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authorSven Schnelle <svens@stackframe.org>2012-07-26 14:31:40 +0200
committerPatrick Georgi <patrick@georgi-clan.de>2012-07-26 15:52:00 +0200
commit82704c63b98202fe2a24032697369cd190202d3f (patch)
treee1893f92423bd4e4c111fb57fe54429327dbf9cb /src/console
parent0b7b7b6334de592b82d36ee47bc25b1b72043681 (diff)
USBDEBUG: buffer up to 8 bytes
EHCI debug allows to send message with 8 bytes length, but we're only sending one byte in each transaction. Buffer up to 8 bytes to speed up debug output. Change-Id: I9dbb406833c4966c3afbd610e1b13a8fa3d62f39 Signed-off-by: Sven Schnelle <svens@stackframe.org> Reviewed-on: http://review.coreboot.org/1357 Tested-by: build bot (Jenkins) Reviewed-by: Nico Huber <nico.huber@secunet.com>
Diffstat (limited to 'src/console')
-rw-r--r--src/console/usbdebug_console.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/console/usbdebug_console.c b/src/console/usbdebug_console.c
index a624b9dd21..58a62b8e94 100644
--- a/src/console/usbdebug_console.c
+++ b/src/console/usbdebug_console.c
@@ -55,8 +55,7 @@ static void dbgp_init(void)
static void dbgp_tx_byte(unsigned char data)
{
- if (dbg_info.ehci_debug)
- dbgp_bulk_write_x(&dbg_info, (char*)&data, 1);
+ usbdebug_tx_byte(&dbg_info, data);
}
static unsigned char dbgp_rx_byte(void)
@@ -69,6 +68,11 @@ static unsigned char dbgp_rx_byte(void)
return data;
}
+static void dbgp_tx_flush(void)
+{
+ usbdebug_tx_flush(&dbg_info);
+}
+
static int dbgp_tst_byte(void)
{
return (int)dbg_info.ehci_debug;
@@ -77,6 +81,7 @@ static int dbgp_tst_byte(void)
static const struct console_driver usbdebug_direct_console __console = {
.init = dbgp_init,
.tx_byte = dbgp_tx_byte,
+ .tx_flush = dbgp_tx_flush,
.rx_byte = dbgp_rx_byte,
.tst_byte = dbgp_tst_byte,
};