diff options
Diffstat (limited to 'drivers/tty/serial/s3c2440.c')
| -rw-r--r-- | drivers/tty/serial/s3c2440.c | 58 |
1 files changed, 4 insertions, 54 deletions
diff --git a/drivers/tty/serial/s3c2440.c b/drivers/tty/serial/s3c2440.c index 4498828630f1..39930f819fa2 100644 --- a/drivers/tty/serial/s3c2440.c +++ b/drivers/tty/serial/s3c2440.c @@ -25,58 +25,6 @@ #include "samsung.h" - -static int s3c2440_serial_setsource(struct uart_port *port, - struct s3c24xx_uart_clksrc *clk) -{ - unsigned long ucon = rd_regl(port, S3C2410_UCON); - - /* todo - proper fclk<>nonfclk switch. */ - - ucon &= ~S3C2440_UCON_CLKMASK; - - if (strcmp(clk->name, "uclk") == 0) - ucon |= S3C2440_UCON_UCLK; - else if (strcmp(clk->name, "pclk") == 0) - ucon |= S3C2440_UCON_PCLK; - else if (strcmp(clk->name, "fclk_n") == 0) - ucon |= S3C2440_UCON_FCLK; - else { - printk(KERN_ERR "unknown clock source %s\n", clk->name); - return -EINVAL; - } - - wr_regl(port, S3C2410_UCON, ucon); - return 0; -} - - -static int s3c2440_serial_getsource(struct uart_port *port, - struct s3c24xx_uart_clksrc *clk) -{ - unsigned long ucon = rd_regl(port, S3C2410_UCON); - - switch (ucon & S3C2440_UCON_CLKMASK) { - case S3C2440_UCON_UCLK: - clk->divisor = 1; - clk->name = "uclk"; - break; - - case S3C2440_UCON_PCLK: - case S3C2440_UCON_PCLK2: - clk->divisor = 1; - clk->name = "pclk"; - break; - - case S3C2440_UCON_FCLK: - clk->divisor = 1; - clk->name = "fclk_n"; - break; - } - - return 0; -} - static int s3c2440_serial_resetport(struct uart_port *port, struct s3c2410_uartcfg *cfg) { @@ -110,8 +58,10 @@ static struct s3c24xx_uart_info s3c2440_uart_inf = { .tx_fifofull = S3C2440_UFSTAT_TXFULL, .tx_fifomask = S3C2440_UFSTAT_TXMASK, .tx_fifoshift = S3C2440_UFSTAT_TXSHIFT, - .get_clksrc = s3c2440_serial_getsource, - .set_clksrc = s3c2440_serial_setsource, + .def_clk_sel = S3C2410_UCON_CLKSEL2, + .num_clks = 4, + .clksel_mask = S3C2440_UCON_CLKMASK, + .clksel_shift = S3C2440_UCON_CLKSHIFT, .reset_port = s3c2440_serial_resetport, }; |