diff options
Diffstat (limited to 'drivers/st/uart/aarch32/stm32_console.S')
-rw-r--r-- | drivers/st/uart/aarch32/stm32_console.S | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/st/uart/aarch32/stm32_console.S b/drivers/st/uart/aarch32/stm32_console.S index 0ed37d1bdd..686b18b969 100644 --- a/drivers/st/uart/aarch32/stm32_console.S +++ b/drivers/st/uart/aarch32/stm32_console.S @@ -1,5 +1,5 @@ /* - * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -193,37 +193,35 @@ func console_stm32_core_getc endfunc console_stm32_core_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_stm32_core_flush +#if ENABLE_ASSERTIONS cmp r0, #0 - beq flush_error + ASM_ASSERT(ne) +#endif /* ENABLE_ASSERTIONS */ /* Check Transmit Data Register Empty */ txe_loop_3: ldr r1, [r0, #USART_ISR] tst r1, #USART_ISR_TXE beq txe_loop_3 - mov r0, #0 - bx lr -flush_error: - mov r0, #-1 bx lr endfunc console_stm32_core_flush /* ------------------------------------------------------ - * int console_stm32_flush(console_t *console) + * void console_stm32_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 * ------------------------------------------------------ */ |