hw/sd/sd.c: Convert sd_reset() function into Device reset method

Convert the sd_reset() function into a proper Device reset method.
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
Reviewed-by: NAlistair Francis <alistair.francis@xilinx.com>
Reviewed-by: NPeter Crosthwaite <crosthwaite.peter@gmail.com>
Message-id: 1455646193-13238-4-git-send-email-peter.maydell@linaro.org

hw/sd/sd.c

@@ -394,8 +394,9 @@ static inline uint64_t sd_addr_to_wpnum(uint64_t addr)
     return addr >> (HWBLOCK_SHIFT + SECTOR_SHIFT + WPGROUP_SHIFT);
 }
 
-static void sd_reset(SDState *sd)
+static void sd_reset(DeviceState *dev)
 {
+    SDState *sd = SD_CARD(dev);
     uint64_t size;
     uint64_t sect;
 
@@ -436,7 +437,7 @@ static void sd_cardchange(void *opaque, bool load)
 
     qemu_set_irq(sd->inserted_cb, blk_is_inserted(sd->blk));
     if (blk_is_inserted(sd->blk)) {
-        sd_reset(sd);
+        sd_reset(DEVICE(sd));
         qemu_set_irq(sd->readonly_cb, sd->wp_switch);
     }
 }
@@ -680,7 +681,7 @@ static sd_rsp_type_t sd_normal_command(SDState *sd,
 
         default:
             sd->state = sd_idle_state;
-            sd_reset(sd);
+            sd_reset(DEVICE(sd));
             return sd->spi ? sd_r1 : sd_r0;
         }
         break;
@@ -1787,8 +1788,6 @@ static void sd_realize(DeviceState *dev, Error **errp)
     if (sd->blk) {
         blk_set_dev_ops(sd->blk, &sd_block_ops, sd);
     }
-
-    sd_reset(sd);
 }
 
 static Property sd_properties[] = {
@@ -1808,6 +1807,7 @@ static void sd_class_init(ObjectClass *klass, void *data)
     dc->realize = sd_realize;
     dc->props = sd_properties;
     dc->vmsd = &sd_vmstate;
+    dc->reset = sd_reset;
 }
 
 static const TypeInfo sd_info = {