linux-kernel - [PATCH V4 4/4] serial: sprd: adjust TIMEOUT to a big value

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Date:   Fri, 17 Mar 2017 13:51:38 +0800
From:   Chunyan Zhang <chunyan.zhang@...eadtrum.com>
To:     <robh+dt@...nel.org>, <mark.rutland@....com>,
        <gregkh@...uxfoundation.org>, <catalin.marinas@....com>,
        <will.deacon@....com>, <arnd@...db.de>
CC:     <mathieu.poirier@...aro.org>, <orson.zhai@...eadtrum.com>,
        <sudeep.holla@....com>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <zhang.lyra@...il.com>,
        <chunyan.zhang@...eadtrum.com>
Subject: [PATCH V4 4/4] serial: sprd: adjust TIMEOUT to a big value

From: Wei Qiao <wei.qiao@...eadtrum.com>

SPRD_TIMEOUT was 256, which is too small to wait until the status
switched to workable in a while loop, so that the earlycon could
not work correctly.

Signed-off-by: Wei Qiao <wei.qiao@...eadtrum.com>
Signed-off-by: Chunyan Zhang <chunyan.zhang@...eadtrum.com>
---
 drivers/tty/serial/sprd_serial.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/sprd_serial.c b/drivers/tty/serial/sprd_serial.c
index d98e3dc..90996ad 100644
--- a/drivers/tty/serial/sprd_serial.c
+++ b/drivers/tty/serial/sprd_serial.c
@@ -36,7 +36,7 @@
 #define SPRD_FIFO_SIZE		128
 #define SPRD_DEF_RATE		26000000
 #define SPRD_BAUD_IO_LIMIT	3000000
-#define SPRD_TIMEOUT		256
+#define SPRD_TIMEOUT		256000
 
 /* the offset of serial registers and BITs for them */
 /* data registers */
-- 
2.7.4