Re: [mtd:spi-mem-ecc 30/30] ld.lld: error: undefined symbol: nand_ecc_unregister_on_host_hw_engine

Mark Brown
2022-02-02T16:15:39Z

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On Wed, Feb 02, 2022 at 04:34:52PM +0100, Miquel Raynal wrote:
> > On Wed, Feb 02, 2022 at 03:45:04PM +0100, Miquel Raynal wrote:

> > > I've failed to prevent faulty configurations with regular depends
> > > on/select keywords, so I've come with a new solution which received a
> > > successful build coverage test from the 0-day robots.

> > > In order to still be able to use the spi controller driver (=y) while
> > > mtd is =m or =n, I need to add an IS_REACHABLE() check in a couple of
> > > headers. This way we can just imply the right MTD symbols from the
> > > SPI_MXIC Kconfig entry.

> > Isn't this just a case where we shouldn't allow MTD to be built modular?

> How would you do that in a nice Kconfig way?

depends on MTD=y if SPI_MXC=y

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