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[v3,02/12] hw/sd/sdhci: Introduce SDHCIClass stub

Message ID 20250308190230.7508-3-philmd@linaro.org
State Superseded
Headers show
Series hw/sd/sdhci: Set reset value of interrupt registers | expand

Commit Message

Philippe Mathieu-Daudé March 8, 2025, 7:02 p.m. UTC 
TYPE_SYSBUS_SDHCI is a bit odd because it uses an union
to work with both SysBus / PCI parent. As this is not a
normal use, introduce SDHCIClass in its own commit.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 include/hw/sd/sdhci.h | 9 +++++++++
 hw/sd/sdhci.c         | 1 +
 2 files changed, 10 insertions(+)
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Patch

diff --git a/include/hw/sd/sdhci.h b/include/hw/sd/sdhci.h
index 48247e9a20f..c4b20db3877 100644
--- a/include/hw/sd/sdhci.h
+++ b/include/hw/sd/sdhci.h
@@ -107,6 +107,13 @@  struct SDHCIState {
 };
 typedef struct SDHCIState SDHCIState;
 
+typedef struct SDHCIClass {
+    union {
+        PCIDeviceClass pci_parent_class;
+        SysBusDeviceClass sbd_parent_class;
+    };
+} SDHCIClass;
+
 /*
  * Controller does not provide transfer-complete interrupt when not
  * busy.
@@ -123,6 +130,8 @@  DECLARE_INSTANCE_CHECKER(SDHCIState, PCI_SDHCI,
 #define TYPE_SYSBUS_SDHCI "generic-sdhci"
 DECLARE_INSTANCE_CHECKER(SDHCIState, SYSBUS_SDHCI,
                          TYPE_SYSBUS_SDHCI)
+DECLARE_CLASS_CHECKERS(SDHCIClass, SYSBUS_SDHCI,
+                       TYPE_SYSBUS_SDHCI)
 
 #define TYPE_IMX_USDHC "imx-usdhc"
 
diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index 149b748cbee..4917a9b3632 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -1960,6 +1960,7 @@  static const TypeInfo sdhci_types[] = {
         .instance_size = sizeof(SDHCIState),
         .instance_init = sdhci_sysbus_init,
         .instance_finalize = sdhci_sysbus_finalize,
+        .class_size = sizeof(SDHCIClass),
         .class_init = sdhci_sysbus_class_init,
     },
     {