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path: root/drivers/arm/pl011/aarch32/pl011_console.S
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Diffstat (limited to 'drivers/arm/pl011/aarch32/pl011_console.S')
-rw-r--r--drivers/arm/pl011/aarch32/pl011_console.S18
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/arm/pl011/aarch32/pl011_console.S b/drivers/arm/pl011/aarch32/pl011_console.S
index 93045f03dc..9caeb0c692 100644
--- a/drivers/arm/pl011/aarch32/pl011_console.S
+++ b/drivers/arm/pl011/aarch32/pl011_console.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -222,17 +222,19 @@ func console_pl011_getc
endfunc console_pl011_getc
/* ---------------------------------------------
- * int console_core_flush(uintptr_t base_addr)
+ * void console_core_flush(uintptr_t base_addr)
* Function to force a write of all buffered
* data that hasn't been output.
* In : r0 - console base address
- * Out : return -1 on error else return 0.
+ * Out : void
* Clobber list : r0, r1
* ---------------------------------------------
*/
func console_pl011_core_flush
+#if ENABLE_ASSERTIONS
cmp r0, #0
- beq flush_error
+ ASM_ASSERT(ne)
+#endif /* ENABLE_ASSERTIONS */
1:
/* Loop while the transmit FIFO is busy */
@@ -240,19 +242,15 @@ func console_pl011_core_flush
tst r1, #PL011_UARTFR_BUSY
bne 1b
- mov r0, #0
- bx lr
-flush_error:
- mov r0, #-1
bx lr
endfunc console_pl011_core_flush
/* ---------------------------------------------
- * int console_pl011_flush(console_t *console)
+ * void console_pl011_flush(console_t *console)
* Function to force a write of all buffered
* data that hasn't been output.
* In : r0 - pointer to console_t structure
- * Out : return -1 on error else return 0.
+ * Out : void
* Clobber list: r0, r1
* ---------------------------------------------
*/