Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 457fb605 authored by Al Viro's avatar Al Viro Committed by Linus Torvalds
Browse files

drivers/char/rocket portability fixes



unsigned long != __le32, TYVM, and unsigned char[4] is not guaranteed
to be aligned for u32.

While we are at it, sanitize sOutDW() a bit - have it take Byte_t * and
handle dereferencing internally.

NB: sWriteTxPrioByte() is almost certainly buggered on big-endian and is
missing cpu_to_le16() on assignments to *WordPtr; I've left it alone for now.

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
Acked-by: default avatar"Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 635440c0
Loading
Loading
Loading
Loading
+19 −18
Original line number Diff line number Diff line
@@ -83,6 +83,7 @@
#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>
@@ -1312,7 +1313,7 @@ static int rp_tiocmset(struct tty_struct *tty, struct file *file,
	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;
}

@@ -1748,7 +1749,7 @@ static int rp_write(struct tty_struct *tty,

	/*  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));
@@ -2798,7 +2799,7 @@ static int sReadAiopNumChan(WordIO_t io)
	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 */
@@ -2864,7 +2865,7 @@ static int sInitChan(CONTROLLER_T * CtlP, CHANNEL_T * ChP, int AiopNum,
		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;
@@ -2887,43 +2888,43 @@ static int sInitChan(CONTROLLER_T * CtlP, CHANNEL_T * ChP, int AiopNum,
	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;
@@ -2979,7 +2980,7 @@ static void sStopRxProcessor(CHANNEL_T * ChP)
	R[1] = ChP->R[1];
	R[2] = 0x0a;
	R[3] = ChP->R[3];
	sOutDW(ChP->IndexAddr, *(DWord_t *) & R[0]);
	out32(ChP->IndexAddr, R);
}

/***************************************************************************
@@ -3094,13 +3095,13 @@ static int sWriteTxPrioByte(CHANNEL_T * ChP, Byte_t Data)
		*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);
@@ -3147,11 +3148,11 @@ static void sEnInterrupts(CHANNEL_T * ChP, Word_t Flags)
	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];
@@ -3190,9 +3191,9 @@ static void sDisInterrupts(CHANNEL_T * ChP, Word_t Flags)

	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];
+37 −46
Original line number Diff line number Diff line
@@ -26,7 +26,6 @@ typedef unsigned int ByteIO_t;
typedef unsigned int Word_t;
typedef unsigned int WordIO_t;

typedef unsigned long DWord_t;
typedef unsigned int DWordIO_t;

/*
@@ -38,7 +37,6 @@ typedef unsigned int DWordIO_t;
 * instruction.
 */

#ifdef ROCKET_DEBUG_IO
static inline void sOutB(unsigned short port, unsigned char value)
{
#ifdef ROCKET_DEBUG_IO
@@ -55,12 +53,13 @@ static inline void sOutW(unsigned short port, unsigned short value)
	outw_p(value, port);
}

static inline void sOutDW(unsigned short port, unsigned long value)
static inline void out32(unsigned short port, Byte_t *p)
{
	u32 value = le32_to_cpu(get_unaligned((__le32 *)p));
#ifdef ROCKET_DEBUG_IO
	printk(KERN_DEBUG "sOutDW(%x, %lx)...\n", port, value);
	printk(KERN_DEBUG "out32(%x, %lx)...\n", port, value);
#endif
	outl_p(cpu_to_le32(value), port);
	outl_p(value, port);
}

static inline unsigned char sInB(unsigned short port)
@@ -73,14 +72,6 @@ static inline unsigned short sInW(unsigned short port)
	return inw_p(port);
}

#else				/* !ROCKET_DEBUG_IO */
#define sOutB(a, b) outb_p(b, a)
#define sOutW(a, b) outw_p(b, a)
#define sOutDW(port, value) outl_p(cpu_to_le32(value), port)
#define sInB(a) (inb_p(a))
#define sInW(a) (inw_p(a))
#endif				/* ROCKET_DEBUG_IO */

/* This is used to move arrays of bytes so byte swapping isn't appropriate. */
#define sOutStrW(port, addr, count) if (count) outsw(port, addr, count)
#define sInStrW(port, addr, count) if (count) insw(port, addr, count)
@@ -390,7 +381,7 @@ Call: sClrBreak(ChP)
#define sClrBreak(ChP) \
do { \
   (ChP)->TxControl[3] &= ~SETBREAK; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
   out32((ChP)->IndexAddr,(ChP)->TxControl); \
} while (0)

/***************************************************************************
@@ -402,7 +393,7 @@ Call: sClrDTR(ChP)
#define sClrDTR(ChP) \
do { \
   (ChP)->TxControl[3] &= ~SET_DTR; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
   out32((ChP)->IndexAddr,(ChP)->TxControl); \
} while (0)

/***************************************************************************
@@ -415,7 +406,7 @@ Call: sClrRTS(ChP)
do { \
   if ((ChP)->rtsToggle) break; \
   (ChP)->TxControl[3] &= ~SET_RTS; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
   out32((ChP)->IndexAddr,(ChP)->TxControl); \
} while (0)

/***************************************************************************
@@ -489,7 +480,7 @@ Call: sDisCTSFlowCtl(ChP)
#define sDisCTSFlowCtl(ChP) \
do { \
   (ChP)->TxControl[2] &= ~CTSFC_EN; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
   out32((ChP)->IndexAddr,(ChP)->TxControl); \
} while (0)

/***************************************************************************
@@ -501,7 +492,7 @@ Call: sDisIXANY(ChP)
#define sDisIXANY(ChP) \
do { \
   (ChP)->R[0x0e] = 0x86; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x0c]); \
   out32((ChP)->IndexAddr,&(ChP)->R[0x0c]); \
} while (0)

/***************************************************************************
@@ -515,7 +506,7 @@ Comments: Function sSetParity() can be used in place of functions sEnParity(),
#define sDisParity(ChP) \
do { \
   (ChP)->TxControl[2] &= ~PARITY_EN; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
   out32((ChP)->IndexAddr,(ChP)->TxControl); \
} while (0)

/***************************************************************************
@@ -527,7 +518,7 @@ Call: sDisRTSToggle(ChP)
#define sDisRTSToggle(ChP) \
do { \
   (ChP)->TxControl[2] &= ~RTSTOG_EN; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
   out32((ChP)->IndexAddr,(ChP)->TxControl); \
   (ChP)->rtsToggle = 0; \
} while (0)

@@ -540,7 +531,7 @@ Call: sDisRxFIFO(ChP)
#define sDisRxFIFO(ChP) \
do { \
   (ChP)->R[0x32] = 0x0a; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x30]); \
   out32((ChP)->IndexAddr,&(ChP)->R[0x30]); \
} while (0)

/***************************************************************************
@@ -567,7 +558,7 @@ Call: sDisTransmit(ChP)
#define sDisTransmit(ChP) \
do { \
   (ChP)->TxControl[3] &= ~TX_ENABLE; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
   out32((ChP)->IndexAddr,(ChP)->TxControl); \
} while (0)

/***************************************************************************
@@ -579,7 +570,7 @@ Call: sDisTxSoftFlowCtl(ChP)
#define sDisTxSoftFlowCtl(ChP) \
do { \
   (ChP)->R[0x06] = 0x8a; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x04]); \
   out32((ChP)->IndexAddr,&(ChP)->R[0x04]); \
} while (0)

/***************************************************************************
@@ -604,7 +595,7 @@ Call: sEnCTSFlowCtl(ChP)
#define sEnCTSFlowCtl(ChP) \
do { \
   (ChP)->TxControl[2] |= CTSFC_EN; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
   out32((ChP)->IndexAddr,(ChP)->TxControl); \
} while (0)

/***************************************************************************
@@ -616,7 +607,7 @@ Call: sEnIXANY(ChP)
#define sEnIXANY(ChP) \
do { \
   (ChP)->R[0x0e] = 0x21; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x0c]); \
   out32((ChP)->IndexAddr,&(ChP)->R[0x0c]); \
} while (0)

/***************************************************************************
@@ -633,7 +624,7 @@ Warnings: Before enabling parity odd or even parity should be chosen using
#define sEnParity(ChP) \
do { \
   (ChP)->TxControl[2] |= PARITY_EN; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
   out32((ChP)->IndexAddr,(ChP)->TxControl); \
} while (0)

/***************************************************************************
@@ -647,10 +638,10 @@ Comments: This function will disable RTS flow control and clear the RTS
#define sEnRTSToggle(ChP) \
do { \
   (ChP)->RxControl[2] &= ~RTSFC_EN; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->RxControl[0]); \
   out32((ChP)->IndexAddr,(ChP)->RxControl); \
   (ChP)->TxControl[2] |= RTSTOG_EN; \
   (ChP)->TxControl[3] &= ~SET_RTS; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
   out32((ChP)->IndexAddr,(ChP)->TxControl); \
   (ChP)->rtsToggle = 1; \
} while (0)

@@ -663,7 +654,7 @@ Call: sEnRxFIFO(ChP)
#define sEnRxFIFO(ChP) \
do { \
   (ChP)->R[0x32] = 0x08; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x30]); \
   out32((ChP)->IndexAddr,&(ChP)->R[0x30]); \
} while (0)

/***************************************************************************
@@ -684,7 +675,7 @@ Warnings: This function must be called after valid microcode has been
#define sEnRxProcessor(ChP) \
do { \
   (ChP)->RxControl[2] |= RXPROC_EN; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->RxControl[0]); \
   out32((ChP)->IndexAddr,(ChP)->RxControl); \
} while (0)

/***************************************************************************
@@ -708,7 +699,7 @@ Call: sEnTransmit(ChP)
#define sEnTransmit(ChP) \
do { \
   (ChP)->TxControl[3] |= TX_ENABLE; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
   out32((ChP)->IndexAddr,(ChP)->TxControl); \
} while (0)

/***************************************************************************
@@ -720,7 +711,7 @@ Call: sEnTxSoftFlowCtl(ChP)
#define sEnTxSoftFlowCtl(ChP) \
do { \
   (ChP)->R[0x06] = 0xc5; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x04]); \
   out32((ChP)->IndexAddr,&(ChP)->R[0x04]); \
} while (0)

/***************************************************************************
@@ -927,7 +918,7 @@ Call: sSendBreak(ChP)
#define sSendBreak(ChP) \
do { \
   (ChP)->TxControl[3] |= SETBREAK; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
   out32((ChP)->IndexAddr,(ChP)->TxControl); \
} while (0)

/***************************************************************************
@@ -941,7 +932,7 @@ Call: sSetBaud(ChP,Divisor)
do { \
   (ChP)->BaudDiv[2] = (Byte_t)(DIVISOR); \
   (ChP)->BaudDiv[3] = (Byte_t)((DIVISOR) >> 8); \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->BaudDiv[0]); \
   out32((ChP)->IndexAddr,(ChP)->BaudDiv); \
} while (0)

/***************************************************************************
@@ -953,7 +944,7 @@ Call: sSetData7(ChP)
#define sSetData7(ChP) \
do { \
   (ChP)->TxControl[2] &= ~DATA8BIT; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
   out32((ChP)->IndexAddr,(ChP)->TxControl); \
} while (0)

/***************************************************************************
@@ -965,7 +956,7 @@ Call: sSetData8(ChP)
#define sSetData8(ChP) \
do { \
   (ChP)->TxControl[2] |= DATA8BIT; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
   out32((ChP)->IndexAddr,(ChP)->TxControl); \
} while (0)

/***************************************************************************
@@ -977,7 +968,7 @@ Call: sSetDTR(ChP)
#define sSetDTR(ChP) \
do { \
   (ChP)->TxControl[3] |= SET_DTR; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
   out32((ChP)->IndexAddr,(ChP)->TxControl); \
} while (0)

/***************************************************************************
@@ -994,7 +985,7 @@ Warnings: This function has no effect unless parity is enabled with function
#define sSetEvenParity(ChP) \
do { \
   (ChP)->TxControl[2] |= EVEN_PAR; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
   out32((ChP)->IndexAddr,(ChP)->TxControl); \
} while (0)

/***************************************************************************
@@ -1011,7 +1002,7 @@ Warnings: This function has no effect unless parity is enabled with function
#define sSetOddParity(ChP) \
do { \
   (ChP)->TxControl[2] &= ~EVEN_PAR; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
   out32((ChP)->IndexAddr,(ChP)->TxControl); \
} while (0)

/***************************************************************************
@@ -1024,7 +1015,7 @@ Call: sSetRTS(ChP)
do { \
   if ((ChP)->rtsToggle) break; \
   (ChP)->TxControl[3] |= SET_RTS; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
   out32((ChP)->IndexAddr,(ChP)->TxControl); \
} while (0)

/***************************************************************************
@@ -1050,7 +1041,7 @@ Comments: An interrupt will be generated when the trigger level is reached
do { \
   (ChP)->RxControl[2] &= ~TRIG_MASK; \
   (ChP)->RxControl[2] |= LEVEL; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->RxControl[0]); \
   out32((ChP)->IndexAddr,(ChP)->RxControl); \
} while (0)

/***************************************************************************
@@ -1062,7 +1053,7 @@ Call: sSetStop1(ChP)
#define sSetStop1(ChP) \
do { \
   (ChP)->TxControl[2] &= ~STOP2; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
   out32((ChP)->IndexAddr,(ChP)->TxControl); \
} while (0)

/***************************************************************************
@@ -1074,7 +1065,7 @@ Call: sSetStop2(ChP)
#define sSetStop2(ChP) \
do { \
   (ChP)->TxControl[2] |= STOP2; \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
   out32((ChP)->IndexAddr,(ChP)->TxControl); \
} while (0)

/***************************************************************************
@@ -1087,7 +1078,7 @@ Call: sSetTxXOFFChar(ChP,Ch)
#define sSetTxXOFFChar(ChP,CH) \
do { \
   (ChP)->R[0x07] = (CH); \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x04]); \
   out32((ChP)->IndexAddr,&(ChP)->R[0x04]); \
} while (0)

/***************************************************************************
@@ -1100,7 +1091,7 @@ Call: sSetTxXONChar(ChP,Ch)
#define sSetTxXONChar(ChP,CH) \
do { \
   (ChP)->R[0x0b] = (CH); \
   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x08]); \
   out32((ChP)->IndexAddr,&(ChP)->R[0x08]); \
} while (0)

/***************************************************************************
@@ -1113,7 +1104,7 @@ Comments: This function is used to start a Rx processor after it was
          will restart both the Rx processor and software input flow control.

*/
#define sStartRxProcessor(ChP) sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0])
#define sStartRxProcessor(ChP) out32((ChP)->IndexAddr,&(ChP)->R[0])

/***************************************************************************
Function: sWriteTxByte