Patch "clk: bcm2835: divider value has to be 1 or more" has been added to the 4.4-stable tree
Subsystems (4)
This is a note to let you know that I've just added the patch titled
clk: bcm2835: divider value has to be 1 or more
to the 4.4-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:
clk-bcm2835-divider-value-has-to-be-1-or-more.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.
Quoted 1 line
From
997f16bd5d2e9b3456027f96fcadfe1e2bf12f4eMon Sep 17 00:00:00 2001
From: Martin Sperl <[email protected]>
Date: Mon, 29 Feb 2016 11:39:20 +0000
Subject: clk: bcm2835: divider value has to be 1 or more
From: Martin Sperl <[email protected]>
commit 997f16bd5d2e9b3456027f96fcadfe1e2bf12f4e upstream.
Current clamping of a normal divider allows a value < 1 to be valid.
A divider of < 1 would actually only be possible if we had a PLL...
So this patch clamps the divider to 1.
audio domain clocks")
--- drivers/clk/bcm/clk-bcm2835.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
drivers/clk/bcm/clk-bcm2835.c +3 -2
@@ -1181,8 +1181,9 @@ static u32 bcm2835_clock_choose_div(stru div &= ~unused_frac_mask; } -/* Clamp to the limits. */ - div =max (div, unused_frac_mask +1 ); +/* clamp to min divider of 1 */ + div =max_t (u32, div,1 <<CM_DIV_FRAC_BITS ); +/* clamp to the highest possible fractional divider */ div =min_t (u32, div,GENMASK (data->int_bits +CM_DIV_FRAC_BITS -1 ,CM_DIV_FRAC_BITS - data->frac_bits));
Patches currently in stable-queue which might be from [email protected] are
queue-4.4/clk-bcm2835-pll_off-should-only-update-cm_pll_anarst.patch queue-4.4/clk-bcm2835-divider-value-has-to-be-1-or-more.patch