Delete the interrupt information in the rtc fdt table.

Signed-off-by: Xianglai Li <lixianglai@loongson.cn>
---
Cc: Song Gao <gaosong@loongson.cn> 
Cc: Bibo Mao <maobibo@loongson.cn> 
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com> 
Cc: Huacai Chen <zltjiangshi@gmail.com>

 hw/loongarch/virt-fdt-build.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/hw/loongarch/virt-fdt-build.c b/hw/loongarch/virt-fdt-build.c
index 6c06b36fca..42f014a7bd 100644
--- a/hw/loongarch/virt-fdt-build.c
+++ b/hw/loongarch/virt-fdt-build.c
@@ -458,8 +458,7 @@ static void fdt_add_uart_node(LoongArchVirtMachineState *lvms,
     g_free(nodename);
 }
 
-static void fdt_add_rtc_node(LoongArchVirtMachineState *lvms,
-                             uint32_t *pch_pic_phandle)
+static void fdt_add_rtc_node(LoongArchVirtMachineState *lvms)
 {
     char *nodename;
     hwaddr base = VIRT_RTC_REG_BASE;
@@ -470,12 +469,13 @@ static void fdt_add_rtc_node(LoongArchVirtMachineState *lvms,
     qemu_fdt_add_subnode(ms->fdt, nodename);
     qemu_fdt_setprop_string(ms->fdt, nodename, "compatible",
                             "loongson,ls7a-rtc");
+    /*
+     * The virtual machine model does not support suspend and wake-up,
+     * and rtc is no longer the wake-up source. Therefore, the current
+     * rtc table no longer provides the rtc alarm interrupt number to
+     * avoid the software initializing alarm.
+     */
     qemu_fdt_setprop_sized_cells(ms->fdt, nodename, "reg", 2, base, 2, size);
-    qemu_fdt_setprop_cells(ms->fdt, nodename, "interrupts",
-                           VIRT_RTC_IRQ - VIRT_GSI_BASE ,
-                           FDT_IRQ_TYPE_LEVEL_HIGH);
-    qemu_fdt_setprop_cell(ms->fdt, nodename, "interrupt-parent",
-                          *pch_pic_phandle);
     g_free(nodename);
 }
 
@@ -550,7 +550,7 @@ void virt_fdt_setup(LoongArchVirtMachineState *lvms)
         fdt_add_uart_node(lvms, &pch_pic_phandle, base, irq, i == 0);
     }
 
-    fdt_add_rtc_node(lvms, &pch_pic_phandle);
+    fdt_add_rtc_node(lvms);
     fdt_add_ged_reset(lvms);
     platform_bus_add_all_fdt_nodes(machine->fdt, "/platic",
                                    VIRT_PLATFORM_BUS_BASEADDRESS,
-- 
2.39.1