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cpufreq: sun50i: Switch to use dev_err_probe() helper 

In the probe path, convert pr_err() to dev_err_probe() which will
check if error code is -EPROBE_DEFER and prints the error name.
It also sets the defer probe reason which can be checked later
through debugfs. It's more simple in error path.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
This commit is contained in:
Yang Yingliang 2022-09-27 23:40:21 +08:00 committed by Viresh Kumar
parent d78be404f9
commit 889a50aedc
1 changed files with 3 additions and 6 deletions
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9
drivers/cpufreq/sun50i-cpufreq-nvmem.c
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@ -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);