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Diffstat (limited to 'arch/sparc64/kernel/irq.c')
-rw-r--r--arch/sparc64/kernel/irq.c61
1 files changed, 0 insertions, 61 deletions
diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c
index 31e0fbb0d82..cc89b06d017 100644
--- a/arch/sparc64/kernel/irq.c
+++ b/arch/sparc64/kernel/irq.c
@@ -563,67 +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;