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lib: sbi_ipi: Make .ipi_clear always target the current hart

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All existing users of this operation target the current hart, and it
seems unlikely that a future user will need to clear the pending IPI
status of a remote hart. Simplify the logic by changing .ipi_clear (and
its wrapper sbi_ipi_raw_clear()) to always operate on the current hart.

This incidentally fixes a bug introduced in commit 78c667b6fc ("lib:
sbi: Prefer hartindex over hartid in IPI framework"), which changed the
.ipi_clear parameter from a hartid to a hart index, but failed to update
the warm_init functions to match.

Fixes: 78c667b6fc ("lib: sbi: Prefer hartindex over hartid in IPI framework")
Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Samuel Holland
2024-10-25 11:59:46 -07:00
committed by Anup Patel
parent db8f03e512
commit be9752a071
5 changed files with 14 additions and 20 deletions
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6
include/sbi/sbi_ipi.h
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@@ -26,8 +26,8 @@ struct sbi_ipi_device {
/** Send IPI to a target HART index */
void (*ipi_send)(u32 hart_index);
/** Clear IPI for a target HART index */
void (*ipi_clear)(u32 hart_index);
/** Clear IPI for the current hart */
void (*ipi_clear)(void);
};
enum sbi_ipi_update_type {
@@ -87,7 +87,7 @@ void sbi_ipi_process(void);
int sbi_ipi_raw_send(u32 hartindex);
void sbi_ipi_raw_clear(u32 hartindex);
void sbi_ipi_raw_clear(void);
const struct sbi_ipi_device *sbi_ipi_get_device(void);