[PATCH v11 08/11] RISC-V: Export SBI error to linux error mapping function

From: Atish Patra
Date: Tue Mar 17 2020 - 21:12:18 EST


All SBI related extensions will not be implemented in sbi.c to avoid
bloating. Thus, sbi_err_map_linux_errno() will be used in other files
implementing that specific extension.

Export the function so that it can be used later.

Signed-off-by: Atish Patra <atish.patra@xxxxxxx>
Reviewed-by: Anup Patel <anup.patel@xxxxxxx>
---
arch/riscv/include/asm/sbi.h | 2 ++
arch/riscv/kernel/sbi.c | 3 ++-
2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h
index 29ce2c494386..2bbfd6bada93 100644
--- a/arch/riscv/include/asm/sbi.h
+++ b/arch/riscv/include/asm/sbi.h
@@ -130,6 +130,8 @@ static inline unsigned long sbi_minor_version(void)
{
return sbi_spec_version & SBI_SPEC_VERSION_MINOR_MASK;
}
+
+int sbi_err_map_linux_errno(int err);
#else /* CONFIG_RISCV_SBI */
/* stubs for code that is only reachable under IS_ENABLED(CONFIG_RISCV_SBI): */
void sbi_set_timer(uint64_t stime_value);
diff --git a/arch/riscv/kernel/sbi.c b/arch/riscv/kernel/sbi.c
index 1cc0052e1b63..7c24da59bccf 100644
--- a/arch/riscv/kernel/sbi.c
+++ b/arch/riscv/kernel/sbi.c
@@ -46,7 +46,7 @@ struct sbiret sbi_ecall(int ext, int fid, unsigned long arg0,
}
EXPORT_SYMBOL(sbi_ecall);

-static int sbi_err_map_linux_errno(int err)
+int sbi_err_map_linux_errno(int err)
{
switch (err) {
case SBI_SUCCESS:
@@ -63,6 +63,7 @@ static int sbi_err_map_linux_errno(int err)
return -ENOTSUPP;
};
}
+EXPORT_SYMBOL(sbi_err_map_linux_errno);

#ifdef CONFIG_RISCV_SBI_V01
/**
--
2.25.1