提交 2f924ac3 编写于 作者: A Alex Frid 提交者: Stephen Boyd

clk: tegra: Fix T210 PLLRE registration

Switched Tegra210 PLLRE registration to common PLL ops instead of special
PLLRE ops used on previous Tegra chips. The latter ops do not follow
chip specific PLL frequency table, and do not apply chip specific rate
calculation method.

Removed unnecessary default rate setting that duplicates h/w reset
state, and is overwritten by clock initialization, anyway.
Signed-off-by: NAlex Frid <afrid@nvidia.com>
Reviewed-by: NPeter De Schrijver <pdeschrijver@nvidia.com>
Reviewed-by: NJon Mayo <jmayo@nvidia.com>
Tested-by: NThierry Reding <treding@nvidia.com>
Acked-by: NThierry Reding <treding@nvidia.com>
Signed-off-by: NStephen Boyd <sboyd@codeaurora.org>
上级 f7bdb8b7
...@@ -2355,7 +2355,6 @@ struct clk *tegra_clk_register_pllre_tegra210(const char *name, ...@@ -2355,7 +2355,6 @@ struct clk *tegra_clk_register_pllre_tegra210(const char *name,
struct tegra_clk_pll_params *pll_params, struct tegra_clk_pll_params *pll_params,
spinlock_t *lock, unsigned long parent_rate) spinlock_t *lock, unsigned long parent_rate)
{ {
u32 val;
struct tegra_clk_pll *pll; struct tegra_clk_pll *pll;
struct clk *clk; struct clk *clk;
...@@ -2369,26 +2368,8 @@ struct clk *tegra_clk_register_pllre_tegra210(const char *name, ...@@ -2369,26 +2368,8 @@ struct clk *tegra_clk_register_pllre_tegra210(const char *name,
if (IS_ERR(pll)) if (IS_ERR(pll))
return ERR_CAST(pll); return ERR_CAST(pll);
/* program minimum rate by default */
val = pll_readl_base(pll);
if (val & PLL_BASE_ENABLE)
WARN_ON(readl_relaxed(clk_base + pll_params->iddq_reg) &
BIT(pll_params->iddq_bit_idx));
else {
val = 0x4 << divm_shift(pll);
val |= 0x41 << divn_shift(pll);
pll_writel_base(val, pll);
}
/* disable lock override */
val = pll_readl_misc(pll);
val &= ~BIT(29);
pll_writel_misc(val, pll);
clk = _tegra_clk_register_pll(pll, name, parent_name, flags, clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
&tegra_clk_pllre_ops); &tegra_clk_pll_ops);
if (IS_ERR(clk)) if (IS_ERR(clk))
kfree(pll); kfree(pll);
......
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