[3.13.y-ckt stable] Patch "clk-gate: fix bit # check in clk_register_gate()" has been added to staging queue

[Kamal Mostafa]

This is a note to let you know that I have just added a patch titled

    clk-gate: fix bit # check in clk_register_gate()

to the linux-3.13.y-queue branch of the 3.13.y-ckt extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.13.y-queue

This patch is scheduled to be released in version 3.13.11-ckt18.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.13.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

------

>From 90ef3f17ac32998848ba9afbbe846126c37dd5a0 Mon Sep 17 00:00:00 2001
From: Sergei Shtylyov <sergei.shtylyov at cogentembedded.com>
Date: Wed, 24 Dec 2014 17:43:27 +0300
Subject: clk-gate: fix bit # check in clk_register_gate()

commit 2e9dcdae4068460c45a308dd891be5248260251c upstream.

In case CLK_GATE_HIWORD_MASK flag is passed to clk_register_gate(), the bit #
should be no higher than 15, however the corresponding check is obviously off-
by-one.

Fixes: 045779942c04 ("clk: gate: add CLK_GATE_HIWORD_MASK")
Signed-off-by: Sergei Shtylyov <sergei.shtylyov at cogentembedded.com>
Signed-off-by: Michael Turquette <mturquette at linaro.org>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
 drivers/clk/clk-gate.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/clk-gate.c b/drivers/clk/clk-gate.c
index 4a58c55..797bab9 100644
--- a/drivers/clk/clk-gate.c
+++ b/drivers/clk/clk-gate.c
@@ -128,7 +128,7 @@ struct clk *clk_register_gate(struct device *dev, const char *name,
 	struct clk_init_data init;

 	if (clk_gate_flags & CLK_GATE_HIWORD_MASK) {
-		if (bit_idx > 16) {
+		if (bit_idx > 15) {
 			pr_err("gate bit exceeds LOWORD field\n");
 			return ERR_PTR(-EINVAL);
 		}
--
1.9.1