diff options
Diffstat (limited to 'drivers/clk')
| -rw-r--r-- | drivers/clk/tegra/clk-tegra210.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/clk/tegra/clk-tegra210.c b/drivers/clk/tegra/clk-tegra210.c index 51a21bf1715e..18384666b380 100644 --- a/drivers/clk/tegra/clk-tegra210.c +++ b/drivers/clk/tegra/clk-tegra210.c @@ -1014,8 +1014,12 @@ static void tegra210_pllre_set_defaults(struct tegra_clk_pll *pllre) _pll_misc_chk_default(clk_base, pllre->params, 0, val, ~mask & PLLRE_MISC0_WRITE_MASK); - /* Enable lock detect */ + /* The PLL doesn't work if it's in IDDQ. */ val = readl_relaxed(clk_base + pllre->params->ext_misc_reg[0]); + if (val & PLLRE_MISC0_IDDQ) + pr_warn("unexpected IDDQ bit set for enabled clock\n"); + + /* Enable lock detect */ val &= ~mask; val |= PLLRE_MISC0_DEFAULT_VALUE & mask; writel_relaxed(val, clk_base + pllre->params->ext_misc_reg[0]); |