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

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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@xxxxxx>

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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