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Diffstat (limited to 'arch/arm/mach-omap2/dpll44xx.c')
-rw-r--r--arch/arm/mach-omap2/dpll44xx.c30
1 files changed, 12 insertions, 18 deletions
diff --git a/arch/arm/mach-omap2/dpll44xx.c b/arch/arm/mach-omap2/dpll44xx.c
index f231be05b9a6..446a4e0d5a6a 100644
--- a/arch/arm/mach-omap2/dpll44xx.c
+++ b/arch/arm/mach-omap2/dpll44xx.c
@@ -191,42 +191,36 @@ out:
/**
* omap4_dpll_regm4xen_determine_rate - determine rate for a DPLL
* @hw: pointer to the clock to determine rate for
- * @rate: target rate for the DPLL
- * @best_parent_rate: pointer for returning best parent rate
- * @best_parent_clk: pointer for returning best parent clock
+ * @req: target rate request
*
* Determines which DPLL mode to use for reaching a desired rate.
* Checks whether the DPLL shall be in bypass or locked mode, and if
* locked, calculates the M,N values for the DPLL via round-rate.
- * Returns a positive clock rate with success, negative error value
- * in failure.
+ * Returns 0 on success and a negative error value otherwise.
*/
-long omap4_dpll_regm4xen_determine_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long min_rate,
- unsigned long max_rate,
- unsigned long *best_parent_rate,
- struct clk_hw **best_parent_clk)
+int omap4_dpll_regm4xen_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
struct clk_hw_omap *clk = to_clk_hw_omap(hw);
struct dpll_data *dd;
- if (!hw || !rate)
+ if (!req->rate)
return -EINVAL;
dd = clk->dpll_data;
if (!dd)
return -EINVAL;
- if (__clk_get_rate(dd->clk_bypass) == rate &&
+ if (__clk_get_rate(dd->clk_bypass) == req->rate &&
(dd->modes & (1 << DPLL_LOW_POWER_BYPASS))) {
- *best_parent_clk = __clk_get_hw(dd->clk_bypass);
+ req->best_parent_hw = __clk_get_hw(dd->clk_bypass);
} else {
- rate = omap4_dpll_regm4xen_round_rate(hw, rate,
- best_parent_rate);
- *best_parent_clk = __clk_get_hw(dd->clk_ref);
+ req->rate = omap4_dpll_regm4xen_round_rate(hw, req->rate,
+ &req->best_parent_rate);
+ req->best_parent_hw = __clk_get_hw(dd->clk_ref);
}
- *best_parent_rate = rate;
+ req->best_parent_rate = req->rate;
- return rate;
+ return 0;
}