Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-serial

[pandora-kernel.git] / drivers / serial / 8250.c

diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index cef03e6..cc2a205 100644 (file)
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -320,8 +320,8 @@ static unsigned int serial_in(struct uart_8250_port *up, int offset)
 
        case UPIO_TSI:
                if (offset == UART_IIR) {
-                       tmp = readl((u32 *)(up->port.membase + UART_RX));
-                       return (cpu_to_le32(tmp) >> 8) & 0xff;
+                       tmp = readl(up->port.membase + (UART_IIR & ~3));
+                       return (tmp >> 16) & 0xff; /* UART_IIR % 4 == 2 */
                } else
                        return readb(up->port.membase + offset);
 
@@ -1896,6 +1896,17 @@ serial8250_set_termios(struct uart_port *port, struct termios *termios,
                serial_outp(up, UART_EFR, efr);
        }
 
+#ifdef CONFIG_ARCH_OMAP15XX
+       /* Workaround to enable 115200 baud on OMAP1510 internal ports */
+       if (cpu_is_omap1510() && is_omap_port((unsigned int)up->port.membase)) {
+               if (baud == 115200) {
+                       quot = 1;
+                       serial_out(up, UART_OMAP_OSC_12M_SEL, 1);
+               } else
+                       serial_out(up, UART_OMAP_OSC_12M_SEL, 0);
+       }
+#endif
+
        if (up->capabilities & UART_NATSEMI) {
                /* Switch to bank 2 not bank 1, to avoid resetting EXCR2 */
                serial_outp(up, UART_LCR, 0xe0);
@@ -2221,9 +2232,10 @@ static inline void wait_for_xmitr(struct uart_8250_port *up, int bits)
        /* Wait up to 1s for flow control if necessary */
        if (up->port.flags & UPF_CONS_FLOW) {
                tmout = 1000000;
-               while (--tmout &&
-                      ((serial_in(up, UART_MSR) & UART_MSR_CTS) == 0))
+               while (!(serial_in(up, UART_MSR) & UART_MSR_CTS) && --tmout) {
                        udelay(1);
+                       touch_nmi_watchdog();
+               }
        }
 }