Message-Id: <20190809202749.742267-3-arnd@arndb.de>
Date:   Fri,  9 Aug 2019 22:27:30 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     soc@...nel.org
Cc:     Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>, linux-kernel@...r.kernel.org,
        linux-serial@...r.kernel.org
Subject: [PATCH 02/16] serial: remove ks8695 driver

The platform is getting removed, so there are no more users
of this driver.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/tty/serial/Kconfig         |  17 -
 drivers/tty/serial/Makefile        |   1 -
 drivers/tty/serial/serial_ks8695.c | 698 -----------------------------
 include/uapi/linux/serial_core.h   |   3 -
 4 files changed, 719 deletions(-)
 delete mode 100644 drivers/tty/serial/serial_ks8695.c

diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 3083dbae35f7..7041107ea78d 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -197,23 +197,6 @@ config SERIAL_KGDB_NMI
 
 	  If unsure, say N.
 
-config SERIAL_KS8695
-	bool "Micrel KS8695 (Centaur) serial port support"
-	depends on ARCH_KS8695
-	select SERIAL_CORE
-	help
-	  This selects the Micrel Centaur KS8695 UART.  Say Y here.
-
-config SERIAL_KS8695_CONSOLE
-	bool "Support for console on KS8695 (Centaur) serial port"
-	depends on SERIAL_KS8695=y
-	select SERIAL_CORE_CONSOLE
-	help
-	  Say Y here if you wish to use a KS8695 (Centaur) UART as the
-	  system console (the system console is the device which
-	  receives all kernel messages and warnings and which allows
-	  logins in single user mode).
-
 config SERIAL_MESON
 	tristate "Meson serial port support"
 	depends on ARCH_MESON
diff --git a/drivers/tty/serial/Makefile b/drivers/tty/serial/Makefile
index 15a0fccadf7e..7f744136489e 100644
--- a/drivers/tty/serial/Makefile
+++ b/drivers/tty/serial/Makefile
@@ -59,7 +59,6 @@ obj-$(CONFIG_SERIAL_ATMEL) += atmel_serial.o
 obj-$(CONFIG_SERIAL_UARTLITE) += uartlite.o
 obj-$(CONFIG_SERIAL_MSM) += msm_serial.o
 obj-$(CONFIG_SERIAL_QCOM_GENI) += qcom_geni_serial.o
-obj-$(CONFIG_SERIAL_KS8695) += serial_ks8695.o
 obj-$(CONFIG_SERIAL_OMAP) += omap-serial.o
 obj-$(CONFIG_SERIAL_ALTERA_UART) += altera_uart.o
 obj-$(CONFIG_SERIAL_ST_ASC) += st-asc.o
diff --git a/drivers/tty/serial/serial_ks8695.c b/drivers/tty/serial/serial_ks8695.c
deleted file mode 100644
index b461d791188c..000000000000
--- a/drivers/tty/serial/serial_ks8695.c
+++ /dev/null
@@ -1,698 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- *  Driver for KS8695 serial ports
- *
- *  Based on drivers/serial/serial_amba.c, by Kam Lee.
- *
- *  Copyright 2002-2005 Micrel Inc.
- */
-#include <linux/module.h>
-#include <linux/tty.h>
-#include <linux/tty_flip.h>
-#include <linux/ioport.h>
-#include <linux/init.h>
-#include <linux/serial.h>
-#include <linux/console.h>
-#include <linux/sysrq.h>
-#include <linux/device.h>
-
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/mach/irq.h>
-
-#include <mach/regs-uart.h>
-#include <mach/regs-irq.h>
-
-#if defined(CONFIG_SERIAL_KS8695_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
-#define SUPPORT_SYSRQ
-#endif
-
-#include <linux/serial_core.h>
-
-
-#define SERIAL_KS8695_MAJOR	204
-#define SERIAL_KS8695_MINOR	16
-#define SERIAL_KS8695_DEVNAME	"ttyAM"
-
-#define SERIAL_KS8695_NR	1
-
-/*
- * Access macros for the KS8695 UART
- */
-#define UART_GET_CHAR(p)	(__raw_readl((p)->membase + KS8695_URRB) & 0xFF)
-#define UART_PUT_CHAR(p, c)	__raw_writel((c), (p)->membase + KS8695_URTH)
-#define UART_GET_FCR(p)		__raw_readl((p)->membase + KS8695_URFC)
-#define UART_PUT_FCR(p, c)	__raw_writel((c), (p)->membase + KS8695_URFC)
-#define UART_GET_MSR(p)		__raw_readl((p)->membase + KS8695_URMS)
-#define UART_GET_LSR(p)		__raw_readl((p)->membase + KS8695_URLS)
-#define UART_GET_LCR(p)		__raw_readl((p)->membase + KS8695_URLC)
-#define UART_PUT_LCR(p, c)	__raw_writel((c), (p)->membase + KS8695_URLC)
-#define UART_GET_MCR(p)		__raw_readl((p)->membase + KS8695_URMC)
-#define UART_PUT_MCR(p, c)	__raw_writel((c), (p)->membase + KS8695_URMC)
-#define UART_GET_BRDR(p)	__raw_readl((p)->membase + KS8695_URBD)
-#define UART_PUT_BRDR(p, c)	__raw_writel((c), (p)->membase + KS8695_URBD)
-
-#define KS8695_CLR_TX_INT()	__raw_writel(1 << KS8695_IRQ_UART_TX, KS8695_IRQ_VA + KS8695_INTST)
-
-#define UART_DUMMY_LSR_RX	0x100
-#define UART_PORT_SIZE		(KS8695_USR - KS8695_URRB + 4)
-
-static inline int tx_enabled(struct uart_port *port)
-{
-	return port->unused[0] & 1;
-}
-
-static inline int rx_enabled(struct uart_port *port)
-{
-	return port->unused[0] & 2;
-}
-
-static inline int ms_enabled(struct uart_port *port)
-{
-	return port->unused[0] & 4;
-}
-
-static inline void ms_enable(struct uart_port *port, int enabled)
-{
-	if(enabled)
-		port->unused[0] |= 4;
-	else
-		port->unused[0] &= ~4;
-}
-
-static inline void rx_enable(struct uart_port *port, int enabled)
-{
-	if(enabled)
-		port->unused[0] |= 2;
-	else
-		port->unused[0] &= ~2;
-}
-
-static inline void tx_enable(struct uart_port *port, int enabled)
-{
-	if(enabled)
-		port->unused[0] |= 1;
-	else
-		port->unused[0] &= ~1;
-}
-
-
-#ifdef SUPPORT_SYSRQ
-static struct console ks8695_console;
-#endif
-
-static void ks8695uart_stop_tx(struct uart_port *port)
-{
-	if (tx_enabled(port)) {
-		/* use disable_irq_nosync() and not disable_irq() to avoid self
-		 * imposed deadlock by not waiting for irq handler to end,
-		 * since this ks8695uart_stop_tx() is called from interrupt context.
-		 */
-		disable_irq_nosync(KS8695_IRQ_UART_TX);
-		tx_enable(port, 0);
-	}
-}
-
-static void ks8695uart_start_tx(struct uart_port *port)
-{
-	if (!tx_enabled(port)) {
-		enable_irq(KS8695_IRQ_UART_TX);
-		tx_enable(port, 1);
-	}
-}
-
-static void ks8695uart_stop_rx(struct uart_port *port)
-{
-	if (rx_enabled(port)) {
-		disable_irq(KS8695_IRQ_UART_RX);
-		rx_enable(port, 0);
-	}
-}
-
-static void ks8695uart_enable_ms(struct uart_port *port)
-{
-	if (!ms_enabled(port)) {
-		enable_irq(KS8695_IRQ_UART_MODEM_STATUS);
-		ms_enable(port,1);
-	}
-}
-
-static void ks8695uart_disable_ms(struct uart_port *port)
-{
-	if (ms_enabled(port)) {
-		disable_irq(KS8695_IRQ_UART_MODEM_STATUS);
-		ms_enable(port,0);
-	}
-}
-
-static irqreturn_t ks8695uart_rx_chars(int irq, void *dev_id)
-{
-	struct uart_port *port = dev_id;
-	unsigned int status, ch, lsr, flg, max_count = 256;
-
-	status = UART_GET_LSR(port);		/* clears pending LSR interrupts */
-	while ((status & URLS_URDR) && max_count--) {
-		ch = UART_GET_CHAR(port);
-		flg = TTY_NORMAL;
-
-		port->icount.rx++;
-
-		/*
-		 * Note that the error handling code is
-		 * out of the main execution path
-		 */
-		lsr = UART_GET_LSR(port) | UART_DUMMY_LSR_RX;
-		if (unlikely(lsr & (URLS_URBI | URLS_URPE | URLS_URFE | URLS_URROE))) {
-			if (lsr & URLS_URBI) {
-				lsr &= ~(URLS_URFE | URLS_URPE);
-				port->icount.brk++;
-				if (uart_handle_break(port))
-					goto ignore_char;
-			}
-			if (lsr & URLS_URPE)
-				port->icount.parity++;
-			if (lsr & URLS_URFE)
-				port->icount.frame++;
-			if (lsr & URLS_URROE)
-				port->icount.overrun++;
-
-			lsr &= port->read_status_mask;
-
-			if (lsr & URLS_URBI)
-				flg = TTY_BREAK;
-			else if (lsr & URLS_URPE)
-				flg = TTY_PARITY;
-			else if (lsr & URLS_URFE)
-				flg = TTY_FRAME;
-		}
-
-		if (uart_handle_sysrq_char(port, ch))
-			goto ignore_char;
-
-		uart_insert_char(port, lsr, URLS_URROE, ch, flg);
-
-ignore_char:
-		status = UART_GET_LSR(port);
-	}
-	tty_flip_buffer_push(&port->state->port);
-
-	return IRQ_HANDLED;
-}
-
-
-static irqreturn_t ks8695uart_tx_chars(int irq, void *dev_id)
-{
-	struct uart_port *port = dev_id;
-	struct circ_buf *xmit = &port->state->xmit;
-	unsigned int count;
-
-	if (port->x_char) {
-		KS8695_CLR_TX_INT();
-		UART_PUT_CHAR(port, port->x_char);
-		port->icount.tx++;
-		port->x_char = 0;
-		return IRQ_HANDLED;
-	}
-
-	if (uart_tx_stopped(port) || uart_circ_empty(xmit)) {
-		ks8695uart_stop_tx(port);
-		return IRQ_HANDLED;
-	}
-
-	count = 16;	/* fifo size */
-	while (!uart_circ_empty(xmit) && (count-- > 0)) {
-		KS8695_CLR_TX_INT();
-		UART_PUT_CHAR(port, xmit->buf[xmit->tail]);
-
-		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
-		port->icount.tx++;
-	}
-
-	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
-		uart_write_wakeup(port);
-
-	if (uart_circ_empty(xmit))
-		ks8695uart_stop_tx(port);
-
-	return IRQ_HANDLED;
-}
-
-static irqreturn_t ks8695uart_modem_status(int irq, void *dev_id)
-{
-	struct uart_port *port = dev_id;
-	unsigned int status;
-
-	/*
-	 * clear modem interrupt by reading MSR
-	 */
-	status = UART_GET_MSR(port);
-
-	if (status & URMS_URDDCD)
-		uart_handle_dcd_change(port, status & URMS_URDDCD);
-
-	if (status & URMS_URDDST)
-		port->icount.dsr++;
-
-	if (status & URMS_URDCTS)
-		uart_handle_cts_change(port, status & URMS_URDCTS);
-
-	if (status & URMS_URTERI)
-		port->icount.rng++;
-
-	wake_up_interruptible(&port->state->port.delta_msr_wait);
-
-	return IRQ_HANDLED;
-}
-
-static unsigned int ks8695uart_tx_empty(struct uart_port *port)
-{
-	return (UART_GET_LSR(port) & URLS_URTE) ? TIOCSER_TEMT : 0;
-}
-
-static unsigned int ks8695uart_get_mctrl(struct uart_port *port)
-{
-	unsigned int result = 0;
-	unsigned int status;
-
-	status = UART_GET_MSR(port);
-	if (status & URMS_URDCD)
-		result |= TIOCM_CAR;
-	if (status & URMS_URDSR)
-		result |= TIOCM_DSR;
-	if (status & URMS_URCTS)
-		result |= TIOCM_CTS;
-	if (status & URMS_URRI)
-		result |= TIOCM_RI;
-
-	return result;
-}
-
-static void ks8695uart_set_mctrl(struct uart_port *port, u_int mctrl)
-{
-	unsigned int mcr;
-
-	mcr = UART_GET_MCR(port);
-	if (mctrl & TIOCM_RTS)
-		mcr |= URMC_URRTS;
-	else
-		mcr &= ~URMC_URRTS;
-
-	if (mctrl & TIOCM_DTR)
-		mcr |= URMC_URDTR;
-	else
-		mcr &= ~URMC_URDTR;
-
-	UART_PUT_MCR(port, mcr);
-}
-
-static void ks8695uart_break_ctl(struct uart_port *port, int break_state)
-{
-	unsigned int lcr;
-
-	lcr = UART_GET_LCR(port);
-
-	if (break_state == -1)
-		lcr |= URLC_URSBC;
-	else
-		lcr &= ~URLC_URSBC;
-
-	UART_PUT_LCR(port, lcr);
-}
-
-static int ks8695uart_startup(struct uart_port *port)
-{
-	int retval;
-
-	irq_modify_status(KS8695_IRQ_UART_TX, IRQ_NOREQUEST, IRQ_NOAUTOEN);
-	tx_enable(port, 0);
-	rx_enable(port, 1);
-	ms_enable(port, 1);
-
-	/*
-	 * Allocate the IRQ
-	 */
-	retval = request_irq(KS8695_IRQ_UART_TX, ks8695uart_tx_chars, 0, "UART TX", port);
-	if (retval)
-		goto err_tx;
-
-	retval = request_irq(KS8695_IRQ_UART_RX, ks8695uart_rx_chars, 0, "UART RX", port);
-	if (retval)
-		goto err_rx;
-
-	retval = request_irq(KS8695_IRQ_UART_LINE_STATUS, ks8695uart_rx_chars, 0, "UART LineStatus", port);
-	if (retval)
-		goto err_ls;
-
-	retval = request_irq(KS8695_IRQ_UART_MODEM_STATUS, ks8695uart_modem_status, 0, "UART ModemStatus", port);
-	if (retval)
-		goto err_ms;
-
-	return 0;
-
-err_ms:
-	free_irq(KS8695_IRQ_UART_LINE_STATUS, port);
-err_ls:
-	free_irq(KS8695_IRQ_UART_RX, port);
-err_rx:
-	free_irq(KS8695_IRQ_UART_TX, port);
-err_tx:
-	return retval;
-}
-
-static void ks8695uart_shutdown(struct uart_port *port)
-{
-	/*
-	 * Free the interrupt
-	 */
-	free_irq(KS8695_IRQ_UART_RX, port);
-	free_irq(KS8695_IRQ_UART_TX, port);
-	free_irq(KS8695_IRQ_UART_MODEM_STATUS, port);
-	free_irq(KS8695_IRQ_UART_LINE_STATUS, port);
-
-	/* disable break condition and fifos */
-	UART_PUT_LCR(port, UART_GET_LCR(port) & ~URLC_URSBC);
-	UART_PUT_FCR(port, UART_GET_FCR(port) & ~URFC_URFE);
-}
-
-static void ks8695uart_set_termios(struct uart_port *port, struct ktermios *termios, struct ktermios *old)
-{
-	unsigned int lcr, fcr = 0;
-	unsigned long flags;
-	unsigned int baud, quot;
-
-	/*
-	 * Ask the core to calculate the divisor for us.
-	 */
-	baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16);
-	quot = uart_get_divisor(port, baud);
-
-	switch (termios->c_cflag & CSIZE) {
-	case CS5:
-		lcr = URCL_5;
-		break;
-	case CS6:
-		lcr = URCL_6;
-		break;
-	case CS7:
-		lcr = URCL_7;
-		break;
-	default:
-		lcr = URCL_8;
-		break;
-	}
-
-	/* stop bits */
-	if (termios->c_cflag & CSTOPB)
-		lcr |= URLC_URSB;
-
-	/* parity */
-	if (termios->c_cflag & PARENB) {
-		if (termios->c_cflag & CMSPAR) {	/* Mark or Space parity */
-			if (termios->c_cflag & PARODD)
-				lcr |= URPE_MARK;
-			else
-				lcr |= URPE_SPACE;
-		}
-		else if (termios->c_cflag & PARODD)
-			lcr |= URPE_ODD;
-		else
-			lcr |= URPE_EVEN;
-	}
-
-	if (port->fifosize > 1)
-		fcr = URFC_URFRT_8 | URFC_URTFR | URFC_URRFR | URFC_URFE;
-
-	spin_lock_irqsave(&port->lock, flags);
-
-	/*
-	 * Update the per-port timeout.
-	 */
-	uart_update_timeout(port, termios->c_cflag, baud);
-
-	port->read_status_mask = URLS_URROE;
-	if (termios->c_iflag & INPCK)
-		port->read_status_mask |= (URLS_URFE | URLS_URPE);
-	if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK))
-		port->read_status_mask |= URLS_URBI;
-
-	/*
-	 * Characters to ignore
-	 */
-	port->ignore_status_mask = 0;
-	if (termios->c_iflag & IGNPAR)
-		port->ignore_status_mask |= (URLS_URFE | URLS_URPE);
-	if (termios->c_iflag & IGNBRK) {
-		port->ignore_status_mask |= URLS_URBI;
-		/*
-		 * If we're ignoring parity and break indicators,
-		 * ignore overruns too (for real raw support).
-		 */
-		if (termios->c_iflag & IGNPAR)
-			port->ignore_status_mask |= URLS_URROE;
-	}
-
-	/*
-	 * Ignore all characters if CREAD is not set.
-	 */
-	if ((termios->c_cflag & CREAD) == 0)
-		port->ignore_status_mask |= UART_DUMMY_LSR_RX;
-
-	/* first, disable everything */
-	if (UART_ENABLE_MS(port, termios->c_cflag))
-		ks8695uart_enable_ms(port);
-	else
-		ks8695uart_disable_ms(port);
-
-	/* Set baud rate */
-	UART_PUT_BRDR(port, quot);
-
-	UART_PUT_LCR(port, lcr);
-	UART_PUT_FCR(port, fcr);
-
-	spin_unlock_irqrestore(&port->lock, flags);
-}
-
-static const char *ks8695uart_type(struct uart_port *port)
-{
-	return port->type == PORT_KS8695 ? "KS8695" : NULL;
-}
-
-/*
- * Release the memory region(s) being used by 'port'
- */
-static void ks8695uart_release_port(struct uart_port *port)
-{
-	release_mem_region(port->mapbase, UART_PORT_SIZE);
-}
-
-/*
- * Request the memory region(s) being used by 'port'
- */
-static int ks8695uart_request_port(struct uart_port *port)
-{
-	return request_mem_region(port->mapbase, UART_PORT_SIZE,
-			"serial_ks8695") != NULL ? 0 : -EBUSY;
-}
-
-/*
- * Configure/autoconfigure the port.
- */
-static void ks8695uart_config_port(struct uart_port *port, int flags)
-{
-	if (flags & UART_CONFIG_TYPE) {
-		port->type = PORT_KS8695;
-		ks8695uart_request_port(port);
-	}
-}
-
-/*
- * verify the new serial_struct (for TIOCSSERIAL).
- */
-static int ks8695uart_verify_port(struct uart_port *port, struct serial_struct *ser)
-{
-	int ret = 0;
-
-	if (ser->type != PORT_UNKNOWN && ser->type != PORT_KS8695)
-		ret = -EINVAL;
-	if (ser->irq != port->irq)
-		ret = -EINVAL;
-	if (ser->baud_base < 9600)
-		ret = -EINVAL;
-	return ret;
-}
-
-static struct uart_ops ks8695uart_pops = {
-	.tx_empty	= ks8695uart_tx_empty,
-	.set_mctrl	= ks8695uart_set_mctrl,
-	.get_mctrl	= ks8695uart_get_mctrl,
-	.stop_tx	= ks8695uart_stop_tx,
-	.start_tx	= ks8695uart_start_tx,
-	.stop_rx	= ks8695uart_stop_rx,
-	.enable_ms	= ks8695uart_enable_ms,
-	.break_ctl	= ks8695uart_break_ctl,
-	.startup	= ks8695uart_startup,
-	.shutdown	= ks8695uart_shutdown,
-	.set_termios	= ks8695uart_set_termios,
-	.type		= ks8695uart_type,
-	.release_port	= ks8695uart_release_port,
-	.request_port	= ks8695uart_request_port,
-	.config_port	= ks8695uart_config_port,
-	.verify_port	= ks8695uart_verify_port,
-};
-
-static struct uart_port ks8695uart_ports[SERIAL_KS8695_NR] = {
-	{
-		.membase	= KS8695_UART_VA,
-		.mapbase	= KS8695_UART_PA,
-		.iotype		= SERIAL_IO_MEM,
-		.irq		= KS8695_IRQ_UART_TX,
-		.uartclk	= KS8695_CLOCK_RATE * 16,
-		.fifosize	= 16,
-		.ops		= &ks8695uart_pops,
-		.flags		= UPF_BOOT_AUTOCONF,
-		.line		= 0,
-	}
-};
-
-#ifdef CONFIG_SERIAL_KS8695_CONSOLE
-static void ks8695_console_putchar(struct uart_port *port, int ch)
-{
-	while (!(UART_GET_LSR(port) & URLS_URTHRE))
-		barrier();
-
-	UART_PUT_CHAR(port, ch);
-}
-
-static void ks8695_console_write(struct console *co, const char *s, u_int count)
-{
-	struct uart_port *port = ks8695uart_ports + co->index;
-
-	uart_console_write(port, s, count, ks8695_console_putchar);
-}
-
-static void __init ks8695_console_get_options(struct uart_port *port, int *baud, int *parity, int *bits)
-{
-	unsigned int lcr;
-
-	lcr = UART_GET_LCR(port);
-
-	switch (lcr & URLC_PARITY) {
-		case URPE_ODD:
-			*parity = 'o';
-			break;
-		case URPE_EVEN:
-			*parity = 'e';
-			break;
-		default:
-			*parity = 'n';
-	}
-
-	switch (lcr & URLC_URCL) {
-		case URCL_5:
-			*bits = 5;
-			break;
-		case URCL_6:
-			*bits = 6;
-			break;
-		case URCL_7:
-			*bits = 7;
-			break;
-		default:
-			*bits = 8;
-	}
-
-	*baud = port->uartclk / (UART_GET_BRDR(port) & 0x0FFF);
-	*baud /= 16;
-	*baud &= 0xFFFFFFF0;
-}
-
-static int __init ks8695_console_setup(struct console *co, char *options)
-{
-	struct uart_port *port;
-	int baud = 115200;
-	int bits = 8;
-	int parity = 'n';
-	int flow = 'n';
-
-	/*
-	 * Check whether an invalid uart number has been specified, and
-	 * if so, search for the first available port that does have
-	 * console support.
-	 */
-	port = uart_get_console(ks8695uart_ports, SERIAL_KS8695_NR, co);
-
-	if (options)
-		uart_parse_options(options, &baud, &parity, &bits, &flow);
-	else
-		ks8695_console_get_options(port, &baud, &parity, &bits);
-
-	return uart_set_options(port, co, baud, parity, bits, flow);
-}
-
-static struct uart_driver ks8695_reg;
-
-static struct console ks8695_console = {
-	.name		= SERIAL_KS8695_DEVNAME,
-	.write		= ks8695_console_write,
-	.device		= uart_console_device,
-	.setup		= ks8695_console_setup,
-	.flags		= CON_PRINTBUFFER,
-	.index		= -1,
-	.data		= &ks8695_reg,
-};
-
-static int __init ks8695_console_init(void)
-{
-	add_preferred_console(SERIAL_KS8695_DEVNAME, 0, NULL);
-	register_console(&ks8695_console);
-	return 0;
-}
-
-console_initcall(ks8695_console_init);
-
-#define KS8695_CONSOLE	&ks8695_console
-#else
-#define KS8695_CONSOLE	NULL
-#endif
-
-static struct uart_driver ks8695_reg = {
-	.owner			= THIS_MODULE,
-	.driver_name		= "serial_ks8695",
-	.dev_name		= SERIAL_KS8695_DEVNAME,
-	.major			= SERIAL_KS8695_MAJOR,
-	.minor			= SERIAL_KS8695_MINOR,
-	.nr			= SERIAL_KS8695_NR,
-	.cons			= KS8695_CONSOLE,
-};
-
-static int __init ks8695uart_init(void)
-{
-	int i, ret;
-
-	printk(KERN_INFO "Serial: Micrel KS8695 UART driver\n");
-
-	ret = uart_register_driver(&ks8695_reg);
-	if (ret)
-		return ret;
-
-	for (i = 0; i < SERIAL_KS8695_NR; i++)
-		uart_add_one_port(&ks8695_reg, &ks8695uart_ports[0]);
-
-	return 0;
-}
-
-static void __exit ks8695uart_exit(void)
-{
-	int i;
-
-	for (i = 0; i < SERIAL_KS8695_NR; i++)
-		uart_remove_one_port(&ks8695_reg, &ks8695uart_ports[0]);
-	uart_unregister_driver(&ks8695_reg);
-}
-
-module_init(ks8695uart_init);
-module_exit(ks8695uart_exit);
-
-MODULE_DESCRIPTION("KS8695 serial port driver");
-MODULE_AUTHOR("Micrel Inc.");
-MODULE_LICENSE("GPL");
diff --git a/include/uapi/linux/serial_core.h b/include/uapi/linux/serial_core.h
index 3cc3af1c2ee1..e8dc1787c3c6 100644
--- a/include/uapi/linux/serial_core.h
+++ b/include/uapi/linux/serial_core.h
@@ -161,9 +161,6 @@
 /* Blackfin bf5xx */
 #define PORT_BFIN	75
 
-/* Micrel KS8695 */
-#define PORT_KS8695	76
-
 /* Broadcom SB1250, etc. SOC */
 #define PORT_SB1250_DUART	77
 
-- 
2.20.0

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