#include <linux/pci.h>
#include <asm/uaccess.h>
#include <asm/atomic.h>
+#include <asm/unaligned.h>
#include <linux/bitops.h>
#include <linux/spinlock.h>
#include <linux/init.h>
while (1) {
if (tty->stopped || tty->hw_stopped)
break;
- c = min(info->xmit_fifo_room, min(info->xmit_cnt, XMIT_BUF_SIZE - info->xmit_tail));
+ c = min(info->xmit_fifo_room, info->xmit_cnt);
+ c = min(c, XMIT_BUF_SIZE - info->xmit_tail);
if (c <= 0 || info->xmit_fifo_room <= 0)
break;
sOutStrW(sGetTxRxDataIO(cp), (unsigned short *) (info->xmit_buf + info->xmit_tail), c / 2);
if (clear & TIOCM_DTR)
info->channel.TxControl[3] &= ~SET_DTR;
- sOutDW(info->channel.IndexAddr, *(DWord_t *) & (info->channel.TxControl[0]));
+ out32(info->channel.IndexAddr, info->channel.TxControl);
return 0;
}
{
struct r_port *info = (struct r_port *) tty->driver_data;
void __user *argp = (void __user *)arg;
+ int ret = 0;
if (cmd != RCKP_GET_PORTS && rocket_paranoia_check(info, "rp_ioctl"))
return -ENXIO;
+ lock_kernel();
+
switch (cmd) {
case RCKP_GET_STRUCT:
if (copy_to_user(argp, info, sizeof (struct r_port)))
- return -EFAULT;
- return 0;
+ ret = -EFAULT;
+ break;
case RCKP_GET_CONFIG:
- return get_config(info, argp);
+ ret = get_config(info, argp);
+ break;
case RCKP_SET_CONFIG:
- return set_config(info, argp);
+ ret = set_config(info, argp);
+ break;
case RCKP_GET_PORTS:
- return get_ports(info, argp);
+ ret = get_ports(info, argp);
+ break;
case RCKP_RESET_RM2:
- return reset_rm2(info, argp);
+ ret = reset_rm2(info, argp);
+ break;
case RCKP_GET_VERSION:
- return get_version(info, argp);
+ ret = get_version(info, argp);
+ break;
default:
- return -ENOIOCTLCMD;
+ ret = -ENOIOCTLCMD;
}
- return 0;
+ unlock_kernel();
+ return ret;
}
static void rp_send_xchar(struct tty_struct *tty, char ch)
jiffies);
printk(KERN_INFO "cps=%d...\n", info->cps);
#endif
+ lock_kernel();
while (1) {
txcnt = sGetTxCnt(cp);
if (!txcnt) {
break;
}
__set_current_state(TASK_RUNNING);
+ unlock_kernel();
#ifdef ROCKET_DEBUG_WAIT_UNTIL_SENT
printk(KERN_INFO "txcnt = %d (jiff=%lu)...done\n", txcnt, jiffies);
#endif
/* Write remaining data into the port's xmit_buf */
while (1) {
- if (info->tty == 0) /* Seemingly obligatory check... */
+ if (!info->tty) /* Seemingly obligatory check... */
goto end;
-
- c = min(count, min(XMIT_BUF_SIZE - info->xmit_cnt - 1, XMIT_BUF_SIZE - info->xmit_head));
+ c = min(count, XMIT_BUF_SIZE - info->xmit_cnt - 1);
+ c = min(c, XMIT_BUF_SIZE - info->xmit_head);
if (c <= 0)
break;
static Byte_t R[4] = { 0x00, 0x00, 0x34, 0x12 };
/* write to chan 0 SRAM */
- sOutDW((DWordIO_t) io + _INDX_ADDR, *((DWord_t *) & R[0]));
+ out32((DWordIO_t) io + _INDX_ADDR, R);
sOutW(io + _INDX_ADDR, 0); /* read from SRAM, chan 0 */
x = sInW(io + _INDX_DATA);
sOutW(io + _INDX_ADDR, 0x4000); /* read from SRAM, chan 4 */
R[1] = RData[i + 1] + 0x10 * ChanNum;
R[2] = RData[i + 2];
R[3] = RData[i + 3];
- sOutDW(ChP->IndexAddr, *((DWord_t *) & R[0]));
+ out32(ChP->IndexAddr, R);
}
ChR = ChP->R;
ChP->BaudDiv[1] = (Byte_t) ((ChOff + _BAUD) >> 8);
ChP->BaudDiv[2] = (Byte_t) brd9600;
ChP->BaudDiv[3] = (Byte_t) (brd9600 >> 8);
- sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->BaudDiv[0]);
+ out32(ChP->IndexAddr, ChP->BaudDiv);
ChP->TxControl[0] = (Byte_t) (ChOff + _TX_CTRL);
ChP->TxControl[1] = (Byte_t) ((ChOff + _TX_CTRL) >> 8);
ChP->TxControl[2] = 0;
ChP->TxControl[3] = 0;
- sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxControl[0]);
+ out32(ChP->IndexAddr, ChP->TxControl);
ChP->RxControl[0] = (Byte_t) (ChOff + _RX_CTRL);
ChP->RxControl[1] = (Byte_t) ((ChOff + _RX_CTRL) >> 8);
ChP->RxControl[2] = 0;
ChP->RxControl[3] = 0;
- sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->RxControl[0]);
+ out32(ChP->IndexAddr, ChP->RxControl);
ChP->TxEnables[0] = (Byte_t) (ChOff + _TX_ENBLS);
ChP->TxEnables[1] = (Byte_t) ((ChOff + _TX_ENBLS) >> 8);
ChP->TxEnables[2] = 0;
ChP->TxEnables[3] = 0;
- sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxEnables[0]);
+ out32(ChP->IndexAddr, ChP->TxEnables);
ChP->TxCompare[0] = (Byte_t) (ChOff + _TXCMP1);
ChP->TxCompare[1] = (Byte_t) ((ChOff + _TXCMP1) >> 8);
ChP->TxCompare[2] = 0;
ChP->TxCompare[3] = 0;
- sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxCompare[0]);
+ out32(ChP->IndexAddr, ChP->TxCompare);
ChP->TxReplace1[0] = (Byte_t) (ChOff + _TXREP1B1);
ChP->TxReplace1[1] = (Byte_t) ((ChOff + _TXREP1B1) >> 8);
ChP->TxReplace1[2] = 0;
ChP->TxReplace1[3] = 0;
- sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxReplace1[0]);
+ out32(ChP->IndexAddr, ChP->TxReplace1);
ChP->TxReplace2[0] = (Byte_t) (ChOff + _TXREP2);
ChP->TxReplace2[1] = (Byte_t) ((ChOff + _TXREP2) >> 8);
ChP->TxReplace2[2] = 0;
ChP->TxReplace2[3] = 0;
- sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxReplace2[0]);
+ out32(ChP->IndexAddr, ChP->TxReplace2);
ChP->TxFIFOPtrs = ChOff + _TXF_OUTP;
ChP->TxFIFO = ChOff + _TX_FIFO;
R[1] = ChP->R[1];
R[2] = 0x0a;
R[3] = ChP->R[3];
- sOutDW(ChP->IndexAddr, *(DWord_t *) & R[0]);
+ out32(ChP->IndexAddr, R);
}
/***************************************************************************
*WordPtr = ChP->TxPrioBuf; /* data byte address */
DWBuf[2] = Data; /* data byte value */
- sOutDW(IndexAddr, *((DWord_t *) (&DWBuf[0]))); /* write it out */
+ out32(IndexAddr, DWBuf); /* write it out */
*WordPtr = ChP->TxPrioCnt; /* Tx priority count address */
DWBuf[2] = PRI_PEND + 1; /* indicate 1 byte pending */
DWBuf[3] = 0; /* priority buffer pointer */
- sOutDW(IndexAddr, *((DWord_t *) (&DWBuf[0]))); /* write it out */
+ out32(IndexAddr, DWBuf); /* write it out */
} else { /* write it to Tx FIFO */
sWriteTxByte(sGetTxRxDataIO(ChP), Data);
ChP->RxControl[2] |=
((Byte_t) Flags & (RXINT_EN | SRCINT_EN | MCINT_EN));
- sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->RxControl[0]);
+ out32(ChP->IndexAddr, ChP->RxControl);
ChP->TxControl[2] |= ((Byte_t) Flags & TXINT_EN);
- sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxControl[0]);
+ out32(ChP->IndexAddr, ChP->TxControl);
if (Flags & CHANINT_EN) {
Mask = sInB(ChP->IntMask) | sBitMapSetTbl[ChP->ChanNum];
ChP->RxControl[2] &=
~((Byte_t) Flags & (RXINT_EN | SRCINT_EN | MCINT_EN));
- sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->RxControl[0]);
+ out32(ChP->IndexAddr, ChP->RxControl);
ChP->TxControl[2] &= ~((Byte_t) Flags & TXINT_EN);
- sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxControl[0]);
+ out32(ChP->IndexAddr, ChP->TxControl);
if (Flags & CHANINT_EN) {
Mask = sInB(ChP->IntMask) & sBitMapClrTbl[ChP->ChanNum];