serial: sh-sci: Kill off all of the SCI/SCIF special casing.

This was added at a time when the compiler did a less than stellar job of
optimizing out dead code. These days this tends to be less of a concern,
so kill it all off.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

2 files changed, 16 insertions, 83 deletions

diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 3b9d2d83b590..6a5132f84036 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -250,8 +250,7 @@ static inline void h8300_sci_disable(struct uart_port *port)
 }
 #endif
 
-#if defined(SCI_ONLY) || defined(SCI_AND_SCIF) && \
-    defined(__H8300H__) || defined(__H8300S__)
+#if defined(__H8300H__) || defined(__H8300S__)
 static void sci_init_pins_sci(struct uart_port* port, unsigned int cflag)
 {
         int ch = (port->mapbase - SMR0) >> 3;
@@ -285,11 +284,6 @@ static void sci_init_pins_irda(struct uart_port *port, unsigned int cflag)
 #define sci_init_pins_irda NULL
 #endif
 
-#ifdef SCI_ONLY
-#define sci_init_pins_scif NULL
-#endif
-
-#if defined(SCIF_ONLY) || defined(SCI_AND_SCIF)
 #if defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712)
 static void sci_init_pins_scif(struct uart_port* port, unsigned int cflag)
 {
@@ -449,7 +443,6 @@ static inline int scif_rxroom(struct uart_port *port)
         return sci_in(port, SCFDR) & SCIF_RFDC_MASK;
 }
 #endif
-#endif /* SCIF_ONLY || SCI_AND_SCIF */
 
 static inline int sci_txroom(struct uart_port *port)
 {
@@ -485,11 +478,9 @@ static void sci_transmit_chars(struct uart_port *port)
                 return;
         }
 
-#ifndef SCI_ONLY
         if (port->type == PORT_SCIF)
                 count = scif_txroom(port);
         else
-#endif
                 count = sci_txroom(port);
 
         do {
@@ -519,12 +510,10 @@ static void sci_transmit_chars(struct uart_port *port)
         } else {
                 ctrl = sci_in(port, SCSCR);
 
-#if !defined(SCI_ONLY)
                 if (port->type == PORT_SCIF) {
                         sci_in(port, SCxSR); /* Dummy read */
                         sci_out(port, SCxSR, SCxSR_TDxE_CLEAR(port));
                 }
-#endif
 
                 ctrl |= SCI_CTRL_FLAGS_TIE;
                 sci_out(port, SCSCR, ctrl);
@@ -547,11 +536,9 @@ static inline void sci_receive_chars(struct uart_port *port)
                 return;
 
         while (1) {
-#if !defined(SCI_ONLY)
                 if (port->type == PORT_SCIF)
                         count = scif_rxroom(port);
                 else
-#endif
                         count = sci_rxroom(port);
 
                 /* Don't copy more bytes than there is room for in the buffer */
@@ -1054,10 +1041,8 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
 
         sci_out(port, SCSCR, 0x00);     /* TE=0, RE=0, CKE1=0 */
 
-#if !defined(SCI_ONLY)
         if (port->type == PORT_SCIF)
                 sci_out(port, SCFCR, SCFCR_RFRST | SCFCR_TFRST);
-#endif
 
         smr_val = sci_in(port, SCSMR) & 3;
         if ((termios->c_cflag & CSIZE) == CS7)
diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h
index 511c10d42187..43c09a862213 100644
--- a/drivers/serial/sh-sci.h
+++ b/drivers/serial/sh-sci.h
@@ -16,7 +16,6 @@
 # define SCPCR  0xA4000116 /* 16 bit SCI and SCIF */
 # define SCPDR  0xA4000136 /* 8  bit SCI and SCIF */
 # define SCSCR_INIT(port)          0x30 /* TIE=0,RIE=0,TE=1,RE=1 */
-# define SCI_AND_SCIF
 #elif defined(CONFIG_CPU_SUBTYPE_SH7705)
 # define SCIF0          0xA4400000
 # define SCIF2          0xA4410000
@@ -30,17 +29,14 @@
  * SCIF0 (0xA4400000) -> Internal clock, SCK pin as serial clock output
  */
 # define SCSCR_INIT(port) (port->mapbase == SCIF2) ? 0xF3 : 0xF0
-# define SCIF_ONLY
 #elif defined(CONFIG_CPU_SUBTYPE_SH7720) || \
       defined(CONFIG_CPU_SUBTYPE_SH7721)
 # define SCSCR_INIT(port)  0x0030 /* TIE=0,RIE=0,TE=1,RE=1 */
-# define SCIF_ONLY
 #define SCIF_ORER    0x0200   /* overrun error bit */
 #elif defined(CONFIG_SH_RTS7751R2D)
 # define SCSPTR2 0xFFE80020 /* 16 bit SCIF */
 # define SCIF_ORER 0x0001   /* overrun error bit */
 # define SCSCR_INIT(port) 0x3a /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
-# define SCIF_ONLY
 #elif defined(CONFIG_CPU_SUBTYPE_SH7750)  || \
       defined(CONFIG_CPU_SUBTYPE_SH7750R) || \
       defined(CONFIG_CPU_SUBTYPE_SH7750S) || \
@@ -53,28 +49,24 @@
 # define SCSCR_INIT(port) (((port)->type == PORT_SCI) ? \
         0x30 /* TIE=0,RIE=0,TE=1,RE=1 */ : \
         0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */ )
-# define SCI_AND_SCIF
 #elif defined(CONFIG_CPU_SUBTYPE_SH7760)
 # define SCSPTR0 0xfe600024 /* 16 bit SCIF */
 # define SCSPTR1 0xfe610024 /* 16 bit SCIF */
 # define SCSPTR2 0xfe620024 /* 16 bit SCIF */
 # define SCIF_ORER 0x0001  /* overrun error bit */
 # define SCSCR_INIT(port)          0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
-# define SCIF_ONLY
 #elif defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712)
 # define SCSPTR0 0xA4400000       /* 16 bit SCIF */
 # define SCIF_ORER 0x0001   /* overrun error bit */
 # define PACR 0xa4050100
 # define PBCR 0xa4050102
 # define SCSCR_INIT(port)          0x3B
-# define SCIF_ONLY
 #elif defined(CONFIG_CPU_SUBTYPE_SH7343)
 # define SCSPTR0 0xffe00010     /* 16 bit SCIF */
 # define SCSPTR1 0xffe10010     /* 16 bit SCIF */
 # define SCSPTR2 0xffe20010     /* 16 bit SCIF */
 # define SCSPTR3 0xffe30010     /* 16 bit SCIF */
 # define SCSCR_INIT(port) 0x32  /* TIE=0,RIE=0,TE=1,RE=1,REIE=0,CKE=1 */
-# define SCIF_ONLY
 #elif defined(CONFIG_CPU_SUBTYPE_SH7722)
 # define PADR                   0xA4050120
 # define PSDR                   0xA405013e
@@ -82,7 +74,6 @@
 # define PSCR                   0xA405011E
 # define SCIF_ORER              0x0001  /* overrun error bit */
 # define SCSCR_INIT(port)       0x0038  /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
-# define SCIF_ONLY
 #elif defined(CONFIG_CPU_SUBTYPE_SH7366)
 # define SCPDR0                 0xA405013E      /* 16 bit SCIF0 PSDR */
 # define SCSPTR0                SCPDR0
@@ -97,12 +88,10 @@
 # define SCSPTR5                0xa4050128
 # define SCIF_ORER              0x0001  /* overrun error bit */
 # define SCSCR_INIT(port)       0x0038  /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
-# define SCIF_ONLY
 #elif defined(CONFIG_CPU_SUBTYPE_SH4_202)
 # define SCSPTR2 0xffe80020 /* 16 bit SCIF */
 # define SCIF_ORER 0x0001   /* overrun error bit */
 # define SCSCR_INIT(port) 0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
-# define SCIF_ONLY
 #elif defined(CONFIG_CPU_SUBTYPE_SH5_101) || defined(CONFIG_CPU_SUBTYPE_SH5_103)
 # define SCIF_BASE_ADDR    0x01030000
 # define SCIF_ADDR_SH5     PHYS_PERIPHERAL_BLOCK+SCIF_BASE_ADDR
@@ -111,14 +100,11 @@
 # define SCSPTR2           ((port->mapbase)+SCIF_PTR2_OFFS) /* 16 bit SCIF */
 # define SCLSR2            ((port->mapbase)+SCIF_LSR2_OFFS) /* 16 bit SCIF */
 # define SCSCR_INIT(port)  0x38         /* TIE=0,RIE=0, TE=1,RE=1,REIE=1 */
-# define SCIF_ONLY
 #elif defined(CONFIG_H83007) || defined(CONFIG_H83068)
 # define SCSCR_INIT(port)          0x30 /* TIE=0,RIE=0,TE=1,RE=1 */
-# define SCI_ONLY
 # define H8300_SCI_DR(ch) *(volatile char *)(P1DR + h8300_sci_pins[ch].port)
 #elif defined(CONFIG_H8S2678)
 # define SCSCR_INIT(port)          0x30 /* TIE=0,RIE=0,TE=1,RE=1 */
-# define SCI_ONLY
 # define H8300_SCI_DR(ch) *(volatile char *)(P1DR + h8300_sci_pins[ch].port)
 #elif defined(CONFIG_CPU_SUBTYPE_SH7763)
 # define SCSPTR0 0xffe00024 /* 16 bit SCIF */
@@ -126,20 +112,17 @@
 # define SCSPTR2 0xffe10020 /* 16 bit SCIF/IRDA */
 # define SCIF_ORER 0x0001  /* overrun error bit */
 # define SCSCR_INIT(port)       0x38    /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
-# define SCIF_ONLY
 #elif defined(CONFIG_CPU_SUBTYPE_SH7770)
 # define SCSPTR0 0xff923020 /* 16 bit SCIF */
 # define SCSPTR1 0xff924020 /* 16 bit SCIF */
 # define SCSPTR2 0xff925020 /* 16 bit SCIF */
 # define SCIF_ORER 0x0001  /* overrun error bit */
 # define SCSCR_INIT(port)       0x3c /* TIE=0,RIE=0,TE=1,RE=1,REIE=1,cke=2 */
-# define SCIF_ONLY
 #elif defined(CONFIG_CPU_SUBTYPE_SH7780)
 # define SCSPTR0        0xffe00024      /* 16 bit SCIF */
 # define SCSPTR1        0xffe10024      /* 16 bit SCIF */
 # define SCIF_ORER      0x0001          /* Overrun error bit */
 # define SCSCR_INIT(port)       0x3a    /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
-# define SCIF_ONLY
 #elif defined(CONFIG_CPU_SUBTYPE_SH7785)
 # define SCSPTR0        0xffea0024      /* 16 bit SCIF */
 # define SCSPTR1        0xffeb0024      /* 16 bit SCIF */
@@ -149,7 +132,6 @@
 # define SCSPTR5        0xffef0024      /* 16 bit SCIF */
 # define SCIF_OPER      0x0001          /* Overrun error bit */
 # define SCSCR_INIT(port)       0x3a    /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
-# define SCIF_ONLY
 #elif defined(CONFIG_CPU_SUBTYPE_SH7203) || \
       defined(CONFIG_CPU_SUBTYPE_SH7206) || \
       defined(CONFIG_CPU_SUBTYPE_SH7263)
@@ -158,14 +140,12 @@
 # define SCSPTR2 0xfffe9020 /* 16 bit SCIF */
 # define SCSPTR3 0xfffe9820 /* 16 bit SCIF */
 # define SCSCR_INIT(port)       0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
-# define SCIF_ONLY
 #elif defined(CONFIG_CPU_SUBTYPE_SH7619)
 # define SCSPTR0 0xf8400020 /* 16 bit SCIF */
 # define SCSPTR1 0xf8410020 /* 16 bit SCIF */
 # define SCSPTR2 0xf8420020 /* 16 bit SCIF */
 # define SCIF_ORER 0x0001  /* overrun error bit */
 # define SCSCR_INIT(port)       0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
-# define SCIF_ONLY
 #elif defined(CONFIG_CPU_SUBTYPE_SHX3)
 # define SCSPTR0 0xffc30020             /* 16 bit SCIF */
 # define SCSPTR1 0xffc40020             /* 16 bit SCIF */
@@ -173,7 +153,6 @@
 # define SCSPTR3 0xffc60020             /* 16 bit SCIF */
 # define SCIF_ORER 0x0001               /* Overrun error bit */
 # define SCSCR_INIT(port)       0x38    /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
-# define SCIF_ONLY
 #else
 # error CPU subtype not defined
 #endif
@@ -244,55 +223,28 @@
 # define SCIF_TXROOM_MAX 16
 #endif
 
-#if defined(SCI_ONLY)
-# define SCxSR_TEND(port)               SCI_TEND
-# define SCxSR_ERRORS(port)             SCI_ERRORS
-# define SCxSR_RDxF(port)               SCI_RDRF
-# define SCxSR_TDxE(port)               SCI_TDRE
-# define SCxSR_ORER(port)               SCI_ORER
-# define SCxSR_FER(port)                SCI_FER
-# define SCxSR_PER(port)                SCI_PER
-# define SCxSR_BRK(port)                0x00
-# define SCxSR_RDxF_CLEAR(port)         0xbc
-# define SCxSR_ERROR_CLEAR(port)        0xc4
-# define SCxSR_TDxE_CLEAR(port)         0x78
-# define SCxSR_BREAK_CLEAR(port)        0xc4
-#elif defined(SCIF_ONLY)
-# define SCxSR_TEND(port)               SCIF_TEND
-# define SCxSR_ERRORS(port)             SCIF_ERRORS
-# define SCxSR_RDxF(port)               SCIF_RDF
-# define SCxSR_TDxE(port)               SCIF_TDFE
+#define SCxSR_TEND(port)        (((port)->type == PORT_SCI) ? SCI_TEND   : SCIF_TEND)
+#define SCxSR_ERRORS(port)      (((port)->type == PORT_SCI) ? SCI_ERRORS : SCIF_ERRORS)
+#define SCxSR_RDxF(port)        (((port)->type == PORT_SCI) ? SCI_RDRF   : SCIF_RDF)
+#define SCxSR_TDxE(port)        (((port)->type == PORT_SCI) ? SCI_TDRE   : SCIF_TDFE)
+#define SCxSR_FER(port)         (((port)->type == PORT_SCI) ? SCI_FER    : SCIF_FER)
+#define SCxSR_PER(port)         (((port)->type == PORT_SCI) ? SCI_PER    : SCIF_PER)
+#define SCxSR_BRK(port)         (((port)->type == PORT_SCI) ? 0x00       : SCIF_BRK)
+
 #if defined(CONFIG_CPU_SUBTYPE_SH7705)
-# define SCxSR_ORER(port)               SCIF_ORER
+# define SCxSR_ORER(port)       (((port)->type == PORT_SCI) ? SCI_ORER : SCIF_ORER)
 #else
-# define SCxSR_ORER(port)               0x0000
+# define SCxSR_ORER(port)       (((port)->type == PORT_SCI) ? SCI_ORER : 0x0000)
 #endif
-# define SCxSR_FER(port)                SCIF_FER
-# define SCxSR_PER(port)                SCIF_PER
-# define SCxSR_BRK(port)                SCIF_BRK
+
 #if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
     defined(CONFIG_CPU_SUBTYPE_SH7720) || \
     defined(CONFIG_CPU_SUBTYPE_SH7721)
-# define SCxSR_RDxF_CLEAR(port)         (sci_in(port,SCxSR)&0xfffc)
-# define SCxSR_ERROR_CLEAR(port)        (sci_in(port,SCxSR)&0xfd73)
-# define SCxSR_TDxE_CLEAR(port)         (sci_in(port,SCxSR)&0xffdf)
-# define SCxSR_BREAK_CLEAR(port)        (sci_in(port,SCxSR)&0xffe3)
-#else
-/* SH7705 can also use this, clearing is same between 7705 and 7709 */
-# define SCxSR_RDxF_CLEAR(port)         0x00fc
-# define SCxSR_ERROR_CLEAR(port)        0x0073
-# define SCxSR_TDxE_CLEAR(port)         0x00df
-# define SCxSR_BREAK_CLEAR(port)        0x00e3
-#endif
+# define SCxSR_RDxF_CLEAR(port)  (sci_in(port, SCxSR) & 0xfffc)
+# define SCxSR_ERROR_CLEAR(port) (sci_in(port, SCxSR) & 0xfd73)
+# define SCxSR_TDxE_CLEAR(port)  (sci_in(port, SCxSR) & 0xffdf)
+# define SCxSR_BREAK_CLEAR(port) (sci_in(port, SCxSR) & 0xffe3)
 #else
-# define SCxSR_TEND(port)        (((port)->type == PORT_SCI) ? SCI_TEND   : SCIF_TEND)
-# define SCxSR_ERRORS(port)      (((port)->type == PORT_SCI) ? SCI_ERRORS : SCIF_ERRORS)
-# define SCxSR_RDxF(port)        (((port)->type == PORT_SCI) ? SCI_RDRF   : SCIF_RDF)
-# define SCxSR_TDxE(port)        (((port)->type == PORT_SCI) ? SCI_TDRE   : SCIF_TDFE)
-# define SCxSR_ORER(port)        (((port)->type == PORT_SCI) ? SCI_ORER   : 0x0000)
-# define SCxSR_FER(port)         (((port)->type == PORT_SCI) ? SCI_FER    : SCIF_FER)
-# define SCxSR_PER(port)         (((port)->type == PORT_SCI) ? SCI_PER    : SCIF_PER)
-# define SCxSR_BRK(port)         (((port)->type == PORT_SCI) ? 0x00       : SCIF_BRK)
 # define SCxSR_RDxF_CLEAR(port)  (((port)->type == PORT_SCI) ? 0xbc : 0x00fc)
 # define SCxSR_ERROR_CLEAR(port) (((port)->type == PORT_SCI) ? 0xc4 : 0x0073)
 # define SCxSR_TDxE_CLEAR(port)  (((port)->type == PORT_SCI) ? 0x78 : 0x00df)
@@ -578,14 +530,10 @@ static inline int sci_rxd_in(struct uart_port *port)
       defined(CONFIG_CPU_SUBTYPE_SH4_202)
 static inline int sci_rxd_in(struct uart_port *port)
 {
-#ifndef SCIF_ONLY
         if (port->mapbase == 0xffe00000)
                 return ctrl_inb(SCSPTR1)&0x01 ? 1 : 0; /* SCI */
-#endif
-#ifndef SCI_ONLY
         if (port->mapbase == 0xffe80000)
                 return ctrl_inw(SCSPTR2)&0x0001 ? 1 : 0; /* SCIF */
-#endif
         return 1;
 }
 #elif defined(CONFIG_CPU_SUBTYPE_SH7760)