Merge tag 'tty-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty and serial updates from Greg KH:
 "Here is the big set of tty/serial driver changes for 6.7-rc1. Included
  in here are:

   - console/vgacon cleanups and removals from Arnd

   - tty core and n_tty cleanups from Jiri

   - lots of 8250 driver updates and cleanups

   - sc16is7xx serial driver updates

   - dt binding updates

   - first set of port lock wrapers from Thomas for the printk fixes
     coming in future releases

   - other small serial and tty core cleanups and updates

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'tty-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (193 commits)
  serdev: Replace custom code with device_match_acpi_handle()
  serdev: Simplify devm_serdev_device_open() function
  serdev: Make use of device_set_node()
  tty: n_gsm: add copyright Siemens Mobility GmbH
  tty: n_gsm: fix race condition in status line change on dead connections
  serial: core: Fix runtime PM handling for pending tx
  vgacon: fix mips/sibyte build regression
  dt-bindings: serial: drop unsupported samsung bindings
  tty: serial: samsung: drop earlycon support for unsupported platforms
  tty: 8250: Add note for PX-835
  tty: 8250: Fix IS-200 PCI ID comment
  tty: 8250: Add Brainboxes Oxford Semiconductor-based quirks
  tty: 8250: Add support for Intashield IX cards
  tty: 8250: Add support for additional Brainboxes PX cards
  tty: 8250: Fix up PX-803/PX-857
  tty: 8250: Fix port count of PX-257
  tty: 8250: Add support for Intashield IS-100
  tty: 8250: Add support for Brainboxes UP cards
  tty: 8250: Add support for additional Brainboxes UC cards
  tty: 8250: Remove UC-257 and UC-431
  ...

30 files changed, 73 insertions, 169 deletions

diff --git a/arch/alpha/kernel/proto.h b/arch/alpha/kernel/proto.h
index 5816a31c1b38..2c89c1c55712 100644
--- a/arch/alpha/kernel/proto.h
+++ b/arch/alpha/kernel/proto.h
@@ -1,5 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 #include <linux/interrupt.h>
+#include <linux/screen_info.h>
 #include <linux/io.h>
 
 /* Prototypes of functions used across modules here in this directory.  */
@@ -113,6 +114,7 @@ extern int boot_cpuid;
 #ifdef CONFIG_VERBOSE_MCHECK
 extern unsigned long alpha_verbose_mcheck;
 #endif
+extern struct screen_info vgacon_screen_info;
 
 /* srmcons.c */
 #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_SRM)
diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c
index c80258ec332f..0738f9396f95 100644
--- a/arch/alpha/kernel/setup.c
+++ b/arch/alpha/kernel/setup.c
@@ -131,13 +131,14 @@ static void determine_cpu_caches (unsigned int);
 
 static char __initdata command_line[COMMAND_LINE_SIZE];
 
+#ifdef CONFIG_VGA_CONSOLE
 /*
  * The format of "screen_info" is strange, and due to early
  * i386-setup code. This is just enough to make the console
  * code think we're on a VGA color display.
  */
 
-struct screen_info screen_info = {
+struct screen_info vgacon_screen_info = {
 	.orig_x = 0,
 	.orig_y = 25,
 	.orig_video_cols = 80,
@@ -145,8 +146,7 @@ struct screen_info screen_info = {
 	.orig_video_isVGA = 1,
 	.orig_video_points = 16
 };
-
-EXPORT_SYMBOL(screen_info);
+#endif
 
 /*
  * The direct map I/O window, if any.  This should be the same
@@ -652,7 +652,7 @@ setup_arch(char **cmdline_p)
 
 #ifdef CONFIG_VT
 #if defined(CONFIG_VGA_CONSOLE)
-	conswitchp = &vga_con;
+	vgacon_register_screen(&vgacon_screen_info);
 #endif
 #endif
 
diff --git a/arch/alpha/kernel/sys_sio.c b/arch/alpha/kernel/sys_sio.c
index 7c420d8dac53..086488ed83a7 100644
--- a/arch/alpha/kernel/sys_sio.c
+++ b/arch/alpha/kernel/sys_sio.c
@@ -57,11 +57,13 @@ sio_init_irq(void)
 static inline void __init
 alphabook1_init_arch(void)
 {
+#ifdef CONFIG_VGA_CONSOLE
 	/* The AlphaBook1 has LCD video fixed at 800x600,
 	   37 rows and 100 cols. */
-	screen_info.orig_y = 37;
-	screen_info.orig_video_cols = 100;
-	screen_info.orig_video_lines = 37;
+	vgacon_screen_info.orig_y = 37;
+	vgacon_screen_info.orig_video_cols = 100;
+	vgacon_screen_info.orig_video_lines = 37;
+#endif
 
 	lca_init_arch();
 }
diff --git a/arch/arm/include/asm/setup.h b/arch/arm/include/asm/setup.h
index 546af8b1e3f6..cc106f946c69 100644
--- a/arch/arm/include/asm/setup.h
+++ b/arch/arm/include/asm/setup.h
@@ -11,6 +11,7 @@
 #ifndef __ASMARM_SETUP_H
 #define __ASMARM_SETUP_H
 
+#include <linux/screen_info.h>
 #include <uapi/asm/setup.h>
 
 
@@ -35,4 +36,8 @@ void early_mm_init(const struct machine_desc *);
 void adjust_lowmem_bounds(void);
 void setup_dma_zone(const struct machine_desc *desc);
 
+#ifdef CONFIG_VGA_CONSOLE
+extern struct screen_info vgacon_screen_info;
+#endif
+
 #endif
diff --git a/arch/arm/include/asm/vga.h b/arch/arm/include/asm/vga.h
index 7c0bee57855a..6c430ec371df 100644
--- a/arch/arm/include/asm/vga.h
+++ b/arch/arm/include/asm/vga.h
@@ -5,6 +5,7 @@
 #include <linux/io.h>
 
 extern unsigned long vga_base;
+extern struct screen_info vgacon_screen_info;
 
 #define VGA_MAP_MEM(x,s)	(vga_base + (x))
 
diff --git a/arch/arm/kernel/atags_parse.c b/arch/arm/kernel/atags_parse.c
index 33f6eb5213a5..4ec591bde3df 100644
--- a/arch/arm/kernel/atags_parse.c
+++ b/arch/arm/kernel/atags_parse.c
@@ -69,18 +69,18 @@ static int __init parse_tag_mem32(const struct tag *tag)
 
 __tagtable(ATAG_MEM, parse_tag_mem32);
 
-#if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_DUMMY_CONSOLE)
+#if defined(CONFIG_ARCH_FOOTBRIDGE) && defined(CONFIG_VGA_CONSOLE)
 static int __init parse_tag_videotext(const struct tag *tag)
 {
-	screen_info.orig_x            = tag->u.videotext.x;
-	screen_info.orig_y            = tag->u.videotext.y;
-	screen_info.orig_video_page   = tag->u.videotext.video_page;
-	screen_info.orig_video_mode   = tag->u.videotext.video_mode;
-	screen_info.orig_video_cols   = tag->u.videotext.video_cols;
-	screen_info.orig_video_ega_bx = tag->u.videotext.video_ega_bx;
-	screen_info.orig_video_lines  = tag->u.videotext.video_lines;
-	screen_info.orig_video_isVGA  = tag->u.videotext.video_isvga;
-	screen_info.orig_video_points = tag->u.videotext.video_points;
+	vgacon_screen_info.orig_x            = tag->u.videotext.x;
+	vgacon_screen_info.orig_y            = tag->u.videotext.y;
+	vgacon_screen_info.orig_video_page   = tag->u.videotext.video_page;
+	vgacon_screen_info.orig_video_mode   = tag->u.videotext.video_mode;
+	vgacon_screen_info.orig_video_cols   = tag->u.videotext.video_cols;
+	vgacon_screen_info.orig_video_ega_bx = tag->u.videotext.video_ega_bx;
+	vgacon_screen_info.orig_video_lines  = tag->u.videotext.video_lines;
+	vgacon_screen_info.orig_video_isVGA  = tag->u.videotext.video_isvga;
+	vgacon_screen_info.orig_video_points = tag->u.videotext.video_points;
 	return 0;
 }
 
diff --git a/arch/arm/kernel/efi.c b/arch/arm/kernel/efi.c
index e94655ef16bb..6f9ec7d28a71 100644
--- a/arch/arm/kernel/efi.c
+++ b/arch/arm/kernel/efi.c
@@ -123,12 +123,6 @@ void __init arm_efi_init(void)
 {
 	efi_init();
 
-	if (screen_info.orig_video_isVGA == VIDEO_TYPE_EFI) {
-		/* dummycon on ARM needs non-zero values for columns/lines */
-		screen_info.orig_video_cols = 80;
-		screen_info.orig_video_lines = 25;
-	}
-
 	/* ARM does not permit early mappings to persist across paging_init() */
 	efi_memmap_unmap();
 
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index b01cac05bd4c..ff2299ce1ad7 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -928,9 +928,8 @@ static void __init request_standard_resources(const struct machine_desc *mdesc)
 		request_resource(&ioport_resource, &lp2);
 }
 
-#if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_DUMMY_CONSOLE) || \
-    defined(CONFIG_EFI)
-struct screen_info screen_info = {
+#if defined(CONFIG_VGA_CONSOLE)
+struct screen_info vgacon_screen_info = {
  .orig_video_lines	= 30,
  .orig_video_cols	= 80,
  .orig_video_mode	= 0,
@@ -1194,7 +1193,7 @@ void __init setup_arch(char **cmdline_p)
 
 #ifdef CONFIG_VT
 #if defined(CONFIG_VGA_CONSOLE)
-	conswitchp = &vga_con;
+	vgacon_register_screen(&vgacon_screen_info);
 #endif
 #endif
 
diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c
index 3f8c9c143552..0228001347be 100644
--- a/arch/arm64/kernel/efi.c
+++ b/arch/arm64/kernel/efi.c
@@ -71,10 +71,6 @@ static __init pteval_t create_mapping_protection(efi_memory_desc_t *md)
 	return pgprot_val(PAGE_KERNEL_EXEC);
 }
 
-/* we will fill this structure from the stub, so don't put it in .bss */
-struct screen_info screen_info __section(".data");
-EXPORT_SYMBOL(screen_info);
-
 int __init efi_create_mapping(struct mm_struct *mm, efi_memory_desc_t *md)
 {
 	pteval_t prot_val = create_mapping_protection(md);
diff --git a/arch/arm64/kernel/image-vars.h b/arch/arm64/kernel/image-vars.h
index 35f3c7959513..5e4dc72ab1bd 100644
--- a/arch/arm64/kernel/image-vars.h
+++ b/arch/arm64/kernel/image-vars.h
@@ -27,7 +27,9 @@ PROVIDE(__efistub__text			= _text);
 PROVIDE(__efistub__end			= _end);
 PROVIDE(__efistub___inittext_end       	= __inittext_end);
 PROVIDE(__efistub__edata		= _edata);
+#if defined(CONFIG_EFI_EARLYCON) || defined(CONFIG_SYSFB)
 PROVIDE(__efistub_screen_info		= screen_info);
+#endif
 PROVIDE(__efistub__ctype		= _ctype);
 
 PROVIDE(__pi___memcpy			= __pi_memcpy);
diff --git a/arch/csky/kernel/setup.c b/arch/csky/kernel/setup.c
index 106fbf0b6f3b..51012e90780d 100644
--- a/arch/csky/kernel/setup.c
+++ b/arch/csky/kernel/setup.c
@@ -8,22 +8,10 @@
 #include <linux/of_fdt.h>
 #include <linux/start_kernel.h>
 #include <linux/dma-map-ops.h>
-#include <linux/screen_info.h>
 #include <asm/sections.h>
 #include <asm/mmu_context.h>
 #include <asm/pgalloc.h>
 
-#ifdef CONFIG_DUMMY_CONSOLE
-struct screen_info screen_info = {
-	.orig_video_lines	= 30,
-	.orig_video_cols	= 80,
-	.orig_video_mode	= 0,
-	.orig_video_ega_bx	= 0,
-	.orig_video_isVGA	= 1,
-	.orig_video_points	= 8
-};
-#endif
-
 static void __init csky_memblock_init(void)
 {
 	unsigned long lowmem_size = PFN_DOWN(LOWMEM_LIMIT - PHYS_OFFSET_OFFSET);
diff --git a/arch/hexagon/kernel/Makefile b/arch/hexagon/kernel/Makefile
index e73cb321630e..3fdf937eb572 100644
--- a/arch/hexagon/kernel/Makefile
+++ b/arch/hexagon/kernel/Makefile
@@ -17,5 +17,3 @@ obj-y += vm_vectors.o
 obj-$(CONFIG_HAS_DMA) += dma.o
 
 obj-$(CONFIG_STACKTRACE) += stacktrace.o
-
-obj-$(CONFIG_VGA_CONSOLE) += screen_info.o
diff --git a/arch/hexagon/kernel/screen_info.c b/arch/hexagon/kernel/screen_info.c
deleted file mode 100644
index 1e1ceb18bafe..000000000000
--- a/arch/hexagon/kernel/screen_info.c
+++ /dev/null
@@ -1,3 +0,0 @@
-#include <linux/screen_info.h>
-
-struct screen_info screen_info;
diff --git a/arch/loongarch/kernel/efi.c b/arch/loongarch/kernel/efi.c
index 9fc10cea21e1..acb5d3385675 100644
--- a/arch/loongarch/kernel/efi.c
+++ b/arch/loongarch/kernel/efi.c
@@ -68,6 +68,11 @@ void __init efi_runtime_init(void)
 
 unsigned long __initdata screen_info_table = EFI_INVALID_TABLE_ADDR;
 
+#if defined(CONFIG_SYSFB) || defined(CONFIG_EFI_EARLYCON)
+struct screen_info screen_info __section(".data");
+EXPORT_SYMBOL_GPL(screen_info);
+#endif
+
 static void __init init_screen_info(void)
 {
 	struct screen_info *si;
@@ -115,7 +120,8 @@ void __init efi_init(void)
 
 	set_bit(EFI_CONFIG_TABLES, &efi.flags);
 
-	init_screen_info();
+	if (IS_ENABLED(CONFIG_EFI_EARLYCON) || IS_ENABLED(CONFIG_SYSFB))
+		init_screen_info();
 
 	if (boot_memmap == EFI_INVALID_TABLE_ADDR)
 		return;
diff --git a/arch/loongarch/kernel/image-vars.h b/arch/loongarch/kernel/image-vars.h
index e561989d02de..5087416b9678 100644
--- a/arch/loongarch/kernel/image-vars.h
+++ b/arch/loongarch/kernel/image-vars.h
@@ -12,7 +12,9 @@ __efistub_kernel_entry		= kernel_entry;
 __efistub_kernel_asize		= kernel_asize;
 __efistub_kernel_fsize		= kernel_fsize;
 __efistub_kernel_offset		= kernel_offset;
+#if defined(CONFIG_EFI_EARLYCON) || defined(CONFIG_SYSFB)
 __efistub_screen_info		= screen_info;
+#endif
 
 #endif
 
diff --git a/arch/loongarch/kernel/setup.c b/arch/loongarch/kernel/setup.c
index b35186f7b254..d183a745fb85 100644
--- a/arch/loongarch/kernel/setup.c
+++ b/arch/loongarch/kernel/setup.c
@@ -16,7 +16,6 @@
 #include <linux/dmi.h>
 #include <linux/efi.h>
 #include <linux/export.h>
-#include <linux/screen_info.h>
 #include <linux/memblock.h>
 #include <linux/initrd.h>
 #include <linux/ioport.h>
@@ -57,8 +56,6 @@
 #define SMBIOS_CORE_PACKAGE_OFFSET	0x23
 #define LOONGSON_EFI_ENABLE		(1 << 3)
 
-struct screen_info screen_info __section(".data");
-
 unsigned long fw_arg0, fw_arg1, fw_arg2;
 DEFINE_PER_CPU(unsigned long, kernelsp);
 struct cpuinfo_loongarch cpu_data[NR_CPUS] __read_mostly;
diff --git a/arch/mips/jazz/setup.c b/arch/mips/jazz/setup.c
index 04aab419a0fc..e318ea11c858 100644
--- a/arch/mips/jazz/setup.c
+++ b/arch/mips/jazz/setup.c
@@ -13,7 +13,6 @@
 #include <linux/init.h>
 #include <linux/ioport.h>
 #include <linux/console.h>
-#include <linux/screen_info.h>
 #include <linux/platform_device.h>
 #include <linux/serial_8250.h>
 #include <linux/dma-mapping.h>
@@ -76,14 +75,6 @@ void __init plat_mem_setup(void)
 
 	_machine_restart = jazz_machine_restart;
 
-#ifdef CONFIG_VT
-	screen_info = (struct screen_info) {
-		.orig_video_cols	= 160,
-		.orig_video_lines	= 64,
-		.orig_video_points	= 16,
-	};
-#endif
-
 	add_preferred_console("ttyS", 0, "9600");
 }
 
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 08321c945ac4..2d2ca024bd47 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -15,7 +15,6 @@
 #include <linux/delay.h>
 #include <linux/ioport.h>
 #include <linux/export.h>
-#include <linux/screen_info.h>
 #include <linux/memblock.h>
 #include <linux/initrd.h>
 #include <linux/root_dev.h>
@@ -54,10 +53,6 @@ struct cpuinfo_mips cpu_data[NR_CPUS] __read_mostly;
 
 EXPORT_SYMBOL(cpu_data);
 
-#ifdef CONFIG_VT
-struct screen_info screen_info;
-#endif
-
 /*
  * Setup information
  *
@@ -793,12 +788,6 @@ void __init setup_arch(char **cmdline_p)
 	if (IS_ENABLED(CONFIG_CPU_R4X00_BUGS64))
 		check_bugs64_early();
 
-#if defined(CONFIG_VT)
-#if defined(CONFIG_VGA_CONSOLE)
-	conswitchp = &vga_con;
-#endif
-#endif
-
 	arch_mem_init(cmdline_p);
 	dmi_setup();
 
diff --git a/arch/mips/mti-malta/malta-setup.c b/arch/mips/mti-malta/malta-setup.c
index 21cb3ac1237b..3a2836e9d856 100644
--- a/arch/mips/mti-malta/malta-setup.c
+++ b/arch/mips/mti-malta/malta-setup.c
@@ -161,7 +161,7 @@ static void __init pci_clock_check(void)
 #if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE)
 static void __init screen_info_setup(void)
 {
-	screen_info = (struct screen_info) {
+	static struct screen_info si = {
 		.orig_x = 0,
 		.orig_y = 25,
 		.ext_mem_k = 0,
@@ -175,6 +175,8 @@ static void __init screen_info_setup(void)
 		.orig_video_isVGA = VIDEO_TYPE_VGAC,
 		.orig_video_points = 16
 	};
+
+	vgacon_register_screen(&si);
 }
 #endif
 
diff --git a/arch/mips/sibyte/swarm/setup.c b/arch/mips/sibyte/swarm/setup.c
index 76683993cdd3..38c90b5e8754 100644
--- a/arch/mips/sibyte/swarm/setup.c
+++ b/arch/mips/sibyte/swarm/setup.c
@@ -13,6 +13,7 @@
 #include <linux/memblock.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
+#include <linux/console.h>
 #include <linux/screen_info.h>
 #include <linux/initrd.h>
 
@@ -112,6 +113,19 @@ int update_persistent_clock64(struct timespec64 now)
 	}
 }
 
+#ifdef CONFIG_VGA_CONSOLE
+static struct screen_info vgacon_screen_info = {
+	.orig_video_page	= 52,
+	.orig_video_mode	= 3,
+	.orig_video_cols	= 80,
+	.flags			= 12,
+	.orig_video_ega_bx	= 3,
+	.orig_video_lines	= 25,
+	.orig_video_isVGA	= 0x22,
+	.orig_video_points	= 16,
+};
+#endif
+
 void __init plat_mem_setup(void)
 {
 #ifdef CONFIG_SIBYTE_BCM1x80
@@ -129,17 +143,8 @@ void __init plat_mem_setup(void)
 	if (m41t81_probe())
 		swarm_rtc_type = RTC_M41T81;
 
-#ifdef CONFIG_VT
-	screen_info = (struct screen_info) {
-		.orig_video_page	= 52,
-		.orig_video_mode	= 3,
-		.orig_video_cols	= 80,
-		.flags			= 12,
-		.orig_video_ega_bx	= 3,
-		.orig_video_lines	= 25,
-		.orig_video_isVGA	= 0x22,
-		.orig_video_points	= 16,
-       };
+#ifdef CONFIG_VGA_CONSOLE
+	vgacon_register_screen(&vgacon_screen_info);
        /* XXXKW for CFE, get lines/cols from environment */
 #endif
 }
diff --git a/arch/mips/sni/setup.c b/arch/mips/sni/setup.c
index efad85c8c823..42fdb939c88d 100644
--- a/arch/mips/sni/setup.c
+++ b/arch/mips/sni/setup.c
@@ -38,19 +38,21 @@ extern void sni_machine_power_off(void);
 
 static void __init sni_display_setup(void)
 {
-#if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE) && defined(CONFIG_FW_ARC)
-	struct screen_info *si = &screen_info;
+#if defined(CONFIG_VGA_CONSOLE) && defined(CONFIG_FW_ARC)
+	static struct screen_info si;
 	DISPLAY_STATUS *di;
 
 	di = ArcGetDisplayStatus(1);
 
 	if (di) {
-		si->orig_x		= di->CursorXPosition;
-		si->orig_y		= di->CursorYPosition;
-		si->orig_video_cols	= di->CursorMaxXPosition;
-		si->orig_video_lines	= di->CursorMaxYPosition;
-		si->orig_video_isVGA	= VIDEO_TYPE_VGAC;
-		si->orig_video_points	= 16;
+		si.orig_x		= di->CursorXPosition;
+		si.orig_y		= di->CursorYPosition;
+		si.orig_video_cols	= di->CursorMaxXPosition;
+		si.orig_video_lines	= di->CursorMaxYPosition;
+		si.orig_video_isVGA	= VIDEO_TYPE_VGAC;
+		si.orig_video_points	= 16;
+
+		vgacon_register_screen(&si);
 	}
 #endif
 }
diff --git a/arch/nios2/kernel/setup.c b/arch/nios2/kernel/setup.c
index 8582ed965844..da122a5fa43b 100644
--- a/arch/nios2/kernel/setup.c
+++ b/arch/nios2/kernel/setup.c
@@ -19,7 +19,6 @@
 #include <linux/memblock.h>
 #include <linux/initrd.h>
 #include <linux/of_fdt.h>
-#include <linux/screen_info.h>
 
 #include <asm/mmu_context.h>
 #include <asm/sections.h>
@@ -36,10 +35,6 @@ static struct pt_regs fake_regs = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 					0, 0, 0, 0, 0, 0,
 					0};
 
-#ifdef CONFIG_VT
-struct screen_info screen_info;
-#endif
-
 /* Copy a short hook instruction sequence to the exception address */
 static inline void copy_exception_handler(unsigned int addr)
 {
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index ca92cf0ffde1..9b142b9d5187 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -22,7 +22,6 @@
 #include <linux/seq_file.h>
 #include <linux/ioport.h>
 #include <linux/console.h>
-#include <linux/screen_info.h>
 #include <linux/root_dev.h>
 #include <linux/cpu.h>
 #include <linux/unistd.h>
@@ -98,21 +97,6 @@ int boot_cpu_hwid = -1;
 int dcache_bsize;
 int icache_bsize;
 
-/*
- * This still seems to be needed... -- paulus
- */ 
-struct screen_info screen_info = {
-	.orig_x = 0,
-	.orig_y = 25,
-	.orig_video_cols = 80,
-	.orig_video_lines = 25,
-	.orig_video_isVGA = 1,
-	.orig_video_points = 16
-};
-#if defined(CONFIG_FB_VGA16_MODULE)
-EXPORT_SYMBOL(screen_info);
-#endif
-
 /* Variables required to store legacy IO irq routing */
 int of_i8042_kbd_irq;
 EXPORT_SYMBOL_GPL(of_i8042_kbd_irq);
diff --git a/arch/riscv/kernel/image-vars.h b/arch/riscv/kernel/image-vars.h
index ea1a10355ce9..3df30dd1c458 100644
--- a/arch/riscv/kernel/image-vars.h
+++ b/arch/riscv/kernel/image-vars.h
@@ -28,7 +28,9 @@ __efistub__start_kernel		= _start_kernel;
 __efistub__end			= _end;
 __efistub__edata		= _edata;
 __efistub___init_text_end	= __init_text_end;
+#if defined(CONFIG_EFI_EARLYCON) || defined(CONFIG_SYSFB)
 __efistub_screen_info		= screen_info;
+#endif
 
 #endif
 
diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c
index aac853ae4eb7..0624f44d43ec 100644
--- a/arch/riscv/kernel/setup.c
+++ b/arch/riscv/kernel/setup.c
@@ -15,7 +15,6 @@
 #include <linux/memblock.h>
 #include <linux/sched.h>
 #include <linux/console.h>
-#include <linux/screen_info.h>
 #include <linux/of_fdt.h>
 #include <linux/sched/task.h>
 #include <linux/smp.h>
@@ -40,17 +39,6 @@
 
 #include "head.h"
 
-#if defined(CONFIG_DUMMY_CONSOLE) || defined(CONFIG_EFI)
-struct screen_info screen_info __section(".data") = {
-	.orig_video_lines	= 30,
-	.orig_video_cols	= 80,
-	.orig_video_mode	= 0,
-	.orig_video_ega_bx	= 0,
-	.orig_video_isVGA	= 1,
-	.orig_video_points	= 8
-};
-#endif
-
 /*
  * The lucky hart to first increment this variable will boot the other cores.
  * This is used before the kernel initializes the BSS so it can't be in the
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index b3da2757faaf..3d80515298d2 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -7,7 +7,6 @@
  *  Copyright (C) 1999  Niibe Yutaka
  *  Copyright (C) 2002 - 2010 Paul Mundt
  */
-#include <linux/screen_info.h>
 #include <linux/ioport.h>
 #include <linux/init.h>
 #include <linux/initrd.h>
@@ -69,10 +68,6 @@ EXPORT_SYMBOL(cpu_data);
 struct sh_machine_vector sh_mv = { .mv_name = "generic", };
 EXPORT_SYMBOL(sh_mv);
 
-#ifdef CONFIG_VT
-struct screen_info screen_info;
-#endif
-
 extern int root_mountflags;
 
 #define RAMDISK_IMAGE_START_MASK	0x07FF
diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c
index 34ef7febf0d5..e3b72a7b46d3 100644
--- a/arch/sparc/kernel/setup_32.c
+++ b/arch/sparc/kernel/setup_32.c
@@ -17,7 +17,6 @@
 #include <linux/initrd.h>
 #include <asm/smp.h>
 #include <linux/user.h>
-#include <linux/screen_info.h>
 #include <linux/delay.h>
 #include <linux/fs.h>
 #include <linux/seq_file.h>
@@ -51,18 +50,6 @@
 
 #include "kernel.h"
 
-struct screen_info screen_info = {
-	0, 0,			/* orig-x, orig-y */
-	0,			/* unused */
-	0,			/* orig-video-page */
-	0,			/* orig-video-mode */
-	128,			/* orig-video-cols */
-	0,0,0,			/* ega_ax, ega_bx, ega_cx */
-	54,			/* orig-video-lines */
-	0,                      /* orig-video-isVGA */
-	16                      /* orig-video-points */
-};
-
 /* Typing sync at the prom prompt calls the function pointed to by
  * romvec->pv_synchook which I set to the following function.
  * This should sync all filesystems and return, for now it just
diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c
index 6546ca9d4d3f..6a4797dec34b 100644
--- a/arch/sparc/kernel/setup_64.c
+++ b/arch/sparc/kernel/setup_64.c
@@ -15,7 +15,6 @@
 #include <linux/ptrace.h>
 #include <asm/smp.h>
 #include <linux/user.h>
-#include <linux/screen_info.h>
 #include <linux/delay.h>
 #include <linux/fs.h>
 #include <linux/seq_file.h>
@@ -68,18 +67,6 @@
 DEFINE_SPINLOCK(ns87303_lock);
 EXPORT_SYMBOL(ns87303_lock);
 
-struct screen_info screen_info = {
-	0, 0,			/* orig-x, orig-y */
-	0,			/* unused */
-	0,			/* orig-video-page */
-	0,			/* orig-video-mode */
-	128,			/* orig-video-cols */
-	0, 0, 0,		/* unused, ega_bx, unused */
-	54,			/* orig-video-lines */
-	0,                      /* orig-video-isVGA */
-	16                      /* orig-video-points */
-};
-
 static void
 prom_console_write(struct console *con, const char *s, unsigned int n)
 {
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 163c35db3d04..1526747bedf2 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1167,7 +1167,7 @@ void __init setup_arch(char **cmdline_p)
 #ifdef CONFIG_VT
 #if defined(CONFIG_VGA_CONSOLE)
 	if (!efi_enabled(EFI_BOOT) || (efi_mem_type(0xa0000) != EFI_CONVENTIONAL_MEMORY))
-		conswitchp = &vga_con;
+		vgacon_register_screen(&screen_info);
 #endif
 #endif
 	x86_init.oem.banner();
diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index 52d6e4870a04..bdec4a773af0 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -19,7 +19,6 @@
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/proc_fs.h>
-#include <linux/screen_info.h>
 #include <linux/kernel.h>
 #include <linux/percpu.h>
 #include <linux/reboot.h>
@@ -49,17 +48,6 @@
 #include <asm/timex.h>
 #include <asm/traps.h>
 
-#if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_DUMMY_CONSOLE)
-struct screen_info screen_info = {
-	.orig_x = 0,
-	.orig_y = 24,
-	.orig_video_cols = 80,
-	.orig_video_lines = 24,
-	.orig_video_isVGA = 1,
-	.orig_video_points = 16,
-};
-#endif
-
 #ifdef CONFIG_BLK_DEV_INITRD
 extern unsigned long initrd_start;
 extern unsigned long initrd_end;