[Qemu-devel] [PATCH v4 06/17] sdhci: refactor common sysbus/pci realize() into sdhci_realizefn()

["Philippe Mathieu-Daudé" <f4bug@amsat.org>]

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
---
 hw/sd/sdhci.c | 35 ++++++++++++++++++++++++++---------
 1 file changed, 26 insertions(+), 9 deletions(-)

diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index 38d82b4c61..d5c6d8ab0b 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -29,6 +29,7 @@
 #include "sysemu/dma.h"
 #include "qemu/timer.h"
 #include "qemu/bitops.h"
+#include "qapi/error.h"
 #include "hw/sd/sdhci.h"
 #include "sdhci-internal.h"
 #include "qemu/log.h"
@@ -1194,6 +1195,15 @@ static void sdhci_initfn(SDHCIState *s)
     s->transfer_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, sdhci_data_transfer, s);
 }
 
+static void sdhci_realizefn(SDHCIState *s, Error **errp)
+{
+    s->buf_maxsz = sdhci_get_fifolen(s);
+    s->fifo_buffer = g_malloc0(s->buf_maxsz);
+
+    memory_region_init_io(&s->iomem, OBJECT(s), &sdhci_mmio_ops, s, "sdhci",
+                          SDHC_REGISTERS_MAP_SIZE);
+}
+
 static void sdhci_uninitfn(SDHCIState *s)
 {
     timer_del(s->insert_timer);
@@ -1290,14 +1300,18 @@ static void sdhci_class_init(ObjectClass *klass, void *data)
 static void sdhci_pci_realize(PCIDevice *dev, Error **errp)
 {
     SDHCIState *s = PCI_SDHCI(dev);
+    Error *err_local = NULL;
+
+    sdhci_initfn(s);
+    sdhci_realizefn(s, errp);
+    if (errp) {
+        error_propagate(errp, err_local);
+        return;
+    }
+
     dev->config[PCI_CLASS_PROG] = 0x01; /* Standard Host supported DMA */
     dev->config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin A */
-    sdhci_initfn(s);
-    s->buf_maxsz = sdhci_get_fifolen(s);
-    s->fifo_buffer = g_malloc0(s->buf_maxsz);
     s->irq = pci_allocate_irq(dev);
-    memory_region_init_io(&s->iomem, OBJECT(s), &sdhci_mmio_ops, s, "sdhci",
-            SDHC_REGISTERS_MAP_SIZE);
     pci_register_bar(dev, 0, 0, &s->iomem);
 }
 
@@ -1350,12 +1364,15 @@ static void sdhci_sysbus_realize(DeviceState *dev, Error ** errp)
 {
     SDHCIState *s = SYSBUS_SDHCI(dev);
     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
+    Error *err_local = NULL;
+
+    sdhci_realizefn(s, &err_local);
+    if (errp) {
+        error_propagate(errp, err_local);
+        return;
+    }
 
-    s->buf_maxsz = sdhci_get_fifolen(s);
-    s->fifo_buffer = g_malloc0(s->buf_maxsz);
     sysbus_init_irq(sbd, &s->irq);
-    memory_region_init_io(&s->iomem, OBJECT(s), &sdhci_mmio_ops, s, "sdhci",
-            SDHC_REGISTERS_MAP_SIZE);
     sysbus_init_mmio(sbd, &s->iomem);
 }
 
-- 
2.15.1