diff options
| -rw-r--r-- | arch/riscv/cpu/cpu.c | 12 | ||||
| -rw-r--r-- | drivers/cpu/riscv_cpu.c | 8 |
2 files changed, 11 insertions, 9 deletions
diff --git a/arch/riscv/cpu/cpu.c b/arch/riscv/cpu/cpu.c index ecfefa1a025..99083e11dfa 100644 --- a/arch/riscv/cpu/cpu.c +++ b/arch/riscv/cpu/cpu.c @@ -39,7 +39,7 @@ static inline bool supports_extension(char ext) return csr_read(CSR_MISA) & (1 << (ext - 'a')); #elif CONFIG_CPU struct udevice *dev; - char desc[32]; + const char *isa; int i; uclass_find_first_device(UCLASS_CPU, &dev); @@ -47,12 +47,14 @@ static inline bool supports_extension(char ext) debug("unable to find the RISC-V cpu device\n"); return false; } - if (!cpu_get_desc(dev, desc, sizeof(desc))) { + + isa = dev_read_string(dev, "riscv,isa"); + if (isa) { /* * skip the first 4 characters (rv32|rv64) */ - for (i = 4; i < sizeof(desc); i++) { - switch (desc[i]) { + for (i = 4; i < sizeof(isa); i++) { + switch (isa[i]) { case 's': case 'x': case 'z': @@ -64,7 +66,7 @@ static inline bool supports_extension(char ext) */ return false; default: - if (desc[i] == ext) + if (isa[i] == ext) return true; } } diff --git a/drivers/cpu/riscv_cpu.c b/drivers/cpu/riscv_cpu.c index 5d1026b37da..9b1950efe05 100644 --- a/drivers/cpu/riscv_cpu.c +++ b/drivers/cpu/riscv_cpu.c @@ -21,13 +21,13 @@ DECLARE_GLOBAL_DATA_PTR; static int riscv_cpu_get_desc(const struct udevice *dev, char *buf, int size) { - const char *isa; + const char *cpu; - isa = dev_read_string(dev, "riscv,isa"); - if (size < (strlen(isa) + 1)) + cpu = dev_read_string(dev, "compatible"); + if (size < (strlen(cpu) + 1)) return -ENOSPC; - strcpy(buf, isa); + strcpy(buf, cpu); return 0; } |