blob: a677ccec554e96c287b27b84804308d1c541c59d (
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--- a/src/drv_mei_cpe_common.c
+++ b/src/drv_mei_cpe_common.c
@@ -104,6 +104,8 @@ IFX_uint32_t MEI_FsmStateSetMsgPreAction
MEI_DEVCFG_DATA_T MEI_DevCfgData;
#endif
+static DEFINE_SPINLOCK(MEI_InterruptLock);
+
/* ============================================================================
Proc-FS and debug variable definitions
========================================================================= */
@@ -2134,6 +2136,9 @@ IFX_int32_t MEI_ProcessIntPerIrq(MEIX_CN
#if (MEI_SUPPORT_DEBUG_STREAMS == 1)
IFX_int_t extraDbgStreamLoop = 0;
#endif
+ unsigned long flags;
+
+ spin_lock_irqsave(&MEI_InterruptLock, flags);
/* get the actual chip device from the list and step through the VRX devices */
while(pNextXCntrl)
@@ -2167,6 +2172,8 @@ IFX_int32_t MEI_ProcessIntPerIrq(MEIX_CN
}
#endif
+ spin_unlock_irqrestore(&MEI_InterruptLock, flags);
+
return meiIntCnt;
}
@@ -2639,9 +2646,14 @@ IFX_int32_t MEI_MsgSendPreAction(
*/
IFX_void_t MEI_DisableDeviceInt(MEI_DEV_T *pMeiDev)
{
+ unsigned long flags;
+ spin_lock_irqsave(&MEI_InterruptLock, flags);
+
MEI_MaskInterrupts( &pMeiDev->meiDrvCntrl,
ME_ARC2ME_INTERRUPT_MASK_ALL);
+ spin_unlock_irqrestore(&MEI_InterruptLock, flags);
+
return;
}
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