On Thu, Jun 26, 2014 at 10:49:17AM +0200, Holger Schurig wrote: > Compiling the tree with allyesconfig is helpful because different > compilers (gcc, clang) or static checkers (e.g. clang's scan-build) > can then process and check more code. > > This patch introduces two new configuration symbols that Kconfig files > can depend on. That way, code that is only working where a cache or DMA > implementation exists can be opted out. > > Signed-off-by: Holger Schurig <holgerschurig@xxxxxxxxx> > --- > common/Kconfig | 21 +++++++++++++++++++++ > drivers/ata/Kconfig | 1 + > drivers/input/Kconfig | 2 +- > drivers/net/Kconfig | 4 ++++ > drivers/regulator/Kconfig | 1 + > drivers/usb/host/Kconfig | 1 + > drivers/video/imx-ipu-v3/Kconfig | 1 + > 7 files changed, 30 insertions(+), 1 deletion(-) > > diff --git a/common/Kconfig b/common/Kconfig > index 1afee93..0bf5d2c 100644 > --- a/common/Kconfig > +++ b/common/Kconfig > @@ -25,6 +25,26 @@ config ENV_HANDLING > select CRC32 > bool > > +config HAS_CACHE > + bool > + default n if SANDBOX > + default y > + help > + This allows you do run "make ARCH=sandbox allyesconfig". > + > + Drivers that depend on a cache implementation can depend on this > + config, so that you don't get a compilation error. > + > +config HAS_DMA > + bool > + default n if SANDBOX > + default y > + help > + This allows you do run "make ARCH=sandbox allyesconfig". > + > + Drivers that depend on a DMA implementation can depend on this > + config, so that you don't get a compilation error. Only ARM implements the dma_* functions. Can we skip the 'default x' here and select HAS_DMA from the ARM Kconfig file? Same with HAS_CACHE. The functions are implemented by ppc, nios2 and openrisc. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
