linux-kernel - Re: [SERIAL] Don't optimise away baud rate changes when BOTHER is used

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Message-Id: <1181254517.20322.6.camel@shinybook.infradead.org>
Date:	Thu, 07 Jun 2007 23:15:17 +0100
From:	David Woodhouse <dwmw2@...radead.org>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	akpm@...l.org, linux-kernel@...r.kernel.org, paulus@...ba.org
Subject: Re: [SERIAL] Don't optimise away baud rate changes when BOTHER is
	used

On Thu, 2007-06-07 at 22:55 +0100, Alan Cox wrote:
> Umm if your struct termios has the c_ispeed/c_ospeed fields then you
> don't need to add the new ioctls to the PPC either - the Alpha is the
> same here. 

Well, OK -- if it only involves editing patch files I might _send_ a
patch tonight but I'll _test_ it in the morning... I think we only need
this one hunk of what I sent before.

diff --git a/include/asm-powerpc/termbits.h b/include/asm-powerpc/termbits.h
index 5e79198..a5a87f0 100644
--- a/include/asm-powerpc/termbits.h
+++ b/include/asm-powerpc/termbits.h
@@ -152,6 +165,10 @@ struct ktermios {
 #define B3000000  00034
 #define B3500000  00035
 #define B4000000  00036
+#define   BOTHER  00037
+
+#define CIBAUD	077600000
+#define IBSHIFT	16		/* Shift from CBAUD to CIBAUD */
 
 #define CSIZE	00001400
 #define   CS5	00000000

-- 
dwmw2

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