From: Randy Dunlap <rdun...@infradead.org>
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 <rdun...@infradead.org>
Cc: Baolin Wang <baolin.w...@spreadtrum.com>
Cc: Mark Brown <broo...@kernel.org>
Cc: linux-...@vger.kernel.org
---
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.
