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path: root/drivers/cpufreq/kirkwood-cpufreq.c
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Diffstat (limited to 'drivers/cpufreq/kirkwood-cpufreq.c')
-rw-r--r--drivers/cpufreq/kirkwood-cpufreq.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/cpufreq/kirkwood-cpufreq.c b/drivers/cpufreq/kirkwood-cpufreq.c
index 1b9bcd76c60e..c2dd43f3f5d8 100644
--- a/drivers/cpufreq/kirkwood-cpufreq.c
+++ b/drivers/cpufreq/kirkwood-cpufreq.c
@@ -127,7 +127,12 @@ static int kirkwood_cpufreq_probe(struct platform_device *pdev)
return PTR_ERR(priv.cpu_clk);
}
- clk_prepare_enable(priv.cpu_clk);
+ err = clk_prepare_enable(priv.cpu_clk);
+ if (err) {
+ dev_err(priv.dev, "Unable to prepare cpuclk\n");
+ return err;
+ }
+
kirkwood_freq_table[0].frequency = clk_get_rate(priv.cpu_clk) / 1000;
priv.ddr_clk = of_clk_get_by_name(np, "ddrclk");
@@ -137,7 +142,11 @@ static int kirkwood_cpufreq_probe(struct platform_device *pdev)
goto out_cpu;
}
- clk_prepare_enable(priv.ddr_clk);
+ err = clk_prepare_enable(priv.ddr_clk);
+ if (err) {
+ dev_err(priv.dev, "Unable to prepare ddrclk\n");
+ goto out_cpu;
+ }
kirkwood_freq_table[1].frequency = clk_get_rate(priv.ddr_clk) / 1000;
priv.powersave_clk = of_clk_get_by_name(np, "powersave");
@@ -146,7 +155,11 @@ static int kirkwood_cpufreq_probe(struct platform_device *pdev)
err = PTR_ERR(priv.powersave_clk);
goto out_ddr;
}
- clk_prepare_enable(priv.powersave_clk);
+ err = clk_prepare_enable(priv.powersave_clk);
+ if (err) {
+ dev_err(priv.dev, "Unable to prepare powersave clk\n");
+ goto out_ddr;
+ }
of_node_put(np);
np = NULL;
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