmann <arnd@xxxxxxxx> > > One hint for the future: in the patch description, write less about the > kbuild warning and more about the actual impact of the bug (calling a > discarded function if the device gets unbound and rebound later, or if we > get deferred probing). Yes, that is true indeed. Thanks Arnd. > > Arnd -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html