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Message-Id: <20231124070905.1043092-2-apatel@ventanamicro.com>
Date: Fri, 24 Nov 2023 12:39:01 +0530
From: Anup Patel <apatel@...tanamicro.com>
To: Palmer Dabbelt <palmer@...belt.com>,
Paul Walmsley <paul.walmsley@...ive.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jiri Slaby <jirislaby@...nel.org>
Cc: Conor Dooley <conor@...nel.org>,
Andrew Jones <ajones@...tanamicro.com>,
linux-riscv@...ts.infradead.org, linux-serial@...r.kernel.org,
linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
Anup Patel <apatel@...tanamicro.com>
Subject: [PATCH v5 1/5] RISC-V: Add stubs for sbi_console_putchar/getchar()
The functions sbi_console_putchar() and sbi_console_getchar() are
not defined when CONFIG_RISCV_SBI_V01 is disabled so let us add
stub of these functions to avoid "#ifdef" on user side.
Signed-off-by: Anup Patel <apatel@...tanamicro.com>
Reviewed-by: Andrew Jones <ajones@...tanamicro.com>
---
arch/riscv/include/asm/sbi.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h
index 0892f4421bc4..66f3933c14f6 100644
--- a/arch/riscv/include/asm/sbi.h
+++ b/arch/riscv/include/asm/sbi.h
@@ -271,8 +271,13 @@ struct sbiret sbi_ecall(int ext, int fid, unsigned long arg0,
unsigned long arg3, unsigned long arg4,
unsigned long arg5);
+#ifdef CONFIG_RISCV_SBI_V01
void sbi_console_putchar(int ch);
int sbi_console_getchar(void);
+#else
+static inline void sbi_console_putchar(int ch) { }
+static inline int sbi_console_getchar(void) { return -ENOENT; }
+#endif
long sbi_get_mvendorid(void);
long sbi_get_marchid(void);
long sbi_get_mimpid(void);
--
2.34.1
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