Commit f4d430db authored by Jiaxun Yang's avatar Jiaxun Yang Committed by Thomas Bogendoerfer
Browse files

platform: mips: cpu_hwmon: Disable driver on unsupported hardware 



cpu_hwmon is unsupported on CPUs without loongson_chiptemp
register and csr.

Cc: stable@vger.kernel.org
Signed-off-by: default avatarJiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: default avatarThomas Bogendoerfer <tsbogend@alpha.franken.de>
parent c04366b1

drivers/platform/mips/cpu_hwmon.c

+3 −0
Original line number Diff line number Diff line
@@ -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;