[netdrvr] skfp: remove a bunch of dead code

The driver has not compiled in anything except PCI support for many
years (see drivers/net/skfp/Makefile).  This driver is also unmaintained
for many years, so arguments for keeping the cross-OS, cross-bus (ISA,
EISA, MCA) code do not exist.
Signed-off-by: Jeff Garzik <jeff@garzik.org>

drivers/net/skfp/h/mbuf.h

@@ -15,11 +15,7 @@
 #ifndef	_MBUF_
 #define _MBUF_
 
-#ifndef PCI
-#define M_SIZE	4550
-#else
 #define M_SIZE	4504
-#endif
 
 #ifndef MAX_MBUF
 #define MAX_MBUF	4

drivers/net/skfp/h/skfbiinc.h

@@ -22,32 +22,6 @@
  */
 #define ERR_FLAGS (FS_MSRABT | FS_SEAC2 | FS_SFRMERR | FS_SFRMTY1)
 
-#ifdef	ISA
-#define DMA_BUSY_CHECK	CSRA
-#define	IMASK_FAST	(IS_PLINT1 | IS_PLINT2 | IS_TIMINT)
-#define	HRQR		(RQAA+(RQ_RRQ<<1))
-#define	HRQW		(RQAA+(RQ_WA2<<1))
-#define	HRQA0		(RQAA+(RQ_WA0<<1))
-#define HRQSQ		(RQAA+(RQ_WSQ<<1))
-#endif
-
-#ifdef	EISA
-#define	DMA_BUSY_CHECK	CSRA
-#define DMA_HIGH_WORD	0x0400
-#define DMA_MASK_M	0x0a
-#define DMA_MODE_M	0x0b
-#define DMA_BYTE_PTR_M	0x0c
-#define DMA_MASK_S	0x0d4
-#define DMA_MODE_S	0x0d6
-#define DMA_BYTE_PTR_S	0x0d8
-#define	IMASK_FAST	(IS_PLINT1 | IS_PLINT2 | IS_TIMINT | IS_TC)
-#endif	/* EISA */
-
-#ifdef	MCA
-#define	IMASK_FAST	(IS_PLINT1 | IS_PLINT2 | IS_TIMINT | IS_TOKEN | \
-			 IS_CHCK_L | IS_BUSERR)
-#endif
-
 #ifdef PCI
 #define	IMASK_FAST	(IS_PLINT1 | IS_PLINT2 | IS_TIMINT | IS_TOKEN | \
 			 IS_MINTR2 | IS_MINTR3 | IS_R1_P | \

drivers/net/skfp/h/targethw.h

@@ -53,11 +53,6 @@ struct	s_oem_ids {
 	u_char 	oi_sub_id[4] ;		/* sub id bytes, representation as */
 					/* defined by hardware,		*/
 #endif
-#ifdef ISA
-	u_char	oi_logo_len ;		/* the length of the adapter logo */	
-	u_char	oi_logo[6] ;		/* the adapter logo		*/
-	u_char	oi_reserved1 ;
-#endif	/* ISA */
 } ;
 #endif	/* MULT_OEM */
 
@@ -70,43 +65,17 @@ struct s_smt_hw {
 	short	dma ;			/* DMA channel */
 	short	irq ;			/* IRQ level */
 	short	eprom ;			/* FLASH prom */
-#ifndef	PCI
-	short	DmaWriteExtraBytes ;	/* add bytes for DMA write */
-#endif
 
 #ifndef SYNC
 	u_short	n_a_send ;		/* pending send requests */
 #endif
 
-#if	(defined(EISA) || defined(MCA) || defined(PCI))
+#if	defined(PCI)
 	short	slot ;			/* slot number */
 	short   max_slots ;		/* maximum number of slots */
-#endif
-
-#if	(defined(PCI) || defined(MCA))
 	short	wdog_used ;		/* TRUE if the watch dog is used */
 #endif
 
-#ifdef	MCA
-	short	slot_32 ;		/* 32bit slot (1) or 16bit slot (0) */
-	short	rev ;			/* Board revision (FMx_REV). */
-	short	VFullRead ;		/* V_full value for DMA read */
-	short	VFullWrite ;		/* V_full value for DMA write */
-#endif
-
-#ifdef	EISA
-	short	led ;			/* LED for FE card */
-
-	short	dma_rmode ;		/* read mode */
-	short	dma_wmode ;		/* write mode */
-	short	dma_emode ;		/* extend mode */
-
-	/* DMA controller channel dependent io addresses */
-	u_short dma_base_word_count ;
-	u_short dma_base_address ;
-	u_short dma_base_address_page ;
-#endif
-
 #ifdef	PCI
 	u_short	pci_handle ;		/* handle to access the BIOS func */
 	u_long	is_imask ;		/* int maske for the int source reg */

drivers/net/skfp/hwt.c

@@ -77,25 +77,10 @@ void hwt_start(struct s_smc *smc, u_long time)
 	 */
 	if (!cnt)
 		cnt++ ;
-#ifndef	PCI
-	/*
-	 * 6.25MHz -> CLK0 : T0 (cnt0 = 16us)	-> OUT0
-	 *    OUT0 -> CLK1 : T1 (cnt1)	OUT1	-> ISRA(IS_TIMINT)
-	 */
-	OUT_82c54_TIMER(3,1<<6 | 3<<4 | 0<<1) ;	/* counter 1, mode 0 */
-	OUT_82c54_TIMER(1,cnt & 0xff) ;		/* LSB */
-	OUT_82c54_TIMER(1,(cnt>>8) & 0xff) ;	/* MSB */
-	/*
-	 * start timer by switching counter 0 to mode 3
-	 *	T0 resolution 16 us (CLK0=0.16us)
-	 */
-	OUT_82c54_TIMER(3,0<<6 | 3<<4 | 3<<1) ;	/* counter 0, mode 3 */
-	OUT_82c54_TIMER(0,100) ;		/* LSB */
-	OUT_82c54_TIMER(0,0) ;			/* MSB */
-#else	/* PCI */
+
 	outpd(ADDR(B2_TI_INI), (u_long) cnt * 200) ;	/* Load timer value. */
 	outpw(ADDR(B2_TI_CRTL), TIM_START) ;		/* Start timer. */
-#endif	/* PCI */
+
 	smc->hw.timer_activ = TRUE ;
 }
 
@@ -115,15 +100,8 @@ void hwt_start(struct s_smc *smc, u_long time)
  ************************/
 void hwt_stop(struct s_smc *smc)
 {
-#ifndef PCI
-	/* stop counter 0 by switching to mode 0 */
-	OUT_82c54_TIMER(3,0<<6 | 3<<4 | 0<<1) ;	/* counter 0, mode 0 */
-	OUT_82c54_TIMER(0,0) ;			/* LSB */
-	OUT_82c54_TIMER(0,0) ;			/* MSB */
-#else	/* PCI */
 	outpw(ADDR(B2_TI_CRTL), TIM_STOP) ;
 	outpw(ADDR(B2_TI_CRTL), TIM_CL_IRQ) ;
-#endif	/* PCI */
 
 	smc->hw.timer_activ = FALSE ;
 }
@@ -168,11 +146,6 @@ void hwt_init(struct s_smc *smc)
 void hwt_restart(struct s_smc *smc)
 {
 	hwt_stop(smc) ;
-#ifndef	PCI
-	OUT_82c54_TIMER(3,1<<6 | 3<<4 | 0<<1) ;	/* counter 1, mode 0 */
-	OUT_82c54_TIMER(1,1 ) ;			/* LSB */
-	OUT_82c54_TIMER(1,0 ) ;			/* MSB */
-#endif
 }
 
 /************************
@@ -191,21 +164,12 @@ void hwt_restart(struct s_smc *smc)
 u_long hwt_read(struct s_smc *smc)
 {
 	u_short	tr ;
-#ifndef	PCI
-	u_short	is ;
-#else
 	u_long	is ;
-#endif
 
 	if (smc->hw.timer_activ) {
 		hwt_stop(smc) ;
-#ifndef	PCI
-		OUT_82c54_TIMER(3,1<<6) ;	/* latch command */
-		tr = IN_82c54_TIMER(1) & 0xff ;
-		tr += (IN_82c54_TIMER(1) & 0xff)<<8 ;
-#else	/* PCI */
 		tr = (u_short)((inpd(ADDR(B2_TI_VAL))/200) & 0xffff) ;
-#endif	/* PCI */
+
 		is = GET_ISR() ;
 		/* Check if timer expired (or wraparound). */
 		if ((tr > smc->hw.t_start) || (is & IS_TIMINT)) {