diff options
Diffstat (limited to 'drivers/clk/imx/clk-pllv2.c')
| -rw-r--r-- | drivers/clk/imx/clk-pllv2.c | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/drivers/clk/imx/clk-pllv2.c b/drivers/clk/imx/clk-pllv2.c index eeba3cb14e2d..bb497ad5e0ae 100644 --- a/drivers/clk/imx/clk-pllv2.c +++ b/drivers/clk/imx/clk-pllv2.c @@ -178,18 +178,25 @@ static int clk_pllv2_set_rate(struct clk_hw *hw, unsigned long rate, return 0; } -static long clk_pllv2_round_rate(struct clk_hw *hw, unsigned long rate, - unsigned long *prate) +static int clk_pllv2_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) { u32 dp_op, dp_mfd, dp_mfn; int ret; - ret = __clk_pllv2_set_rate(rate, *prate, &dp_op, &dp_mfd, &dp_mfn); - if (ret) - return ret; + ret = __clk_pllv2_set_rate(req->rate, req->best_parent_rate, &dp_op, + &dp_mfd, &dp_mfn); + if (ret) { + req->rate = ret; + + return 0; + } - return __clk_pllv2_recalc_rate(*prate, MXC_PLL_DP_CTL_DPDCK0_2_EN, - dp_op, dp_mfd, dp_mfn); + req->rate = __clk_pllv2_recalc_rate(req->best_parent_rate, + MXC_PLL_DP_CTL_DPDCK0_2_EN, dp_op, + dp_mfd, dp_mfn); + + return 0; } static int clk_pllv2_prepare(struct clk_hw *hw) @@ -235,16 +242,17 @@ static const struct clk_ops clk_pllv2_ops = { .prepare = clk_pllv2_prepare, .unprepare = clk_pllv2_unprepare, .recalc_rate = clk_pllv2_recalc_rate, - .round_rate = clk_pllv2_round_rate, + .determine_rate = clk_pllv2_determine_rate, .set_rate = clk_pllv2_set_rate, }; -struct clk *imx_clk_pllv2(const char *name, const char *parent, +struct clk_hw *imx_clk_hw_pllv2(const char *name, const char *parent, void __iomem *base) { struct clk_pllv2 *pll; - struct clk *clk; + struct clk_hw *hw; struct clk_init_data init; + int ret; pll = kzalloc(sizeof(*pll), GFP_KERNEL); if (!pll) @@ -259,10 +267,13 @@ struct clk *imx_clk_pllv2(const char *name, const char *parent, init.num_parents = 1; pll->hw.init = &init; + hw = &pll->hw; - clk = clk_register(NULL, &pll->hw); - if (IS_ERR(clk)) + ret = clk_hw_register(NULL, hw); + if (ret) { kfree(pll); + return ERR_PTR(ret); + } - return clk; + return hw; } |
