Fix the IDE slave device missing bug.

[mirror_edk2.git] / EdkModulePkg / Bus / Pci / IdeBus / Dxe / ide.c

diff --git a/EdkModulePkg/Bus/Pci/IdeBus/Dxe/ide.c b/EdkModulePkg/Bus/Pci/IdeBus/Dxe/ide.c
index c41d9958792eb3d06896bf6049982b48d010d09e..7d9d6375a40f0381f2ca1316d45d81f731322cb6 100644 (file)
--- a/EdkModulePkg/Bus/Pci/IdeBus/Dxe/ide.c
+++ b/EdkModulePkg/Bus/Pci/IdeBus/Dxe/ide.c
@@ -716,7 +716,12 @@ DetectIDEController (
   //\r
   // Master Error register is not 0x81, Go on check Slave\r
   //\r
   //\r
   // Master Error register is not 0x81, Go on check Slave\r
   //\r

-\r
+  \r
+  //\r
+  // Stall 10ms to wait for slave device ready\r
+  //\r
+  gBS->Stall (10000);\r
+  \r

   //\r
   // select slave\r
   //\r
   //\r
   // select slave\r
   //\r