From 2d6bf754ced8fc66cb945d026b66865da4fede85 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 22 Dec 2020 19:30:19 -0700 Subject: [PATCH] serial: Rename ns16550 functions to lower case Lower case should be used for function names. Update this driver and its callers accordingly. Signed-off-by: Simon Glass Reviewed-by: Andy Shevchenko --- arch/arm/mach-davinci/da850_lowlevel.c | 2 +- arch/arm/mach-davinci/spl.c | 4 ++-- arch/arm/mach-keystone/init.c | 2 +- board/Arcturus/ucp1020/spl.c | 2 +- board/Arcturus/ucp1020/spl_minimal.c | 6 ++--- board/Synology/ds109/ds109.c | 5 +++-- board/freescale/mpc8313erdb/mpc8313erdb.c | 6 ++--- board/freescale/mpc8315erdb/mpc8315erdb.c | 6 ++--- board/freescale/p1010rdb/spl.c | 2 +- board/freescale/p1010rdb/spl_minimal.c | 6 ++--- board/freescale/p1_p2_rdb_pc/spl.c | 2 +- board/freescale/p1_p2_rdb_pc/spl_minimal.c | 6 ++--- board/freescale/t102xrdb/spl.c | 2 +- board/freescale/t104xrdb/spl.c | 2 +- board/freescale/t208xqds/spl.c | 2 +- board/freescale/t208xrdb/spl.c | 2 +- board/freescale/t4rdb/spl.c | 2 +- drivers/serial/ns16550.c | 26 +++++++++++----------- drivers/serial/serial_ns16550.c | 12 +++++----- include/ns16550.h | 10 ++++----- 20 files changed, 54 insertions(+), 53 deletions(-) diff --git a/arch/arm/mach-davinci/da850_lowlevel.c b/arch/arm/mach-davinci/da850_lowlevel.c index 6994ded2c6..759c93747c 100644 --- a/arch/arm/mach-davinci/da850_lowlevel.c +++ b/arch/arm/mach-davinci/da850_lowlevel.c @@ -290,7 +290,7 @@ int arch_cpu_init(void) board_gpio_init(); #if !CONFIG_IS_ENABLED(DM_SERIAL) - NS16550_init((struct ns16550 *)(CONFIG_SYS_NS16550_COM1), + ns16550_init((struct ns16550 *)(CONFIG_SYS_NS16550_COM1), CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE); #endif /* diff --git a/arch/arm/mach-davinci/spl.c b/arch/arm/mach-davinci/spl.c index 3c8330b47f..d0d7a81471 100644 --- a/arch/arm/mach-davinci/spl.c +++ b/arch/arm/mach-davinci/spl.c @@ -27,9 +27,9 @@ void puts(const char *str) void putc(char c) { if (c == '\n') - NS16550_putc((struct ns16550 *)(CONFIG_SYS_NS16550_COM1), '\r'); + ns16550_putc((struct ns16550 *)(CONFIG_SYS_NS16550_COM1), '\r'); - NS16550_putc((struct ns16550 *)(CONFIG_SYS_NS16550_COM1), c); + ns16550_putc((struct ns16550 *)(CONFIG_SYS_NS16550_COM1), c); } #endif /* CONFIG_SPL_LIBCOMMON_SUPPORT */ diff --git a/arch/arm/mach-keystone/init.c b/arch/arm/mach-keystone/init.c index f4edaaaaac..4950f14655 100644 --- a/arch/arm/mach-keystone/init.c +++ b/arch/arm/mach-keystone/init.c @@ -185,7 +185,7 @@ int arch_cpu_init(void) * driver doesn't handle this. */ #ifndef CONFIG_DM_SERIAL - NS16550_init((struct ns16550 *)(CONFIG_SYS_NS16550_COM2), + ns16550_init((struct ns16550 *)(CONFIG_SYS_NS16550_COM2), CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE); #endif diff --git a/board/Arcturus/ucp1020/spl.c b/board/Arcturus/ucp1020/spl.c index 8e607558f4..4ed06a80b7 100644 --- a/board/Arcturus/ucp1020/spl.c +++ b/board/Arcturus/ucp1020/spl.c @@ -58,7 +58,7 @@ void board_init_f(ulong bootflag) bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio; gd->bus_clk = bus_clk; - NS16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM1, + ns16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM1, bus_clk / 16 / CONFIG_BAUDRATE); #ifdef CONFIG_SPL_MMC_BOOT puts("\nSD boot...\n"); diff --git a/board/Arcturus/ucp1020/spl_minimal.c b/board/Arcturus/ucp1020/spl_minimal.c index 38d84afc9e..90abec9cce 100644 --- a/board/Arcturus/ucp1020/spl_minimal.c +++ b/board/Arcturus/ucp1020/spl_minimal.c @@ -34,7 +34,7 @@ void board_init_f(ulong bootflag) plat_ratio >>= 1; gd->bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio; - NS16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM1, + ns16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM1, gd->bus_clk / 16 / CONFIG_BAUDRATE); puts("\nNAND boot... "); @@ -55,9 +55,9 @@ void board_init_r(gd_t *gd, ulong dest_addr) void putc(char c) { if (c == '\n') - NS16550_putc((struct ns16550 *)CONFIG_SYS_NS16550_COM1, '\r'); + ns16550_putc((struct ns16550 *)CONFIG_SYS_NS16550_COM1, '\r'); - NS16550_putc((struct ns16550 *)CONFIG_SYS_NS16550_COM1, c); + ns16550_putc((struct ns16550 *)CONFIG_SYS_NS16550_COM1, c); } void puts(const char *str) diff --git a/board/Synology/ds109/ds109.c b/board/Synology/ds109/ds109.c index c36e4d37fc..fe3b0eb554 100644 --- a/board/Synology/ds109/ds109.c +++ b/board/Synology/ds109/ds109.c @@ -108,8 +108,9 @@ void reset_misc(void) b_d = ns16550_calc_divisor((struct ns16550 *)CONFIG_SYS_NS16550_COM2, CONFIG_SYS_NS16550_CLK, 9600); - NS16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM2, b_d); - NS16550_putc((struct ns16550 *)CONFIG_SYS_NS16550_COM2, SOFTWARE_REBOOT); + ns16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM2, b_d); + ns16550_putc((struct ns16550 *)CONFIG_SYS_NS16550_COM2, + SOFTWARE_REBOOT); } /* Support old kernels */ diff --git a/board/freescale/mpc8313erdb/mpc8313erdb.c b/board/freescale/mpc8313erdb/mpc8313erdb.c index 69fa89146d..7e1a31f265 100644 --- a/board/freescale/mpc8313erdb/mpc8313erdb.c +++ b/board/freescale/mpc8313erdb/mpc8313erdb.c @@ -132,7 +132,7 @@ int ft_board_setup(void *blob, struct bd_info *bd) void board_init_f(ulong bootflag) { board_early_init_f(); - NS16550_init((struct ns16550 *)(CONFIG_SYS_IMMR + 0x4500), + ns16550_init((struct ns16550 *)(CONFIG_SYS_IMMR + 0x4500), CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE); puts("NAND boot... "); timer_init(); @@ -152,8 +152,8 @@ void putc(char c) return; if (c == '\n') - NS16550_putc((struct ns16550 *)(CONFIG_SYS_IMMR + 0x4500), '\r'); + ns16550_putc((struct ns16550 *)(CONFIG_SYS_IMMR + 0x4500), '\r'); - NS16550_putc((struct ns16550 *)(CONFIG_SYS_IMMR + 0x4500), c); + ns16550_putc((struct ns16550 *)(CONFIG_SYS_IMMR + 0x4500), c); } #endif diff --git a/board/freescale/mpc8315erdb/mpc8315erdb.c b/board/freescale/mpc8315erdb/mpc8315erdb.c index fff8699d61..05b983a3f2 100644 --- a/board/freescale/mpc8315erdb/mpc8315erdb.c +++ b/board/freescale/mpc8315erdb/mpc8315erdb.c @@ -220,7 +220,7 @@ int checkboard(void) void board_init_f(ulong bootflag) { board_early_init_f(); - NS16550_init((struct ns16550 *)(CONFIG_SYS_IMMR + 0x4500), + ns16550_init((struct ns16550 *)(CONFIG_SYS_IMMR + 0x4500), CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE); puts("NAND boot... "); timer_init(); @@ -240,9 +240,9 @@ void putc(char c) return; if (c == '\n') - NS16550_putc((struct ns16550 *)(CONFIG_SYS_IMMR + 0x4500), '\r'); + ns16550_putc((struct ns16550 *)(CONFIG_SYS_IMMR + 0x4500), '\r'); - NS16550_putc((struct ns16550 *)(CONFIG_SYS_IMMR + 0x4500), c); + ns16550_putc((struct ns16550 *)(CONFIG_SYS_IMMR + 0x4500), c); } #endif /* CONFIG_NAND_SPL */ diff --git a/board/freescale/p1010rdb/spl.c b/board/freescale/p1010rdb/spl.c index c015a6bf36..35b95e0838 100644 --- a/board/freescale/p1010rdb/spl.c +++ b/board/freescale/p1010rdb/spl.c @@ -44,7 +44,7 @@ void board_init_f(ulong bootflag) plat_ratio >>= 1; gd->bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio; - NS16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM1, + ns16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM1, gd->bus_clk / 16 / CONFIG_BAUDRATE); #ifdef CONFIG_SPL_MMC_BOOT diff --git a/board/freescale/p1010rdb/spl_minimal.c b/board/freescale/p1010rdb/spl_minimal.c index 4cc70ea352..989c5b139a 100644 --- a/board/freescale/p1010rdb/spl_minimal.c +++ b/board/freescale/p1010rdb/spl_minimal.c @@ -31,7 +31,7 @@ void board_init_f(ulong bootflag) plat_ratio >>= 1; gd->bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio; - NS16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM1, + ns16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM1, gd->bus_clk / 16 / CONFIG_BAUDRATE); puts("\nNAND boot... "); @@ -53,9 +53,9 @@ void board_init_r(gd_t *gd, ulong dest_addr) void putc(char c) { if (c == '\n') - NS16550_putc((struct ns16550 *)CONFIG_SYS_NS16550_COM1, '\r'); + ns16550_putc((struct ns16550 *)CONFIG_SYS_NS16550_COM1, '\r'); - NS16550_putc((struct ns16550 *)CONFIG_SYS_NS16550_COM1, c); + ns16550_putc((struct ns16550 *)CONFIG_SYS_NS16550_COM1, c); } void puts(const char *str) diff --git a/board/freescale/p1_p2_rdb_pc/spl.c b/board/freescale/p1_p2_rdb_pc/spl.c index 0b8b8a7575..b16f701ae1 100644 --- a/board/freescale/p1_p2_rdb_pc/spl.c +++ b/board/freescale/p1_p2_rdb_pc/spl.c @@ -50,7 +50,7 @@ void board_init_f(ulong bootflag) bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio; gd->bus_clk = bus_clk; - NS16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM1, + ns16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM1, bus_clk / 16 / CONFIG_BAUDRATE); #ifdef CONFIG_SPL_MMC_BOOT puts("\nSD boot...\n"); diff --git a/board/freescale/p1_p2_rdb_pc/spl_minimal.c b/board/freescale/p1_p2_rdb_pc/spl_minimal.c index 7068e94a2d..eb3f2c83fa 100644 --- a/board/freescale/p1_p2_rdb_pc/spl_minimal.c +++ b/board/freescale/p1_p2_rdb_pc/spl_minimal.c @@ -30,7 +30,7 @@ void board_init_f(ulong bootflag) plat_ratio >>= 1; gd->bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio; - NS16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM1, + ns16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM1, gd->bus_clk / 16 / CONFIG_BAUDRATE); puts("\nNAND boot... "); @@ -51,9 +51,9 @@ void board_init_r(gd_t *gd, ulong dest_addr) void putc(char c) { if (c == '\n') - NS16550_putc((struct ns16550 *)CONFIG_SYS_NS16550_COM1, '\r'); + ns16550_putc((struct ns16550 *)CONFIG_SYS_NS16550_COM1, '\r'); - NS16550_putc((struct ns16550 *)CONFIG_SYS_NS16550_COM1, c); + ns16550_putc((struct ns16550 *)CONFIG_SYS_NS16550_COM1, c); } void puts(const char *str) diff --git a/board/freescale/t102xrdb/spl.c b/board/freescale/t102xrdb/spl.c index d23b2f5fde..66d2f3bda7 100644 --- a/board/freescale/t102xrdb/spl.c +++ b/board/freescale/t102xrdb/spl.c @@ -82,7 +82,7 @@ void board_init_f(ulong bootflag) plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f; ccb_clk = sys_clk * plat_ratio / 2; - NS16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM1, + ns16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM1, ccb_clk / 16 / CONFIG_BAUDRATE); #if defined(CONFIG_SPL_MMC_BOOT) diff --git a/board/freescale/t104xrdb/spl.c b/board/freescale/t104xrdb/spl.c index a93cc38450..28ac12a1fd 100644 --- a/board/freescale/t104xrdb/spl.c +++ b/board/freescale/t104xrdb/spl.c @@ -81,7 +81,7 @@ void board_init_f(ulong bootflag) plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f; uart_clk = sys_clk * plat_ratio / 2; - NS16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM1, + ns16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM1, uart_clk / 16 / CONFIG_BAUDRATE); relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0); diff --git a/board/freescale/t208xqds/spl.c b/board/freescale/t208xqds/spl.c index c6b23e4c69..13e61f083f 100644 --- a/board/freescale/t208xqds/spl.c +++ b/board/freescale/t208xqds/spl.c @@ -81,7 +81,7 @@ void board_init_f(ulong bootflag) plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f; ccb_clk = sys_clk * plat_ratio / 2; - NS16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM1, + ns16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM1, ccb_clk / 16 / CONFIG_BAUDRATE); #if defined(CONFIG_SPL_MMC_BOOT) diff --git a/board/freescale/t208xrdb/spl.c b/board/freescale/t208xrdb/spl.c index 4b84383016..2bba94da7b 100644 --- a/board/freescale/t208xrdb/spl.c +++ b/board/freescale/t208xrdb/spl.c @@ -51,7 +51,7 @@ void board_init_f(ulong bootflag) plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f; ccb_clk = sys_clk * plat_ratio / 2; - NS16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM1, + ns16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM1, ccb_clk / 16 / CONFIG_BAUDRATE); #if defined(CONFIG_SPL_MMC_BOOT) diff --git a/board/freescale/t4rdb/spl.c b/board/freescale/t4rdb/spl.c index efe2b4eb95..fc624efbe6 100644 --- a/board/freescale/t4rdb/spl.c +++ b/board/freescale/t4rdb/spl.c @@ -60,7 +60,7 @@ void board_init_f(ulong bootflag) plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f; ccb_clk = sys_clk * plat_ratio / 2; - NS16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM1, + ns16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM1, ccb_clk / 16 / CONFIG_BAUDRATE); puts("\nSD boot...\n"); diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c index d529b1b807..17808fb70a 100644 --- a/drivers/serial/ns16550.c +++ b/drivers/serial/ns16550.c @@ -212,7 +212,7 @@ int ns16550_calc_divisor(struct ns16550 *port, int clock, int baudrate) return DIV_ROUND_CLOSEST(clock, mode_x_div * baudrate); } -static void NS16550_setbrg(struct ns16550 *com_port, int baud_divisor) +static void ns16550_setbrg(struct ns16550 *com_port, int baud_divisor) { /* to keep serial format, read lcr before writing BKSE */ int lcr_val = serial_in(&com_port->lcr) & ~UART_LCR_BKSE; @@ -223,7 +223,7 @@ static void NS16550_setbrg(struct ns16550 *com_port, int baud_divisor) serial_out(lcr_val, &com_port->lcr); } -void NS16550_init(struct ns16550 *com_port, int baud_divisor) +void ns16550_init(struct ns16550 *com_port, int baud_divisor) { #if (defined(CONFIG_SPL_BUILD) && \ (defined(CONFIG_OMAP34XX) || defined(CONFIG_OMAP44XX))) @@ -235,13 +235,13 @@ void NS16550_init(struct ns16550 *com_port, int baud_divisor) if ((serial_in(&com_port->lsr) & (UART_LSR_TEMT | UART_LSR_THRE)) == UART_LSR_THRE) { if (baud_divisor != -1) - NS16550_setbrg(com_port, baud_divisor); + ns16550_setbrg(com_port, baud_divisor); else { // Re-use old baud rate divisor to flush transmit reg. const int dll = serial_in(&com_port->dll); const int dlm = serial_in(&com_port->dlm); const int divisor = dll | (dlm << 8); - NS16550_setbrg(com_port, divisor); + ns16550_setbrg(com_port, divisor); } serial_out(0, &com_port->mdr1); } @@ -260,7 +260,7 @@ void NS16550_init(struct ns16550 *com_port, int baud_divisor) /* initialize serial config to 8N1 before writing baudrate */ serial_out(UART_LCRVAL, &com_port->lcr); if (baud_divisor != -1) - NS16550_setbrg(com_port, baud_divisor); + ns16550_setbrg(com_port, baud_divisor); #if defined(CONFIG_ARCH_OMAP2PLUS) || defined(CONFIG_SOC_DA8XX) || \ defined(CONFIG_OMAP_SERIAL) /* /16 is proper to hit 115200 with 48MHz */ @@ -272,17 +272,17 @@ void NS16550_init(struct ns16550 *com_port, int baud_divisor) } #ifndef CONFIG_NS16550_MIN_FUNCTIONS -void NS16550_reinit(struct ns16550 *com_port, int baud_divisor) +void ns16550_reinit(struct ns16550 *com_port, int baud_divisor) { serial_out(CONFIG_SYS_NS16550_IER, &com_port->ier); - NS16550_setbrg(com_port, 0); + ns16550_setbrg(com_port, 0); serial_out(UART_MCRVAL, &com_port->mcr); serial_out(ns16550_getfcr(com_port), &com_port->fcr); - NS16550_setbrg(com_port, baud_divisor); + ns16550_setbrg(com_port, baud_divisor); } #endif /* CONFIG_NS16550_MIN_FUNCTIONS */ -void NS16550_putc(struct ns16550 *com_port, char c) +void ns16550_putc(struct ns16550 *com_port, char c) { while ((serial_in(&com_port->lsr) & UART_LSR_THRE) == 0) ; @@ -299,7 +299,7 @@ void NS16550_putc(struct ns16550 *com_port, char c) } #ifndef CONFIG_NS16550_MIN_FUNCTIONS -char NS16550_getc(struct ns16550 *com_port) +char ns16550_getc(struct ns16550 *com_port) { while ((serial_in(&com_port->lsr) & UART_LSR_DR) == 0) { #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_USB_TTY) @@ -311,7 +311,7 @@ char NS16550_getc(struct ns16550 *com_port) return serial_in(&com_port->rbr); } -int NS16550_tstc(struct ns16550 *com_port) +int ns16550_tstc(struct ns16550 *com_port) { return (serial_in(&com_port->lsr) & UART_LSR_DR) != 0; } @@ -423,7 +423,7 @@ static int ns16550_serial_setbrg(struct udevice *dev, int baudrate) clock_divisor = ns16550_calc_divisor(com_port, plat->clock, baudrate); - NS16550_setbrg(com_port, clock_divisor); + ns16550_setbrg(com_port, clock_divisor); return 0; } @@ -520,7 +520,7 @@ int ns16550_serial_probe(struct udevice *dev) reset_deassert_bulk(&reset_bulk); com_port->plat = dev_get_plat(dev); - NS16550_init(com_port, -1); + ns16550_init(com_port, -1); return 0; } diff --git a/drivers/serial/serial_ns16550.c b/drivers/serial/serial_ns16550.c index a8d3602e9b..b5beca976d 100644 --- a/drivers/serial/serial_ns16550.c +++ b/drivers/serial/serial_ns16550.c @@ -78,7 +78,7 @@ static struct ns16550 *serial_ports[6] = { int clock_divisor; \ clock_divisor = ns16550_calc_divisor(serial_ports[port-1], \ CONFIG_SYS_NS16550_CLK, gd->baudrate); \ - NS16550_init(serial_ports[port-1], clock_divisor); \ + ns16550_init(serial_ports[port - 1], clock_divisor); \ return 0 ; \ } \ static void eserial##port##_setbrg(void) \ @@ -117,9 +117,9 @@ static struct ns16550 *serial_ports[6] = { static void _serial_putc(const char c, const int port) { if (c == '\n') - NS16550_putc(PORT, '\r'); + ns16550_putc(PORT, '\r'); - NS16550_putc(PORT, c); + ns16550_putc(PORT, c); } static void _serial_puts(const char *s, const int port) @@ -131,12 +131,12 @@ static void _serial_puts(const char *s, const int port) static int _serial_getc(const int port) { - return NS16550_getc(PORT); + return ns16550_getc(PORT); } static int _serial_tstc(const int port) { - return NS16550_tstc(PORT); + return ns16550_tstc(PORT); } static void _serial_setbrg(const int port) @@ -145,7 +145,7 @@ static void _serial_setbrg(const int port) clock_divisor = ns16550_calc_divisor(PORT, CONFIG_SYS_NS16550_CLK, gd->baudrate); - NS16550_reinit(PORT, clock_divisor); + ns16550_reinit(PORT, clock_divisor); } static inline void diff --git a/include/ns16550.h b/include/ns16550.h index 75c5bf61fd..bef2071998 100644 --- a/include/ns16550.h +++ b/include/ns16550.h @@ -222,11 +222,11 @@ struct ns16550 { /* useful defaults for LCR */ #define UART_LCR_8N1 0x03 -void NS16550_init(struct ns16550 *com_port, int baud_divisor); -void NS16550_putc(struct ns16550 *com_port, char c); -char NS16550_getc(struct ns16550 *com_port); -int NS16550_tstc(struct ns16550 *com_port); -void NS16550_reinit(struct ns16550 *com_port, int baud_divisor); +void ns16550_init(struct ns16550 *com_port, int baud_divisor); +void ns16550_putc(struct ns16550 *com_port, char c); +char ns16550_getc(struct ns16550 *com_port); +int ns16550_tstc(struct ns16550 *com_port); +void ns16550_reinit(struct ns16550 *com_port, int baud_divisor); /** * ns16550_calc_divisor() - calculate the divisor given clock and baud rate