From: Kumar Gala <galak@gate.crashing.org>
To: Paul Mackerras <paulus@samba.org>
Cc: linuxppc64-dev@ozlabs.org, linuxppc-dev@ozlabs.org
Subject: [PATCH] powerpc: Loosen udbg_probe_uart_speed sanity checking
Date: Tue, 20 Dec 2005 16:16:26 -0600 (CST) [thread overview]
Message-ID: <Pine.LNX.4.44.0512201615540.26351-100000@gate.crashing.org> (raw)
The checking of the baudrate in udbg_probe_uart_speed was
too tight and would cause reporting back of the default
baud rate in cases where the computed speed was valid.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
commit 8bec94b3bb35c0273fbab5a6aa477ec71a4d1fab
tree c2dde72aa75a3d807a918556e97b21723c10267b
parent a86f866f7b31e01c729ee7498228c547a51d8514
author Kumar Gala <galak@kernel.crashing.org> Tue, 20 Dec 2005 16:17:13 -0600
committer Kumar Gala <galak@kernel.crashing.org> Tue, 20 Dec 2005 16:17:13 -0600
arch/powerpc/kernel/udbg_16550.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/kernel/udbg_16550.c b/arch/powerpc/kernel/udbg_16550.c
index e58c048..7541bf4 100644
--- a/arch/powerpc/kernel/udbg_16550.c
+++ b/arch/powerpc/kernel/udbg_16550.c
@@ -137,7 +137,7 @@ unsigned int udbg_probe_uart_speed(void
speed = (clock / prescaler) / (divisor * 16);
/* sanity check */
- if (speed < 9600 || speed > 115200)
+ if (speed < 0 || speed > (clock / 16))
speed = 9600;
return speed;
reply other threads:[~2005-12-20 22:16 UTC|newest]
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