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author | David S. Miller <davem@sunset.davemloft.net> | 2006-06-25 01:32:25 -0700 |
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committer | David S. Miller <davem@sunset.davemloft.net> | 2006-06-25 23:15:01 -0700 |
commit | 350559961593a9680244b22b32733a49e21f25d6 (patch) | |
tree | 587baa8873bfede50fb9d7fdf06176001f2f947f /arch/sparc64/kernel/irq.c | |
parent | 698539187aee83ea6843e29875dde70b473f8bc1 (diff) | |
download | blackbird-op-linux-350559961593a9680244b22b32733a49e21f25d6.tar.gz blackbird-op-linux-350559961593a9680244b22b32733a49e21f25d6.zip |
[SPARC64]: Allow floppy driver to build modular.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/irq.c')
-rw-r--r-- | arch/sparc64/kernel/irq.c | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c index 31e0fbb0d82c..cc89b06d0178 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; |