linux-kernel - unbreak billionton CF card (was Re: [000/152] 2.6.36.3-stable review)

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Message-ID: <20110109073848.GA1553@ucw.cz>
Date:	Sun, 9 Jan 2011 08:38:48 +0100
From:	Pavel Machek <pavel@....cz>
To:	Greg KH <gregkh@...e.de>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>, linux-kernel@...r.kernel.org,
	stable@...nel.org, stable-review@...nel.org,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org
Subject: unbreak billionton CF card (was Re: [000/152] 2.6.36.3-stable
 review)

Unbreak Billionton CF bluetooth card. This actually fixes a regression
on zaurus.

Signed-off-by: Pavel Machek <pavel@....cz>

---

> > Flow control flag seems to be responsible.
> > 
> > But... it hits me and then... me. So I'd like to see it resolved in
> > devel tree, but it may not 100% vital for stable.
> 
> Ok, care to make up a patch I can apply for Linus's tree first that
> works for you?

./drivers/serial - ./drivers/serial.ofic
diff -X /usr/src/linux/.gitignore -ur ./drivers/serial.ofic/8250.c ./drivers/serial/8250.c
--- ./drivers/serial.ofic/8250.c	2011-01-02 21:25:29.000000000 +0100
+++ ./drivers/serial/8250.c	2011-01-09 08:10:39.000000000 +0100
@@ -236,7 +236,8 @@
 		.fifo_size	= 128,
 		.tx_loadsz	= 128,
 		.fcr		= UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
-		.flags		= UART_CAP_FIFO | UART_CAP_EFR | UART_CAP_SLEEP,
+		/* UART_CAP_EFR breaks billionon CF bluetooth card. */
+		.flags		= UART_CAP_FIFO | UART_CAP_SLEEP,
 	},
 	[PORT_16654] = {
 		.name		= "ST16654",

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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