diff options
| -rw-r--r-- | arch/riscv/include/asm/cacheinfo.h | 15 | ||||
| -rw-r--r-- | arch/riscv/kernel/cacheinfo.c | 17 |
2 files changed, 32 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/cacheinfo.h b/arch/riscv/include/asm/cacheinfo.h new file mode 100644 index 000000000000..5d9662e9aba8 --- /dev/null +++ b/arch/riscv/include/asm/cacheinfo.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef _ASM_RISCV_CACHEINFO_H +#define _ASM_RISCV_CACHEINFO_H + +#include <linux/cacheinfo.h> + +struct riscv_cacheinfo_ops { + const struct attribute_group * (*get_priv_group)(struct cacheinfo + *this_leaf); +}; + +void riscv_set_cacheinfo_ops(struct riscv_cacheinfo_ops *ops); + +#endif /* _ASM_RISCV_CACHEINFO_H */ diff --git a/arch/riscv/kernel/cacheinfo.c b/arch/riscv/kernel/cacheinfo.c index 4c90c07d8c39..bd0f122965c3 100644 --- a/arch/riscv/kernel/cacheinfo.c +++ b/arch/riscv/kernel/cacheinfo.c @@ -7,6 +7,23 @@ #include <linux/cpu.h> #include <linux/of.h> #include <linux/of_device.h> +#include <asm/cacheinfo.h> + +static struct riscv_cacheinfo_ops *rv_cache_ops; + +void riscv_set_cacheinfo_ops(struct riscv_cacheinfo_ops *ops) +{ + rv_cache_ops = ops; +} +EXPORT_SYMBOL_GPL(riscv_set_cacheinfo_ops); + +const struct attribute_group * +cache_get_priv_group(struct cacheinfo *this_leaf) +{ + if (rv_cache_ops && rv_cache_ops->get_priv_group) + return rv_cache_ops->get_priv_group(this_leaf); + return NULL; +} static void ci_leaf_init(struct cacheinfo *this_leaf, struct device_node *node, |