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 <[email protected]>
Fixes: fcfe18f885f6 ("fpga-manager: altera-ps-spi: use bitrev8x4")
Signed-off-by: YueHaibing <[email protected]>
---
 drivers/fpga/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/fpga/Kconfig b/drivers/fpga/Kconfig
index 474f304..cdd4f73 100644
--- 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.
-- 
2.7.4


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