diff options
| author | Anup Patel <anup.patel@wdc.com> | 2020-08-17 18:12:48 +0530 |
|---|---|---|
| committer | Palmer Dabbelt <palmerdabbelt@google.com> | 2020-08-20 10:55:40 -0700 |
| commit | cc7f3f72dc2ae2b383142896d79ca1e237ad7e8b (patch) | |
| tree | b0b8d25b06abf88592ec0a70476cc0fb291fe88e /arch/riscv/include/asm/clint.h | |
| parent | 9123e3a74ec7b934a4a099e98af6a61c2f80bbf5 (diff) | |
RISC-V: Add mechanism to provide custom IPI operations
We add mechanism to set custom IPI operations so that CLINT driver
from drivers directory can provide custom IPI operations.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Tested-by: Emil Renner Berhing <kernel@esmil.dk>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'arch/riscv/include/asm/clint.h')
| -rw-r--r-- | arch/riscv/include/asm/clint.h | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/arch/riscv/include/asm/clint.h b/arch/riscv/include/asm/clint.h index a279b17a6aad..adaba98a7d6c 100644 --- a/arch/riscv/include/asm/clint.h +++ b/arch/riscv/include/asm/clint.h @@ -6,34 +6,9 @@ #include <linux/smp.h> #ifdef CONFIG_RISCV_M_MODE -extern u32 __iomem *clint_ipi_base; - void clint_init_boot_cpu(void); - -static inline void clint_send_ipi_single(unsigned long hartid) -{ - writel(1, clint_ipi_base + hartid); -} - -static inline void clint_send_ipi_mask(const struct cpumask *mask) -{ - int cpu; - - for_each_cpu(cpu, mask) - clint_send_ipi_single(cpuid_to_hartid_map(cpu)); -} - -static inline void clint_clear_ipi(unsigned long hartid) -{ - writel(0, clint_ipi_base + hartid); -} #else /* CONFIG_RISCV_M_MODE */ #define clint_init_boot_cpu() do { } while (0) - -/* stubs to for code is only reachable under IS_ENABLED(CONFIG_RISCV_M_MODE): */ -void clint_send_ipi_single(unsigned long hartid); -void clint_send_ipi_mask(const struct cpumask *hartid_mask); -void clint_clear_ipi(unsigned long hartid); #endif /* CONFIG_RISCV_M_MODE */ #endif /* _ASM_RISCV_CLINT_H */ |