clk: bcm2835: add locking to pll*_on/off methods

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commit ec36a5c668 upstream.

Add missing locking to:
* bcm2835_pll_divider_on
* bcm2835_pll_divider_off
to protect the read modify write cycle for the
register access protecting both cm_reg and a2w_reg
registers.

Fixes: 41691b8862 ("clk: bcm2835: Add support for programming the
audio domain clocks")

Signed-off-by: Martin Sperl <kernel@martin.sperl.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Martin Sperl 2016-02-29 11:39:18 +00:00 • committed by Greg Kroah-Hartman

parent 035688290a

commit 86dbfda832

1 changed files with 4 additions and 0 deletions

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drivers/clk/bcm/clk-bcm2835.c

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