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authorFelix Held <felix-coreboot@felixheld.de>2020-09-11 14:53:03 +0200
committerFelix Held <felix-coreboot@felixheld.de>2020-09-12 14:59:12 +0000
commit8395165eee0ab487993e78de52a63dbc669f6684 (patch)
treeb149c022e2eba051632c7f0fd486293cbd5bd1ed /src/soc/amd/picasso/uart.c
parentc92524d488748bbad4c3d169c4b3fa103b27613a (diff)
soc/amd/picasso/uart: make index parameters unsigned
The UART index is never negative, so make it unsigned and drop the check for the index to be non-negative. BRANCH=zork Change-Id: I38b5dad87f8af4fbe8ee1d919230efe48f68686c Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Reviewed-on: https://review.coreboot.org/c/coreboot/+/45292 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/amd/picasso/uart.c')
-rw-r--r--src/soc/amd/picasso/uart.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/soc/amd/picasso/uart.c b/src/soc/amd/picasso/uart.c
index d892333ca1..0bf7eb88d7 100644
--- a/src/soc/amd/picasso/uart.c
+++ b/src/soc/amd/picasso/uart.c
@@ -32,9 +32,9 @@ static const struct _uart_info {
} },
};
-uintptr_t get_uart_base(int idx)
+uintptr_t get_uart_base(unsigned int idx)
{
- if (idx < 0 || idx >= ARRAY_SIZE(uart_info))
+ if (idx >= ARRAY_SIZE(uart_info))
return 0;
return uart_info[idx].base;
@@ -45,12 +45,12 @@ void clear_uart_legacy_config(void)
write16((void *)FCH_UART_LEGACY_DECODE, 0);
}
-void set_uart_config(int idx)
+void set_uart_config(unsigned int idx)
{
uint32_t uart_ctrl;
uint16_t uart_leg;
- if (idx < 0 || idx >= ARRAY_SIZE(uart_info))
+ if (idx >= ARRAY_SIZE(uart_info))
return;
program_gpios(uart_info[idx].mux, 2);