Subject: [PATCH] clk: ti: omap3+: dpll: use non-locking version of clk_get_rate

From: [email-masked] (Tero Kristo)
Date: Thu, 28 Jan 2016 13:43:13 +0200

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 <[email-masked]>

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 {
>