5.4-stable review patch. If anyone has any objections, please let me know.
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From: Jiaxun Yang jiaxun.yang@flygoat.com
commit f4d430db17b4ef4e9c3c352a04b2fe3c93011978 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 --- drivers/platform/mips/cpu_hwmon.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/drivers/platform/mips/cpu_hwmon.c +++ b/drivers/platform/mips/cpu_hwmon.c @@ -166,6 +166,9 @@ static int __init loongson_hwmon_init(vo 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;