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[4/4] mach-u300: set apropriate FIFO trigger levels

Message ID 1308212094-22592-1-git-send-email-linus.walleij@stericsson.com
State Accepted
Headers show

Commit Message

Linus Walleij June 16, 2011, 8:14 a.m. UTC 
From: Linus Walleij <linus.walleij@linaro.org>

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>
---
 arch/arm/mach-u300/spi.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/arch/arm/mach-u300/spi.c b/arch/arm/mach-u300/spi.c
index 5767208..7b597e2 100644
--- 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,