Hi,
It looks good for me,
Acked-by: Fernando Guzman Lugo <x0095840@xxxxxx>
>-----Original Message-----
>From: linux-omap-owner@xxxxxxxxxxxxxxx [mailto:linux-omap-
>owner@xxxxxxxxxxxxxxx] On Behalf Of Andy Shevchenko
>Sent: Tuesday, September 08, 2009 7:12 AM
>To: linux-omap@xxxxxxxxxxxxxxx
>Cc: hiroshi.doyu@xxxxxxxxx; Andy Shevchenko
>Subject: [PATCHv3 3/3] dspbridge: Don't use LST_Create() and LST_Delete()
>
>From: Andy Shevchenko <ext-andriy.shevchenko@xxxxxxxxx>
>
>Change LST_Create() to the MEM_Calloc() and INIT_LIST_HEAD() pair in
>optimal way.
>
>Use MEM_Free() instead of LST_Delete(). We can use it without checking
>because
>MEM_Free() validates input parameter.
>
>Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@xxxxxxxxx>
>---
> arch/arm/plat-omap/include/dspbridge/list.h | 64 -----------------------
>----
> drivers/dsp/bridge/pmgr/cmm.c | 27 +++++++----
> drivers/dsp/bridge/pmgr/dev.c | 9 +++-
> drivers/dsp/bridge/rmgr/drv.c | 18 +++++---
> drivers/dsp/bridge/rmgr/node.c | 6 ++-
> drivers/dsp/bridge/rmgr/rmm.c | 7 ++-
> drivers/dsp/bridge/services/ntfy.c | 6 ++-
> drivers/dsp/bridge/wmd/chnl_sm.c | 5 +-
> drivers/dsp/bridge/wmd/msg_sm.c | 26 ++++++++---
> 9 files changed, 70 insertions(+), 98 deletions(-)
>
>diff --git a/arch/arm/plat-omap/include/dspbridge/list.h b/arch/arm/plat-
>omap/include/dspbridge/list.h
>index f382b20..1110baa 100644
>--- a/arch/arm/plat-omap/include/dspbridge/list.h
>+++ b/arch/arm/plat-omap/include/dspbridge/list.h
>@@ -22,8 +22,6 @@
> * of inline list management functions.
> *
> * Public Functions:
>- * LST_Create
>- * LST_Delete
> * LST_First
> * LST_GetHead
> * LST_InitElem
>@@ -49,8 +47,6 @@
> #define LIST_
>
> #include <dspbridge/host_os.h>
>-/* MEM_Calloc(), MEM_NONPAGED, MEM_Free() */
>-#include <dspbridge/mem.h>
> #include <linux/list.h>
>
> #define LST_IsEmpty(l) list_empty(&(l)->head)
>@@ -60,66 +56,6 @@ struct LST_LIST {
> };
>
> /*
>- * ======== LST_Create ========
>- * Purpose:
>- * Allocates and initializes a circular list.
>- * Details:
>- * Uses portable MEM_Calloc() function to allocate a list containing
>- * a single element and initializes that element to indicate that it
>- * is the "end of the list" (i.e., the list is empty).
>- * An empty list is indicated by the "next" pointer in the element
>- * at the head of the list pointing to the head of the list, itself.
>- * Parameters:
>- * Returns:
>- * Pointer to beginning of created list (success)
>- * NULL --> Allocation failed
>- * Requires:
>- * LST initialized.
>- * Ensures:
>- * Notes:
>- * The created list contains a single element. This element is the
>- * "empty" element, because its "next" and "prev" pointers point at
>- * the same location (the element itself).
>- */
>-static inline struct LST_LIST *LST_Create(void)
>-{
>- struct LST_LIST *pList;
>-
>- pList = (struct LST_LIST *) MEM_Calloc(sizeof(struct LST_LIST),
>- MEM_NONPAGED);
>- if (pList != NULL)
>- INIT_LIST_HEAD(&pList->head);
>-
>- return pList;
>-}
>-
>-/*
>- * ======== LST_Delete ========
>- * Purpose:
>- * Removes a list by freeing its control structure's memory space.
>- * Details:
>- * Uses portable MEM_Free() function to deallocate the memory
>- * block pointed at by the input parameter.
>- * Parameters:
>- * pList: Pointer to list control structure of list to be deleted
>- * Returns:
>- * Void
>- * Requires:
>- * - LST initialized.
>- * - pList != NULL.
>- * Ensures:
>- * Notes:
>- * Must ONLY be used for empty lists, because it does not walk the
>- * chain of list elements. Calling this function on a non-empty list
>- * will cause a memory leak.
>- */
>-static inline void LST_Delete(struct LST_LIST *pList)
>-{
>- if (pList != NULL)
>- MEM_Free(pList);
>-}
>-
>-/*
> * ======== LST_First ========
> * Purpose:
> * Returns a pointer to the first element of the list, or NULL if the
>list
>diff --git a/drivers/dsp/bridge/pmgr/cmm.c b/drivers/dsp/bridge/pmgr/cmm.c
>index 571aa12..fce46fc 100644
>--- a/drivers/dsp/bridge/pmgr/cmm.c
>+++ b/drivers/dsp/bridge/pmgr/cmm.c
>@@ -359,12 +359,15 @@ DSP_STATUS CMM_Create(OUT struct CMM_OBJECT
>**phCmmMgr,
> * MEM_AllocObject */
> if (DSP_SUCCEEDED(status)) {
> /* create node free list */
>- pCmmObject->pNodeFreeListHead = LST_Create();
>+ pCmmObject->pNodeFreeListHead = MEM_Calloc(sizeof(struct
>+ LST_LIST), MEM_NONPAGED);
> if (pCmmObject->pNodeFreeListHead == NULL) {
> GT_0trace(CMM_debugMask, GT_7CLASS,
>- "CMM_Create: LST_Create() "
>- "failed \n");
>+ "CMM_Create: Out of memory \n");
> status = DSP_EMEMORY;
>+ } else {
>+ INIT_LIST_HEAD(&pCmmObject->pNodeFreeListHead->
>+ head);
> }
> }
> if (DSP_SUCCEEDED(status))
>@@ -433,7 +436,7 @@ DSP_STATUS CMM_Destroy(struct CMM_OBJECT *hCmmMgr, bool
>bForce)
> MEM_Free(pNode);
> }
> /* delete NodeFreeList list */
>- LST_Delete(pCmmMgr->pNodeFreeListHead);
>+ MEM_Free(pCmmMgr->pNodeFreeListHead);
> }
> SYNC_LeaveCS(pCmmMgr->hCmmLock);
> if (DSP_SUCCEEDED(status)) {
>@@ -698,25 +701,29 @@ DSP_STATUS CMM_RegisterGPPSMSeg(struct CMM_OBJECT
>*hCmmMgr, u32 dwGPPBasePA,
> /* return the actual segment identifier */
> *pulSegId = (u32) nSlot + 1;
> /* create memory free list */
>- pSMA->pFreeListHead = LST_Create();
>+ pSMA->pFreeListHead = MEM_Calloc(sizeof(struct
>+ LST_LIST), MEM_NONPAGED);
> if (pSMA->pFreeListHead == NULL) {
> GT_0trace(CMM_debugMask, GT_7CLASS,
> "CMM_RegisterGPPSMSeg: "
>- "Out Of Memory \n");
>+ "Out Of Memory 1 \n");
> status = DSP_EMEMORY;
> goto func_end;
> }
>+ INIT_LIST_HEAD(&pSMA->pFreeListHead->head);
> }
> if (DSP_SUCCEEDED(status)) {
> /* create memory in-use list */
>- pSMA->pInUseListHead = LST_Create();
>+ pSMA->pInUseListHead = MEM_Calloc(sizeof(struct
>+ LST_LIST), MEM_NONPAGED);
> if (pSMA->pInUseListHead == NULL) {
> GT_0trace(CMM_debugMask, GT_7CLASS,
> "CMM_RegisterGPPSMSeg: "
>- "LST_Create failed\n");
>+ "Out of memory 2 \n");
> status = DSP_EMEMORY;
> goto func_end;
> }
>+ INIT_LIST_HEAD(&pSMA->pInUseListHead->head);
> }
> if (DSP_SUCCEEDED(status)) {
> /* Get a mem node for this hunk-o-memory */
>@@ -826,7 +833,7 @@ static void UnRegisterGPPSMSeg(struct CMM_ALLOCATOR
>*pSMA)
> /* next node. */
> pCurNode = pNextNode;
> }
>- LST_Delete(pSMA->pFreeListHead); /* delete freelist */
>+ MEM_Free(pSMA->pFreeListHead); /* delete freelist */
> /* free nodes on InUse list */
> pCurNode = (struct CMM_MNODE *)LST_First(pSMA->pInUseListHead);
> while (pCurNode) {
>@@ -839,7 +846,7 @@ static void UnRegisterGPPSMSeg(struct CMM_ALLOCATOR
>*pSMA)
> /* next node. */
> pCurNode = pNextNode;
> }
>- LST_Delete(pSMA->pInUseListHead); /* delete InUse list */
>+ MEM_Free(pSMA->pInUseListHead); /* delete InUse list
>*/
> }
> if ((void *) pSMA->dwVmBase != NULL)
> MEM_UnmapLinearAddress((void *) pSMA->dwVmBase);
>diff --git a/drivers/dsp/bridge/pmgr/dev.c b/drivers/dsp/bridge/pmgr/dev.c
>index 8ba3a7f..a206f7f 100644
>--- a/drivers/dsp/bridge/pmgr/dev.c
>+++ b/drivers/dsp/bridge/pmgr/dev.c
>@@ -374,11 +374,14 @@ DSP_STATUS DEV_CreateDevice(OUT struct DEV_OBJECT
>**phDevObject,
> }
> /* Create the Processor List */
> if (DSP_SUCCEEDED(status)) {
>- pDevObject->procList = LST_Create();
>+ pDevObject->procList = MEM_Calloc(sizeof(struct LST_LIST),
>+ MEM_NONPAGED);
> if (!(pDevObject->procList)) {
> status = DSP_EFAIL;
> GT_0trace(debugMask, GT_7CLASS, "DEV_Create: "
> "Failed to Create Proc List");
>+ } else {
>+ INIT_LIST_HEAD(&pDevObject->procList->head);
> }
> }
> /* If all went well, return a handle to the dev object;
>@@ -390,7 +393,7 @@ DSP_STATUS DEV_CreateDevice(OUT struct DEV_OBJECT
>**phDevObject,
> "0x%x\n", pDevObject);
> } else {
> if (pDevObject && pDevObject->procList)
>- LST_Delete(pDevObject->procList);
>+ MEM_Free(pDevObject->procList);
>
> if (pDevObject && pDevObject->hCodMgr)
> COD_Delete(pDevObject->hCodMgr);
>@@ -546,7 +549,7 @@ DSP_STATUS DEV_DestroyDevice(struct DEV_OBJECT
>*hDevObject)
> status = DSP_EFAIL;
> if (DSP_SUCCEEDED(status)) {
> if (pDevObject->procList) {
>- LST_Delete(pDevObject->procList);
>+ MEM_Free(pDevObject->procList);
> pDevObject->procList = NULL;
> }
>
>diff --git a/drivers/dsp/bridge/rmgr/drv.c b/drivers/dsp/bridge/rmgr/drv.c
>index ca774c9..bc357bd 100644
>--- a/drivers/dsp/bridge/rmgr/drv.c
>+++ b/drivers/dsp/bridge/rmgr/drv.c
>@@ -708,15 +708,21 @@ DSP_STATUS DRV_Create(OUT struct DRV_OBJECT
>**phDRVObject)
> MEM_AllocObject(pDRVObject, struct DRV_OBJECT, SIGNATURE);
> if (pDRVObject) {
> /* Create and Initialize List of device objects */
>- pDRVObject->devList = LST_Create();
>+ pDRVObject->devList = MEM_Calloc(sizeof(struct LST_LIST),
>+ MEM_NONPAGED);
> if (pDRVObject->devList) {
> /* Create and Initialize List of device Extension */
>- pDRVObject->devNodeString = LST_Create();
>+ pDRVObject->devNodeString = MEM_Calloc(sizeof(struct
>+ LST_LIST), MEM_NONPAGED);
> if (!(pDRVObject->devNodeString)) {
> status = DSP_EFAIL;
> GT_0trace(curTrace, GT_7CLASS,
> "Failed to Create DRV_EXT list ");
> MEM_FreeObject(pDRVObject);
>+ } else {
>+ INIT_LIST_HEAD(&pDRVObject->devNodeString->
>+ head);
>+ INIT_LIST_HEAD(&pDRVObject->devList->head);
> }
> } else {
> status = DSP_EFAIL;
>@@ -792,11 +798,11 @@ DSP_STATUS DRV_Destroy(struct DRV_OBJECT *hDRVObject)
> */
> if (pDRVObject->devList) {
> /* Could assert if the list is not empty */
>- LST_Delete(pDRVObject->devList);
>+ MEM_Free(pDRVObject->devList);
> }
> if (pDRVObject->devNodeString) {
> /* Could assert if the list is not empty */
>- LST_Delete(pDRVObject->devNodeString);
>+ MEM_Free(pDRVObject->devNodeString);
> }
> MEM_FreeObject(pDRVObject);
> /* Update the DRV Object in Registry to be 0 */
>@@ -1037,7 +1043,7 @@ DSP_STATUS DRV_RemoveDevObject(struct DRV_OBJECT
>*hDRVObject,
> }
> /* Remove list if empty. */
> if (LST_IsEmpty(pDRVObject->devList)) {
>- LST_Delete(pDRVObject->devList);
>+ MEM_Free(pDRVObject->devList);
> pDRVObject->devList = NULL;
> }
> DBC_Ensure((pDRVObject->devList == NULL) ||
>@@ -1155,7 +1161,7 @@ DSP_STATUS DRV_ReleaseResources(u32 dwContext, struct
>DRV_OBJECT *hDrvObject)
> }
> /* Delete the List if it is empty */
> if (LST_IsEmpty(pDRVObject->devNodeString)) {
>- LST_Delete(pDRVObject->devNodeString);
>+ MEM_Free(pDRVObject->devNodeString);
> pDRVObject->devNodeString = NULL;
> }
> }
>diff --git a/drivers/dsp/bridge/rmgr/node.c
>b/drivers/dsp/bridge/rmgr/node.c
>index 3bf14c9..f11f110 100644
>--- a/drivers/dsp/bridge/rmgr/node.c
>+++ b/drivers/dsp/bridge/rmgr/node.c
>@@ -1489,7 +1489,8 @@ DSP_STATUS NODE_CreateMgr(OUT struct NODE_MGR
>**phNodeMgr,
> MEM_AllocObject(pNodeMgr, struct NODE_MGR, NODEMGR_SIGNATURE);
> if (pNodeMgr) {
> pNodeMgr->hDevObject = hDevObject;
>- pNodeMgr->nodeList = LST_Create();
>+ pNodeMgr->nodeList = MEM_Calloc(sizeof(struct LST_LIST),
>+ MEM_NONPAGED);
> pNodeMgr->pipeMap = GB_create(MAXPIPES);
> pNodeMgr->pipeDoneMap = GB_create(MAXPIPES);
> if (pNodeMgr->nodeList == NULL || pNodeMgr->pipeMap == NULL ||
>@@ -1499,6 +1500,7 @@ DSP_STATUS NODE_CreateMgr(OUT struct NODE_MGR
>**phNodeMgr,
> "NODE_CreateMgr: Memory "
> "allocation failed\n");
> } else {
>+ INIT_LIST_HEAD(&pNodeMgr->nodeList->head);
> status = NTFY_Create(&pNodeMgr->hNtfy);
> }
> pNodeMgr->uNumCreated = 0;
>@@ -2959,7 +2961,7 @@ static void DeleteNodeMgr(struct NODE_MGR *hNodeMgr)
> DeleteNode(hNode, NULL);
>
> DBC_Assert(LST_IsEmpty(hNodeMgr->nodeList));
>- LST_Delete(hNodeMgr->nodeList);
>+ MEM_Free(hNodeMgr->nodeList);
> }
> if (hNodeMgr->hNtfy)
> NTFY_Delete(hNodeMgr->hNtfy);
>diff --git a/drivers/dsp/bridge/rmgr/rmm.c b/drivers/dsp/bridge/rmgr/rmm.c
>index f048728..9e24e6a 100644
>--- a/drivers/dsp/bridge/rmgr/rmm.c
>+++ b/drivers/dsp/bridge/rmgr/rmm.c
>@@ -268,11 +268,14 @@ DSP_STATUS RMM_create(struct RMM_TargetObj **pTarget,
> func_cont:
> /* Initialize overlay memory list */
> if (DSP_SUCCEEDED(status)) {
>- target->ovlyList = LST_Create();
>+ target->ovlyList = MEM_Calloc(sizeof(struct LST_LIST),
>+ MEM_NONPAGED);
> if (target->ovlyList == NULL) {
> GT_0trace(RMM_debugMask, GT_6CLASS,
> "RMM_create: Memory allocation failed\n");
> status = DSP_EMEMORY;
>+ } else {
>+ INIT_LIST_HEAD(&target->ovlyList->head);
> }
> }
>
>@@ -315,7 +318,7 @@ void RMM_delete(struct RMM_TargetObj *target)
> MEM_Free(pSect);
> }
> DBC_Assert(LST_IsEmpty(target->ovlyList));
>- LST_Delete(target->ovlyList);
>+ MEM_Free(target->ovlyList);
> }
>
> if (target->freeList != NULL) {
>diff --git a/drivers/dsp/bridge/services/ntfy.c
>b/drivers/dsp/bridge/services/ntfy.c
>index 5182bfa..5c7219f 100644
>--- a/drivers/dsp/bridge/services/ntfy.c
>+++ b/drivers/dsp/bridge/services/ntfy.c
>@@ -117,12 +117,14 @@ DSP_STATUS NTFY_Create(struct NTFY_OBJECT **phNtfy)
>
> status = SYNC_InitializeDPCCS(&pNtfy->hSync);
> if (DSP_SUCCEEDED(status)) {
>- pNtfy->notifyList = LST_Create();
>+ pNtfy->notifyList = MEM_Calloc(sizeof(struct LST_LIST),
>+ MEM_NONPAGED);
> if (pNtfy->notifyList == NULL) {
> (void) SYNC_DeleteCS(pNtfy->hSync);
> MEM_FreeObject(pNtfy);
> status = DSP_EMEMORY;
> } else {
>+ INIT_LIST_HEAD(&pNtfy->notifyList->head);
> *phNtfy = pNtfy;
> }
> }
>@@ -155,7 +157,7 @@ void NTFY_Delete(struct NTFY_OBJECT *hNtfy)
> DeleteNotify(pNotify);
> }
> DBC_Assert(LST_IsEmpty(hNtfy->notifyList));
>- LST_Delete(hNtfy->notifyList);
>+ MEM_Free(hNtfy->notifyList);
> }
> if (hNtfy->hSync)
> (void)SYNC_DeleteCS(hNtfy->hSync);
>diff --git a/drivers/dsp/bridge/wmd/chnl_sm.c
>b/drivers/dsp/bridge/wmd/chnl_sm.c
>index 9007e13..11463cd 100644
>--- a/drivers/dsp/bridge/wmd/chnl_sm.c
>+++ b/drivers/dsp/bridge/wmd/chnl_sm.c
>@@ -1024,9 +1024,10 @@ static struct LST_LIST *CreateChirpList(u32 uChirps)
> struct CHNL_IRP *pChirp;
> u32 i;
>
>- pChirpList = LST_Create();
>+ pChirpList = MEM_Calloc(sizeof(struct LST_LIST), MEM_NONPAGED);
>
> if (pChirpList) {
>+ INIT_LIST_HEAD(&pChirpList->head);
> /* Make N chirps and place on queue. */
> for (i = 0; (i < uChirps) && ((pChirp = MakeNewChirp()) !=
> NULL); i++) {
>@@ -1055,7 +1056,7 @@ static void FreeChirpList(struct LST_LIST
>*pChirpList)
> while (!LST_IsEmpty(pChirpList))
> MEM_Free(LST_GetHead(pChirpList));
>
>- LST_Delete(pChirpList);
>+ MEM_Free(pChirpList);
> }
>
> /*
>diff --git a/drivers/dsp/bridge/wmd/msg_sm.c
>b/drivers/dsp/bridge/wmd/msg_sm.c
>index 333a41a..6e2d388 100644
>--- a/drivers/dsp/bridge/wmd/msg_sm.c
>+++ b/drivers/dsp/bridge/wmd/msg_sm.c
>@@ -103,16 +103,24 @@ DSP_STATUS WMD_MSG_Create(OUT struct MSG_MGR
>**phMsgMgr,
> pMsgMgr->onExit = msgCallback;
> pMsgMgr->hIOMgr = hIOMgr;
> /* List of MSG_QUEUEs */
>- pMsgMgr->queueList = LST_Create();
>+ pMsgMgr->queueList = MEM_Calloc(sizeof(struct LST_LIST),
>+ MEM_NONPAGED);
> /* Queues of message frames for messages to the DSP. Message
> * frames will only be added to the free queue when a
> * MSG_QUEUE object is created. */
>- pMsgMgr->msgFreeList = LST_Create();
>- pMsgMgr->msgUsedList = LST_Create();
>+ pMsgMgr->msgFreeList = MEM_Calloc(sizeof(struct LST_LIST),
>+ MEM_NONPAGED);
>+ pMsgMgr->msgUsedList = MEM_Calloc(sizeof(struct LST_LIST),
>+ MEM_NONPAGED);
> if (pMsgMgr->queueList == NULL ||
> pMsgMgr->msgFreeList == NULL ||
> pMsgMgr->msgUsedList == NULL)
> status = DSP_EMEMORY;
>+ else {
>+ INIT_LIST_HEAD(&pMsgMgr->queueList->head);
>+ INIT_LIST_HEAD(&pMsgMgr->msgFreeList->head);
>+ INIT_LIST_HEAD(&pMsgMgr->msgUsedList->head);
>+ }
> if (DSP_SUCCEEDED(status))
> status = SYNC_InitializeDPCCS(&pMsgMgr->hSyncCS);
>
>@@ -166,10 +174,14 @@ DSP_STATUS WMD_MSG_CreateQueue(struct MSG_MGR
>*hMsgMgr,
> pMsgQ->hArg = hArg; /* Node handle */
> pMsgQ->dwId = dwId; /* Node env (not valid yet) */
> /* Queues of Message frames for messages from the DSP */
>- pMsgQ->msgFreeList = LST_Create();
>- pMsgQ->msgUsedList = LST_Create();
>+ pMsgQ->msgFreeList = MEM_Calloc(sizeof(struct LST_LIST),
>MEM_NONPAGED);
>+ pMsgQ->msgUsedList = MEM_Calloc(sizeof(struct LST_LIST),
>MEM_NONPAGED);
> if (pMsgQ->msgFreeList == NULL || pMsgQ->msgUsedList == NULL)
> status = DSP_EMEMORY;
>+ else {
>+ INIT_LIST_HEAD(&pMsgQ->msgFreeList->head);
>+ INIT_LIST_HEAD(&pMsgQ->msgUsedList->head);
>+ }
>
> /* Create event that will be signalled when a message from
> * the DSP is available. */
>@@ -564,7 +576,7 @@ static void DeleteMsgMgr(struct MSG_MGR *hMsgMgr)
>
> if (hMsgMgr->queueList) {
> if (LST_IsEmpty(hMsgMgr->queueList)) {
>- LST_Delete(hMsgMgr->queueList);
>+ MEM_Free(hMsgMgr->queueList);
> hMsgMgr->queueList = NULL;
> }
> }
>@@ -662,7 +674,7 @@ static void FreeMsgList(struct LST_LIST *msgList)
>
> DBC_Assert(LST_IsEmpty(msgList));
>
>- LST_Delete(msgList);
>+ MEM_Free(msgList);
> func_end:
> return;
> }
>--
>1.5.6.5
>
>--
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