On Wed, Apr 27, 2022 at 12:23 AM Atish Patra <atishp@xxxxxxxxxxxx> wrote: > > The ISA extension framework now allows parsing any multi-letter > ISA extension. > > Enable that for sstc extension. > > Signed-off-by: Atish Patra <atishp@xxxxxxxxxxxx> Looks good to me. Reviewed-by: Anup Patel <anup@xxxxxxxxxxxxxx> Regards, Anup > --- > arch/riscv/include/asm/hwcap.h | 1 + > arch/riscv/kernel/cpu.c | 1 + > arch/riscv/kernel/cpufeature.c | 1 + > 3 files changed, 3 insertions(+) > > diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h > index 0734e42f74f2..25915eb60d61 100644 > --- a/arch/riscv/include/asm/hwcap.h > +++ b/arch/riscv/include/asm/hwcap.h > @@ -52,6 +52,7 @@ extern unsigned long elf_hwcap; > */ > enum riscv_isa_ext_id { > RISCV_ISA_EXT_SSCOFPMF = RISCV_ISA_EXT_BASE, > + RISCV_ISA_EXT_SSTC, > RISCV_ISA_EXT_ID_MAX = RISCV_ISA_EXT_MAX, > }; > > diff --git a/arch/riscv/kernel/cpu.c b/arch/riscv/kernel/cpu.c > index ccb617791e56..ca0e4c0db17e 100644 > --- a/arch/riscv/kernel/cpu.c > +++ b/arch/riscv/kernel/cpu.c > @@ -88,6 +88,7 @@ int riscv_of_parent_hartid(struct device_node *node) > */ > static struct riscv_isa_ext_data isa_ext_arr[] = { > __RISCV_ISA_EXT_DATA(sscofpmf, RISCV_ISA_EXT_SSCOFPMF), > + __RISCV_ISA_EXT_DATA(sstc, RISCV_ISA_EXT_SSTC), > __RISCV_ISA_EXT_DATA("", RISCV_ISA_EXT_MAX), > }; > > diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c > index 1b2d42d7f589..a214537c22f1 100644 > --- a/arch/riscv/kernel/cpufeature.c > +++ b/arch/riscv/kernel/cpufeature.c > @@ -192,6 +192,7 @@ void __init riscv_fill_hwcap(void) > set_bit(*ext - 'a', this_isa); > } else { > SET_ISA_EXT_MAP("sscofpmf", RISCV_ISA_EXT_SSCOFPMF); > + SET_ISA_EXT_MAP("sstc", RISCV_ISA_EXT_SSTC); > } > #undef SET_ISA_EXT_MAP > } > -- > 2.25.1 >