[Madwifi-cvs] revision 4021 committed

[Pavel R. <svn...@ma...>]

Project     : madwifi
Revision    : 4021
Author      : proski (Pavel Roskin)
Date        : 2009-05-12 18:44:36 +0200 (Tue, 12 May 2009)

Log Message :
Reduce stack usage in ar5112SetPowerTable() - eliminate tmpPowerTable

Affected Files:
* madwifi/trunk/ath_hal/ar5212/ar5112.c               updated             


Modified: madwifi/trunk/ath_hal/ar5212/ar5112.c
===================================================================
--- madwifi/trunk/ath_hal/ar5212/ar5112.c	2009-05-07 21:11:03 UTC (rev 4020)
+++ madwifi/trunk/ath_hal/ar5212/ar5112.c	2009-05-12 16:44:36 UTC (rev 4021)
@@ -363,7 +363,6 @@
 	uint16_t    numPcd;
 	int16_t     powTableLXPD[2][64];
 	int16_t     powTableHXPD[2][64];
-	int16_t     tmpPowerTable[64];
 	uint16_t    xgainList[2];
 	uint16_t    xpdMask;
 
@@ -430,11 +429,9 @@
 			OS_MEMCPY(&powers[0], &pRawCh->pDataPerXPD[jj].pwr_t4[0],
 				numPcd * sizeof(int16_t));
 			if (!getFullPwrTable(numPcd, &pcdacs[0], &powers[0],
-				pRawCh->maxPower_t4, &tmpPowerTable[0])) {
+				pRawCh->maxPower_t4, powTableLXPD[kk])) {
 				return AH_FALSE;
 			}
-			OS_MEMCPY(&powTableLXPD[kk][0], &tmpPowerTable[0],
-				64*sizeof(int16_t));
 		} else {
 			jj = xgainList[0];
 			numPcd = pRawCh->pDataPerXPD[jj].numPcdacs;
@@ -444,11 +441,9 @@
 				&pRawCh->pDataPerXPD[jj].pwr_t4[0],
 				numPcd*sizeof(int16_t));
 			if (!getFullPwrTable(numPcd, &pcdacs[0], &powers[0],
-				pRawCh->maxPower_t4, &tmpPowerTable[0])) {
+				pRawCh->maxPower_t4, powTableLXPD[kk])) {
 				return AH_FALSE;
 			}
-			OS_MEMCPY(&powTableLXPD[kk][0], &tmpPowerTable[0],
-				64 * sizeof(int16_t));
 
 			jj = xgainList[1];
 			numPcd = pRawCh->pDataPerXPD[jj].numPcdacs;
@@ -458,11 +453,9 @@
 				&pRawCh->pDataPerXPD[jj].pwr_t4[0],
 				numPcd * sizeof(int16_t));
 			if (!getFullPwrTable(numPcd, &pcdacs[0], &powers[0],
-				pRawCh->maxPower_t4, &tmpPowerTable[0])) {
+				pRawCh->maxPower_t4, powTableHXPD[kk])) {
 				return AH_FALSE;
 			}
-			OS_MEMCPY(&powTableHXPD[kk][0], &tmpPowerTable[0],
-				64 * sizeof(int16_t));
 		}
 		kk++;
 	}