fix sm2130 selectable condition

Signed-off-by: surenyi <surenyi82@163.com>

vxbSm2130SpiDev.c

@@ -28,6 +28,8 @@ typedef struct _Sm2310_DEV_HANDLE {
 
     SEL_WAKEUP_LIST selList;
 
+    volatile BOOL irqFlag;
+
     void (*usrIsr)();
 
     SM2130_SPI_DEV *pDevCtrl;
@@ -346,14 +348,21 @@ LOCAL int drv1553bIoctl(SM2310_DEV_HANDLE *dev, int cmd, _Vx_ioctl_arg_t arg)
     SM2130_XFER *xfer;
     SM2130_SPI_DEV *pDrvCtrl = dev->pDevCtrl;
     STATUS ret = OK;
+    BOOL iflag;
 
     semTake(pDrvCtrl->muteSem, WAIT_FOREVER);
     switch (cmd) {
     case FIOSELECT:
-        ret = selNodeAdd(&dev->selList, (SEL_WAKEUP_NODE *)arg);
+        if (dev->irqFlag) {
+            selWakeup((SEL_WAKEUP_NODE *)arg);
+        } else {
+            if (selNodeAdd(&dev->selList, (SEL_WAKEUP_NODE *)arg) == ERROR) {
+                selWakeup((SEL_WAKEUP_NODE *)arg);
+            }
+        }
         break;
     case FIOUNSELECT:
-        ret = selNodeDelete(&dev->selList, (SEL_WAKEUP_NODE *)arg);
+        selNodeDelete(&dev->selList, (SEL_WAKEUP_NODE *)arg);
         break;
     case FIOC_SM2130_WR:
         xfer = (SM2130_XFER *)(arg);
@@ -384,21 +393,22 @@ LOCAL int drv1553bIoctl(SM2310_DEV_HANDLE *dev, int cmd, _Vx_ioctl_arg_t arg)
         break;
 
     case FIOC_SM2130_ACKIRQ:
-        if (pDrvCtrl->funcAckIrq) {
-            if (pDrvCtrl->irqCount > 0) {
-                UINT32 us = (UINT32)arg;
-                if (us == 0) {
-                    us = 100;
-                }
-                pDrvCtrl->funcAckIrq(TRUE);
-                sysUsDelay(us);
-                pDrvCtrl->funcAckIrq(FALSE);
+        iflag = dev->irqFlag;
+        dev->irqFlag = FALSE;
+        if (pDrvCtrl->funcAckIrq && iflag) {
+            UINT32 us = (UINT32)arg;
+            if (us == 0) {
+                us = 100;
             }
+            pDrvCtrl->funcAckIrq(TRUE);
+            sysUsDelay(us);
+            pDrvCtrl->funcAckIrq(FALSE);
         } else {
-            errnoSet(ENOTSUP);
-            ret = ERROR;
+            if (!pDrvCtrl->funcAckIrq) {
+                errnoSet(ENOTSUP);
+                ret = ERROR;
+            }
         }
-        pDrvCtrl->irqCount = 0;
         break;
     case FIOC_SM2130_READY:
         if (pDrvCtrl->funcIsReady) {
@@ -470,6 +480,8 @@ LOCAL void sm1553isr(void *data)
 
     ++pDrvCtrl->irqCount;
 
+    dev->irqFlag = TRUE;
+
     //logMsg("sm1553isr interrupt", 1, 2, 3, 4, 5, 6);
     if (dev->usrIsr) {
         dev->usrIsr();
@@ -526,6 +538,7 @@ LOCAL void sm2130SpiDevInstConnect(VXB_DEVICE_ID pDev)
         if (dev) {
             pDrvCtrl->refcount = 0;
             dev->usrIsr = NULL;
+            dev->irqFlag = FALSE;
             selWakeupListInit(&dev->selList);
             if (iosDevAdd(&dev->devHdr, pDrvCtrl->devName, sm2130_driver_node) == OK) {
                 pDrvCtrl->devHandle = dev;