[PATCH] clk: ti: omap3+: dpll: use non-locking version of clk_get_rate
Tero Kristo
t-kristo at ti.com
Thu Jan 28 03:43:13 PST 2016
On 01/28/2016 01:37 PM, Tero Kristo wrote:
> As the code in this file is being executed within irq context in some
> cases, we must avoid the clk_get_rate which uses mutex internally.
> Switch the code to use clk_hw_get_rate instead which is non-locking.
>
> Signed-off-by: Tero Kristo <t-kristo at ti.com>
Ooops, sorry. Sent wrong version (read: old) of this patch, please
ignore this one. Will re-send the correct version in a bit.
-Tero
> ---
> drivers/clk/ti/dpll3xxx.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/clk/ti/dpll3xxx.c b/drivers/clk/ti/dpll3xxx.c
> index f4dec00..7ed24bc 100644
> --- a/drivers/clk/ti/dpll3xxx.c
> +++ b/drivers/clk/ti/dpll3xxx.c
> @@ -437,7 +437,8 @@ int omap3_noncore_dpll_enable(struct clk_hw *hw)
>
> parent = clk_hw_get_parent(hw);
>
> - if (clk_hw_get_rate(hw) == clk_get_rate(dd->clk_bypass)) {
> + if (clk_hw_get_rate(hw) ==
> + clk_hw_get_rate(__clk_get_hw(dd->clk_bypass))) {
> WARN_ON(parent != __clk_get_hw(dd->clk_bypass));
> r = _omap3_noncore_dpll_bypass(clk);
> } else {
>
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