i8257: remove cpu_request_exit irq

This is unused.  cpu_exit now is almost exclusively an internal function
to the CPU execution loop.  In a few patches, we'll change the remaining
occurrences to qemu_cpu_kick, making it truly internal.

Reviewed-by: Richard henderson <rth@twiddle.net>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 4 insertions, 9 deletions

diff --git a/hw/dma/i8257.c b/hw/dma/i8257.c
index 409ba7d01f..13984244a6 100644
--- a/hw/dma/i8257.c
+++ b/hw/dma/i8257.c
@@ -59,7 +59,6 @@ static struct dma_cont {
     uint8_t flip_flop;
     int dshift;
     struct dma_regs regs[4];
-    qemu_irq *cpu_request_exit;
     MemoryRegion channel_io;
     MemoryRegion cont_io;
 } dma_controllers[2];
@@ -521,13 +520,11 @@ static const MemoryRegionOps cont_io_ops = {
 
 /* dshift = 0: 8 bit DMA, 1 = 16 bit DMA */
 static void dma_init2(struct dma_cont *d, int base, int dshift,
-                      int page_base, int pageh_base,
-                      qemu_irq *cpu_request_exit)
+                      int page_base, int pageh_base)
 {
     int i;
 
     d->dshift = dshift;
-    d->cpu_request_exit = cpu_request_exit;
 
     memory_region_init_io(&d->channel_io, NULL, &channel_io_ops, d,
                           "dma-chan", 8 << d->dshift);
@@ -591,12 +588,10 @@ static const VMStateDescription vmstate_dma = {
     }
 };
 
-void DMA_init(int high_page_enable, qemu_irq *cpu_request_exit)
+void DMA_init(int high_page_enable)
 {
-    dma_init2(&dma_controllers[0], 0x00, 0, 0x80,
-              high_page_enable ? 0x480 : -1, cpu_request_exit);
-    dma_init2(&dma_controllers[1], 0xc0, 1, 0x88,
-              high_page_enable ? 0x488 : -1, cpu_request_exit);
+    dma_init2(&dma_controllers[0], 0x00, 0, 0x80, high_page_enable ? 0x480 : -1);
+    dma_init2(&dma_controllers[1], 0xc0, 1, 0x88, high_page_enable ? 0x488 : -1);
     vmstate_register (NULL, 0, &vmstate_dma, &dma_controllers[0]);
     vmstate_register (NULL, 1, &vmstate_dma, &dma_controllers[1]);