Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mattst88...

[linux-2.6.git] / drivers / serial / sh-sci.c

diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 68c7f6cfd728d479f24a63c74f3231d787f81c73..42f3333c4ad09c9ccaf38973b3722dbb68b5e2e6 100644 (file)
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -222,9 +222,9 @@ static inline void sci_init_pins(struct uart_port *port, unsigned int cflag)
                   Set SCP6MD1,0 = {01} (output)  */
                __raw_writew((data & 0x0fcf) | 0x1000, SCPCR);
 
-               data = ctrl_inb(SCPDR);
+               data = __raw_readb(SCPDR);
                /* Set /RTS2 (bit6) = 0 */
-               ctrl_outb(data & 0xbf, SCPDR);
+               __raw_writeb(data & 0xbf, SCPDR);
        }
 }
 #elif defined(CONFIG_CPU_SUBTYPE_SH7722)
@@ -897,11 +897,21 @@ static void sci_shutdown(struct uart_port *port)
 static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
                            struct ktermios *old)
 {
-       unsigned int status, baud, smr_val;
+       unsigned int status, baud, smr_val, max_baud;
        int t = -1;
 
-       baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16);
-       if (likely(baud))
+       /*
+        * earlyprintk comes here early on with port->uartclk set to zero.
+        * the clock framework is not up and running at this point so here
+        * we assume that 115200 is the maximum baud rate. please note that
+        * the baud rate is not programmed during earlyprintk - it is assumed
+        * that the previous boot loader has enabled required clocks and
+        * setup the baud rate generator hardware for us already.
+        */
+       max_baud = port->uartclk ? port->uartclk / 16 : 115200;
+
+       baud = uart_get_baud_rate(port, termios, old, 0, max_baud);
+       if (likely(baud && port->uartclk))
                t = SCBRR_VALUE(baud, port->uartclk);
 
        do {
@@ -1042,7 +1052,18 @@ static void __devinit sci_init_single(struct platform_device *dev,
        sci_port->port.ops      = &sci_uart_ops;
        sci_port->port.iotype   = UPIO_MEM;
        sci_port->port.line     = index;
-       sci_port->port.fifosize = 1;
+
+       switch (p->type) {
+       case PORT_SCIFA:
+               sci_port->port.fifosize = 64;
+               break;
+       case PORT_SCIF:
+               sci_port->port.fifosize = 16;
+               break;
+       default:
+               sci_port->port.fifosize = 1;
+               break;
+       }
 
        if (dev) {
                sci_port->iclk = p->clk ? clk_get(&dev->dev, p->clk) : NULL;