linux-kernel - [PATCH 4.19 104/113] fpga-manager: altera-ps-spi: Fix build error

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Message-Id: <20190729190720.313071536@linuxfoundation.org>
Date:   Mon, 29 Jul 2019 21:23:11 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hulk Robot <hulkci@...wei.com>,
        YueHaibing <yuehaibing@...wei.com>,
        Moritz Fischer <mdf@...nel.org>
Subject: [PATCH 4.19 104/113] fpga-manager: altera-ps-spi: Fix build error

From: YueHaibing <yuehaibing@...wei.com>

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@...wei.com>
Fixes: fcfe18f885f6 ("fpga-manager: altera-ps-spi: use bitrev8x4")
Signed-off-by: YueHaibing <yuehaibing@...wei.com>
Cc: stable <stable@...r.kernel.org>
Acked-by: Moritz Fischer <mdf@...nel.org>
Link: https://lore.kernel.org/r/20190708071356.50928-1-yuehaibing@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/fpga/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/fpga/Kconfig
+++ b/drivers/fpga/Kconfig
@@ -39,6 +39,7 @@ 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.