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-rw-r--r--arch/xtensa/Kconfig1
-rw-r--r--arch/xtensa/include/asm/Kbuild12
-rw-r--r--arch/xtensa/include/asm/dma-mapping.h2
-rw-r--r--arch/xtensa/include/asm/fb.h12
-rw-r--r--arch/xtensa/include/asm/irq.h3
-rw-r--r--arch/xtensa/include/asm/processor.h2
-rw-r--r--arch/xtensa/include/asm/uaccess.h6
-rw-r--r--arch/xtensa/include/uapi/asm/Kbuild10
-rw-r--r--arch/xtensa/include/uapi/asm/ioctls.h1
-rw-r--r--arch/xtensa/include/uapi/asm/socket.h4
-rw-r--r--arch/xtensa/kernel/irq.c5
-rw-r--r--arch/xtensa/kernel/setup.c3
-rw-r--r--arch/xtensa/kernel/syscall.c2
-rw-r--r--arch/xtensa/kernel/time.c2
-rw-r--r--arch/xtensa/kernel/vmlinux.lds.S6
-rw-r--r--arch/xtensa/platforms/iss/simdisk.c3
-rw-r--r--arch/xtensa/platforms/xtfpga/include/platform/hardware.h6
-rw-r--r--arch/xtensa/platforms/xtfpga/setup.c10
18 files changed, 37 insertions, 53 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index f4126cf997a4..7ad6d77b2f22 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -3,6 +3,7 @@ config ZONE_DMA
config XTENSA
def_bool y
+ select ARCH_NO_COHERENT_DMA_MMAP if !MMU
select ARCH_WANT_FRAME_POINTERS
select ARCH_WANT_IPC_PARSE_VERSION
select BUILDTIME_EXTABLE_SORT
diff --git a/arch/xtensa/include/asm/Kbuild b/arch/xtensa/include/asm/Kbuild
index cc23e9ecc6bb..2d716ebc5a5e 100644
--- a/arch/xtensa/include/asm/Kbuild
+++ b/arch/xtensa/include/asm/Kbuild
@@ -1,20 +1,17 @@
-generic-y += bitsperlong.h
generic-y += bug.h
generic-y += clkdev.h
generic-y += div64.h
generic-y += dma-contiguous.h
generic-y += emergency-restart.h
-generic-y += errno.h
generic-y += exec.h
generic-y += extable.h
-generic-y += fcntl.h
+generic-y += fb.h
generic-y += hardirq.h
-generic-y += ioctl.h
generic-y += irq_regs.h
generic-y += irq_work.h
generic-y += kdebug.h
generic-y += kmap_types.h
-generic-y += kvm_para.h
+generic-y += kprobes.h
generic-y += linkage.h
generic-y += local.h
generic-y += local64.h
@@ -22,14 +19,9 @@ generic-y += mcs_spinlock.h
generic-y += mm-arch-hooks.h
generic-y += percpu.h
generic-y += preempt.h
-generic-y += resource.h
generic-y += rwsem.h
generic-y += sections.h
-generic-y += siginfo.h
-generic-y += statfs.h
-generic-y += termios.h
generic-y += topology.h
generic-y += trace_clock.h
generic-y += word-at-a-time.h
generic-y += xor.h
-generic-y += kprobes.h
diff --git a/arch/xtensa/include/asm/dma-mapping.h b/arch/xtensa/include/asm/dma-mapping.h
index c6140fa8c0be..269738dc9d1d 100644
--- a/arch/xtensa/include/asm/dma-mapping.h
+++ b/arch/xtensa/include/asm/dma-mapping.h
@@ -16,8 +16,6 @@
#include <linux/mm.h>
#include <linux/scatterlist.h>
-#define DMA_ERROR_CODE (~(dma_addr_t)0x0)
-
extern const struct dma_map_ops xtensa_dma_map_ops;
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
diff --git a/arch/xtensa/include/asm/fb.h b/arch/xtensa/include/asm/fb.h
deleted file mode 100644
index c7df38030992..000000000000
--- a/arch/xtensa/include/asm/fb.h
+++ /dev/null
@@ -1,12 +0,0 @@
-#ifndef _ASM_FB_H_
-#define _ASM_FB_H_
-#include <linux/fb.h>
-
-#define fb_pgprotect(...) do {} while (0)
-
-static inline int fb_is_primary_device(struct fb_info *info)
-{
- return 0;
-}
-
-#endif /* _ASM_FB_H_ */
diff --git a/arch/xtensa/include/asm/irq.h b/arch/xtensa/include/asm/irq.h
index f71f88ea7646..19707db966f1 100644
--- a/arch/xtensa/include/asm/irq.h
+++ b/arch/xtensa/include/asm/irq.h
@@ -29,7 +29,8 @@ static inline void variant_irq_disable(unsigned int irq) { }
# define PLATFORM_NR_IRQS 0
#endif
#define XTENSA_NR_IRQS XCHAL_NUM_INTERRUPTS
-#define NR_IRQS (XTENSA_NR_IRQS + VARIANT_NR_IRQS + PLATFORM_NR_IRQS)
+#define NR_IRQS (XTENSA_NR_IRQS + VARIANT_NR_IRQS + PLATFORM_NR_IRQS + 1)
+#define XTENSA_PIC_LINUX_IRQ(hwirq) ((hwirq) + 1)
#if VARIANT_NR_IRQS == 0
static inline void variant_init_irq(void) { }
diff --git a/arch/xtensa/include/asm/processor.h b/arch/xtensa/include/asm/processor.h
index 003eeee3fbc6..30ee8c608853 100644
--- a/arch/xtensa/include/asm/processor.h
+++ b/arch/xtensa/include/asm/processor.h
@@ -213,8 +213,6 @@ struct mm_struct;
#define release_segments(mm) do { } while(0)
#define forget_segments() do { } while (0)
-#define thread_saved_pc(tsk) (task_pt_regs(tsk)->pc)
-
extern unsigned long get_wchan(struct task_struct *p);
#define KSTK_EIP(tsk) (task_pt_regs(tsk)->pc)
diff --git a/arch/xtensa/include/asm/uaccess.h b/arch/xtensa/include/asm/uaccess.h
index 2e7bac0d4b2c..b8f152b6aaa5 100644
--- a/arch/xtensa/include/asm/uaccess.h
+++ b/arch/xtensa/include/asm/uaccess.h
@@ -278,19 +278,15 @@ clear_user(void *addr, unsigned long size)
extern long __strncpy_user(char *, const char *, long);
-#define __strncpy_from_user __strncpy_user
static inline long
strncpy_from_user(char *dst, const char *src, long count)
{
if (access_ok(VERIFY_READ, src, 1))
- return __strncpy_from_user(dst, src, count);
+ return __strncpy_user(dst, src, count);
return -EFAULT;
}
-
-#define strlen_user(str) strnlen_user((str), TASK_SIZE - 1)
-
/*
* Return the size of a string (including the ending 0!)
*/
diff --git a/arch/xtensa/include/uapi/asm/Kbuild b/arch/xtensa/include/uapi/asm/Kbuild
index b15bf6bc0e94..a5bcdfb890f1 100644
--- a/arch/xtensa/include/uapi/asm/Kbuild
+++ b/arch/xtensa/include/uapi/asm/Kbuild
@@ -1,2 +1,12 @@
# UAPI Header export list
include include/uapi/asm-generic/Kbuild.asm
+
+generic-y += bitsperlong.h
+generic-y += errno.h
+generic-y += fcntl.h
+generic-y += ioctl.h
+generic-y += kvm_para.h
+generic-y += resource.h
+generic-y += siginfo.h
+generic-y += statfs.h
+generic-y += termios.h
diff --git a/arch/xtensa/include/uapi/asm/ioctls.h b/arch/xtensa/include/uapi/asm/ioctls.h
index 518954e74e6d..98b004e24e85 100644
--- a/arch/xtensa/include/uapi/asm/ioctls.h
+++ b/arch/xtensa/include/uapi/asm/ioctls.h
@@ -105,6 +105,7 @@
#define TIOCGPKT _IOR('T', 0x38, int) /* Get packet mode state */
#define TIOCGPTLCK _IOR('T', 0x39, int) /* Get Pty lock state */
#define TIOCGEXCL _IOR('T', 0x40, int) /* Get exclusive mode state */
+#define TIOCGPTPEER _IOR('T', 0x41, int) /* Safely open the slave */
#define TIOCSERCONFIG _IO('T', 83)
#define TIOCSERGWILD _IOR('T', 84, int)
diff --git a/arch/xtensa/include/uapi/asm/socket.h b/arch/xtensa/include/uapi/asm/socket.h
index 1eb6d2fe70d3..3eed2761c149 100644
--- a/arch/xtensa/include/uapi/asm/socket.h
+++ b/arch/xtensa/include/uapi/asm/socket.h
@@ -109,4 +109,8 @@
#define SO_COOKIE 57
+#define SCM_TIMESTAMPING_PKTINFO 58
+
+#define SO_PEERGROUPS 59
+
#endif /* _XTENSA_SOCKET_H */
diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c
index a265edd6ac37..99341028cc77 100644
--- a/arch/xtensa/kernel/irq.c
+++ b/arch/xtensa/kernel/irq.c
@@ -34,11 +34,6 @@ asmlinkage void do_IRQ(int hwirq, struct pt_regs *regs)
{
int irq = irq_find_mapping(NULL, hwirq);
- if (hwirq >= NR_IRQS) {
- printk(KERN_EMERG "%s: cannot handle IRQ %d\n",
- __func__, hwirq);
- }
-
#ifdef CONFIG_DEBUG_STACKOVERFLOW
/* Debugging check for stack overflow: is there less than 1KB free? */
{
diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index 394ef08300b6..33bfa5270d95 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -593,8 +593,7 @@ c_show(struct seq_file *f, void *slot)
(ccount_freq/10000) % 100,
loops_per_jiffy/(500000/HZ),
(loops_per_jiffy/(5000/HZ)) % 100);
-
- seq_printf(f,"flags\t\t: "
+ seq_puts(f, "flags\t\t: "
#if XCHAL_HAVE_NMI
"nmi "
#endif
diff --git a/arch/xtensa/kernel/syscall.c b/arch/xtensa/kernel/syscall.c
index 06937928cb72..74afbf02d07e 100644
--- a/arch/xtensa/kernel/syscall.c
+++ b/arch/xtensa/kernel/syscall.c
@@ -88,7 +88,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
/* At this point: (!vmm || addr < vmm->vm_end). */
if (TASK_SIZE - len < addr)
return -ENOMEM;
- if (!vmm || addr + len <= vmm->vm_start)
+ if (!vmm || addr + len <= vm_start_gap(vmm))
return addr;
addr = vmm->vm_end;
if (flags & MAP_SHARED)
diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c
index 668c1056f9e4..fd524a54d2ab 100644
--- a/arch/xtensa/kernel/time.c
+++ b/arch/xtensa/kernel/time.c
@@ -187,7 +187,7 @@ void __init time_init(void)
local_timer_setup(0);
setup_irq(this_cpu_ptr(&ccount_timer)->evt.irq, &timer_irqaction);
sched_clock_register(ccount_sched_clock_read, 32, ccount_freq);
- clocksource_probe();
+ timer_probe();
}
/*
diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S
index 30d9fc21e076..162c77e53ca8 100644
--- a/arch/xtensa/kernel/vmlinux.lds.S
+++ b/arch/xtensa/kernel/vmlinux.lds.S
@@ -118,7 +118,7 @@ SECTIONS
SECTION_VECTOR (.KernelExceptionVector.text, KERNEL_VECTOR_VADDR)
SECTION_VECTOR (.UserExceptionVector.literal, USER_VECTOR_VADDR - 4)
SECTION_VECTOR (.UserExceptionVector.text, USER_VECTOR_VADDR)
- SECTION_VECTOR (.DoubleExceptionVector.literal, DOUBLEEXC_VECTOR_VADDR - 48)
+ SECTION_VECTOR (.DoubleExceptionVector.literal, DOUBLEEXC_VECTOR_VADDR - 20)
SECTION_VECTOR (.DoubleExceptionVector.text, DOUBLEEXC_VECTOR_VADDR)
#endif
@@ -306,13 +306,13 @@ SECTIONS
.UserExceptionVector.literal)
SECTION_VECTOR (_DoubleExceptionVector_literal,
.DoubleExceptionVector.literal,
- DOUBLEEXC_VECTOR_VADDR - 48,
+ DOUBLEEXC_VECTOR_VADDR - 20,
SIZEOF(.UserExceptionVector.text),
.UserExceptionVector.text)
SECTION_VECTOR (_DoubleExceptionVector_text,
.DoubleExceptionVector.text,
DOUBLEEXC_VECTOR_VADDR,
- 48,
+ 20,
.DoubleExceptionVector.literal)
. = (LOADADDR( .DoubleExceptionVector.text ) + SIZEOF( .DoubleExceptionVector.text ) + 3) & ~ 3;
diff --git a/arch/xtensa/platforms/iss/simdisk.c b/arch/xtensa/platforms/iss/simdisk.c
index 02e94bb3ad3e..c45b90bb9339 100644
--- a/arch/xtensa/platforms/iss/simdisk.c
+++ b/arch/xtensa/platforms/iss/simdisk.c
@@ -317,8 +317,7 @@ static int __init simdisk_init(void)
if (simdisk_count > MAX_SIMDISK_COUNT)
simdisk_count = MAX_SIMDISK_COUNT;
- sddev = kmalloc(simdisk_count * sizeof(struct simdisk),
- GFP_KERNEL);
+ sddev = kmalloc_array(simdisk_count, sizeof(*sddev), GFP_KERNEL);
if (sddev == NULL)
goto out_unregister;
diff --git a/arch/xtensa/platforms/xtfpga/include/platform/hardware.h b/arch/xtensa/platforms/xtfpga/include/platform/hardware.h
index dbeea2b440a1..1fda7e20dfcb 100644
--- a/arch/xtensa/platforms/xtfpga/include/platform/hardware.h
+++ b/arch/xtensa/platforms/xtfpga/include/platform/hardware.h
@@ -24,16 +24,18 @@
/* Interrupt configuration. */
-#define PLATFORM_NR_IRQS 10
+#define PLATFORM_NR_IRQS 0
/* Default assignment of LX60 devices to external interrupts. */
#ifdef CONFIG_XTENSA_MX
#define DUART16552_INTNUM XCHAL_EXTINT3_NUM
#define OETH_IRQ XCHAL_EXTINT4_NUM
+#define C67X00_IRQ XCHAL_EXTINT8_NUM
#else
#define DUART16552_INTNUM XCHAL_EXTINT0_NUM
#define OETH_IRQ XCHAL_EXTINT1_NUM
+#define C67X00_IRQ XCHAL_EXTINT5_NUM
#endif
/*
@@ -63,5 +65,5 @@
#define C67X00_PADDR (XCHAL_KIO_PADDR + 0x0D0D0000)
#define C67X00_SIZE 0x10
-#define C67X00_IRQ 5
+
#endif /* __XTENSA_XTAVNET_HARDWARE_H */
diff --git a/arch/xtensa/platforms/xtfpga/setup.c b/arch/xtensa/platforms/xtfpga/setup.c
index 779be723eb2b..42285f35d313 100644
--- a/arch/xtensa/platforms/xtfpga/setup.c
+++ b/arch/xtensa/platforms/xtfpga/setup.c
@@ -175,8 +175,8 @@ static struct resource ethoc_res[] = {
.flags = IORESOURCE_MEM,
},
[2] = { /* IRQ number */
- .start = OETH_IRQ,
- .end = OETH_IRQ,
+ .start = XTENSA_PIC_LINUX_IRQ(OETH_IRQ),
+ .end = XTENSA_PIC_LINUX_IRQ(OETH_IRQ),
.flags = IORESOURCE_IRQ,
},
};
@@ -213,8 +213,8 @@ static struct resource c67x00_res[] = {
.flags = IORESOURCE_MEM,
},
[1] = { /* IRQ number */
- .start = C67X00_IRQ,
- .end = C67X00_IRQ,
+ .start = XTENSA_PIC_LINUX_IRQ(C67X00_IRQ),
+ .end = XTENSA_PIC_LINUX_IRQ(C67X00_IRQ),
.flags = IORESOURCE_IRQ,
},
};
@@ -247,7 +247,7 @@ static struct resource serial_resource = {
static struct plat_serial8250_port serial_platform_data[] = {
[0] = {
.mapbase = DUART16552_PADDR,
- .irq = DUART16552_INTNUM,
+ .irq = XTENSA_PIC_LINUX_IRQ(DUART16552_INTNUM),
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
UPF_IOREMAP,
.iotype = XCHAL_HAVE_BE ? UPIO_MEM32BE : UPIO_MEM32,
generated by cgit (git 2.34.1) at 2024-05-07 23:51:42 +0000