From: YueHaibing <yuehaibing@xxxxxxxxxx>
commit 3d139703d397f6281368047ba7ad1c8bf95aa8ab upstream.
If BITREVERSE is m and FPGA_MGR_ALTERA_PS_SPI is y,
build fails:
drivers/fpga/altera-ps-spi.o: In function `altera_ps_write':
altera-ps-spi.c:(.text+0x4ec): undefined reference to `byte_rev_table'
Select BITREVERSE to fix this.
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Fixes: fcfe18f885f6 ("fpga-manager: altera-ps-spi: use bitrev8x4")
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
Cc: stable <stable@xxxxxxxxxxxxxxx>
Acked-by: Moritz Fischer <mdf@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20190708071356.50928-1-yuehaibing@xxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/fpga/Kconfig | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/fpga/Kconfig
+++ b/drivers/fpga/Kconfig
@@ -40,6 +40,7 @@ config ALTERA_PR_IP_CORE_PLAT
config FPGA_MGR_ALTERA_PS_SPI
tristate "Altera FPGA Passive Serial over SPI"
depends on SPI
+ select BITREVERSE
help
FPGA manager driver support for Altera Arria/Cyclone/Stratix
using the passive serial interface over SPI.
