linux-kernel - [RFC PATCH] tty: serial: uartlite: Extend time for sending chars through mdm IP

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Message-Id: <fec1c418d7d8933a9729ea1926c76e404f8c3020.1380541829.git.michal.simek@xilinx.com>
Date:	Mon, 30 Sep 2013 13:50:35 +0200
From:	Michal Simek <michal.simek@...inx.com>
To:	linux-kernel@...r.kernel.org
Cc:	Michal Simek <monstr@...str.eu>,
	Michal Simek <michal.simek@...inx.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-serial@...r.kernel.org, arnd@...db.de,
	Peter Korsgaard <jacmet@...site.dk>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	Jiri Slaby <jslaby@...e.cz>
Subject: [RFC PATCH] tty: serial: uartlite: Extend time for sending chars through mdm IP

From: Michal Simek <monstr@...str.eu>

Serial over jtag via mdm is compatible with uartlite driver
just need to extend time for reading chars because connection
is slow.

Signed-off-by: Michal Simek <michal.simek@...inx.com>
---
 drivers/tty/serial/uartlite.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c
index 5f90ef2..f55c342 100644
--- a/drivers/tty/serial/uartlite.c
+++ b/drivers/tty/serial/uartlite.c
@@ -422,7 +422,7 @@ static void ulite_console_wait_tx(struct uart_port *port)
 	u8 val;

 	/* Spin waiting for TX fifo to have space available */
-	for (i = 0; i < 100000; i++) {
+	for (i = 0; i < 10000000; i++) {
 		val = uart_in32(ULITE_STATUS, port);
 		if ((val & ULITE_STATUS_TXFULL) == 0)
 			break;
--
1.8.2.3


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