[PARISC] Fix mux.c driver

Missing spin_lock_init() made the Mux driver hang on SMP systems.

Fix up users of ->hpa to use ->hpa.start instead

Remove warning in 8250_gsc.c by eliminating serial_line_nr

Signed-off-by: Matthew Wilcox <willy@parisc-linux.org>

Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>

2 files changed, 5 insertions, 3 deletions

diff --git a/drivers/serial/8250_gsc.c b/drivers/serial/8250_gsc.c
index abc5a0cfe243..8b4947933d9b 100644
--- a/drivers/serial/8250_gsc.c
+++ b/drivers/serial/8250_gsc.c
@@ -29,7 +29,6 @@
 static int __init 
 serial_init_chip(struct parisc_device *dev)
 {
-        static int serial_line_nr;
         struct uart_port port;
         unsigned long address;
         int err;
diff --git a/drivers/serial/mux.c b/drivers/serial/mux.c
index 009ce83c8ef5..660bae5ba179 100644
--- a/drivers/serial/mux.c
+++ b/drivers/serial/mux.c
@@ -27,6 +27,7 @@
 #include <linux/delay.h> /* for udelay */
 #include <linux/device.h>
 #include <asm/io.h>
+#include <asm/irq.h>
 #include <asm/parisc-device.h>
 
 #ifdef CONFIG_MAGIC_SYSRQ
@@ -469,16 +470,18 @@ static int __init mux_probe(struct parisc_device *dev)
         for(i = 0; i < ports; ++i, ++port_cnt) {
                 port = &mux_ports[port_cnt];
                 port->iobase    = 0;
-                port->mapbase   = dev->hpa + MUX_OFFSET + (i * MUX_LINE_OFFSET);
+                port->mapbase   = dev->hpa.start + MUX_OFFSET +
+                                                (i * MUX_LINE_OFFSET);
                 port->membase   = ioremap(port->mapbase, MUX_LINE_OFFSET);
                 port->iotype    = SERIAL_IO_MEM;
                 port->type      = PORT_MUX;
-                port->irq       = SERIAL_IRQ_NONE;
+                port->irq       = NO_IRQ;
                 port->uartclk   = 0;
                 port->fifosize  = MUX_FIFO_SIZE;
                 port->ops       = &mux_pops;
                 port->flags     = UPF_BOOT_AUTOCONF;
                 port->line      = port_cnt;
+                spin_lock_init(&port->lock);
                 status = uart_add_one_port(&mux_driver, port);
                 BUG_ON(status);
         }