diff options
| author | Jiaxun Yang <jiaxun.yang@flygoat.com> | 2024-06-14 18:40:15 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-08-03 09:54:30 +0300 |
| commit | aa9ccec6e215b54805d86c21373c0df36cd63abd (patch) | |
| tree | 8627270348ac32628be1fb577196b162ea8d3dad /drivers/platform | |
| parent | bbaeff660657c9b689f420c4eed68c6991addb1c (diff) | |
| download | linux-aa9ccec6e215b54805d86c21373c0df36cd63abd.tar.xz | |
platform: mips: cpu_hwmon: Disable driver on unsupported hardware
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>
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/mips/cpu_hwmon.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/platform/mips/cpu_hwmon.c b/drivers/platform/mips/cpu_hwmon.c index d8c5f9195f85..2ac2f31090f9 100644 --- a/drivers/platform/mips/cpu_hwmon.c +++ b/drivers/platform/mips/cpu_hwmon.c @@ -139,6 +139,9 @@ static int __init loongson_hwmon_init(void) csr_temp_enable = csr_readl(LOONGSON_CSR_FEATURES) & LOONGSON_CSRF_TEMP; + if (!csr_temp_enable && !loongson_chiptemp[0]) + return -ENODEV; + nr_packages = loongson_sysconf.nr_cpus / loongson_sysconf.cores_per_package; |