[3.16.y-ckt stable] Patch "clk: xgene: Fix divider with non-zero shift value" has been added to the 3.16.y-ckt tree

Luis Henriques luis.henriques at canonical.com
Wed Feb 3 14:03:00 UTC 2016


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

    clk: xgene: Fix divider with non-zero shift value

to the linux-3.16.y-queue branch of the 3.16.y-ckt extended stable tree 
which can be found at:

    http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.16.y-queue

This patch is scheduled to be released in version 3.16.7-ckt24.

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

For more information about the 3.16.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

---8<------------------------------------------------------------

>From ba65b79dc8cbf331ba485df5a4986a2196555411 Mon Sep 17 00:00:00 2001
From: Loc Ho <lho at apm.com>
Date: Thu, 19 Nov 2015 12:20:30 -0700
Subject: clk: xgene: Fix divider with non-zero shift value

commit 1382ea631ddddb634850a3795527db0feeff5aaf upstream.

The X-Gene clock driver missed the divider shift operation when
set the divider value.

Signed-off-by: Loc Ho <lho at apm.com>
Fixes: 308964caeebc ("clk: Add APM X-Gene SoC clock driver")
Signed-off-by: Stephen Boyd <sboyd at codeaurora.org>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 drivers/clk/clk-xgene.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/clk-xgene.c b/drivers/clk/clk-xgene.c
index dd8a62d8f11f..1ec5fe8494a1 100644
--- a/drivers/clk/clk-xgene.c
+++ b/drivers/clk/clk-xgene.c
@@ -351,7 +351,8 @@ static int xgene_clk_set_rate(struct clk_hw *hw, unsigned long rate,
 		/* Set new divider */
 		data = xgene_clk_read(pclk->param.divider_reg +
 				pclk->param.reg_divider_offset);
-		data &= ~((1 << pclk->param.reg_divider_width) - 1);
+		data &= ~((1 << pclk->param.reg_divider_width) - 1)
+				<< pclk->param.reg_divider_shift;
 		data |= divider;
 		xgene_clk_write(data, pclk->param.divider_reg +
 					pclk->param.reg_divider_offset);




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