We want to be able to add other common code to this function. So change the driver's version to have an underscore before it, just like _debug_uart_putc(). Define debug_uart_init() to call this version.
Update all drivers to this new method.
Signed-off-by: Simon Glass sjg@chromium.org ---
drivers/serial/ns16550.c | 2 +- drivers/serial/serial_efi.c | 2 +- drivers/serial/serial_s5p.c | 2 +- include/debug_uart.h | 9 +++++++-- lib/efi/efi_stub.c | 2 +- 5 files changed, 11 insertions(+), 6 deletions(-)
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c index 6275a11..6433844 100644 --- a/drivers/serial/ns16550.c +++ b/drivers/serial/ns16550.c @@ -257,7 +257,7 @@ int NS16550_tstc(NS16550_t com_port) (1 << CONFIG_DEBUG_UART_SHIFT), \ CONFIG_DEBUG_UART_SHIFT)
-void debug_uart_init(void) +static inline void _debug_uart_init(void) { struct NS16550 *com_port = (struct NS16550 *)CONFIG_DEBUG_UART_BASE; int baud_divisor; diff --git a/drivers/serial/serial_efi.c b/drivers/serial/serial_efi.c index cf57d89..ee3029b 100644 --- a/drivers/serial/serial_efi.c +++ b/drivers/serial/serial_efi.c @@ -107,7 +107,7 @@ static int serial_efi_pending(struct udevice *dev, bool input) * There is nothing to init here since the EFI console is already running by * the time we enter U-Boot. */ -void debug_uart_init(void) +void _debug_uart_init(void) { }
diff --git a/drivers/serial/serial_s5p.c b/drivers/serial/serial_s5p.c index 3f0b588..e7adf0d 100644 --- a/drivers/serial/serial_s5p.c +++ b/drivers/serial/serial_s5p.c @@ -207,7 +207,7 @@ U_BOOT_DRIVER(serial_s5p) = {
#include <debug_uart.h>
-void debug_uart_init(void) +void _debug_uart_init(void) { struct s5p_uart *uart = (struct s5p_uart *)CONFIG_DEBUG_UART_BASE;
diff --git a/include/debug_uart.h b/include/debug_uart.h index a75e377..257ba00 100644 --- a/include/debug_uart.h +++ b/include/debug_uart.h @@ -38,7 +38,7 @@ * To enable the debug UART in your serial driver: * * - #include <debug_uart.h> - * - Define debug_uart_init(), trying to avoid using the stack + * - Define _debug_uart_init(), trying to avoid using the stack * - Define _debug_uart_putc() as static inline (avoiding stack usage) * - Immediately afterwards, add DEBUG_UART_FUNCS to define the rest of the * functionality (printch(), etc.) @@ -132,6 +132,11 @@ void printhex8(uint value); void printhex8(uint value) \ { \ printhex(value, 8); \ - } + } \ +\ + void debug_uart_init(void) \ + { \ + _debug_uart_init(); \ + } \
#endif diff --git a/lib/efi/efi_stub.c b/lib/efi/efi_stub.c index d4d3e49..e138709 100644 --- a/lib/efi/efi_stub.c +++ b/lib/efi/efi_stub.c @@ -59,7 +59,7 @@ struct __packed desctab_info { * considering if we start needing more U-Boot functionality. Note that we * could then move get_codeseg32() to arch/x86/cpu/cpu.c. */ -void debug_uart_init(void) +void _debug_uart_init(void) { }