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lib:platform: Fix sbi_getc return type.

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As per the current SBI specification, sbi_getc should return
an int instead of char.

In case of FIFO is empty, return -1 as per the specification.

Reported-by: Sergi Granell <xerpi.g.12@gmail.com>
Suggested-by:Thadeu Lima de Souza Cascardo <cascardo@cascardo.eti.br>
Signed-off-by: Atish Patra <atish.patra@wdc.com>
This commit is contained in:
Atish Patra
2019-02-27 17:42:17 -08:00
committed by Anup Patel
parent 05602e2bf4
commit 86cc9b8633
11 changed files with 20 additions and 19 deletions
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2
platform/common/include/plat/serial/uart8250.h
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@@ -14,7 +14,7 @@
void uart8250_putc(char ch);
char uart8250_getc(void);
int uart8250_getc(void);
int uart8250_init(unsigned long base,
u32 in_freq, u32 baudrate,