ide: bdrv_attach_dev() for empty CD-ROM

[qemu.git] / hw / ssi / imx_spi.c

diff --git a/hw/ssi/imx_spi.c b/hw/ssi/imx_spi.c
index d5dd42aca620ecf88c2174b2b87e8a7ee8c088e0..b66505ca4954d054a0a90f32e5823db3dddf47f4 100644 (file)
--- a/hw/ssi/imx_spi.c
+++ b/hw/ssi/imx_spi.c
@@ -11,6 +11,7 @@
 #include "qemu/osdep.h"
 #include "hw/ssi/imx_spi.h"
 #include "sysemu/sysemu.h"
+#include "qemu/log.h"
 
 #ifndef DEBUG_IMX_SPI
 #define DEBUG_IMX_SPI 0
@@ -24,7 +25,7 @@
         } \
     } while (0)
 
-static char const *imx_spi_reg_name(uint32_t reg)
+static const char *imx_spi_reg_name(uint32_t reg)
 {
     static char unknown[20];
 
@@ -319,9 +320,6 @@ static void imx_spi_write(void *opaque, hwaddr offset, uint64_t value,
                       TYPE_IMX_SPI, __func__);
         break;
     case ECSPI_TXDATA:
-    case ECSPI_MSGDATA:
-        /* Is there any difference between TXDATA and MSGDATA ? */
-        /* I'll have to look in the linux driver */
         if (!imx_spi_is_enabled(s)) {
             /* Ignore writes if device is disabled */
             break;
@@ -379,6 +377,14 @@ static void imx_spi_write(void *opaque, hwaddr offset, uint64_t value,
         }
 
         break;
+    case ECSPI_MSGDATA:
+        /* it is not clear from the spec what MSGDATA is for */
+        /* Anyway it is not used by Linux driver */
+        /* So for now we just ignore it */
+        qemu_log_mask(LOG_UNIMP,
+                      "[%s]%s: Trying to write to MSGDATA, ignoring\n",
+                      TYPE_IMX_SPI, __func__);
+        break;
     default:
         s->regs[index] = value;