[Qemu-devel] [PATCH for-2.3 3/6] ide: there is only one data port

[Paolo Bonzini <pbonzini@redhat.com>]

IDE PIO data must be written, for example, at 0x1f0.  You cannot
do word or dword writes to 0x1f1..0x1f3 to access the data register.
Adjust the ide_portio_list accordingly.

Cc: John Snow <jsnow@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 hw/ide/core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hw/ide/core.c b/hw/ide/core.c
index a895fd8..fcb9080 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -2436,8 +2436,8 @@ void ide_init2(IDEBus *bus, qemu_irq irq)
 
 static const MemoryRegionPortio ide_portio_list[] = {
     { 0, 8, 1, .read = ide_ioport_read, .write = ide_ioport_write },
-    { 0, 2, 2, .read = ide_data_readw, .write = ide_data_writew },
-    { 0, 4, 4, .read = ide_data_readl, .write = ide_data_writel },
+    { 0, 1, 2, .read = ide_data_readw, .write = ide_data_writew },
+    { 0, 1, 4, .read = ide_data_readl, .write = ide_data_writel },
     PORTIO_END_OF_LIST(),
 };
 
-- 
2.3.4