[Qemu-devel] [PATCH 13/14] sdhci: add sdhci_init_capareg() to initialize the CAPAB register

[Philippe Mathieu-Daudé]

following patches modifying CAPAB will be easier to review.

Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org>
---
 hw/sd/sdhci.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index dadc4787b2..78bb8e8e89 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -100,6 +100,13 @@
 
 #define MASKED_WRITE(reg, mask, val)  (reg = (reg & (mask)) | (val))
 
+static void sdhci_init_capareg(SDHCIState *s, Error **errp)
+{
+    if (s->capareg == UINT32_MAX) {
+        s->capareg = SDHC_CAPAB_REG_DEFAULT;
+    }
+}
+
 static uint8_t sdhci_slotint(SDHCIState *s)
 {
     return (s->norintsts & s->norintsigen) || (s->errintsts & s->errintsigen) 
||
@@ -1158,6 +1165,8 @@ static void sdhci_initfn(SDHCIState *s)
 
 static void sdhci_realizefn(SDHCIState *s, Error **errp)
 {
+    sdhci_init_capareg(s, errp);
+
     s->buf_maxsz = sdhci_get_fifolen(s);
     s->fifo_buffer = g_malloc0(s->buf_maxsz);
 
@@ -1244,8 +1253,7 @@ const VMStateDescription sdhci_vmstate = {
 /* Capabilities registers provide information on supported features of this
  * specific host controller implementation */
 static Property sdhci_properties[] = {
-    DEFINE_PROP_UINT32("capareg", SDHCIState, capareg,
-            SDHC_CAPAB_REG_DEFAULT),
+    DEFINE_PROP_UINT32("capareg", SDHCIState, capareg, UINT32_MAX),
     DEFINE_PROP_UINT32("maxcurr", SDHCIState, maxcurr, 0),
     DEFINE_PROP_BOOL("pending-insert-quirk", SDHCIState, pending_insert_quirk,
                      false),
-- 
2.15.1