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Subject[PATCH 2/4] drivers/tty/serial/crisv10.c: remove dead #ifdef blocks
Date
ETRAX_RS485_{ON_PORT_G, LTC1387} are not defined in Kconfig.  The
affected #ifdef block have not been compiled for years, so remove them
entirely.

Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com>
---
drivers/tty/serial/crisv10.c | 36 ------------------------------------
1 file changed, 36 deletions(-)

diff --git a/drivers/tty/serial/crisv10.c b/drivers/tty/serial/crisv10.c
index 771314d2b7a3..349f95ea4a0f 100644
--- a/drivers/tty/serial/crisv10.c
+++ b/drivers/tty/serial/crisv10.c
@@ -56,10 +56,6 @@ static char *serial_version = "$Revision: 1.25 $";
#error "RX_TIMEOUT_TICKS == 0 not allowed, use 1"
#endif

-#if defined(CONFIG_ETRAX_RS485_ON_PA) && defined(CONFIG_ETRAX_RS485_ON_PORT_G)
-#error "Disable either CONFIG_ETRAX_RS485_ON_PA or CONFIG_ETRAX_RS485_ON_PORT_G"
-#endif
-
/*
* All of the compatibilty code so we can compile serial.c against
* older kernels is hidden in serial_compat.h
@@ -487,9 +483,6 @@ static struct fast_timer fast_timers_rs485[NR_PORTS];
#if defined(CONFIG_ETRAX_RS485_ON_PA)
static int rs485_pa_bit = CONFIG_ETRAX_RS485_ON_PA_BIT;
#endif
-#if defined(CONFIG_ETRAX_RS485_ON_PORT_G)
-static int rs485_port_g_bit = CONFIG_ETRAX_RS485_ON_PORT_G_BIT;
-#endif
#endif

/* Info and macros needed for each ports extra control/status signals. */
@@ -1367,16 +1360,6 @@ e100_enable_rs485(struct tty_struct *tty, struct serial_rs485 *r)
#if defined(CONFIG_ETRAX_RS485_ON_PA)
*R_PORT_PA_DATA = port_pa_data_shadow |= (1 << rs485_pa_bit);
#endif
-#if defined(CONFIG_ETRAX_RS485_ON_PORT_G)
- REG_SHADOW_SET(R_PORT_G_DATA, port_g_data_shadow,
- rs485_port_g_bit, 1);
-#endif
-#if defined(CONFIG_ETRAX_RS485_LTC1387)
- REG_SHADOW_SET(R_PORT_G_DATA, port_g_data_shadow,
- CONFIG_ETRAX_RS485_LTC1387_DXEN_PORT_G_BIT, 1);
- REG_SHADOW_SET(R_PORT_G_DATA, port_g_data_shadow,
- CONFIG_ETRAX_RS485_LTC1387_RXEN_PORT_G_BIT, 1);
-#endif

info->rs485 = *r;

@@ -3712,16 +3695,6 @@ rs_close(struct tty_struct *tty, struct file * filp)
#if defined(CONFIG_ETRAX_RS485_ON_PA)
*R_PORT_PA_DATA = port_pa_data_shadow &= ~(1 << rs485_pa_bit);
#endif
-#if defined(CONFIG_ETRAX_RS485_ON_PORT_G)
- REG_SHADOW_SET(R_PORT_G_DATA, port_g_data_shadow,
- rs485_port_g_bit, 0);
-#endif
-#if defined(CONFIG_ETRAX_RS485_LTC1387)
- REG_SHADOW_SET(R_PORT_G_DATA, port_g_data_shadow,
- CONFIG_ETRAX_RS485_LTC1387_DXEN_PORT_G_BIT, 0);
- REG_SHADOW_SET(R_PORT_G_DATA, port_g_data_shadow,
- CONFIG_ETRAX_RS485_LTC1387_RXEN_PORT_G_BIT, 0);
-#endif
}
#endif

@@ -4250,15 +4223,6 @@ static int __init rs_init(void)
return -EBUSY;
}
#endif
-#if defined(CONFIG_ETRAX_RS485_ON_PORT_G)
- if (cris_io_interface_allocate_pins(if_serial_0, 'g', rs485_pa_bit,
- rs485_port_g_bit)) {
- printk(KERN_ERR "ETRAX100LX serial: Could not allocate "
- "RS485 pin\n");
- put_tty_driver(driver);
- return -EBUSY;
- }
-#endif
#endif

/* Initialize the tty_driver structure */
--
2.1.0


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