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path: root/drivers/cpufreq/sun50i-cpufreq-nvmem.c
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Diffstat (limited to 'drivers/cpufreq/sun50i-cpufreq-nvmem.c')
-rw-r--r--drivers/cpufreq/sun50i-cpufreq-nvmem.c42
1 files changed, 19 insertions, 23 deletions
diff --git a/drivers/cpufreq/sun50i-cpufreq-nvmem.c b/drivers/cpufreq/sun50i-cpufreq-nvmem.c
index 2deed8d8773f..1583a370da39 100644
--- a/drivers/cpufreq/sun50i-cpufreq-nvmem.c
+++ b/drivers/cpufreq/sun50i-cpufreq-nvmem.c
@@ -56,12 +56,9 @@ static int sun50i_cpufreq_get_efuse(u32 *versions)
speedbin_nvmem = of_nvmem_cell_get(np, NULL);
of_node_put(np);
- if (IS_ERR(speedbin_nvmem)) {
- if (PTR_ERR(speedbin_nvmem) != -EPROBE_DEFER)
- pr_err("Could not get nvmem cell: %ld\n",
- PTR_ERR(speedbin_nvmem));
- return PTR_ERR(speedbin_nvmem);
- }
+ if (IS_ERR(speedbin_nvmem))
+ return dev_err_probe(cpu_dev, PTR_ERR(speedbin_nvmem),
+ "Could not get nvmem cell\n");
speedbin = nvmem_cell_read(speedbin_nvmem, &len);
nvmem_cell_put(speedbin_nvmem);
@@ -86,20 +83,22 @@ static int sun50i_cpufreq_get_efuse(u32 *versions)
static int sun50i_cpufreq_nvmem_probe(struct platform_device *pdev)
{
- struct opp_table **opp_tables;
+ int *opp_tokens;
char name[MAX_NAME_LEN];
unsigned int cpu;
u32 speed = 0;
int ret;
- opp_tables = kcalloc(num_possible_cpus(), sizeof(*opp_tables),
+ opp_tokens = kcalloc(num_possible_cpus(), sizeof(*opp_tokens),
GFP_KERNEL);
- if (!opp_tables)
+ if (!opp_tokens)
return -ENOMEM;
ret = sun50i_cpufreq_get_efuse(&speed);
- if (ret)
+ if (ret) {
+ kfree(opp_tokens);
return ret;
+ }
snprintf(name, MAX_NAME_LEN, "speed%d", speed);
@@ -111,9 +110,9 @@ static int sun50i_cpufreq_nvmem_probe(struct platform_device *pdev)
goto free_opp;
}
- opp_tables[cpu] = dev_pm_opp_set_prop_name(cpu_dev, name);
- if (IS_ERR(opp_tables[cpu])) {
- ret = PTR_ERR(opp_tables[cpu]);
+ opp_tokens[cpu] = dev_pm_opp_set_prop_name(cpu_dev, name);
+ if (opp_tokens[cpu] < 0) {
+ ret = opp_tokens[cpu];
pr_err("Failed to set prop name\n");
goto free_opp;
}
@@ -122,7 +121,7 @@ static int sun50i_cpufreq_nvmem_probe(struct platform_device *pdev)
cpufreq_dt_pdev = platform_device_register_simple("cpufreq-dt", -1,
NULL, 0);
if (!IS_ERR(cpufreq_dt_pdev)) {
- platform_set_drvdata(pdev, opp_tables);
+ platform_set_drvdata(pdev, opp_tokens);
return 0;
}
@@ -130,27 +129,24 @@ static int sun50i_cpufreq_nvmem_probe(struct platform_device *pdev)
pr_err("Failed to register platform device\n");
free_opp:
- for_each_possible_cpu(cpu) {
- if (IS_ERR_OR_NULL(opp_tables[cpu]))
- break;
- dev_pm_opp_put_prop_name(opp_tables[cpu]);
- }
- kfree(opp_tables);
+ for_each_possible_cpu(cpu)
+ dev_pm_opp_put_prop_name(opp_tokens[cpu]);
+ kfree(opp_tokens);
return ret;
}
static int sun50i_cpufreq_nvmem_remove(struct platform_device *pdev)
{
- struct opp_table **opp_tables = platform_get_drvdata(pdev);
+ int *opp_tokens = platform_get_drvdata(pdev);
unsigned int cpu;
platform_device_unregister(cpufreq_dt_pdev);
for_each_possible_cpu(cpu)
- dev_pm_opp_put_prop_name(opp_tables[cpu]);
+ dev_pm_opp_put_prop_name(opp_tokens[cpu]);
- kfree(opp_tables);
+ kfree(opp_tokens);
return 0;
}