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提交 b2b2d606 编写于 作者: P Paul Bolle 提交者： Greg Kroah-Hartman
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tty: serial: crisv10: Drop remaining code for CRISv10 CPU simulator 

The Kconfig symbol SVINTO_SIM got dropped in commit e269a869 ("Drop
code for CRISv10 CPU simulator"). Now drop the remaining code for that
simulator.
Signed-off-by: NPaul Bolle <pebolle@tiscali.nl>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
上级 86a41c46
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Showing with 0 addition and 112 deletion
drivers/tty/serial/crisv10.c
浏览文件 @ b2b2d606
......@@ -286,7 +286,6 @@ static struct e100_serial rs_table[] = {
#endif
}, /* ttyS0 */
#ifndef CONFIG_SVINTO_SIM
{ .baud = DEF_BAUD,
.ioport = (unsigned char *)R_SERIAL1_CTRL,
.irq = 1U << 16, /* uses DMA 8 and 9 */
......@@ -447,7 +446,6 @@ static struct e100_serial rs_table[] = {
.dma_in_enabled = 0
#endif
} /* ttyS3 */
#endif
};
......@@ -1035,7 +1033,6 @@ cflag_to_etrax_baud(unsigned int cflag)
static inline void
e100_dtr(struct e100_serial *info, int set)
{
#ifndef CONFIG_SVINTO_SIM
unsigned char mask = e100_modem_pins[info->line].dtr_mask;
#ifdef SERIAL_DEBUG_IO
......@@ -1060,7 +1057,6 @@ e100_dtr(struct e100_serial *info, int set)
info->line, *e100_modem_pins[info->line].dtr_shadow,
E100_DTR_GET(info));
#endif
#endif
}
/* set = 0 means 3.3V on the pin, bitvalue: 0=active, 1=inactive
......@@ -1069,7 +1065,6 @@ e100_dtr(struct e100_serial *info, int set)
static inline void
e100_rts(struct e100_serial *info, int set)
{
#ifndef CONFIG_SVINTO_SIM
unsigned long flags;
local_irq_save(flags);
info->rx_ctrl &= ~E100_RTS_MASK;
......@@ -1079,7 +1074,6 @@ e100_rts(struct e100_serial *info, int set)
#ifdef SERIAL_DEBUG_IO
printk("ser%i rts %i\n", info->line, set);
#endif
#endif
}
......@@ -1087,7 +1081,6 @@ e100_rts(struct e100_serial *info, int set)
static inline void
e100_ri_out(struct e100_serial *info, int set)
{
#ifndef CONFIG_SVINTO_SIM
/* RI is active low */
{
unsigned char mask = e100_modem_pins[info->line].ri_mask;
......@@ -1099,12 +1092,10 @@ e100_ri_out(struct e100_serial *info, int set)
*e100_modem_pins[info->line].ri_port = *e100_modem_pins[info->line].ri_shadow;
local_irq_restore(flags);
}
#endif
}
static inline void
e100_cd_out(struct e100_serial *info, int set)
{
#ifndef CONFIG_SVINTO_SIM
/* CD is active low */
{
unsigned char mask = e100_modem_pins[info->line].cd_mask;
......@@ -1116,27 +1107,22 @@ e100_cd_out(struct e100_serial *info, int set)
*e100_modem_pins[info->line].cd_port = *e100_modem_pins[info->line].cd_shadow;
local_irq_restore(flags);
}
#endif
}
static inline void
e100_disable_rx(struct e100_serial *info)
{
#ifndef CONFIG_SVINTO_SIM
/* disable the receiver */
info->ioport[REG_REC_CTRL] =
(info->rx_ctrl &= ~IO_MASK(R_SERIAL0_REC_CTRL, rec_enable));
#endif
}
static inline void
e100_enable_rx(struct e100_serial *info)
{
#ifndef CONFIG_SVINTO_SIM
/* enable the receiver */
info->ioport[REG_REC_CTRL] =
(info->rx_ctrl |= IO_MASK(R_SERIAL0_REC_CTRL, rec_enable));
#endif
}
/* the rx DMA uses both the dma_descr and the dma_eop interrupts */
......@@ -1554,24 +1540,6 @@ transmit_chars_dma(struct e100_serial *info)
unsigned int c, sentl;
struct etrax_dma_descr *descr;
#ifdef CONFIG_SVINTO_SIM
/* This will output too little if tail is not 0 always since
* we don't reloop to send the other part. Anyway this SHOULD be a
* no-op - transmit_chars_dma would never really be called during sim
* since rs_write does not write into the xmit buffer then.
*/
if (info->xmit.tail)
printk("Error in serial.c:transmit_chars-dma(), tail!=0\n");
if (info->xmit.head != info->xmit.tail) {
SIMCOUT(info->xmit.buf + info->xmit.tail,
CIRC_CNT(info->xmit.head,
info->xmit.tail,
SERIAL_XMIT_SIZE));
info->xmit.head = info->xmit.tail; /* move back head */
info->tr_running = 0;
}
return;
#endif
/* acknowledge both dma_descr and dma_eop irq in R_DMA_CHx_CLR_INTR */
*info->oclrintradr =
IO_STATE(R_DMA_CH6_CLR_INTR, clr_descr, do) |
......@@ -1842,13 +1810,6 @@ static void receive_chars_dma(struct e100_serial *info)
struct tty_struct *tty;
unsigned char rstat;
#ifdef CONFIG_SVINTO_SIM
/* No receive in the simulator. Will probably be when the rest of
* the serial interface works, and this piece will just be removed.
*/
return;
#endif
/* Acknowledge both dma_descr and dma_eop irq in R_DMA_CHx_CLR_INTR */
*info->iclrintradr =
IO_STATE(R_DMA_CH6_CLR_INTR, clr_descr, do) |
......@@ -1934,12 +1895,6 @@ static int start_recv_dma(struct e100_serial *info)
static void
start_receive(struct e100_serial *info)
{
#ifdef CONFIG_SVINTO_SIM
/* No receive in the simulator. Will probably be when the rest of
* the serial interface works, and this piece will just be removed.
*/
return;
#endif
if (info->uses_dma_in) {
/* reset the input dma channel to be sure it works */
......@@ -1972,17 +1927,6 @@ tr_interrupt(int irq, void *dev_id)
int i;
int handled = 0;
#ifdef CONFIG_SVINTO_SIM
/* No receive in the simulator. Will probably be when the rest of
* the serial interface works, and this piece will just be removed.
*/
{
const char *s = "What? tr_interrupt in simulator??\n";
SIMCOUT(s,strlen(s));
}
return IRQ_HANDLED;
#endif
/* find out the line that caused this irq and get it from rs_table */
ireg = *R_IRQ_MASK2_RD; /* get the active irq bits for the dma channels */
......@@ -2021,17 +1965,6 @@ rec_interrupt(int irq, void *dev_id)
int i;
int handled = 0;
#ifdef CONFIG_SVINTO_SIM
/* No receive in the simulator. Will probably be when the rest of
* the serial interface works, and this piece will just be removed.
*/
{
const char *s = "What? rec_interrupt in simulator??\n";
SIMCOUT(s,strlen(s));
}
return IRQ_HANDLED;
#endif
/* find out the line that caused this irq and get it from rs_table */
ireg = *R_IRQ_MASK2_RD; /* get the active irq bits for the dma channels */
......@@ -2173,10 +2106,6 @@ timed_flush_handler(unsigned long ptr)
struct e100_serial *info;
int i;
#ifdef CONFIG_SVINTO_SIM
return;
#endif
for (i = 0; i < NR_PORTS; i++) {
info = rs_table + i;
if (info->uses_dma_in)
......@@ -2729,25 +2658,6 @@ startup(struct e100_serial * info)
printk("starting up ttyS%d (xmit_buf 0x%p)...\n", info->line, info->xmit.buf);
#endif
#ifdef CONFIG_SVINTO_SIM
/* Bits and pieces collected from below. Better to have them
in one ifdef:ed clause than to mix in a lot of ifdefs,
right? */
if (info->port.tty)
clear_bit(TTY_IO_ERROR, &info->port.tty->flags);
info->xmit.head = info->xmit.tail = 0;
info->first_recv_buffer = info->last_recv_buffer = NULL;
info->recv_cnt = info->max_recv_cnt = 0;
for (i = 0; i < SERIAL_RECV_DESCRIPTORS; i++)
info->rec_descr[i].buf = NULL;
/* No real action in the simulator, but may set info important
to ioctl. */
change_speed(info);
#else
/*
* Clear the FIFO buffers and disable them
* (they will be reenabled in change_speed())
......@@ -2837,8 +2747,6 @@ startup(struct e100_serial * info)
e100_rts(info, 1);
e100_dtr(info, 1);
#endif /* CONFIG_SVINTO_SIM */
info->port.flags |= ASYNC_INITIALIZED;
local_irq_restore(flags);
......@@ -2857,7 +2765,6 @@ shutdown(struct e100_serial * info)
struct etrax_recv_buffer *buffer;
int i;
#ifndef CONFIG_SVINTO_SIM
/* shut down the transmitter and receiver */
DFLOW(DEBUG_LOG(info->line, "shutdown %i\n", info->line));
e100_disable_rx(info);
......@@ -2882,8 +2789,6 @@ shutdown(struct e100_serial * info)
info->tr_running = 0;
}
#endif /* CONFIG_SVINTO_SIM */
if (!(info->port.flags & ASYNC_INITIALIZED))
return;
......@@ -2995,17 +2900,12 @@ change_speed(struct e100_serial *info)
IO_STATE(R_ALT_SER_BAUDRATE, ser0_tr, normal);
r_alt_ser_baudrate_shadow &= ~mask;
r_alt_ser_baudrate_shadow |= (alt_source << (info->line*8));
#ifndef CONFIG_SVINTO_SIM
*R_ALT_SER_BAUDRATE = r_alt_ser_baudrate_shadow;
#endif /* CONFIG_SVINTO_SIM */
info->baud = cflag_to_baud(cflag);
#ifndef CONFIG_SVINTO_SIM
info->ioport[REG_BAUD] = cflag_to_etrax_baud(cflag);
#endif /* CONFIG_SVINTO_SIM */
}
#ifndef CONFIG_SVINTO_SIM
/* start with default settings and then fill in changes */
local_irq_save(flags);
/* 8 bit, no/even parity */
......@@ -3073,7 +2973,6 @@ change_speed(struct e100_serial *info)
*((unsigned long *)&info->ioport[REG_XOFF]) = xoff;
local_irq_restore(flags);
#endif /* !CONFIG_SVINTO_SIM */
update_char_time(info);
......@@ -3122,11 +3021,6 @@ static int rs_raw_write(struct tty_struct *tty,
count, info->ioport[REG_STATUS]);
#endif
#ifdef CONFIG_SVINTO_SIM
/* Really simple. The output is here and now. */
SIMCOUT(buf, count);
return count;
#endif
local_save_flags(flags);
DFLOW(DEBUG_LOG(info->line, "write count %i ", count));
DFLOW(DEBUG_LOG(info->line, "ldisc %i\n", tty->ldisc.chars_in_buffer(tty)));
......@@ -3463,7 +3357,6 @@ static int
get_lsr_info(struct e100_serial * info, unsigned int *value)
{
unsigned int result = TIOCSER_TEMT;
#ifndef CONFIG_SVINTO_SIM
unsigned long curr_time = jiffies;
unsigned long curr_time_usec = GET_JIFFIES_USEC();
unsigned long elapsed_usec =
......@@ -3474,7 +3367,6 @@ get_lsr_info(struct e100_serial * info, unsigned int *value)
elapsed_usec < 2*info->char_time_usec) {
result = 0;
}
#endif
if (copy_to_user(value, &result, sizeof(int)))
return -EFAULT;
......@@ -3804,7 +3696,6 @@ rs_close(struct tty_struct *tty, struct file * filp)
e100_disable_serial_data_irq(info);
#endif
#ifndef CONFIG_SVINTO_SIM
e100_disable_rx(info);
e100_disable_rx_irq(info);
......@@ -3816,7 +3707,6 @@ rs_close(struct tty_struct *tty, struct file * filp)
*/
rs_wait_until_sent(tty, HZ);
}
#endif
shutdown(info);
rs_flush_buffer(tty);
......@@ -4479,7 +4369,6 @@ static int __init rs_init(void)
fast_timer_init();
#endif
#ifndef CONFIG_SVINTO_SIM
#ifndef CONFIG_ETRAX_KGDB
/* Not needed in simulator. May only complicate stuff. */
/* hook the irq's for DMA channel 6 and 7, serial output and input, and some more... */
......@@ -4489,7 +4378,6 @@ static int __init rs_init(void)
panic("%s: Failed to request irq8", __func__);
#endif
#endif /* CONFIG_SVINTO_SIM */
return 0;
}
......
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