static void PlatformIOWrite4Byte(struct net_device *dev, u32 offset, u32 data)
{
if (offset == PhyAddr) {
/* For Base Band configuration. */
unsigned char cmdByte;
unsigned long dataBytes;
unsigned char idx;
u8 u1bTmp;
cmdByte = (u8)(data & 0x000000ff);
dataBytes = data>>8;
/* NdisAcquireSpinLock( &(pDevice->IoSpinLock) ); */
for (idx = 0; idx < 30; idx++) {
/* Make sure command bit is clear before access it. */
u1bTmp = PlatformIORead1Byte(dev, PhyAddr);
if ((u1bTmp & BIT7) == 0)
break;
else
mdelay(10);
}
for (idx = 0; idx < 3; idx++)
PlatformIOWrite1Byte(dev, offset+1+idx, ((u8 *)&dataBytes)[idx]);
write_nic_byte(dev, offset, cmdByte);
/* NdisReleaseSpinLock( &(pDevice->IoSpinLock) ); */
} else {
void
PlatformIOWrite4Byte(
struct net_device *dev,
u32 offset,
u32 data
)
{
//{by amy 080312
if (offset == PhyAddr)
{//For Base Band configuration.
unsigned char cmdByte;
unsigned long dataBytes;
unsigned char idx;
u8 u1bTmp;
cmdByte = (u8)(data & 0x000000ff);
dataBytes = data>>8;
//
// 071010, rcnjko:
// The critical section is only BB read/write race condition.
// Assumption:
// 1. We assume NO one will access BB at DIRQL, otherwise, system will crash for
// acquiring the spinlock in such context.
// 2. PlatformIOWrite4Byte() MUST NOT be recursive.
//
// NdisAcquireSpinLock( &(pDevice->IoSpinLock) );
for(idx = 0; idx < 30; idx++)
{ // Make sure command bit is clear before access it.
u1bTmp = PlatformIORead1Byte(dev, PhyAddr);
if((u1bTmp & BIT7) == 0)
break;
else
mdelay(10);
}
for(idx=0; idx < 3; idx++)
{
PlatformIOWrite1Byte(dev,offset+1+idx,((u8*)&dataBytes)[idx] );
}
write_nic_byte(dev, offset, cmdByte);
// NdisReleaseSpinLock( &(pDevice->IoSpinLock) );
}
