diff --git a/drivers/clk/ti/apll.c b/drivers/clk/ti/apll.c index b336a8c11e2a6e442fe30022f0264d91cdcdef80..6411e132faa2b01e25598edbdd2139b3e6185a5d 100644 --- a/drivers/clk/ti/apll.c +++ b/drivers/clk/ti/apll.c @@ -140,11 +140,21 @@ static void __init omap_clk_register_apll(struct clk_hw *hw, struct dpll_data *ad = clk_hw->dpll_data; struct clk *clk; - ad->clk_ref = of_clk_get(node, 0); - ad->clk_bypass = of_clk_get(node, 1); + clk = of_clk_get(node, 0); + if (IS_ERR(clk)) { + pr_debug("clk-ref for %s not ready, retry\n", + node->name); + if (!ti_clk_retry_init(node, hw, omap_clk_register_apll)) + return; + + goto cleanup; + } - if (IS_ERR(ad->clk_ref) || IS_ERR(ad->clk_bypass)) { - pr_debug("clk-ref or clk-bypass for %s not ready, retry\n", + ad->clk_ref = __clk_get_hw(clk); + + clk = of_clk_get(node, 1); + if (IS_ERR(clk)) { + pr_debug("clk-bypass for %s not ready, retry\n", node->name); if (!ti_clk_retry_init(node, hw, omap_clk_register_apll)) return; @@ -152,6 +162,8 @@ static void __init omap_clk_register_apll(struct clk_hw *hw, goto cleanup; } + ad->clk_bypass = __clk_get_hw(clk); + clk = clk_register(NULL, &clk_hw->hw); if (!IS_ERR(clk)) { of_clk_add_provider(node, of_clk_src_simple_get, clk); diff --git a/drivers/clk/ti/clkt_dpll.c b/drivers/clk/ti/clkt_dpll.c index b5cc6f66ae5df5e1725dc21ebfd3b18ca5eac1fa..032c658a5f5ef6619108f66458f119ad924160a3 100644 --- a/drivers/clk/ti/clkt_dpll.c +++ b/drivers/clk/ti/clkt_dpll.c @@ -254,7 +254,7 @@ unsigned long omap2_get_dpll_rate(struct clk_hw_omap *clk) v >>= __ffs(dd->enable_mask); if (_omap2_dpll_is_in_bypass(v)) - return clk_get_rate(dd->clk_bypass); + return clk_hw_get_rate(dd->clk_bypass); v = ti_clk_ll_ops->clk_readl(dd->mult_div1_reg); dpll_mult = v & dd->mult_mask; @@ -262,7 +262,7 @@ unsigned long omap2_get_dpll_rate(struct clk_hw_omap *clk) dpll_div = v & dd->div1_mask; dpll_div >>= __ffs(dd->div1_mask); - dpll_clk = (u64)clk_get_rate(dd->clk_ref) * dpll_mult; + dpll_clk = (u64)clk_hw_get_rate(dd->clk_ref) * dpll_mult; do_div(dpll_clk, dpll_div + 1); return dpll_clk; @@ -301,7 +301,7 @@ long omap2_dpll_round_rate(struct clk_hw *hw, unsigned long target_rate, dd = clk->dpll_data; - ref_rate = clk_get_rate(dd->clk_ref); + ref_rate = clk_hw_get_rate(dd->clk_ref); clk_name = clk_hw_get_name(hw); pr_debug("clock: %s: starting DPLL round_rate, target rate %lu\n", clk_name, target_rate); diff --git a/drivers/clk/ti/dpll.c b/drivers/clk/ti/dpll.c index 5519b386edc02f74992620d99d8d32921523b5b0..f8306f1c30f1ce7d03530ec2e941bde5930e039b 100644 --- a/drivers/clk/ti/dpll.c +++ b/drivers/clk/ti/dpll.c @@ -147,11 +147,22 @@ static void __init _register_dpll(struct clk_hw *hw, struct dpll_data *dd = clk_hw->dpll_data; struct clk *clk; - dd->clk_ref = of_clk_get(node, 0); - dd->clk_bypass = of_clk_get(node, 1); + clk = of_clk_get(node, 0); + if (IS_ERR(clk)) { + pr_debug("clk-ref missing for %s, retry later\n", + node->name); + if (!ti_clk_retry_init(node, hw, _register_dpll)) + return; - if (IS_ERR(dd->clk_ref) || IS_ERR(dd->clk_bypass)) { - pr_debug("clk-ref or clk-bypass missing for %s, retry later\n", + goto cleanup; + } + + dd->clk_ref = __clk_get_hw(clk); + + clk = of_clk_get(node, 1); + + if (IS_ERR(clk)) { + pr_debug("clk-bypass missing for %s, retry later\n", node->name); if (!ti_clk_retry_init(node, hw, _register_dpll)) return; @@ -159,6 +170,8 @@ static void __init _register_dpll(struct clk_hw *hw, goto cleanup; } + dd->clk_bypass = __clk_get_hw(clk); + /* register the clock */ clk = clk_register(NULL, &clk_hw->hw); @@ -251,8 +264,8 @@ struct clk *ti_clk_register_dpll(struct ti_clk *setup) dd->recal_en_bit = dpll->recal_en_bit; dd->recal_st_bit = dpll->recal_st_bit; - dd->clk_ref = clk_ref; - dd->clk_bypass = clk_bypass; + dd->clk_ref = __clk_get_hw(clk_ref); + dd->clk_bypass = __clk_get_hw(clk_bypass); if (dpll->flags & CLKF_CORE) ops = &omap3_dpll_core_ck_ops; diff --git a/drivers/clk/ti/dpll3xxx.c b/drivers/clk/ti/dpll3xxx.c index cc739291a3ce47466e87023c2bdfd56951e7bf2f..88f2ce81ba55988164c9e77657b78b65ac65a3a8 100644 --- a/drivers/clk/ti/dpll3xxx.c +++ b/drivers/clk/ti/dpll3xxx.c @@ -98,7 +98,7 @@ static u16 _omap3_dpll_compute_freqsel(struct clk_hw_omap *clk, u8 n) unsigned long fint; u16 f = 0; - fint = clk_get_rate(clk->dpll_data->clk_ref) / n; + fint = clk_hw_get_rate(clk->dpll_data->clk_ref) / n; pr_debug("clock: fint is %lu\n", fint); @@ -460,12 +460,11 @@ int omap3_noncore_dpll_enable(struct clk_hw *hw) parent = clk_hw_get_parent(hw); - 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)); + if (clk_hw_get_rate(hw) == clk_hw_get_rate(dd->clk_bypass)) { + WARN_ON(parent != dd->clk_bypass); r = _omap3_noncore_dpll_bypass(clk); } else { - WARN_ON(parent != __clk_get_hw(dd->clk_ref)); + WARN_ON(parent != dd->clk_ref); r = _omap3_noncore_dpll_lock(clk); } @@ -513,13 +512,13 @@ int omap3_noncore_dpll_determine_rate(struct clk_hw *hw, if (!dd) return -EINVAL; - if (clk_get_rate(dd->clk_bypass) == req->rate && + if (clk_hw_get_rate(dd->clk_bypass) == req->rate && (dd->modes & (1 << DPLL_LOW_POWER_BYPASS))) { - req->best_parent_hw = __clk_get_hw(dd->clk_bypass); + req->best_parent_hw = dd->clk_bypass; } else { req->rate = omap2_dpll_round_rate(hw, req->rate, &req->best_parent_rate); - req->best_parent_hw = __clk_get_hw(dd->clk_ref); + req->best_parent_hw = dd->clk_ref; } req->best_parent_rate = req->rate; @@ -577,7 +576,7 @@ int omap3_noncore_dpll_set_rate(struct clk_hw *hw, unsigned long rate, if (!dd) return -EINVAL; - if (clk_hw_get_parent(hw) != __clk_get_hw(dd->clk_ref)) + if (clk_hw_get_parent(hw) != dd->clk_ref) return -EINVAL; if (dd->last_rounded_rate == 0) diff --git a/drivers/clk/ti/dpll44xx.c b/drivers/clk/ti/dpll44xx.c index 660d7436ac243a89a2ac2573a8b67a019bac0301..82c05b55a7be83808b20e5da172900ba63c0a26e 100644 --- a/drivers/clk/ti/dpll44xx.c +++ b/drivers/clk/ti/dpll44xx.c @@ -94,7 +94,7 @@ static void omap4_dpll_lpmode_recalc(struct dpll_data *dd) { long fint, fout; - fint = clk_get_rate(dd->clk_ref) / (dd->last_rounded_n + 1); + fint = clk_hw_get_rate(dd->clk_ref) / (dd->last_rounded_n + 1); fout = fint * dd->last_rounded_m; if ((fint < OMAP4_DPLL_LP_FINT_MAX) && (fout < OMAP4_DPLL_LP_FOUT_MAX)) @@ -212,13 +212,13 @@ int omap4_dpll_regm4xen_determine_rate(struct clk_hw *hw, if (!dd) return -EINVAL; - if (clk_get_rate(dd->clk_bypass) == req->rate && + if (clk_hw_get_rate(dd->clk_bypass) == req->rate && (dd->modes & (1 << DPLL_LOW_POWER_BYPASS))) { - req->best_parent_hw = __clk_get_hw(dd->clk_bypass); + req->best_parent_hw = dd->clk_bypass; } else { req->rate = omap4_dpll_regm4xen_round_rate(hw, req->rate, &req->best_parent_rate); - req->best_parent_hw = __clk_get_hw(dd->clk_ref); + req->best_parent_hw = dd->clk_ref; } req->best_parent_rate = req->rate; diff --git a/include/linux/clk/ti.h b/include/linux/clk/ti.h index 9a638601cb09f8918c8575e87893c397a64c7a54..dc5164a6df2932f6c3f24e4287e46216f4c38c06 100644 --- a/include/linux/clk/ti.h +++ b/include/linux/clk/ti.h @@ -23,8 +23,8 @@ * @mult_div1_reg: register containing the DPLL M and N bitfields * @mult_mask: mask of the DPLL M bitfield in @mult_div1_reg * @div1_mask: mask of the DPLL N bitfield in @mult_div1_reg - * @clk_bypass: struct clk pointer to the clock's bypass clock input - * @clk_ref: struct clk pointer to the clock's reference clock input + * @clk_bypass: struct clk_hw pointer to the clock's bypass clock input + * @clk_ref: struct clk_hw pointer to the clock's reference clock input * @control_reg: register containing the DPLL mode bitfield * @enable_mask: mask of the DPLL mode bitfield in @control_reg * @last_rounded_rate: cache of the last rate result of omap2_dpll_round_rate() @@ -69,8 +69,8 @@ struct dpll_data { void __iomem *mult_div1_reg; u32 mult_mask; u32 div1_mask; - struct clk *clk_bypass; - struct clk *clk_ref; + struct clk_hw *clk_bypass; + struct clk_hw *clk_ref; void __iomem *control_reg; u32 enable_mask; unsigned long last_rounded_rate;