platform: mips: cpu_hwmon: Disable driver on unsupported hardware

commit f4d430db17 upstream.

cpu_hwmon is unsupported on CPUs without loongson_chiptemp
register and csr.

Cc: stable@vger.kernel.org
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiaxun Yang 2024-06-14 16:40:15 +01:00 committed by Greg Kroah-Hartman
parent 6e70fff02f
commit 8e9e1b4b9d

View File

@ -166,6 +166,9 @@ static int __init loongson_hwmon_init(void)
goto fail_hwmon_device_register;
}
if (!csr_temp_enable && !loongson_chiptemp[0])
return -ENODEV;
nr_packages = loongson_sysconf.nr_cpus /
loongson_sysconf.cores_per_package;