spi: sirf: correct TXFIFO empty interrupt status bit

the old code uses wrong marco - SIRFSOC_SPI_FIFO_FULL is not for
FIFO interrupt status, it is for FIFO status. here in the ISR,
SIRFSOC_SPI_TXFIFO_EMPTY is the right bit for SPI TXFIFO interrupt
status.

Signed-off-by: Qipan Li <Qipan.Li@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/spi/spi-sirf.c b/drivers/spi/spi-sirf.c
index 1a77ad52812f..51d7c988d3ae 100644
--- a/drivers/spi/spi-sirf.c
+++ b/drivers/spi/spi-sirf.c
@@ -287,8 +287,8 @@ static irqreturn_t spi_sirfsoc_irq(int irq, void *dev_id)
                                 sspi->left_rx_word)
                         sspi->rx_word(sspi);
 
-        if (spi_stat & (SIRFSOC_SPI_FIFO_EMPTY
-                        | SIRFSOC_SPI_TXFIFO_THD_REACH))
+        if (spi_stat & (SIRFSOC_SPI_TXFIFO_EMPTY |
+                        SIRFSOC_SPI_TXFIFO_THD_REACH))
                 while (!((readl(sspi->base + SIRFSOC_SPI_TXFIFO_STATUS)
                                 & SIRFSOC_SPI_FIFO_FULL)) &&
                                 sspi->left_tx_word)