On 14 October 2015 at 11:04, Javier Martinez Canillas <[email protected]> wrote: > The bcm47xxsflash driver uses the KSEG0ADDR() function to map an address > to a certain kernel segment. But that is only defined if the MIPS config > symbol is enabled. The driver does not have an explicit dependency on it > and relies on a transitive dependency relation: > > MTD_BCM47XXSFLASH -> BCMA_SFLASH -> BCMA_DRIVER_MIPS -> BCMA && MIPS > > But BCMA_SFLASH and BCMA_DRIVER_MIPS have only runtime and not buildtime > dependency with MIPS so can be changed to be built test using the config > COMPILE_TEST symbol. But that would make MTD_BCM47XXSFLASH be built with > MIPS not enabled and cause the following build error: > > drivers/mtd/devices//bcm47xxsflash.c: In function 'bcm47xxsflash_read': > drivers/mtd/devices//bcm47xxsflash.c:112:2: error: implicit declaration of > function 'KSEG0ADDR' [-Werror=implicit-function-declaration] > memcpy_fromio(buf, (void __iomem *)KSEG0ADDR(b47s->window + from),
I think we're not really supposed to use KSEG0ADDR anyway. What about replacing it with ioremap_nocache? Sorry for the late reply. -- 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/

