Pull address_range into release branch

[linux-2.6-omap-h63xx.git] / arch / powerpc / kernel / udbg_16550.c

diff --git a/arch/powerpc/kernel/udbg_16550.c b/arch/powerpc/kernel/udbg_16550.c
index 50fd376446c9d091f7dfcfd3278db490bef42c0b..5d29dcca523c113e62e9a6332552c145fbe01270 100644 (file)
--- a/arch/powerpc/kernel/udbg_16550.c
+++ b/arch/powerpc/kernel/udbg_16550.c
@@ -47,7 +47,7 @@ struct NS16550 {
 
 static volatile struct NS16550 __iomem *udbg_comport;
 
-static void udbg_550_putc(unsigned char c)
+static void udbg_550_putc(char c)
 {
        if (udbg_comport) {
                while ((in_8(&udbg_comport->lsr) & LSR_THRE) == 0)
@@ -69,14 +69,14 @@ static int udbg_550_getc_poll(void)
        return -1;
 }
 
-static unsigned char udbg_550_getc(void)
+static int udbg_550_getc(void)
 {
        if (udbg_comport) {
                while ((in_8(&udbg_comport->lsr) & LSR_DR) == 0)
                        /* wait for char */;
                return in_8(&udbg_comport->rbr);
        }
-       return 0;
+       return -1;
 }
 
 void udbg_init_uart(void __iomem *comport, unsigned int speed,
@@ -137,14 +137,14 @@ unsigned int udbg_probe_uart_speed(void __iomem *comport, unsigned int clock)
        speed = (clock / prescaler) / (divisor * 16);
 
        /* sanity check */
-       if (speed < 9600 || speed > 115200)
+       if (speed < 0 || speed > (clock / 16))
                speed = 9600;
 
        return speed;
 }
 
 #ifdef CONFIG_PPC_MAPLE
-void udbg_maple_real_putc(unsigned char c)
+void udbg_maple_real_putc(char c)
 {
        if (udbg_comport) {
                while ((real_readb(&udbg_comport->lsr) & LSR_THRE) == 0)
@@ -155,7 +155,7 @@ void udbg_maple_real_putc(unsigned char c)
        }
 }
 
-void udbg_init_maple_realmode(void)
+void __init udbg_init_maple_realmode(void)
 {
        udbg_comport = (volatile struct NS16550 __iomem *)0xf40003f8;