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-rw-r--r--arch/cris/arch-v10/drivers/ds1302.c20
-rw-r--r--arch/cris/arch-v10/drivers/eeprom.c48
-rw-r--r--arch/cris/arch-v10/drivers/i2c.c1
-rw-r--r--arch/cris/arch-v10/drivers/pcf8563.c19
-rw-r--r--arch/cris/arch-v10/drivers/sync_serial.c1
-rw-r--r--arch/cris/arch-v10/kernel/entry.S4
-rw-r--r--arch/cris/arch-v10/kernel/irq.c10
-rw-r--r--arch/cris/arch-v10/kernel/process.c2
-rw-r--r--arch/cris/arch-v10/kernel/ptrace.c51
-rw-r--r--arch/cris/arch-v10/kernel/time.c37
-rw-r--r--arch/cris/arch-v10/lib/dmacopy.c15
-rw-r--r--arch/cris/arch-v10/lib/hw_settings.S14
-rw-r--r--arch/cris/arch-v10/lib/old_checksum.c2
13 files changed, 69 insertions, 155 deletions
diff --git a/arch/cris/arch-v10/drivers/ds1302.c b/arch/cris/arch-v10/drivers/ds1302.c
index 77630df94343..884275629ef7 100644
--- a/arch/cris/arch-v10/drivers/ds1302.c
+++ b/arch/cris/arch-v10/drivers/ds1302.c
@@ -19,6 +19,7 @@
#include <linux/module.h>
#include <linux/miscdevice.h>
#include <linux/delay.h>
+#include <linux/smp_lock.h>
#include <linux/bcd.h>
#include <linux/capability.h>
@@ -238,9 +239,7 @@ static unsigned char days_in_mo[] =
/* ioctl that supports RTC_RD_TIME and RTC_SET_TIME (read and set time/date). */
-static int
-rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
+static int rtc_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
unsigned long flags;
@@ -354,6 +353,17 @@ rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
}
}
+static long rtc_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+ int ret;
+
+ lock_kernel();
+ ret = rtc_ioctl(file, cmd, arg);
+ unlock_kernel();
+
+ return ret;
+}
+
static void
print_rtc_status(void)
{
@@ -375,8 +385,8 @@ print_rtc_status(void)
/* The various file operations we support. */
static const struct file_operations rtc_fops = {
- .owner = THIS_MODULE,
- .ioctl = rtc_ioctl,
+ .owner = THIS_MODULE,
+ .unlocked_ioctl = rtc_unlocked_ioctl,
};
/* Probe for the chip by writing something to its RAM and try reading it back. */
diff --git a/arch/cris/arch-v10/drivers/eeprom.c b/arch/cris/arch-v10/drivers/eeprom.c
index 1f2ae909d3e6..c3405507a3d1 100644
--- a/arch/cris/arch-v10/drivers/eeprom.c
+++ b/arch/cris/arch-v10/drivers/eeprom.c
@@ -73,8 +73,7 @@ struct eeprom_type
int adapt_state; /* 1 = To high , 0 = Even, -1 = To low */
/* this one is to keep the read/write operations atomic */
- wait_queue_head_t wait_q;
- volatile int busy;
+ struct mutex lock;
int retry_cnt_addr; /* Used to keep track of number of retries for
adaptive timing adjustments */
int retry_cnt_read;
@@ -115,8 +114,7 @@ const struct file_operations eeprom_fops =
int __init eeprom_init(void)
{
- init_waitqueue_head(&eeprom.wait_q);
- eeprom.busy = 0;
+ mutex_init(&eeprom.lock);
#ifdef CONFIG_ETRAX_I2C_EEPROM_PROBE
#define EETEXT "Found"
@@ -439,10 +437,7 @@ static loff_t eeprom_lseek(struct file * file, loff_t offset, int orig)
static int eeprom_read_buf(loff_t addr, char * buf, int count)
{
- struct file f;
-
- f.f_pos = addr;
- return eeprom_read(&f, buf, count, &addr);
+ return eeprom_read(NULL, buf, count, &addr);
}
@@ -452,7 +447,7 @@ static int eeprom_read_buf(loff_t addr, char * buf, int count)
static ssize_t eeprom_read(struct file * file, char * buf, size_t count, loff_t *off)
{
int read=0;
- unsigned long p = file->f_pos;
+ unsigned long p = *off;
unsigned char page;
@@ -461,12 +456,9 @@ static ssize_t eeprom_read(struct file * file, char * buf, size_t count, loff_t
return -EFAULT;
}
- wait_event_interruptible(eeprom.wait_q, !eeprom.busy);
- if (signal_pending(current))
+ if (mutex_lock_interruptible(&eeprom.lock))
return -EINTR;
- eeprom.busy++;
-
page = (unsigned char) (p >> 8);
if(!eeprom_address(p))
@@ -476,8 +468,7 @@ static ssize_t eeprom_read(struct file * file, char * buf, size_t count, loff_t
i2c_stop();
/* don't forget to wake them up */
- eeprom.busy--;
- wake_up_interruptible(&eeprom.wait_q);
+ mutex_unlock(&eeprom.lock);
return -EFAULT;
}
@@ -501,11 +492,10 @@ static ssize_t eeprom_read(struct file * file, char * buf, size_t count, loff_t
if(read > 0)
{
- file->f_pos += read;
+ *off += read;
}
- eeprom.busy--;
- wake_up_interruptible(&eeprom.wait_q);
+ mutex_unlock(&eeprom.lock);
return read;
}
@@ -513,11 +503,7 @@ static ssize_t eeprom_read(struct file * file, char * buf, size_t count, loff_t
static int eeprom_write_buf(loff_t addr, const char * buf, int count)
{
- struct file f;
-
- f.f_pos = addr;
-
- return eeprom_write(&f, buf, count, &addr);
+ return eeprom_write(NULL, buf, count, &addr);
}
@@ -534,16 +520,14 @@ static ssize_t eeprom_write(struct file * file, const char * buf, size_t count,
return -EFAULT;
}
- wait_event_interruptible(eeprom.wait_q, !eeprom.busy);
/* bail out if we get interrupted */
- if (signal_pending(current))
+ if (mutex_lock_interruptible(&eeprom.lock))
return -EINTR;
- eeprom.busy++;
for(i = 0; (i < EEPROM_RETRIES) && (restart > 0); i++)
{
restart = 0;
written = 0;
- p = file->f_pos;
+ p = *off;
while( (written < count) && (p < eeprom.size))
@@ -556,8 +540,7 @@ static ssize_t eeprom_write(struct file * file, const char * buf, size_t count,
i2c_stop();
/* don't forget to wake them up */
- eeprom.busy--;
- wake_up_interruptible(&eeprom.wait_q);
+ mutex_unlock(&eeprom.lock);
return -EFAULT;
}
#ifdef EEPROM_ADAPTIVE_TIMING
@@ -669,12 +652,11 @@ static ssize_t eeprom_write(struct file * file, const char * buf, size_t count,
} /* while */
} /* for */
- eeprom.busy--;
- wake_up_interruptible(&eeprom.wait_q);
- if (written == 0 && file->f_pos >= eeprom.size){
+ mutex_unlock(&eeprom.lock);
+ if (written == 0 && p >= eeprom.size){
return -ENOSPC;
}
- file->f_pos += written;
+ *off = p;
return written;
}
diff --git a/arch/cris/arch-v10/drivers/i2c.c b/arch/cris/arch-v10/drivers/i2c.c
index 7f656ae0b21d..a8737a8eb229 100644
--- a/arch/cris/arch-v10/drivers/i2c.c
+++ b/arch/cris/arch-v10/drivers/i2c.c
@@ -14,7 +14,6 @@
#include <linux/module.h>
#include <linux/sched.h>
-#include <linux/slab.h>
#include <linux/smp_lock.h>
#include <linux/errno.h>
#include <linux/kernel.h>
diff --git a/arch/cris/arch-v10/drivers/pcf8563.c b/arch/cris/arch-v10/drivers/pcf8563.c
index 1e90c1a9c849..7dcb1f85f42b 100644
--- a/arch/cris/arch-v10/drivers/pcf8563.c
+++ b/arch/cris/arch-v10/drivers/pcf8563.c
@@ -27,6 +27,7 @@
#include <linux/delay.h>
#include <linux/bcd.h>
#include <linux/mutex.h>
+#include <linux/smp_lock.h>
#include <asm/uaccess.h>
#include <asm/system.h>
@@ -53,7 +54,7 @@ static DEFINE_MUTEX(rtc_lock); /* Protect state etc */
static const unsigned char days_in_month[] =
{ 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
-int pcf8563_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
+static long pcf8563_unlocked_ioctl(struct file *, unsigned int, unsigned long);
/* Cache VL bit value read at driver init since writing the RTC_SECOND
* register clears the VL status.
@@ -62,7 +63,7 @@ static int voltage_low;
static const struct file_operations pcf8563_fops = {
.owner = THIS_MODULE,
- .ioctl = pcf8563_ioctl,
+ .unlocked_ioctl = pcf8563_unlocked_ioctl,
};
unsigned char
@@ -212,8 +213,7 @@ pcf8563_exit(void)
* ioctl calls for this driver. Why return -ENOTTY upon error? Because
* POSIX says so!
*/
-int pcf8563_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
+static int pcf8563_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
/* Some sanity checks. */
if (_IOC_TYPE(cmd) != RTC_MAGIC)
@@ -339,6 +339,17 @@ int pcf8563_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
return 0;
}
+static long pcf8563_unlocked_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+{
+ int ret;
+
+ lock_kernel();
+ return pcf8563_ioctl(filp, cmd, arg);
+ unlock_kernel();
+
+ return ret;
+}
+
static int __init pcf8563_register(void)
{
if (pcf8563_init() < 0) {
diff --git a/arch/cris/arch-v10/drivers/sync_serial.c b/arch/cris/arch-v10/drivers/sync_serial.c
index 562b9a7feae7..109dcd826d17 100644
--- a/arch/cris/arch-v10/drivers/sync_serial.c
+++ b/arch/cris/arch-v10/drivers/sync_serial.c
@@ -17,7 +17,6 @@
#include <linux/errno.h>
#include <linux/major.h>
#include <linux/sched.h>
-#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/poll.h>
#include <linux/init.h>
diff --git a/arch/cris/arch-v10/kernel/entry.S b/arch/cris/arch-v10/kernel/entry.S
index 2c18d08cd913..0d6420d087fd 100644
--- a/arch/cris/arch-v10/kernel/entry.S
+++ b/arch/cris/arch-v10/kernel/entry.S
@@ -358,7 +358,7 @@ mmu_bus_fault:
1: btstq 12, $r1 ; Refill?
bpl 2f
lsrq 24, $r1 ; Get PGD index (bit 24-31)
- move.d [per_cpu__current_pgd], $r0 ; PGD for the current process
+ move.d [current_pgd], $r0 ; PGD for the current process
move.d [$r0+$r1.d], $r0 ; Get PMD
beq 2f
nop
@@ -692,7 +692,7 @@ sys_call_table:
.long sys_swapon
.long sys_reboot
.long sys_old_readdir
- .long old_mmap /* 90 */
+ .long sys_old_mmap /* 90 */
.long sys_munmap
.long sys_truncate
.long sys_ftruncate
diff --git a/arch/cris/arch-v10/kernel/irq.c b/arch/cris/arch-v10/kernel/irq.c
index 5d75f77f9c73..a0c0df8be9c8 100644
--- a/arch/cris/arch-v10/kernel/irq.c
+++ b/arch/cris/arch-v10/kernel/irq.c
@@ -17,8 +17,8 @@
#include <linux/kernel.h>
#include <linux/init.h>
-#define mask_irq(irq_nr) (*R_VECT_MASK_CLR = 1 << (irq_nr));
-#define unmask_irq(irq_nr) (*R_VECT_MASK_SET = 1 << (irq_nr));
+#define crisv10_mask_irq(irq_nr) (*R_VECT_MASK_CLR = 1 << (irq_nr));
+#define crisv10_unmask_irq(irq_nr) (*R_VECT_MASK_SET = 1 << (irq_nr));
/* don't use set_int_vector, it bypasses the linux interrupt handlers. it is
* global just so that the kernel gdb can use it.
@@ -116,12 +116,12 @@ static unsigned int startup_crisv10_irq(unsigned int irq)
static void enable_crisv10_irq(unsigned int irq)
{
- unmask_irq(irq);
+ crisv10_unmask_irq(irq);
}
static void disable_crisv10_irq(unsigned int irq)
{
- mask_irq(irq);
+ crisv10_mask_irq(irq);
}
static void ack_crisv10_irq(unsigned int irq)
@@ -133,7 +133,7 @@ static void end_crisv10_irq(unsigned int irq)
}
static struct irq_chip crisv10_irq_type = {
- .typename = "CRISv10",
+ .name = "CRISv10",
.startup = startup_crisv10_irq,
.shutdown = shutdown_crisv10_irq,
.enable = enable_crisv10_irq,
diff --git a/arch/cris/arch-v10/kernel/process.c b/arch/cris/arch-v10/kernel/process.c
index c4c69cf721e5..93f0f64b1326 100644
--- a/arch/cris/arch-v10/kernel/process.c
+++ b/arch/cris/arch-v10/kernel/process.c
@@ -11,9 +11,9 @@
*/
#include <linux/sched.h>
+#include <linux/slab.h>
#include <linux/err.h>
#include <linux/fs.h>
-#include <linux/slab.h>
#include <arch/svinto.h>
#include <linux/init.h>
diff --git a/arch/cris/arch-v10/kernel/ptrace.c b/arch/cris/arch-v10/kernel/ptrace.c
index ee505b2eb4db..e70c804e9377 100644
--- a/arch/cris/arch-v10/kernel/ptrace.c
+++ b/arch/cris/arch-v10/kernel/ptrace.c
@@ -127,57 +127,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
ret = 0;
break;
- case PTRACE_SYSCALL:
- case PTRACE_CONT:
- ret = -EIO;
-
- if (!valid_signal(data))
- break;
-
- if (request == PTRACE_SYSCALL) {
- set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
- }
- else {
- clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
- }
-
- child->exit_code = data;
-
- /* TODO: make sure any pending breakpoint is killed */
- wake_up_process(child);
- ret = 0;
-
- break;
-
- /* Make the child exit by sending it a sigkill. */
- case PTRACE_KILL:
- ret = 0;
-
- if (child->exit_state == EXIT_ZOMBIE)
- break;
-
- child->exit_code = SIGKILL;
-
- /* TODO: make sure any pending breakpoint is killed */
- wake_up_process(child);
- break;
-
- /* Set the trap flag. */
- case PTRACE_SINGLESTEP:
- ret = -EIO;
-
- if (!valid_signal(data))
- break;
-
- clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-
- /* TODO: set some clever breakpoint mechanism... */
-
- child->exit_code = data;
- wake_up_process(child);
- ret = 0;
- break;
-
/* Get all GP registers from the child. */
case PTRACE_GETREGS: {
int i;
diff --git a/arch/cris/arch-v10/kernel/time.c b/arch/cris/arch-v10/kernel/time.c
index 31ca1418d5a7..30adae594aef 100644
--- a/arch/cris/arch-v10/kernel/time.c
+++ b/arch/cris/arch-v10/kernel/time.c
@@ -26,7 +26,6 @@
/* it will make jiffies at 96 hz instead of 100 hz though */
#undef USE_CASCADE_TIMERS
-extern void update_xtime_from_cmos(void);
extern int set_rtc_mmss(unsigned long nowtime);
extern int have_rtc;
@@ -188,8 +187,6 @@ stop_watchdog(void)
#endif
}
-/* last time the cmos clock got updated */
-static long last_rtc_update = 0;
/*
* timer_interrupt() needs to keep up the real-time clock,
@@ -232,24 +229,6 @@ timer_interrupt(int irq, void *dev_id)
do_timer(1);
cris_do_profile(regs); /* Save profiling information */
-
- /*
- * If we have an externally synchronized Linux clock, then update
- * CMOS clock accordingly every ~11 minutes. Set_rtc_mmss() has to be
- * called as close as possible to 500 ms before the new second starts.
- *
- * The division here is not time critical since it will run once in
- * 11 minutes
- */
- if (ntp_synced() &&
- xtime.tv_sec > last_rtc_update + 660 &&
- (xtime.tv_nsec / 1000) >= 500000 - (tick_nsec / 1000) / 2 &&
- (xtime.tv_nsec / 1000) <= 500000 + (tick_nsec / 1000) / 2) {
- if (set_rtc_mmss(xtime.tv_sec) == 0)
- last_rtc_update = xtime.tv_sec;
- else
- last_rtc_update = xtime.tv_sec - 600; /* do it again in 60 s */
- }
return IRQ_HANDLED;
}
@@ -274,22 +253,10 @@ time_init(void)
*/
loops_per_usec = 50;
- if(RTC_INIT() < 0) {
- /* no RTC, start at 1980 */
- xtime.tv_sec = 0;
- xtime.tv_nsec = 0;
+ if(RTC_INIT() < 0)
have_rtc = 0;
- } else {
- /* get the current time */
+ else
have_rtc = 1;
- update_xtime_from_cmos();
- }
-
- /*
- * Initialize wall_to_monotonic such that adding it to xtime will yield zero, the
- * tv_nsec field must be normalized (i.e., 0 <= nsec < NSEC_PER_SEC).
- */
- set_normalized_timespec(&wall_to_monotonic, -xtime.tv_sec, -xtime.tv_nsec);
/* Setup the etrax timers
* Base frequency is 25000 hz, divider 250 -> 100 HZ
diff --git a/arch/cris/arch-v10/lib/dmacopy.c b/arch/cris/arch-v10/lib/dmacopy.c
index e5fb44f505c5..49f5b8ca5b47 100644
--- a/arch/cris/arch-v10/lib/dmacopy.c
+++ b/arch/cris/arch-v10/lib/dmacopy.c
@@ -1,5 +1,4 @@
-/* $Id: dmacopy.c,v 1.1 2001/12/17 13:59:27 bjornw Exp $
- *
+/*
* memcpy for large blocks, using memory-memory DMA channels 6 and 7 in Etrax
*/
@@ -13,11 +12,11 @@ void *dma_memcpy(void *pdst,
unsigned int pn)
{
static etrax_dma_descr indma, outdma;
-
- D(printk("dma_memcpy %d bytes... ", pn));
+
+ D(printk(KERN_DEBUG "dma_memcpy %d bytes... ", pn));
#if 0
- *R_GEN_CONFIG = genconfig_shadow =
+ *R_GEN_CONFIG = genconfig_shadow =
(genconfig_shadow & ~0x3c0000) |
IO_STATE(R_GEN_CONFIG, dma6, intdma7) |
IO_STATE(R_GEN_CONFIG, dma7, intdma6);
@@ -32,11 +31,11 @@ void *dma_memcpy(void *pdst,
*R_DMA_CH7_FIRST = &outdma;
*R_DMA_CH6_CMD = IO_STATE(R_DMA_CH6_CMD, cmd, start);
*R_DMA_CH7_CMD = IO_STATE(R_DMA_CH7_CMD, cmd, start);
-
- while(*R_DMA_CH7_CMD == 1) /* wait for completion */ ;
- D(printk("done\n"));
+ while (*R_DMA_CH7_CMD == 1)
+ /* wait for completion */;
+ D(printk(KERN_DEBUG "done\n"));
}
diff --git a/arch/cris/arch-v10/lib/hw_settings.S b/arch/cris/arch-v10/lib/hw_settings.S
index 56905aaa7b6e..c09f19f478a5 100644
--- a/arch/cris/arch-v10/lib/hw_settings.S
+++ b/arch/cris/arch-v10/lib/hw_settings.S
@@ -1,13 +1,11 @@
/*
- * $Id: hw_settings.S,v 1.1 2001/12/17 13:59:27 bjornw Exp $
- *
* This table is used by some tools to extract hardware parameters.
* The table should be included in the kernel and the decompressor.
* Don't forget to update the tools if you change this table.
*
* Copyright (C) 2001 Axis Communications AB
*
- * Authors: Mikael Starvik (starvik@axis.com)
+ * Authors: Mikael Starvik (starvik@axis.com)
*/
#define PA_SET_VALUE ((CONFIG_ETRAX_DEF_R_PORT_PA_DIR << 8) | \
@@ -15,13 +13,13 @@
#define PB_SET_VALUE ((CONFIG_ETRAX_DEF_R_PORT_PB_CONFIG << 16) | \
(CONFIG_ETRAX_DEF_R_PORT_PB_DIR << 8) | \
(CONFIG_ETRAX_DEF_R_PORT_PB_DATA))
-
+
.ascii "HW_PARAM_MAGIC" ; Magic number
.dword 0xc0004000 ; Kernel start address
; Debug port
#ifdef CONFIG_ETRAX_DEBUG_PORT0
- .dword 0
+ .dword 0
#elif defined(CONFIG_ETRAX_DEBUG_PORT1)
.dword 1
#elif defined(CONFIG_ETRAX_DEBUG_PORT2)
@@ -30,7 +28,7 @@
.dword 3
#else
.dword 4 ; No debug
-#endif
+#endif
; SDRAM or EDO DRAM?
#ifdef CONFIG_ETRAX_SDRAM
@@ -39,7 +37,7 @@
.dword 0
#endif
- ; Register values
+ ; Register values
.dword R_WAITSTATES
.dword CONFIG_ETRAX_DEF_R_WAITSTATES
.dword R_BUS_CONFIG
@@ -56,7 +54,7 @@
.dword CONFIG_ETRAX_DEF_R_DRAM_TIMING
#endif
.dword R_PORT_PA_SET
- .dword PA_SET_VALUE
+ .dword PA_SET_VALUE
.dword R_PORT_PB_SET
.dword PB_SET_VALUE
.dword 0 ; No more register values
diff --git a/arch/cris/arch-v10/lib/old_checksum.c b/arch/cris/arch-v10/lib/old_checksum.c
index 1734b467efa6..8f79163f1394 100644
--- a/arch/cris/arch-v10/lib/old_checksum.c
+++ b/arch/cris/arch-v10/lib/old_checksum.c
@@ -77,7 +77,7 @@ __wsum csum_partial(const void *p, int len, __wsum __sum)
sum += *buff++;
if (endMarker > buff)
- sum += *(const u8 *)buff; /* add extra byte seperately */
+ sum += *(const u8 *)buff; /* add extra byte separately */
BITOFF;
return (__force __wsum)sum;
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-26 08:51:45 +0300