diff options
| author | Anup patel <[email protected]> | 2019-01-22 14:20:59 +0530 |
|---|---|---|
| committer | Anup Patel <[email protected]> | 2019-01-23 08:39:26 +0530 |
| commit | 18ec89e46e3cf8011b30deded6ea8d77720bdb3c (patch) | |
| tree | e2fcd2f5fa1928a0f9b7d2b2c2dc8b42296d5d1e /platform/common/sys | |
| parent | fea9e2b5f37446845bec3cc9e2edd6f8308c2332 (diff) | |
lib: Remove source_hart and hartid parameter from IPI callbacks
The source_hart and hartid parameter is really not required in
IPI callbacks of sbi_platform because current hartid can always
be obtained by calling sbi_current_hartid() API.
Signed-off-by: Anup Patel <[email protected]>
Diffstat (limited to 'platform/common/sys')
| -rw-r--r-- | platform/common/sys/clint.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/platform/common/sys/clint.c b/platform/common/sys/clint.c index e84c3829..fc95fd3e 100644 --- a/platform/common/sys/clint.c +++ b/platform/common/sys/clint.c @@ -9,28 +9,28 @@ #include <sbi/riscv_io.h> #include <sbi/riscv_atomic.h> +#include <sbi/sbi_hart.h> #include <plat/sys/clint.h> static u32 clint_ipi_hart_count; static volatile void *clint_ipi_base; static volatile u32 *clint_ipi; -void clint_ipi_inject(u32 target_hart, u32 source_hart) +void clint_ipi_inject(u32 target_hart) { - if ((clint_ipi_hart_count <= target_hart) || - (clint_ipi_hart_count <= source_hart)) + if (clint_ipi_hart_count <= target_hart) return; /* Set CLINT IPI */ writel(1, &clint_ipi[target_hart]); } -void clint_ipi_sync(u32 target_hart, u32 source_hart) +void clint_ipi_sync(u32 target_hart) { u32 target_ipi, incoming_ipi; + u32 source_hart = sbi_current_hartid(); - if ((clint_ipi_hart_count <= target_hart) || - (clint_ipi_hart_count <= source_hart)) + if (clint_ipi_hart_count <= target_hart) return; /* Wait until target HART has handled IPI */ @@ -57,14 +57,15 @@ void clint_ipi_clear(u32 target_hart) writel(0, &clint_ipi[target_hart]); } -int clint_warm_ipi_init(u32 target_hart) +int clint_warm_ipi_init(void) { - if (clint_ipi_hart_count <= target_hart || - !clint_ipi_base) + u32 hartid = sbi_current_hartid(); + + if (!clint_ipi_base) return -1; /* Clear CLINT IPI */ - clint_ipi_clear(target_hart); + clint_ipi_clear(hartid); return 0; } |