Hi Arnd, Should be prefixed with "spi: atmel-quadspi: " now ;-). On Mon, 10 Dec 2018 21:38:16 +0100 Arnd Bergmann <arnd@xxxxxxxx> wrote: > I ran into a link-time error with the atmel-quadspi driver on the > EBSA110 platform: > > drivers/mtd/built-in.o: In function `atmel_qspi_run_command': > :(.text+0x1ee3c): undefined reference to `_memcpy_toio' > :(.text+0x1ee48): undefined reference to `_memcpy_fromio' > > The problem is that _memcpy_toio/_memcpy_fromio are not available on > that platform, and we have to prevent building the driver there. > > In case we want to backport this to older kernels: between linux-4.8 > and linux-4.20, the Kconfig entry was in drivers/mtd/spi-nor/Kconfig > but had the same problem. > > Link: https://lore.kernel.org/patchwork/patch/812860/ > Fixes: 161aaab8a067 ("mtd: atmel-quadspi: add driver for Atmel QSPI controller") > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Reviewed-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxx> > --- > drivers/spi/Kconfig | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig > index 55d5ffb50750..9f89cb134549 100644 > --- a/drivers/spi/Kconfig > +++ b/drivers/spi/Kconfig > @@ -93,7 +93,7 @@ config SPI_AT91_USART > > config SPI_ATMEL_QUADSPI > tristate "Atmel Quad SPI Controller" > - depends on ARCH_AT91 || (ARM && COMPILE_TEST) > + depends on ARCH_AT91 || (ARM && COMPILE_TEST && !ARCH_EBSA110) > depends on OF && HAS_IOMEM > help > This enables support for the Quad SPI controller in master mode.
