diff options
author | Pali Rohár <pali@kernel.org> | 2021-07-26 15:58:59 +0300 |
---|---|---|
committer | Stefan Roese <sr@denx.de> | 2021-07-31 10:59:59 +0300 |
commit | 2cc4be280c259ac1e8e74c643c72e0331266056f (patch) | |
tree | 12a2b59bf6475489ce9d20ba79b65dc26286b1fa /drivers/serial/serial_mvebu_a3700.c | |
parent | 5cd424d71f9f94b6524f929fb90ff6fa8d4eee28 (diff) | |
download | u-boot-2cc4be280c259ac1e8e74c643c72e0331266056f.tar.xz |
serial: a37xx: Do not call get_ref_clk() in _debug_uart_init()
Static inline function _debug_uart_init() should avoid calling external
(non-inline) functions. Therefore do not call get_ref_clk() in
_debug_uart_init() and reimplement its functionality without external
function calls.
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'drivers/serial/serial_mvebu_a3700.c')
-rw-r--r-- | drivers/serial/serial_mvebu_a3700.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/serial/serial_mvebu_a3700.c b/drivers/serial/serial_mvebu_a3700.c index 52dc3fdad7..6bca8e4b7e 100644 --- a/drivers/serial/serial_mvebu_a3700.c +++ b/drivers/serial/serial_mvebu_a3700.c @@ -305,6 +305,7 @@ U_BOOT_DRIVER(serial_mvebu) = { #ifdef CONFIG_DEBUG_MVEBU_A3700_UART #include <debug_uart.h> +#include <mach/soc.h> static inline void _debug_uart_init(void) { @@ -322,7 +323,8 @@ static inline void _debug_uart_init(void) * Calculate divider * baudrate = clock / 16 / divider */ - parent_rate = get_ref_clk() * 1000000; + parent_rate = (readl(MVEBU_REGISTER(0x13808)) & BIT(9)) ? + 40000000 : 25000000; divider = DIV_ROUND_CLOSEST(parent_rate, CONFIG_BAUDRATE * 16); writel(divider, base + UART_BAUD_REG); |