Merge branch 'for_paulus' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc

[pandora-kernel.git] / arch / sparc64 / kernel / irq.c

diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c
index a8c9dc8..cc89b06 100644 (file)
--- a/arch/sparc64/kernel/irq.c
+++ b/arch/sparc64/kernel/irq.c
@@ -34,6 +34,7 @@
 #include <asm/iommu.h>
 #include <asm/upa.h>
 #include <asm/oplib.h>
+#include <asm/prom.h>
 #include <asm/timer.h>
 #include <asm/smp.h>
 #include <asm/starfire.h>
@@ -562,67 +563,6 @@ void handler_irq(int irq, struct pt_regs *regs)
        irq_exit();
 }
 
-#ifdef CONFIG_BLK_DEV_FD
-extern irqreturn_t floppy_interrupt(int, void *, struct pt_regs *);
-
-/* XXX No easy way to include asm/floppy.h XXX */
-extern unsigned char *pdma_vaddr;
-extern unsigned long pdma_size;
-extern volatile int doing_pdma;
-extern unsigned long fdc_status;
-
-irqreturn_t sparc_floppy_irq(int irq, void *dev_cookie, struct pt_regs *regs)
-{
-       if (likely(doing_pdma)) {
-               void __iomem *stat = (void __iomem *) fdc_status;
-               unsigned char *vaddr = pdma_vaddr;
-               unsigned long size = pdma_size;
-               u8 val;
-
-               while (size) {
-                       val = readb(stat);
-                       if (unlikely(!(val & 0x80))) {
-                               pdma_vaddr = vaddr;
-                               pdma_size = size;
-                               return IRQ_HANDLED;
-                       }
-                       if (unlikely(!(val & 0x20))) {
-                               pdma_vaddr = vaddr;
-                               pdma_size = size;
-                               doing_pdma = 0;
-                               goto main_interrupt;
-                       }
-                       if (val & 0x40) {
-                               /* read */
-                               *vaddr++ = readb(stat + 1);
-                       } else {
-                               unsigned char data = *vaddr++;
-
-                               /* write */
-                               writeb(data, stat + 1);
-                       }
-                       size--;
-               }
-
-               pdma_vaddr = vaddr;
-               pdma_size = size;
-
-               /* Send Terminal Count pulse to floppy controller. */
-               val = readb(auxio_register);
-               val |= AUXIO_AUX1_FTCNT;
-               writeb(val, auxio_register);
-               val &= ~AUXIO_AUX1_FTCNT;
-               writeb(val, auxio_register);
-
-               doing_pdma = 0;
-       }
-
-main_interrupt:
-       return floppy_interrupt(irq, dev_cookie, regs);
-}
-EXPORT_SYMBOL(sparc_floppy_irq);
-#endif
-
 struct sun5_timer {
        u64     count0;
        u64     limit0;
@@ -635,23 +575,29 @@ static u64 prom_limit0, prom_limit1;
 
 static void map_prom_timers(void)
 {
-       unsigned int addr[3];
-       int tnode, err;
+       struct device_node *dp;
+       unsigned int *addr;
 
        /* PROM timer node hangs out in the top level of device siblings... */
-       tnode = prom_finddevice("/counter-timer");
+       dp = of_find_node_by_path("/");
+       dp = dp->child;
+       while (dp) {
+               if (!strcmp(dp->name, "counter-timer"))
+                       break;
+               dp = dp->sibling;
+       }
 
        /* Assume if node is not present, PROM uses different tick mechanism
         * which we should not care about.
         */
-       if (tnode == 0 || tnode == -1) {
+       if (!dp) {
                prom_timers = (struct sun5_timer *) 0;
                return;
        }
 
        /* If PROM is really using this, it must be mapped by him. */
-       err = prom_getproperty(tnode, "address", (char *)addr, sizeof(addr));
-       if (err == -1) {
+       addr = of_get_property(dp, "address", NULL);
+       if (!addr) {
                prom_printf("PROM does not have timer mapped, trying to continue.\n");
                prom_timers = (struct sun5_timer *) 0;
                return;