spi/bcm63xx: don't substract prepend length from total length

The spi command must include the full message length including any
prepended writes, else transfers larger than 256 bytes will be
incomplete.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Acked-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org

1 files changed, 0 insertions, 2 deletions

diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c
index 80d56b214eb5..89331cd0ddaa 100644
--- a/drivers/spi/spi-bcm63xx.c
+++ b/drivers/spi/spi-bcm63xx.c
@@ -169,8 +169,6 @@ static int bcm63xx_txrx_bufs(struct spi_device *spi, struct spi_transfer *first,
                                transfer_list);
         }
 
-        len -= prepend_len;
-
         init_completion(&bs->done);
 
         /* Fill in the Message control register */