mach-u300: set apropriate FIFO trigger levels

The U300 just defined the fill level limits for the FIFOs to
1 item out of habit. It can easily handle four.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/arch/arm/mach-u300/spi.c b/arch/arm/mach-u300/spi.c
index 5767208..7b597e2 100644 (file)
--- a/arch/arm/mach-u300/spi.c
+++ b/arch/arm/mach-u300/spi.c
@@ -40,8 +40,8 @@ struct pl022_config_chip dummy_chip_info = {
        .hierarchy = SSP_MASTER,
        /* 0 = drive TX even as slave, 1 = do not drive TX as slave */
        .slave_tx_disable = 0,
-       .rx_lev_trig = SSP_RX_1_OR_MORE_ELEM,
-       .tx_lev_trig = SSP_TX_1_OR_MORE_EMPTY_LOC,
+       .rx_lev_trig = SSP_RX_4_OR_MORE_ELEM,
+       .tx_lev_trig = SSP_TX_4_OR_MORE_EMPTY_LOC,
        .ctrl_len = SSP_BITS_12,
        .wait_state = SSP_MWIRE_WAIT_ZERO,
        .duplex = SSP_MICROWIRE_CHANNEL_FULL_DUPLEX,