AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

fix cpufreq

Browse Source 
Signed-off-by: a@b.com <a@b.com>
This commit is contained in:
a@b.com 2023-04-27 15:47:49 +08:00
parent 359d67a0a0
commit b49c6eb3ae
4 changed files with 15 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/cpufreq/Kconfig.arm
View File

@ -340,3 +340,9 @@ config ARM_PXA2xx_CPUFREQ
This add the CPUFreq driver support for Intel PXA2xx SOCs. This add the CPUFreq driver support for Intel PXA2xx SOCs.
If in doubt, say N. If in doubt, say N.
config ARM64_PHYTIUM_CPUFREQ
bool "Phytium CPUFreq support"
depends on CPUFREQ_DT && CPUFREQ_DT_PLATDEV
default y
help
This add the CPUFreq driver support for Ft2004

1
drivers/cpufreq/Makefile
View File

@ -86,6 +86,7 @@ obj-$(CONFIG_ARM_TEGRA186_CPUFREQ) += tegra186-cpufreq.o
obj-$(CONFIG_ARM_TEGRA194_CPUFREQ) += tegra194-cpufreq.o obj-$(CONFIG_ARM_TEGRA194_CPUFREQ) += tegra194-cpufreq.o
obj-$(CONFIG_ARM_TI_CPUFREQ) += ti-cpufreq.o obj-$(CONFIG_ARM_TI_CPUFREQ) += ti-cpufreq.o
obj-$(CONFIG_ARM_VEXPRESS_SPC_CPUFREQ) += vexpress-spc-cpufreq.o obj-$(CONFIG_ARM_VEXPRESS_SPC_CPUFREQ) += vexpress-spc-cpufreq.o
obj-$(CONFIG_ARM64_PHYTIUM_CPUFREQ) += ft2004-cpufreq.o
################################################################################## ##################################################################################

4
drivers/cpufreq/ft2004-cpufreq.c
View File

@ -153,6 +153,7 @@ static struct cpufreq_driver ft2004_freq_driver = {
.attr = cpufreq_generic_attr, .attr = cpufreq_generic_attr,
}; };
extern bool cpu_is_phytium(void);
static int __init ft2004_freq_init(void) static int __init ft2004_freq_init(void)
{ {
int ret; int ret;
@ -177,13 +178,12 @@ static int __init ft2004_freq_init(void)
return ret; return ret;
} }
static void __exit ft2004_freq_exit(void) static void __exit ft2004_freq_exit(void)
{ {
int i; int i;
if (!cpu_is_phytium()) { if (!cpu_is_phytium()) {
return -EPERM; return ;
} }
cpufreq_unregister_driver(&ft2004_freq_driver); cpufreq_unregister_driver(&ft2004_freq_driver);

5
lib/classtypes.c
View File

@ -47,8 +47,13 @@ char *get_cpu_name(void)
dmi_walk(get_cpuname_by_dmi, cpu_name); dmi_walk(get_cpuname_by_dmi, cpu_name);
if(cpu_name == NULL) { if(cpu_name == NULL) {
#ifdef CONFIG_ARCH_PHYTIUM
pr_info("Q cpu_name null, change\n");
return "FT-2000/4";
#else
/* Some BIOS don't support getting CPU name from DMI */ /* Some BIOS don't support getting CPU name from DMI */
return "UNKNOWN-CPU"; return "UNKNOWN-CPU";
#endif
} }
return cpu_name; return cpu_name;