From: Arnd Bergmann Date: Mon, 10 Dec 2018 20:38:16 +0000 (+0100) Subject: mtd: atmel-quadspi: disallow building on ebsa110 X-Git-Tag: for-4.21~56^2^3 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=2a9d92fb3a1282a4659f1bb6d5684018846537b7;p=uclinux-h8%2Flinux.git mtd: atmel-quadspi: disallow building on ebsa110 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") Signed-off-by: Arnd Bergmann Reviewed-by: Boris Brezillon Signed-off-by: Mark Brown Cc: stable@vger.kernel.org --- diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index ca68ac63c6c3..3135f80ec853 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.