From: Randy Dunlap <[email protected]> Fix build errors when CONFIG_HWSPINLOCK=m and SPI_SPRD_ADI=y. That combination is not allowed.
drivers/spi/spi-sprd-adi.o: In function `sprd_adi_remove': spi-sprd-adi.c:(.text+0x13): undefined reference to `hwspin_lock_free' drivers/spi/spi-sprd-adi.o: In function `sprd_adi_probe': spi-sprd-adi.c:(.text+0xf5): undefined reference to `of_hwspin_lock_get_id' spi-sprd-adi.c:(.text+0x107): undefined reference to `hwspin_lock_request_specific' spi-sprd-adi.c:(.text+0x22e): undefined reference to `hwspin_lock_free' drivers/spi/spi-sprd-adi.o: In function `sprd_adi_transfer_one': spi-sprd-adi.c:(.text+0x2eb): undefined reference to `__hwspin_lock_timeout' spi-sprd-adi.c:(.text+0x349): undefined reference to `__hwspin_unlock' spi-sprd-adi.c:(.text+0x389): undefined reference to `__hwspin_lock_timeout' spi-sprd-adi.c:(.text+0x3ee): undefined reference to `__hwspin_unlock' v2: allow build with or without HWSPINLOCK, but restrict to =m if HWSPINLOCK=m. Signed-off-by: Randy Dunlap <[email protected]> Cc: Baolin Wang <[email protected]> Cc: Mark Brown <[email protected]> Cc: [email protected] --- drivers/spi/Kconfig | 1 + 1 file changed, 1 insertion(+) --- linux-next-20170921.orig/drivers/spi/Kconfig +++ linux-next-20170921/drivers/spi/Kconfig @@ -625,6 +625,7 @@ config SPI_SIRF config SPI_SPRD_ADI tristate "Spreadtrum ADI controller" depends on ARCH_SPRD || COMPILE_TEST + depends on HWSPINLOCK || HWSPINLOCK=n help ADI driver based on SPI for Spreadtrum SoCs.
