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-rw-r--r--arch/m68k/Kconfig2
-rw-r--r--arch/m68k/Kconfig.bus2
-rw-r--r--arch/m68k/Kconfig.machine1
-rw-r--r--arch/m68k/coldfire/clk.c2
-rw-r--r--arch/m68k/coldfire/device.c44
-rw-r--r--arch/m68k/coldfire/m5441x.c8
-rw-r--r--arch/m68k/coldfire/stmark2.c6
-rw-r--r--arch/m68k/configs/stmark2_defconfig1
-rw-r--r--arch/m68k/emu/nfcon.c30
-rw-r--r--arch/m68k/fpsp040/skeleton.S3
-rw-r--r--arch/m68k/include/asm/m5441xsim.h19
-rw-r--r--arch/m68k/kernel/syscalls/syscall.tbl4
-rw-r--r--arch/m68k/kernel/traps.c2
13 files changed, 96 insertions, 28 deletions
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index d632a1d576f9..774c35f47eea 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -16,8 +16,6 @@ config M68K
select GENERIC_CPU_DEVICES
select GENERIC_IOMAP
select GENERIC_IRQ_SHOW
- select GENERIC_STRNCPY_FROM_USER if MMU
- select GENERIC_STRNLEN_USER if MMU
select HAVE_AOUT if MMU
select HAVE_ASM_MODVERSIONS
select HAVE_DEBUG_BUGVERBOSE
diff --git a/arch/m68k/Kconfig.bus b/arch/m68k/Kconfig.bus
index f1be832e2b74..d1e93a39cd3b 100644
--- a/arch/m68k/Kconfig.bus
+++ b/arch/m68k/Kconfig.bus
@@ -63,7 +63,7 @@ source "drivers/zorro/Kconfig"
endif
-if !MMU
+if COLDFIRE
config ISA_DMA_API
def_bool !M5272
diff --git a/arch/m68k/Kconfig.machine b/arch/m68k/Kconfig.machine
index 6a07a6817885..36fa0c3ef129 100644
--- a/arch/m68k/Kconfig.machine
+++ b/arch/m68k/Kconfig.machine
@@ -465,6 +465,7 @@ config RAMKERNEL
config ROMKERNEL
bool "ROM"
+ depends on ROM
help
The kernel will be resident in FLASH/ROM when running. This is
often referred to as Execute-in-Place (XIP), since the kernel
diff --git a/arch/m68k/coldfire/clk.c b/arch/m68k/coldfire/clk.c
index 2ed841e94111..d03b6c4aa86b 100644
--- a/arch/m68k/coldfire/clk.c
+++ b/arch/m68k/coldfire/clk.c
@@ -78,7 +78,7 @@ int clk_enable(struct clk *clk)
unsigned long flags;
if (!clk)
- return -EINVAL;
+ return 0;
spin_lock_irqsave(&clk_lock, flags);
if ((clk->enabled++ == 0) && clk->clk_ops)
diff --git a/arch/m68k/coldfire/device.c b/arch/m68k/coldfire/device.c
index 59f7dfe50a4d..0386252e9d04 100644
--- a/arch/m68k/coldfire/device.c
+++ b/arch/m68k/coldfire/device.c
@@ -581,6 +581,47 @@ static struct platform_device mcf_esdhc = {
};
#endif /* MCFSDHC_BASE */
+#if IS_ENABLED(CONFIG_CAN_FLEXCAN)
+
+#include <linux/can/platform/flexcan.h>
+
+static struct flexcan_platform_data mcf5441x_flexcan_info = {
+ .clk_src = 1,
+ .clock_frequency = 120000000,
+};
+
+static struct resource mcf5441x_flexcan0_resource[] = {
+ {
+ .start = MCFFLEXCAN_BASE0,
+ .end = MCFFLEXCAN_BASE0 + MCFFLEXCAN_SIZE,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = MCF_IRQ_IFL0,
+ .end = MCF_IRQ_IFL0,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = MCF_IRQ_BOFF0,
+ .end = MCF_IRQ_BOFF0,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = MCF_IRQ_ERR0,
+ .end = MCF_IRQ_ERR0,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mcf_flexcan0 = {
+ .name = "flexcan-mcf5441x",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(mcf5441x_flexcan0_resource),
+ .resource = mcf5441x_flexcan0_resource,
+ .dev.platform_data = &mcf5441x_flexcan_info,
+};
+#endif /* IS_ENABLED(CONFIG_CAN_FLEXCAN) */
+
static struct platform_device *mcf_devices[] __initdata = {
&mcf_uart,
#if IS_ENABLED(CONFIG_FEC)
@@ -616,6 +657,9 @@ static struct platform_device *mcf_devices[] __initdata = {
#ifdef MCFSDHC_BASE
&mcf_esdhc,
#endif
+#if IS_ENABLED(CONFIG_CAN_FLEXCAN)
+ &mcf_flexcan0,
+#endif
};
/*
diff --git a/arch/m68k/coldfire/m5441x.c b/arch/m68k/coldfire/m5441x.c
index ce14693d18b6..39855044090d 100644
--- a/arch/m68k/coldfire/m5441x.c
+++ b/arch/m68k/coldfire/m5441x.c
@@ -19,8 +19,8 @@
#include <asm/mcfclk.h>
DEFINE_CLK(0, "flexbus", 2, MCF_CLK);
-DEFINE_CLK(0, "mcfcan.0", 8, MCF_CLK);
-DEFINE_CLK(0, "mcfcan.1", 9, MCF_CLK);
+DEFINE_CLK(0, "flexcan.0", 8, MCF_CLK);
+DEFINE_CLK(0, "flexcan.1", 9, MCF_CLK);
DEFINE_CLK(0, "imx1-i2c.1", 14, MCF_CLK);
DEFINE_CLK(0, "mcfdspi.1", 15, MCF_CLK);
DEFINE_CLK(0, "edma", 17, MCF_CLK);
@@ -142,6 +142,8 @@ static struct clk_lookup m5411x_clk_lookup[] = {
static struct clk * const enable_clks[] __initconst = {
/* make sure these clocks are enabled */
+ &__clk_0_8, /* flexcan.0 */
+ &__clk_0_9, /* flexcan.1 */
&__clk_0_15, /* dspi.1 */
&__clk_0_17, /* eDMA */
&__clk_0_18, /* intc0 */
@@ -162,8 +164,6 @@ static struct clk * const enable_clks[] __initconst = {
&__clk_1_37, /* gpio */
};
static struct clk * const disable_clks[] __initconst = {
- &__clk_0_8, /* can.0 */
- &__clk_0_9, /* can.1 */
&__clk_0_14, /* i2c.1 */
&__clk_0_22, /* i2c.0 */
&__clk_0_23, /* dspi.0 */
diff --git a/arch/m68k/coldfire/stmark2.c b/arch/m68k/coldfire/stmark2.c
index 8b5af9c83244..036a6ae5f599 100644
--- a/arch/m68k/coldfire/stmark2.c
+++ b/arch/m68k/coldfire/stmark2.c
@@ -111,7 +111,9 @@ static int __init init_stmark2(void)
__raw_writeb(0x00, MCFGPIO_PAR_BE);
__raw_writeb(0x00, MCFGPIO_PAR_FBCTL);
__raw_writeb(0x00, MCFGPIO_PAR_CS);
- __raw_writeb(0x00, MCFGPIO_PAR_CANI2C);
+
+ /* CAN pads */
+ __raw_writeb(0x50, MCFGPIO_PAR_CANI2C);
platform_add_devices(stmark2_devices, ARRAY_SIZE(stmark2_devices));
@@ -121,4 +123,4 @@ static int __init init_stmark2(void)
return 0;
}
-late_initcall(init_stmark2);
+device_initcall(init_stmark2);
diff --git a/arch/m68k/configs/stmark2_defconfig b/arch/m68k/configs/stmark2_defconfig
index d92306472fce..8898ae321779 100644
--- a/arch/m68k/configs/stmark2_defconfig
+++ b/arch/m68k/configs/stmark2_defconfig
@@ -22,7 +22,6 @@ CONFIG_RAMSIZE=0x8000000
CONFIG_VECTORBASE=0x40000000
CONFIG_KERNELBASE=0x40001000
# CONFIG_BLK_DEV_BSG is not set
-CONFIG_BLK_CMDLINE_PARSER=y
CONFIG_BINFMT_FLAT=y
CONFIG_BINFMT_ZFLAT=y
CONFIG_BINFMT_MISC=y
diff --git a/arch/m68k/emu/nfcon.c b/arch/m68k/emu/nfcon.c
index 92636c89d65b..557d60867f98 100644
--- a/arch/m68k/emu/nfcon.c
+++ b/arch/m68k/emu/nfcon.c
@@ -120,35 +120,37 @@ early_param("debug", nf_debug_setup);
static int __init nfcon_init(void)
{
+ struct tty_driver *driver;
int res;
stderr_id = nf_get_id("NF_STDERR");
if (!stderr_id)
return -ENODEV;
- nfcon_tty_driver = alloc_tty_driver(1);
- if (!nfcon_tty_driver)
- return -ENOMEM;
+ driver = tty_alloc_driver(1, TTY_DRIVER_REAL_RAW);
+ if (IS_ERR(driver))
+ return PTR_ERR(driver);
tty_port_init(&nfcon_tty_port);
- nfcon_tty_driver->driver_name = "nfcon";
- nfcon_tty_driver->name = "nfcon";
- nfcon_tty_driver->type = TTY_DRIVER_TYPE_SYSTEM;
- nfcon_tty_driver->subtype = SYSTEM_TYPE_TTY;
- nfcon_tty_driver->init_termios = tty_std_termios;
- nfcon_tty_driver->flags = TTY_DRIVER_REAL_RAW;
+ driver->driver_name = "nfcon";
+ driver->name = "nfcon";
+ driver->type = TTY_DRIVER_TYPE_SYSTEM;
+ driver->subtype = SYSTEM_TYPE_TTY;
+ driver->init_termios = tty_std_termios;
- tty_set_operations(nfcon_tty_driver, &nfcon_tty_ops);
- tty_port_link_device(&nfcon_tty_port, nfcon_tty_driver, 0);
- res = tty_register_driver(nfcon_tty_driver);
+ tty_set_operations(driver, &nfcon_tty_ops);
+ tty_port_link_device(&nfcon_tty_port, driver, 0);
+ res = tty_register_driver(driver);
if (res) {
pr_err("failed to register nfcon tty driver\n");
- put_tty_driver(nfcon_tty_driver);
+ tty_driver_kref_put(driver);
tty_port_destroy(&nfcon_tty_port);
return res;
}
+ nfcon_tty_driver = driver;
+
if (!(nf_console.flags & CON_ENABLED))
register_console(&nf_console);
@@ -159,7 +161,7 @@ static void __exit nfcon_exit(void)
{
unregister_console(&nf_console);
tty_unregister_driver(nfcon_tty_driver);
- put_tty_driver(nfcon_tty_driver);
+ tty_driver_kref_put(nfcon_tty_driver);
tty_port_destroy(&nfcon_tty_port);
}
diff --git a/arch/m68k/fpsp040/skeleton.S b/arch/m68k/fpsp040/skeleton.S
index a8f41615d94a..439395aa6fb4 100644
--- a/arch/m68k/fpsp040/skeleton.S
+++ b/arch/m68k/fpsp040/skeleton.S
@@ -502,7 +502,8 @@ in_ea:
.section .fixup,#alloc,#execinstr
.even
1:
- jbra fpsp040_die
+ jbsr fpsp040_die
+ jbra .Lnotkern
.section __ex_table,#alloc
.align 4
diff --git a/arch/m68k/include/asm/m5441xsim.h b/arch/m68k/include/asm/m5441xsim.h
index e091e36d3464..f48cf63bd782 100644
--- a/arch/m68k/include/asm/m5441xsim.h
+++ b/arch/m68k/include/asm/m5441xsim.h
@@ -73,6 +73,12 @@
#define MCFINT0_FECENTC1 55
/* on interrupt controller 1 */
+#define MCFINT1_FLEXCAN0_IFL 0
+#define MCFINT1_FLEXCAN0_BOFF 1
+#define MCFINT1_FLEXCAN0_ERR 3
+#define MCFINT1_FLEXCAN1_IFL 4
+#define MCFINT1_FLEXCAN1_BOFF 5
+#define MCFINT1_FLEXCAN1_ERR 7
#define MCFINT1_UART4 48
#define MCFINT1_UART5 49
#define MCFINT1_UART6 50
@@ -314,4 +320,17 @@
#define MCF_IRQ_SDHC (MCFINT2_VECBASE + MCFINT2_SDHC)
#define MCFSDHC_CLK (MCFSDHC_BASE + 0x2c)
+/*
+ * Flexcan module
+ */
+#define MCFFLEXCAN_BASE0 0xfc020000
+#define MCFFLEXCAN_BASE1 0xfc024000
+#define MCFFLEXCAN_SIZE 0x4000
+#define MCF_IRQ_IFL0 (MCFINT1_VECBASE + MCFINT1_FLEXCAN0_IFL)
+#define MCF_IRQ_BOFF0 (MCFINT1_VECBASE + MCFINT1_FLEXCAN0_BOFF)
+#define MCF_IRQ_ERR0 (MCFINT1_VECBASE + MCFINT1_FLEXCAN0_ERR)
+#define MCF_IRQ_IFL1 (MCFINT1_VECBASE + MCFINT1_FLEXCAN1_IFL)
+#define MCF_IRQ_BOFF1 (MCFINT1_VECBASE + MCFINT1_FLEXCAN1_BOFF)
+#define MCF_IRQ_ERR1 (MCFINT1_VECBASE + MCFINT1_FLEXCAN1_ERR)
+
#endif /* m5441xsim_h */
diff --git a/arch/m68k/kernel/syscalls/syscall.tbl b/arch/m68k/kernel/syscalls/syscall.tbl
index 541bc1b3a8f9..7976dff8f879 100644
--- a/arch/m68k/kernel/syscalls/syscall.tbl
+++ b/arch/m68k/kernel/syscalls/syscall.tbl
@@ -141,7 +141,7 @@
131 common quotactl sys_quotactl
132 common getpgid sys_getpgid
133 common fchdir sys_fchdir
-134 common bdflush sys_bdflush
+134 common bdflush sys_ni_syscall
135 common sysfs sys_sysfs
136 common personality sys_personality
# 137 was afs_syscall
@@ -446,3 +446,5 @@
444 common landlock_create_ruleset sys_landlock_create_ruleset
445 common landlock_add_rule sys_landlock_add_rule
446 common landlock_restrict_self sys_landlock_restrict_self
+# 447 reserved for memfd_secret
+448 common process_mrelease sys_process_mrelease
diff --git a/arch/m68k/kernel/traps.c b/arch/m68k/kernel/traps.c
index 9e1261462bcc..5b19fcdcd69e 100644
--- a/arch/m68k/kernel/traps.c
+++ b/arch/m68k/kernel/traps.c
@@ -1150,7 +1150,7 @@ asmlinkage void set_esp0(unsigned long ssp)
*/
asmlinkage void fpsp040_die(void)
{
- do_exit(SIGSEGV);
+ force_sigsegv(SIGSEGV);
}
#ifdef CONFIG_M68KFPU_EMU
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-14 12:47:13 +0000