linux-kernel - Re: [patch 00/38] 2.6.24-stable review

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Date:	Sun, 24 Feb 2008 15:55:37 +0100
From:	Uli Luckas <u.luckas@...d.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	"Russell King - ARM Linux" <linux@....linux.org.uk>
Subject: Re: [patch 00/38] 2.6.24-stable review

Hi stable-team,
Could you please include the attached patch [1] to the next stable release.
The patch fixes the otherwise unusable bluetooth uart on pxa25x . The patch is 
written by Russell King [1] who also gave his OK for stable inclusion [2].
The patch is also available as commit a0dd005d1d9f4c3beab52086f3844ef9342d1e67 
to Linus' tree.

Thanks,
Uli

[1] http://marc.info/?l=linux-arm-kernel&m=120298366510315
[2] http://marc.info/?l=linux-arm-kernel&m=120384388411097


diff --git a/arch/arm/mach-pxa/clock.c b/arch/arm/mach-pxa/clock.c
index 83ef5ec..df5ae27 100644
--- a/arch/arm/mach-pxa/clock.c
+++ b/arch/arm/mach-pxa/clock.c
@@ -23,18 +23,27 @@ static LIST_HEAD(clocks);
 static DEFINE_MUTEX(clocks_mutex);
 static DEFINE_SPINLOCK(clocks_lock);

+static struct clk *clk_lookup(struct device *dev, const char *id)
+{
+       struct clk *p;
+
+       list_for_each_entry(p, &clocks, node)
+               if (strcmp(id, p->name) == 0 && p->dev == dev)
+                       return p;
+
+       return NULL;
+}
+
 struct clk *clk_get(struct device *dev, const char *id)
 {
        struct clk *p, *clk = ERR_PTR(-ENOENT);

        mutex_lock(&clocks_mutex);
-       list_for_each_entry(p, &clocks, node) {
-               if (strcmp(id, p->name) == 0 &&
-                   (p->dev == NULL || p->dev == dev)) {
-                       clk = p;
-                       break;
-               }
-       }
+       p = clk_lookup(dev, id);
+       if (!p)
+               p = clk_lookup(NULL, id);
+       if (p)
+               clk = p;
        mutex_unlock(&clocks_mutex);

        return clk;
--
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