s3c2442: R.I.P.

It is broken and it is not maintained by anyone since long time.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34767 3c298f89-4303-0410-b956-a3cf2f4a3e73

2 files changed, 0 insertions, 813 deletions

diff --git a/target/linux/s3c24xx/files-2.6.30/drivers/ar6000/miscdrv/common_drv.c b/target/linux/s3c24xx/files-2.6.30/drivers/ar6000/miscdrv/common_drv.c
deleted file mode 100644
index 4f1273466..000000000
--- a/target/linux/s3c24xx/files-2.6.30/drivers/ar6000/miscdrv/common_drv.c
+++ /dev/null
@@ -1,467 +0,0 @@
-
-/*
- *
- * Copyright (c) 2004-2007 Atheros Communications Inc.
- * All rights reserved.
- *
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 2 as
- *  published by the Free Software Foundation;
- *
- *  Software distributed under the License is distributed on an "AS
- *  IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
- *  implied. See the License for the specific language governing
- *  rights and limitations under the License.
- *
- *
- *
- */
-
-#include "a_config.h"
-#include "athdefs.h"
-#include "a_types.h"
-#include "AR6Khwreg.h"
-#include "targaddrs.h"
-#include "a_osapi.h"
-#include "hif.h"
-#include "htc_api.h"
-#include "bmi.h"
-#include "bmi_msg.h"
-#include "common_drv.h"
-#include "a_debug.h"
-#include "targaddrs.h"
-
-#define HOST_INTEREST_ITEM_ADDRESS(target, item)    \
-(((TargetType) == TARGET_TYPE_AR6001) ?     \
-   AR6001_HOST_INTEREST_ITEM_ADDRESS(item) :    \
-   AR6002_HOST_INTEREST_ITEM_ADDRESS(item))
-
-
-/* Compile the 4BYTE version of the window register setup routine,
- * This mitigates host interconnect issues with non-4byte aligned bus requests, some
- * interconnects use bus adapters that impose strict limitations.
- * Since diag window access is not intended for performance critical operations, the 4byte mode should
- * be satisfactory even though it generates 4X the bus activity. */
-
-#ifdef USE_4BYTE_REGISTER_ACCESS
-
-    /* set the window address register (using 4-byte register access ). */
-A_STATUS ar6000_SetAddressWindowRegister(HIF_DEVICE *hifDevice, A_UINT32 RegisterAddr, A_UINT32 Address)
-{
-    A_STATUS status;
-    A_UINT8 addrValue[4];
-    int i;
-
-        /* write bytes 1,2,3 of the register to set the upper address bytes, the LSB is written
-         * last to initiate the access cycle */
-
-    for (i = 1; i <= 3; i++) {
-            /* fill the buffer with the address byte value we want to hit 4 times*/
-        addrValue[0] = ((A_UINT8 *)&Address)[i];
-        addrValue[1] = addrValue[0];
-        addrValue[2] = addrValue[0];
-        addrValue[3] = addrValue[0];
-
-            /* hit each byte of the register address with a 4-byte write operation to the same address,
-             * this is a harmless operation */
-        status = HIFReadWrite(hifDevice,
-                              RegisterAddr+i,
-                              addrValue,
-                              4,
-                              HIF_WR_SYNC_BYTE_FIX,
-                              NULL);
-        if (status != A_OK) {
-            break;
-        }
-    }
-
-    if (status != A_OK) {
-        AR_DEBUG_PRINTF(ATH_LOG_ERR, ("Cannot write initial bytes of 0x%x to window reg: 0x%X \n",
-             RegisterAddr, Address));
-        return status;
-    }
-
-        /* write the address register again, this time write the whole 4-byte value.
-         * The effect here is that the LSB write causes the cycle to start, the extra
-         * 3 byte write to bytes 1,2,3 has no effect since we are writing the same values again */
-    status = HIFReadWrite(hifDevice,
-                          RegisterAddr,
-                          (A_UCHAR *)(&Address),
-                          4,
-                          HIF_WR_SYNC_BYTE_INC,
-                          NULL);
-
-    if (status != A_OK) {
-        AR_DEBUG_PRINTF(ATH_LOG_ERR, ("Cannot write 0x%x to window reg: 0x%X \n",
-            RegisterAddr, Address));
-        return status;
-    }
-
-    return A_OK;
-
-
-
-}
-
-
-#else
-
-    /* set the window address register */
-A_STATUS ar6000_SetAddressWindowRegister(HIF_DEVICE *hifDevice, A_UINT32 RegisterAddr, A_UINT32 Address)
-{
-    A_STATUS status;
-
-        /* write bytes 1,2,3 of the register to set the upper address bytes, the LSB is written
-         * last to initiate the access cycle */
-    status = HIFReadWrite(hifDevice,
-                          RegisterAddr+1,  /* write upper 3 bytes */
-                          ((A_UCHAR *)(&Address))+1,
-                          sizeof(A_UINT32)-1,
-                          HIF_WR_SYNC_BYTE_INC,
-                          NULL);
-
-    if (status != A_OK) {
-        AR_DEBUG_PRINTF(ATH_LOG_ERR, ("Cannot write initial bytes of 0x%x to window reg: 0x%X \n",
-             RegisterAddr, Address));
-        return status;
-    }
-
-        /* write the LSB of the register, this initiates the operation */
-    status = HIFReadWrite(hifDevice,
-                          RegisterAddr,
-                          (A_UCHAR *)(&Address),
-                          sizeof(A_UINT8),
-                          HIF_WR_SYNC_BYTE_INC,
-                          NULL);
-
-    if (status != A_OK) {
-        AR_DEBUG_PRINTF(ATH_LOG_ERR, ("Cannot write 0x%x to window reg: 0x%X \n",
-            RegisterAddr, Address));
-        return status;
-    }
-
-    return A_OK;
-}
-
-#endif
-
-/*
- * Read from the AR6000 through its diagnostic window.
- * No cooperation from the Target is required for this.
- */
-A_STATUS
-ar6000_ReadRegDiag(HIF_DEVICE *hifDevice, A_UINT32 *address, A_UINT32 *data)
-{
-    A_STATUS status;
-
-        /* set window register to start read cycle */
-    status = ar6000_SetAddressWindowRegister(hifDevice,
-                                             WINDOW_READ_ADDR_ADDRESS,
-                                             *address);
-
-    if (status != A_OK) {
-        return status;
-    }
-
-        /* read the data */
-    status = HIFReadWrite(hifDevice,
-                          WINDOW_DATA_ADDRESS,
-                          (A_UCHAR *)data,
-                          sizeof(A_UINT32),
-                          HIF_RD_SYNC_BYTE_INC,
-                          NULL);
-    if (status != A_OK) {
-        AR_DEBUG_PRINTF(ATH_LOG_ERR, ("Cannot read from WINDOW_DATA_ADDRESS\n"));
-        return status;
-    }
-
-    return status;
-}
-
-
-/*
- * Write to the AR6000 through its diagnostic window.
- * No cooperation from the Target is required for this.
- */
-A_STATUS
-ar6000_WriteRegDiag(HIF_DEVICE *hifDevice, A_UINT32 *address, A_UINT32 *data)
-{
-    A_STATUS status;
-
-        /* set write data */
-    status = HIFReadWrite(hifDevice,
-                          WINDOW_DATA_ADDRESS,
-                          (A_UCHAR *)data,
-                          sizeof(A_UINT32),
-                          HIF_WR_SYNC_BYTE_INC,
-                          NULL);
-    if (status != A_OK) {
-        AR_DEBUG_PRINTF(ATH_LOG_ERR, ("Cannot write 0x%x to WINDOW_DATA_ADDRESS\n", *data));
-        return status;
-    }
-
-        /* set window register, which starts the write cycle */
-    return ar6000_SetAddressWindowRegister(hifDevice,
-                                           WINDOW_WRITE_ADDR_ADDRESS,
-                                           *address);
-}
-
-A_STATUS
-ar6000_ReadDataDiag(HIF_DEVICE *hifDevice, A_UINT32 address,
-                    A_UCHAR *data, A_UINT32 length)
-{
-    A_UINT32 count;
-    A_STATUS status = A_OK;
-
-    for (count = 0; count < length; count += 4, address += 4) {
-        if ((status = ar6000_ReadRegDiag(hifDevice, &address,
-                                         (A_UINT32 *)&data[count])) != A_OK)
-        {
-            break;
-        }
-    }
-
-    return status;
-}
-
-A_STATUS
-ar6000_WriteDataDiag(HIF_DEVICE *hifDevice, A_UINT32 address,
-                     A_UCHAR *data, A_UINT32 length)
-{
-    A_UINT32 count;
-    A_STATUS status = A_OK;
-
-    for (count = 0; count < length; count += 4, address += 4) {
-        if ((status = ar6000_WriteRegDiag(hifDevice, &address,
-                                          (A_UINT32 *)&data[count])) != A_OK)
-        {
-            break;
-        }
-    }
-
-    return status;
-}
-
-A_STATUS
-ar6000_reset_device_skipflash(HIF_DEVICE *hifDevice)
-{
-    int i;
-    struct forceROM_s {
-        A_UINT32 addr;
-        A_UINT32 data;
-    };
-    struct forceROM_s *ForceROM;
-    int szForceROM;
-    A_UINT32 instruction;
-
-    static struct forceROM_s ForceROM_REV2[] = {
-        /* NB: This works for old REV2 ROM (old). */
-        {0x00001ff0, 0x175b0027}, /* jump instruction at 0xa0001ff0 */
-        {0x00001ff4, 0x00000000}, /* nop instruction at 0xa0001ff4 */
-
-        {MC_REMAP_TARGET_ADDRESS, 0x00001ff0}, /* remap to 0xa0001ff0 */
-        {MC_REMAP_COMPARE_ADDRESS, 0x01000040},/* ...from 0xbfc00040 */
-        {MC_REMAP_SIZE_ADDRESS, 0x00000000},   /* ...1 cache line */
-        {MC_REMAP_VALID_ADDRESS, 0x00000001},  /* ...remap is valid */
-
-        {LOCAL_COUNT_ADDRESS+0x10, 0}, /* clear BMI credit counter */
-
-        {RESET_CONTROL_ADDRESS, RESET_CONTROL_WARM_RST_MASK},
-    };
-
-    static struct forceROM_s ForceROM_NEW[] = {
-        /* NB: This works for AR6000 ROM REV3 and beyond.  */
-        {LOCAL_SCRATCH_ADDRESS, AR6K_OPTION_IGNORE_FLASH},
-        {LOCAL_COUNT_ADDRESS+0x10, 0}, /* clear BMI credit counter */
-        {RESET_CONTROL_ADDRESS, RESET_CONTROL_WARM_RST_MASK},
-    };
-
-    /*
-     * Examine a semi-arbitrary instruction that's different
-     * in REV2 and other revisions.
-     * NB: If a Host port does not require simultaneous support
-     * for multiple revisions of Target ROM, this code can be elided.
-     */
-    (void)ar6000_ReadDataDiag(hifDevice, 0x01000040,
-                              (A_UCHAR *)&instruction, 4);
-
-    AR_DEBUG_PRINTF(ATH_LOG_ERR, ("instruction=0x%x\n", instruction));
-
-    if (instruction == 0x3c1aa200) {
-        /* It's an old ROM */
-        ForceROM = ForceROM_REV2;
-        szForceROM = sizeof(ForceROM_REV2)/sizeof(*ForceROM);
-        AR_DEBUG_PRINTF(ATH_LOG_ERR, ("Using OLD method\n"));
-    } else {
-        ForceROM = ForceROM_NEW;
-        szForceROM = sizeof(ForceROM_NEW)/sizeof(*ForceROM);
-        AR_DEBUG_PRINTF(ATH_LOG_ERR, ("Using NEW method\n"));
-    }
-
-    AR_DEBUG_PRINTF(ATH_LOG_ERR, ("Force Target to execute from ROM....\n"));
-    for (i = 0; i < szForceROM; i++)
-    {
-        if (ar6000_WriteRegDiag(hifDevice,
-                                &ForceROM[i].addr,
-                                &ForceROM[i].data) != A_OK)
-        {
-            AR_DEBUG_PRINTF(ATH_LOG_ERR, ("Cannot force Target to execute ROM!\n"));
-            return A_ERROR;
-        }
-    }
-
-    msleep(50); /* delay to allow dragon to come to BMI phase  */
-    return A_OK;
-}
-
-/* reset device */
-A_STATUS ar6000_reset_device(HIF_DEVICE *hifDevice, A_UINT32 TargetType)
-{
-
-#if !defined(DWSIM)
-    A_STATUS status = A_OK;
-    A_UINT32 address;
-    A_UINT32 data;
-
-    do {
-
-        // address = RESET_CONTROL_ADDRESS;
-        data = RESET_CONTROL_COLD_RST_MASK;
-
-          /* Hardcode the address of RESET_CONTROL_ADDRESS based on the target type */
-        if (TargetType == TARGET_TYPE_AR6001) {
-            address = 0x0C000000;
-        } else {
-            if (TargetType == TARGET_TYPE_AR6002) {
-                address = 0x00004000;
-            } else {
-                A_ASSERT(0);
-            }
-        }
-
-        status = ar6000_WriteRegDiag(hifDevice, &address, &data);
-
-        if (A_FAILED(status)) {
-            break;
-        }
-
-        /*
-         * Read back the RESET CAUSE register to ensure that the cold reset
-         * went through.
-         */
-        msleep(2000); /* 2 second delay to allow things to settle down */
-
-
-        // address = RESET_CAUSE_ADDRESS;
-        /* Hardcode the address of RESET_CAUSE_ADDRESS based on the target type */
-        if (TargetType == TARGET_TYPE_AR6001) {
-            address = 0x0C0000CC;
-        } else {
-            if (TargetType == TARGET_TYPE_AR6002) {
-                address = 0x000040C0;
-            } else {
-                A_ASSERT(0);
-            }
-        }
-
-        data = 0;
-        status = ar6000_ReadRegDiag(hifDevice, &address, &data);
-
-        if (A_FAILED(status)) {
-            break;
-        }
-
-        AR_DEBUG_PRINTF(ATH_LOG_ERR, ("Reset Cause readback: 0x%X \n",data));
-        data &= RESET_CAUSE_LAST_MASK;
-        if (data != 2) {
-            AR_DEBUG_PRINTF(ATH_LOG_ERR, ("Unable to cold reset the target \n"));
-        }
-
-    } while (FALSE);
-
-    if (A_FAILED(status)) {
-        AR_DEBUG_PRINTF(ATH_LOG_ERR, ("Failed to reset target \n"));
-    }
-#endif
-    return A_OK;
-}
-
-#define REG_DUMP_COUNT_AR6001   38  /* WORDs, derived from AR6001_regdump.h */
-#define REG_DUMP_COUNT_AR6002   32  /* WORDs, derived from AR6002_regdump.h */
-
-
-#if REG_DUMP_COUNT_AR6001 <= REG_DUMP_COUNT_AR6002
-#define REGISTER_DUMP_LEN_MAX  REG_DUMP_COUNT_AR6002
-#else
-#define REGISTER_DUMP_LEN_MAX  REG_DUMP_COUNT_AR6001
-#endif
-
-void ar6000_dump_target_assert_info(HIF_DEVICE *hifDevice, A_UINT32 TargetType)
-{
-    A_UINT32 address;
-    A_UINT32 regDumpArea = 0;
-    A_STATUS status;
-    A_UINT32 regDumpValues[REGISTER_DUMP_LEN_MAX];
-    A_UINT32 regDumpCount = 0;
-    A_UINT32 i;
-
-    do {
-
-            /* the reg dump pointer is copied to the host interest area */
-        address = HOST_INTEREST_ITEM_ADDRESS(TargetType, hi_failure_state);
-
-        if (TargetType == TARGET_TYPE_AR6001) {
-                /* for AR6001, this is a fixed location because the ptr is actually stuck in cache,
-                 * this may be fixed in later firmware versions */
-            address = 0x18a0;
-            regDumpCount = REG_DUMP_COUNT_AR6001;
-
-        } else  if (TargetType == TARGET_TYPE_AR6002) {
-
-            regDumpCount = REG_DUMP_COUNT_AR6002;
-
-        } else {
-            A_ASSERT(0);
-        }
-
-            /* read RAM location through diagnostic window */
-        status = ar6000_ReadRegDiag(hifDevice, &address, &regDumpArea);
-
-        if (A_FAILED(status)) {
-            AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("AR6K: Failed to get ptr to register dump area \n"));
-            break;
-        }
-
-        AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("AR6K: Location of register dump data: 0x%X \n",regDumpArea));
-
-        if (regDumpArea == 0) {
-                /* no reg dump */
-            break;
-        }
-
-        if (TargetType == TARGET_TYPE_AR6001) {
-            regDumpArea &= 0x0FFFFFFF;  /* convert to physical address in target memory */
-        }
-
-            /* fetch register dump data */
-        status = ar6000_ReadDataDiag(hifDevice,
-                                     regDumpArea,
-                                     (A_UCHAR *)&regDumpValues[0],
-                                     regDumpCount * (sizeof(A_UINT32)));
-
-        if (A_FAILED(status)) {
-            AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("AR6K: Failed to get register dump \n"));
-            break;
-        }
-
-        AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("AR6K: Register Dump: \n"));
-
-        for (i = 0; i < regDumpCount; i++) {
-            AR_DEBUG_PRINTF(ATH_DEBUG_ERR,(" %d :  0x%8.8X \n",i, regDumpValues[i]));
-        }
-
-    } while (FALSE);
-
-}
-
diff --git a/target/linux/s3c24xx/files-2.6.30/drivers/ar6000/miscdrv/credit_dist.c b/target/linux/s3c24xx/files-2.6.30/drivers/ar6000/miscdrv/credit_dist.c
deleted file mode 100644
index 8d37d6272..000000000
--- a/target/linux/s3c24xx/files-2.6.30/drivers/ar6000/miscdrv/credit_dist.c
+++ /dev/null
@@ -1,346 +0,0 @@
-
-/*
- *
- * Copyright (c) 2004-2007 Atheros Communications Inc.
- * All rights reserved.
- *
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 2 as
- *  published by the Free Software Foundation;
- *
- *  Software distributed under the License is distributed on an "AS
- *  IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
- *  implied. See the License for the specific language governing
- *  rights and limitations under the License.
- *
- *
- *
- */
-
-#include "a_config.h"
-#include "athdefs.h"
-#include "a_types.h"
-#include "a_osapi.h"
-#include "a_debug.h"
-#include "htc_api.h"
-#include "common_drv.h"
-
-/********* CREDIT DISTRIBUTION FUNCTIONS ******************************************/
-
-#define NO_VO_SERVICE 1 /* currently WMI only uses 3 data streams, so we leave VO service inactive */
-
-#ifdef NO_VO_SERVICE
-#define DATA_SVCS_USED 3
-#else
-#define DATA_SVCS_USED 4
-#endif
-
-static void RedistributeCredits(COMMON_CREDIT_STATE_INFO *pCredInfo,
-                                HTC_ENDPOINT_CREDIT_DIST *pEPDistList);
-
-static void SeekCredits(COMMON_CREDIT_STATE_INFO *pCredInfo,
-                        HTC_ENDPOINT_CREDIT_DIST *pEPDistList);
-
-/* reduce an ep's credits back to a set limit */
-static INLINE void ReduceCredits(COMMON_CREDIT_STATE_INFO *pCredInfo,
-                                HTC_ENDPOINT_CREDIT_DIST  *pEpDist,
-                                int                       Limit)
-{
-    int credits;
-
-        /* set the new limit */
-    pEpDist->TxCreditsAssigned = Limit;
-
-    if (pEpDist->TxCredits <= Limit) {
-        return;
-    }
-
-        /* figure out how much to take away */
-    credits = pEpDist->TxCredits - Limit;
-        /* take them away */
-    pEpDist->TxCredits -= credits;
-    pCredInfo->CurrentFreeCredits += credits;
-}
-
-/* give an endpoint some credits from the free credit pool */
-#define GiveCredits(pCredInfo,pEpDist,credits)      \
-{                                                   \
-    (pEpDist)->TxCredits += (credits);              \
-    (pEpDist)->TxCreditsAssigned += (credits);      \
-    (pCredInfo)->CurrentFreeCredits -= (credits);   \
-}
-
-
-/* default credit init callback.
- * This function is called in the context of HTCStart() to setup initial (application-specific)
- * credit distributions */
-static void ar6000_credit_init(void                     *Context,
-                               HTC_ENDPOINT_CREDIT_DIST *pEPList,
-                               int                      TotalCredits)
-{
-    HTC_ENDPOINT_CREDIT_DIST *pCurEpDist;
-    int                      count;
-    COMMON_CREDIT_STATE_INFO *pCredInfo = (COMMON_CREDIT_STATE_INFO *)Context;
-
-    pCredInfo->CurrentFreeCredits = TotalCredits;
-    pCredInfo->TotalAvailableCredits = TotalCredits;
-
-    pCurEpDist = pEPList;
-
-        /* run through the list and initialize */
-    while (pCurEpDist != NULL) {
-
-            /* set minimums for each endpoint */
-        pCurEpDist->TxCreditsMin = pCurEpDist->TxCreditsPerMaxMsg;
-
-        if (pCurEpDist->ServiceID == WMI_CONTROL_SVC) {
-                /* give control service some credits */
-            GiveCredits(pCredInfo,pCurEpDist,pCurEpDist->TxCreditsMin);
-                /* control service is always marked active, it never goes inactive EVER */
-            SET_EP_ACTIVE(pCurEpDist);
-        } else if (pCurEpDist->ServiceID == WMI_DATA_BK_SVC) {
-                /* this is the lowest priority data endpoint, save this off for easy access */
-            pCredInfo->pLowestPriEpDist = pCurEpDist;
-        }
-
-        /* Streams have to be created (explicit | implicit)for all kinds
-         * of traffic. BE endpoints are also inactive in the beginning.
-         * When BE traffic starts it creates implicit streams that
-         * redistributes credits.
-         */
-
-        /* note, all other endpoints have minimums set but are initially given NO credits.
-         * Credits will be distributed as traffic activity demands */
-        pCurEpDist = pCurEpDist->pNext;
-    }
-
-    if (pCredInfo->CurrentFreeCredits <= 0) {
-        AR_DEBUG_PRINTF(ATH_LOG_INF, ("Not enough credits (%d) to do credit distributions \n", TotalCredits));
-        A_ASSERT(FALSE);
-        return;
-    }
-
-        /* reset list */
-    pCurEpDist = pEPList;
-        /* now run through the list and set max operating credit limits for everyone */
-    while (pCurEpDist != NULL) {
-        if (pCurEpDist->ServiceID == WMI_CONTROL_SVC) {
-                /* control service max is just 1 max message */
-            pCurEpDist->TxCreditsNorm = pCurEpDist->TxCreditsPerMaxMsg;
-        } else {
-                /* for the remaining data endpoints, we assume that each TxCreditsPerMaxMsg are
-                 * the same.
-                 * We use a simple calculation here, we take the remaining credits and
-                 * determine how many max messages this can cover and then set each endpoint's
-                 * normal value equal to half this amount.
-                 * */
-            count = (pCredInfo->CurrentFreeCredits/pCurEpDist->TxCreditsPerMaxMsg) * pCurEpDist->TxCreditsPerMaxMsg;
-            count = count >> 1;
-            count = max(count,pCurEpDist->TxCreditsPerMaxMsg);
-                /* set normal */
-            pCurEpDist->TxCreditsNorm = count;
-
-        }
-        pCurEpDist = pCurEpDist->pNext;
-    }
-
-}
-
-
-/* default credit distribution callback
- * This callback is invoked whenever endpoints require credit distributions.
- * A lock is held while this function is invoked, this function shall NOT block.
- * The pEPDistList is a list of distribution structures in prioritized order as
- * defined by the call to the HTCSetCreditDistribution() api.
- *
- */
-static void ar6000_credit_distribute(void                     *Context,
-                                     HTC_ENDPOINT_CREDIT_DIST *pEPDistList,
-                                     HTC_CREDIT_DIST_REASON   Reason)
-{
-    HTC_ENDPOINT_CREDIT_DIST *pCurEpDist;
-    COMMON_CREDIT_STATE_INFO *pCredInfo = (COMMON_CREDIT_STATE_INFO *)Context;
-
-    switch (Reason) {
-        case HTC_CREDIT_DIST_SEND_COMPLETE :
-            pCurEpDist = pEPDistList;
-                /* we are given the start of the endpoint distribution list.
-                 * There may be one or more endpoints to service.
-                 * Run through the list and distribute credits */
-            while (pCurEpDist != NULL) {
-
-                if (pCurEpDist->TxCreditsToDist > 0) {
-                        /* return the credits back to the endpoint */
-                    pCurEpDist->TxCredits += pCurEpDist->TxCreditsToDist;
-                        /* always zero out when we are done */
-                    pCurEpDist->TxCreditsToDist = 0;
-
-                    if (pCurEpDist->TxCredits > pCurEpDist->TxCreditsAssigned) {
-                            /* reduce to the assigned limit, previous credit reductions
-                             * could have caused the limit to change */
-                        ReduceCredits(pCredInfo, pCurEpDist, pCurEpDist->TxCreditsAssigned);
-                    }
-
-                    if (pCurEpDist->TxCredits > pCurEpDist->TxCreditsNorm) {
-                            /* oversubscribed endpoints need to reduce back to normal */
-                        ReduceCredits(pCredInfo, pCurEpDist, pCurEpDist->TxCreditsNorm);
-                    }
-                }
-
-                pCurEpDist = pCurEpDist->pNext;
-            }
-
-            A_ASSERT(pCredInfo->CurrentFreeCredits <= pCredInfo->TotalAvailableCredits);
-
-            break;
-
-        case HTC_CREDIT_DIST_ACTIVITY_CHANGE :
-            RedistributeCredits(pCredInfo,pEPDistList);
-            break;
-        case HTC_CREDIT_DIST_SEEK_CREDITS :
-            SeekCredits(pCredInfo,pEPDistList);
-            break;
-        case HTC_DUMP_CREDIT_STATE :
-            AR_DEBUG_PRINTF(ATH_LOG_INF, ("Credit Distribution, total : %d, free : %d\n",
-            								pCredInfo->TotalAvailableCredits, pCredInfo->CurrentFreeCredits));
-            break;
-        default:
-            break;
-
-    }
-
-}
-
-/* redistribute credits based on activity change */
-static void RedistributeCredits(COMMON_CREDIT_STATE_INFO *pCredInfo,
-                                HTC_ENDPOINT_CREDIT_DIST *pEPDistList)
-{
-    HTC_ENDPOINT_CREDIT_DIST *pCurEpDist = pEPDistList;
-
-        /* walk through the list and remove credits from inactive endpoints */
-    while (pCurEpDist != NULL) {
-
-        if (pCurEpDist->ServiceID != WMI_CONTROL_SVC) {
-            if (!IS_EP_ACTIVE(pCurEpDist)) {
-                    /* EP is inactive, reduce credits back to zero */
-                ReduceCredits(pCredInfo, pCurEpDist, 0);
-            }
-        }
-
-        /* NOTE in the active case, we do not need to do anything further,
-         * when an EP goes active and needs credits, HTC will call into
-         * our distribution function using a reason code of HTC_CREDIT_DIST_SEEK_CREDITS  */
-
-        pCurEpDist = pCurEpDist->pNext;
-    }
-
-    A_ASSERT(pCredInfo->CurrentFreeCredits <= pCredInfo->TotalAvailableCredits);
-
-}
-
-/* HTC has an endpoint that needs credits, pEPDist is the endpoint in question */
-static void SeekCredits(COMMON_CREDIT_STATE_INFO *pCredInfo,
-                        HTC_ENDPOINT_CREDIT_DIST *pEPDist)
-{
-    HTC_ENDPOINT_CREDIT_DIST *pCurEpDist;
-    int                      credits = 0;
-    int                      need;
-
-    do {
-
-        if (pEPDist->ServiceID == WMI_CONTROL_SVC) {
-                /* we never oversubscribe on the control service, this is not
-                 * a high performance path and the target never holds onto control
-                 * credits for too long */
-            break;
-        }
-
-        /* for all other services, we follow a simple algorithm of
-         * 1. checking the free pool for credits
-         * 2. checking lower priority endpoints for credits to take */
-
-        if (pCredInfo->CurrentFreeCredits >= 2 * pEPDist->TxCreditsSeek) {
-                /* try to give more credits than it needs */
-            credits = 2 * pEPDist->TxCreditsSeek;
-        } else {
-                /* give what we can */
-            credits = min(pCredInfo->CurrentFreeCredits,pEPDist->TxCreditsSeek);
-        }
-
-        if (credits >= pEPDist->TxCreditsSeek) {
-                /* we found some to fullfill the seek request */
-            break;
-        }
-
-        /* we don't have enough in the free pool, try taking away from lower priority services
-         *
-         * The rule for taking away credits:
-         *   1. Only take from lower priority endpoints
-         *   2. Only take what is allocated above the minimum (never starve an endpoint completely)
-         *   3. Only take what you need.
-         *
-         * */
-
-            /* starting at the lowest priority */
-        pCurEpDist = pCredInfo->pLowestPriEpDist;
-
-            /* work backwards until we hit the endpoint again */
-        while (pCurEpDist != pEPDist) {
-                /* calculate how many we need so far */
-            need = pEPDist->TxCreditsSeek - pCredInfo->CurrentFreeCredits;
-
-            if ((pCurEpDist->TxCreditsAssigned - need) > pCurEpDist->TxCreditsMin) {
-                    /* the current one has been allocated more than it's minimum and it
-                     * has enough credits assigned above it's minimum to fullfill our need
-                     * try to take away just enough to fullfill our need */
-                ReduceCredits(pCredInfo,
-                              pCurEpDist,
-                              pCurEpDist->TxCreditsAssigned - need);
-
-                if (pCredInfo->CurrentFreeCredits >= pEPDist->TxCreditsSeek) {
-                        /* we have enough */
-                    break;
-                }
-            }
-
-            pCurEpDist = pCurEpDist->pPrev;
-        }
-
-            /* return what we can get */
-        credits = min(pCredInfo->CurrentFreeCredits,pEPDist->TxCreditsSeek);
-
-    } while (FALSE);
-
-        /* did we find some credits? */
-    if (credits) {
-            /* give what we can */
-        GiveCredits(pCredInfo, pEPDist, credits);
-    }
-
-}
-
-/* initialize and setup credit distribution */
-A_STATUS ar6000_setup_credit_dist(HTC_HANDLE HTCHandle, COMMON_CREDIT_STATE_INFO *pCredInfo)
-{
-    HTC_SERVICE_ID servicepriority[5];
-
-    A_MEMZERO(pCredInfo,sizeof(COMMON_CREDIT_STATE_INFO));
-
-    servicepriority[0] = WMI_CONTROL_SVC;  /* highest */
-    servicepriority[1] = WMI_DATA_VO_SVC;
-    servicepriority[2] = WMI_DATA_VI_SVC;
-    servicepriority[3] = WMI_DATA_BE_SVC;
-    servicepriority[4] = WMI_DATA_BK_SVC; /* lowest */
-
-        /* set callbacks and priority list */
-    HTCSetCreditDistribution(HTCHandle,
-                             pCredInfo,
-                             ar6000_credit_distribute,
-                             ar6000_credit_init,
-                             servicepriority,
-                             5);
-
-    return A_OK;
-}
-