diff options
| author | Felix Held <felix-coreboot@felixheld.de> | 2020-09-11 15:47:09 +0200 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2020-09-12 14:59:33 +0000 |
| commit | e3a1247b15e756f01d9c25bc71fa2cf563de34a8 (patch) | |
| tree | b5b3757f41355f0e046968f4bdf3c06b51941914 /src/soc/nvidia/tegra124 | |
| parent | 8395165eee0ab487993e78de52a63dbc669f6684 (diff) | |
include/console/uart: make index parameter unsigned
The UART index is never negative, so make it unsigned and drop the
checks for the index to be non-negative.
Change-Id: I64bd60bd2a3b82552cb3ac6524792b9ac6c09a94
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45294
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'src/soc/nvidia/tegra124')
| -rw-r--r-- | src/soc/nvidia/tegra124/uart.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/src/soc/nvidia/tegra124/uart.c b/src/soc/nvidia/tegra124/uart.c index d016cc2618..4f24c0da66 100644 --- a/src/soc/nvidia/tegra124/uart.c +++ b/src/soc/nvidia/tegra124/uart.c @@ -76,12 +76,12 @@ static int tegra124_uart_tst_byte(struct tegra124_uart *uart_ptr) return (read8(&uart_ptr->lsr) & UART8250_LSR_DR) == UART8250_LSR_DR; } -uintptr_t uart_platform_base(int idx) +uintptr_t uart_platform_base(unsigned int idx) { //Default to UART A unsigned int base = 0x70006000; //UARTs A - E are mapped as index 0 - 4 - if ((idx < 5) && (idx >= 0)) { + if ((idx < 5)) { if (idx != 1) { //not UART B base += idx * 0x100; } else { @@ -91,25 +91,25 @@ uintptr_t uart_platform_base(int idx) return base; } -void uart_init(int idx) +void uart_init(unsigned int idx) { struct tegra124_uart *uart_ptr = uart_platform_baseptr(idx); tegra124_uart_init(uart_ptr); } -unsigned char uart_rx_byte(int idx) +unsigned char uart_rx_byte(unsigned int idx) { struct tegra124_uart *uart_ptr = uart_platform_baseptr(idx); return tegra124_uart_rx_byte(uart_ptr); } -void uart_tx_byte(int idx, unsigned char data) +void uart_tx_byte(unsigned int idx, unsigned char data) { struct tegra124_uart *uart_ptr = uart_platform_baseptr(idx); tegra124_uart_tx_byte(uart_ptr, data); } -void uart_tx_flush(int idx) +void uart_tx_flush(unsigned int idx) { struct tegra124_uart *uart_ptr = uart_platform_baseptr(idx); tegra124_uart_tx_flush(uart_ptr); |