[PARISC] Convert parisc_device to use struct resource for hpa

Convert pa_dev->hpa from an unsigned long to a struct resource.

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

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

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

Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
diff --git a/drivers/serial/mux.c b/drivers/serial/mux.c
index a12005b..009ce83 100644
--- a/drivers/serial/mux.c
+++ b/drivers/serial/mux.c
@@ -444,7 +444,7 @@
 	unsigned long bytecnt;
 	struct uart_port *port;
 
-	status = pdc_iodc_read(&bytecnt, dev->hpa, 0, iodc_data, 32);
+	status = pdc_iodc_read(&bytecnt, dev->hpa.start, 0, iodc_data, 32);
 	if(status != PDC_OK) {
 		printk(KERN_ERR "Serial mux: Unable to read IODC.\n");
 		return 1;