This is a note to let you know that I've just added the patch titled
MIPS: lantiq: add clk_round_rate()
to the 4.2-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mips-lantiq-add-clk_round_rate.patch
and it can be found in the queue-4.2 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 4e7d30dba493b60a80e9b590add1b4402265cc83 Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <[email protected]>
Date: Sun, 25 Oct 2015 23:21:42 +0100
Subject: MIPS: lantiq: add clk_round_rate()
From: Hauke Mehrtens <[email protected]>
commit 4e7d30dba493b60a80e9b590add1b4402265cc83 upstream.
This adds a basic implementation of clk_round_rate()
The clk_round_rate() function is called by multiple drivers and
subsystems now and the lantiq clk driver is supposed to export this,
but doesn't do so, this causes linking problems like this one:
ERROR: "clk_round_rate" [drivers/media/v4l2-core/videodev.ko] undefined!
Signed-off-by: Hauke Mehrtens <[email protected]>
Acked-by: John Crispin <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/11358/
Signed-off-by: Ralf Baechle <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
arch/mips/lantiq/clk.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
--- a/arch/mips/lantiq/clk.c
+++ b/arch/mips/lantiq/clk.c
@@ -99,6 +99,23 @@ int clk_set_rate(struct clk *clk, unsign
}
EXPORT_SYMBOL(clk_set_rate);
+long clk_round_rate(struct clk *clk, unsigned long rate)
+{
+ if (unlikely(!clk_good(clk)))
+ return 0;
+ if (clk->rates && *clk->rates) {
+ unsigned long *r = clk->rates;
+
+ while (*r && (*r != rate))
+ r++;
+ if (!*r) {
+ return clk->rate;
+ }
+ }
+ return rate;
+}
+EXPORT_SYMBOL(clk_round_rate);
+
int clk_enable(struct clk *clk)
{
if (unlikely(!clk_good(clk)))
Patches currently in stable-queue which might be from [email protected] are
queue-4.2/mips-lantiq-add-clk_round_rate.patch
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