alpha: remove DECpc AXP150 (Jensen) support

This is one of the hackiest Alpha machines, and the only one without
PCI support. Removing this allows cleaning up code in eise and tty
drivers in addition to the architecture code.

Acked-by: Paul E. McKenney <paulmck@kernel.org>
Acked-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

7 files changed, 6 insertions, 40 deletions

diff --git a/drivers/eisa/Kconfig b/drivers/eisa/Kconfig
index c8bbf90209f5..a66b3be502a9 100644
--- a/drivers/eisa/Kconfig
+++ b/drivers/eisa/Kconfig
@@ -44,17 +44,16 @@ config EISA_PCI_EISA
 
 	  When in doubt, say Y.
 
-# Using EISA_VIRTUAL_ROOT on something other than an Alpha or
-# an X86 may lead to crashes...
+# Using EISA_VIRTUAL_ROOT on something other than an X86 may lead
+# to crashes...
 
 config EISA_VIRTUAL_ROOT
 	bool "EISA virtual root device"
-	depends on EISA && (ALPHA || X86)
+	depends on EISA && X86
 	default y
 	help
 	  Activate this option if your system only have EISA bus
-	  (no PCI slots). The Alpha Jensen is an example of such
-	  a system.
+	  (no PCI slots).
 
 	  When in doubt, say Y.
 
diff --git a/drivers/eisa/virtual_root.c b/drivers/eisa/virtual_root.c
index 37e6dd219c37..cd9515d9d8f0 100644
--- a/drivers/eisa/virtual_root.c
+++ b/drivers/eisa/virtual_root.c
@@ -13,7 +13,7 @@
 #include <linux/moduleparam.h>
 #include <linux/init.h>
 
-#if defined(CONFIG_ALPHA_JENSEN) || defined(CONFIG_EISA_VLB_PRIMING)
+#if defined(CONFIG_EISA_VLB_PRIMING)
 #define EISA_FORCE_PROBE_DEFAULT 1
 #else
 #define EISA_FORCE_PROBE_DEFAULT 0
diff --git a/drivers/input/serio/i8042-io.h b/drivers/input/serio/i8042-io.h
index 64590b86eb37..a8f4b2d70e59 100644
--- a/drivers/input/serio/i8042-io.h
+++ b/drivers/input/serio/i8042-io.h
@@ -15,10 +15,7 @@
  * IRQs.
  */
 
-#ifdef __alpha__
-# define I8042_KBD_IRQ	1
-# define I8042_AUX_IRQ	(RTC_PORT(0) == 0x170 ? 9 : 12)	/* Jensen is special */
-#elif defined(__arm__)
+#if defined(__arm__)
 /* defined in include/asm-arm/arch-xxx/irqs.h */
 #include <asm/irq.h>
 #elif defined(CONFIG_PPC)
diff --git a/drivers/tty/serial/8250/8250.h b/drivers/tty/serial/8250/8250.h
index 1aa3e55c8b47..6a7b286f6f5a 100644
--- a/drivers/tty/serial/8250/8250.h
+++ b/drivers/tty/serial/8250/8250.h
@@ -293,9 +293,6 @@ static inline int serial8250_in_MCR(struct uart_8250_port *up)
 	return mctrl;
 }
 
-bool alpha_jensen(void);
-void alpha_jensen_set_mctrl(struct uart_port *port, unsigned int mctrl);
-
 #ifdef CONFIG_SERIAL_8250_PNP
 int serial8250_pnp_init(void);
 void serial8250_pnp_exit(void);
diff --git a/drivers/tty/serial/8250/8250_alpha.c b/drivers/tty/serial/8250/8250_alpha.c
deleted file mode 100644
index 58e70328aa4d..000000000000
--- a/drivers/tty/serial/8250/8250_alpha.c
+++ /dev/null
@@ -1,21 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-
-#include <asm/machvec.h>
-#include "8250.h"
-
-bool alpha_jensen(void)
-{
-	return !strcmp(alpha_mv.vector_name, "Jensen");
-}
-
-void alpha_jensen_set_mctrl(struct uart_port *port, unsigned int mctrl)
-{
-	/*
-	 * Digital did something really horribly wrong with the OUT1 and OUT2
-	 * lines on Alpha Jensen.  The failure mode is that if either is
-	 * cleared, the machine locks up with endless interrupts.
-	 */
-	mctrl |= TIOCM_OUT1 | TIOCM_OUT2;
-
-	serial8250_do_set_mctrl(port, mctrl);
-}
diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index b62ad9006780..2504e0455875 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -508,10 +508,6 @@ static struct uart_8250_port *serial8250_setup_port(int index)
 
 	up->ops = &univ8250_driver_ops;
 
-	if (IS_ENABLED(CONFIG_ALPHA_JENSEN) ||
-	    (IS_ENABLED(CONFIG_ALPHA_GENERIC) && alpha_jensen()))
-		up->port.set_mctrl = alpha_jensen_set_mctrl;
-
 	serial8250_set_defaults(up);
 
 	return up;
diff --git a/drivers/tty/serial/8250/Makefile b/drivers/tty/serial/8250/Makefile
index ea2e81f58eac..69ac00270547 100644
--- a/drivers/tty/serial/8250/Makefile
+++ b/drivers/tty/serial/8250/Makefile
@@ -5,8 +5,6 @@
 
 obj-$(CONFIG_SERIAL_8250)		+= 8250.o 8250_base.o
 8250-y					:= 8250_core.o
-8250-$(CONFIG_ALPHA_GENERIC)		+= 8250_alpha.o
-8250-$(CONFIG_ALPHA_JENSEN)		+= 8250_alpha.o
 8250-$(CONFIG_SERIAL_8250_PNP)		+= 8250_pnp.o
 8250_base-y				:= 8250_port.o
 8250_base-$(CONFIG_SERIAL_8250_DMA)	+= 8250_dma.o