lib: Add ipi exit API

We add sbi_ipi_exit() API for exit path handling in sbi_exit()
implementation.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
This commit is contained in:
Anup Patel
2020-01-03 09:39:10 +05:30
parent 6469ed101c
commit b325f6baef
4 changed files with 35 additions and 1 deletions

View File

@@ -160,8 +160,25 @@ int sbi_ipi_init(struct sbi_scratch *scratch, bool cold_boot)
if (ret)
return ret;
/* Platform init */
ret = sbi_platform_ipi_init(sbi_platform_ptr(scratch), cold_boot);
if (ret)
return ret;
/* Enable software interrupts */
csr_set(CSR_MIE, MIP_MSIP);
return sbi_platform_ipi_init(sbi_platform_ptr(scratch), cold_boot);
return 0;
}
void sbi_ipi_exit(struct sbi_scratch *scratch)
{
/* Disable software interrupts */
csr_clear(CSR_MIE, MIP_MSIP);
/* Process pending IPIs */
sbi_ipi_process(scratch);
/* Platform exit */
sbi_platform_ipi_exit(sbi_platform_ptr(scratch));
}