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Use defines instead of numbers for pci hotplug sts bit

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Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Gleb Natapov 2010-10-17 11:45:24 +02:00 committed by Anthony Liguori
parent 0f53994f7a
commit 4441a2870a
1 changed files with 4 additions and 2 deletions
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6
hw/acpi_piix4.c
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@ -38,6 +38,8 @@
#define PCI_BASE 0xae00
#define PCI_EJ_BASE 0xae08
#define PIIX4_PCI_HOTPLUG_STATUS 2
struct gpe_regs {
uint16_t sts; /* status */
uint16_t en; /* enabled */
@ -596,13 +598,13 @@ static void piix4_acpi_system_hot_add_init(PCIBus *bus, PIIX4PMState *s)
static void enable_device(PIIX4PMState *s, int slot)
{
s->gpe.sts |= 2;
s->gpe.sts |= PIIX4_PCI_HOTPLUG_STATUS;
s->pci0_status.up |= (1 << slot);
}
static void disable_device(PIIX4PMState *s, int slot)
{
s->gpe.sts |= 2;
s->gpe.sts |= PIIX4_PCI_HOTPLUG_STATUS;
s->pci0_status.down |= (1 << slot);
}