diff options
Diffstat (limited to 'arch/cris')
28 files changed, 311 insertions, 906 deletions
diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig index c59a01dd9c0..8769a9045a5 100644 --- a/arch/cris/Kconfig +++ b/arch/cris/Kconfig @@ -43,6 +43,7 @@ config CRIS select GENERIC_ATOMIC64 select HAVE_GENERIC_HARDIRQS select HAVE_UID16 + select VIRT_TO_BUS select ARCH_WANT_IPC_PARSE_VERSION select GENERIC_IRQ_SHOW select GENERIC_IOMAP @@ -50,6 +51,8 @@ config CRIS select GENERIC_CMOS_UPDATE select MODULES_USE_ELF_RELA select CLONE_BACKWARDS2 + select OLD_SIGSUSPEND + select OLD_SIGACTION config HZ int @@ -261,7 +264,6 @@ config ETRAX_AXISFLASHMAP select MTD_CFI select MTD_CFI_AMDSTD select MTD_JEDECPROBE if ETRAX_ARCH_V32 - select MTD_CHAR select MTD_BLOCK select MTD_COMPLEX_MAPPINGS help diff --git a/arch/cris/arch-v10/drivers/sync_serial.c b/arch/cris/arch-v10/drivers/sync_serial.c index c4b71710fb0..a1c498d18d3 100644 --- a/arch/cris/arch-v10/drivers/sync_serial.c +++ b/arch/cris/arch-v10/drivers/sync_serial.c @@ -654,7 +654,7 @@ static int sync_serial_release(struct inode *inode, struct file *file) static unsigned int sync_serial_poll(struct file *file, poll_table *wait) { - int dev = MINOR(file->f_dentry->d_inode->i_rdev); + int dev = MINOR(file_inode(file)->i_rdev); unsigned int mask = 0; struct sync_port *port; DEBUGPOLL(static unsigned int prev_mask = 0); @@ -685,7 +685,7 @@ static int sync_serial_ioctl_unlocked(struct file *file, int return_val = 0; unsigned long flags; - int dev = MINOR(file->f_dentry->d_inode->i_rdev); + int dev = MINOR(file_inode(file)->i_rdev); struct sync_port *port; if (dev < 0 || dev >= NUMBER_OF_PORTS || !ports[dev].enabled) { @@ -973,7 +973,7 @@ static long sync_serial_ioctl(struct file *file, static ssize_t sync_serial_write(struct file *file, const char *buf, size_t count, loff_t *ppos) { - int dev = MINOR(file->f_dentry->d_inode->i_rdev); + int dev = MINOR(file_inode(file)->i_rdev); DECLARE_WAITQUEUE(wait, current); struct sync_port *port; unsigned long flags; @@ -1097,7 +1097,7 @@ static ssize_t sync_serial_write(struct file *file, const char *buf, static ssize_t sync_serial_read(struct file *file, char *buf, size_t count, loff_t *ppos) { - int dev = MINOR(file->f_dentry->d_inode->i_rdev); + int dev = MINOR(file_inode(file)->i_rdev); int avail; struct sync_port *port; unsigned char *start; diff --git a/arch/cris/arch-v10/kernel/fasttimer.c b/arch/cris/arch-v10/kernel/fasttimer.c index 082f1890bac..48a59afbeeb 100644 --- a/arch/cris/arch-v10/kernel/fasttimer.c +++ b/arch/cris/arch-v10/kernel/fasttimer.c @@ -25,6 +25,7 @@ #include <arch/svinto.h> #include <asm/fasttimer.h> #include <linux/proc_fs.h> +#include <linux/seq_file.h> #define DEBUG_LOG_INCLUDED @@ -489,197 +490,162 @@ void schedule_usleep(unsigned long us) } #ifdef CONFIG_PROC_FS -static int proc_fasttimer_read(char *buf, char **start, off_t offset, int len - ,int *eof, void *data_unused); -static struct proc_dir_entry *fasttimer_proc_entry; -#endif /* CONFIG_PROC_FS */ - -#ifdef CONFIG_PROC_FS - /* This value is very much based on testing */ #define BIG_BUF_SIZE (500 + NUM_TIMER_STATS * 300) -static int proc_fasttimer_read(char *buf, char **start, off_t offset, int len - ,int *eof, void *data_unused) +static int proc_fasttimer_show(struct seq_file *m, void *v) { - unsigned long flags; - int i = 0; - int num_to_show; + unsigned long flags; + int i = 0; + int num_to_show; struct fasttime_t tv; - struct fast_timer *t, *nextt; - static char *bigbuf = NULL; - static unsigned long used; + struct fast_timer *t, *nextt; - if (!bigbuf && !(bigbuf = vmalloc(BIG_BUF_SIZE))) - { - used = 0; - if (buf) - buf[0] = '\0'; - return 0; - } + do_gettimeofday_fast(&tv); - if (!offset || !used) - { - do_gettimeofday_fast(&tv); - - used = 0; - used += sprintf(bigbuf + used, "Fast timers added: %i\n", - fast_timers_added); - used += sprintf(bigbuf + used, "Fast timers started: %i\n", - fast_timers_started); - used += sprintf(bigbuf + used, "Fast timer interrupts: %i\n", - fast_timer_ints); - used += sprintf(bigbuf + used, "Fast timers expired: %i\n", - fast_timers_expired); - used += sprintf(bigbuf + used, "Fast timers deleted: %i\n", - fast_timers_deleted); - used += sprintf(bigbuf + used, "Fast timer running: %s\n", - fast_timer_running ? "yes" : "no"); - used += sprintf(bigbuf + used, "Current time: %lu.%06lu\n", - (unsigned long)tv.tv_jiff, - (unsigned long)tv.tv_usec); + seq_printf(m, "Fast timers added: %i\n", fast_timers_added); + seq_printf(m, "Fast timers started: %i\n", fast_timers_started); + seq_printf(m, "Fast timer interrupts: %i\n", fast_timer_ints); + seq_printf(m, "Fast timers expired: %i\n", fast_timers_expired); + seq_printf(m, "Fast timers deleted: %i\n", fast_timers_deleted); + seq_printf(m, "Fast timer running: %s\n", + fast_timer_running ? "yes" : "no"); + seq_printf(m, "Current time: %lu.%06lu\n", + (unsigned long)tv.tv_jiff, + (unsigned long)tv.tv_usec); #ifdef FAST_TIMER_SANITY_CHECKS - used += sprintf(bigbuf + used, "Sanity failed: %i\n", - sanity_failed); + seq_printf(m, "Sanity failed: %i\n", sanity_failed); #endif - used += sprintf(bigbuf + used, "\n"); + seq_putc(m, '\n'); #ifdef DEBUG_LOG_INCLUDED - { - int end_i = debug_log_cnt; - i = 0; + { + int end_i = debug_log_cnt; + i = 0; - if (debug_log_cnt_wrapped) - { - i = debug_log_cnt; - } + if (debug_log_cnt_wrapped) + i = debug_log_cnt; - while ((i != end_i || (debug_log_cnt_wrapped && !used)) && - used+100 < BIG_BUF_SIZE) - { - used += sprintf(bigbuf + used, debug_log_string[i], - debug_log_value[i]); - i = (i+1) % DEBUG_LOG_MAX; - } - } - used += sprintf(bigbuf + used, "\n"); + while (i != end_i || debug_log_cnt_wrapped) { + if (seq_printf(m, debug_log_string[i], debug_log_value[i]) < 0) + return 0; + i = (i+1) % DEBUG_LOG_MAX; + } + } + seq_putc(m, '\n'); #endif - num_to_show = (fast_timers_started < NUM_TIMER_STATS ? fast_timers_started: - NUM_TIMER_STATS); - used += sprintf(bigbuf + used, "Timers started: %i\n", fast_timers_started); - for (i = 0; i < num_to_show && (used+100 < BIG_BUF_SIZE) ; i++) - { - int cur = (fast_timers_started - i - 1) % NUM_TIMER_STATS; + num_to_show = (fast_timers_started < NUM_TIMER_STATS ? fast_timers_started: + NUM_TIMER_STATS); + seq_printf(m, "Timers started: %i\n", fast_timers_started); + for (i = 0; i < num_to_show; i++) { + int cur = (fast_timers_started - i - 1) % NUM_TIMER_STATS; #if 1 //ndef FAST_TIMER_LOG - used += sprintf(bigbuf + used, "div: %i freq: %i delay: %i" - "\n", - timer_div_settings[cur], - timer_freq_settings[cur], - timer_delay_settings[cur] - ); + seq_printf(m, "div: %i freq: %i delay: %i" + "\n", + timer_div_settings[cur], + timer_freq_settings[cur], + timer_delay_settings[cur]); #endif #ifdef FAST_TIMER_LOG - t = &timer_started_log[cur]; - used += sprintf(bigbuf + used, "%-14s s: %6lu.%06lu e: %6lu.%06lu " - "d: %6li us data: 0x%08lX" - "\n", - t->name, - (unsigned long)t->tv_set.tv_jiff, - (unsigned long)t->tv_set.tv_usec, - (unsigned long)t->tv_expires.tv_jiff, - (unsigned long)t->tv_expires.tv_usec, - t->delay_us, - t->data - ); + t = &timer_started_log[cur]; + if (seq_printf(m, "%-14s s: %6lu.%06lu e: %6lu.%06lu " + "d: %6li us data: 0x%08lX" + "\n", + t->name, + (unsigned long)t->tv_set.tv_jiff, + (unsigned long)t->tv_set.tv_usec, + (unsigned long)t->tv_expires.tv_jiff, + (unsigned long)t->tv_expires.tv_usec, + t->delay_us, + t->data) < 0) + return 0; #endif - } - used += sprintf(bigbuf + used, "\n"); + } + seq_putc(m, '\n'); #ifdef FAST_TIMER_LOG - num_to_show = (fast_timers_added < NUM_TIMER_STATS ? fast_timers_added: - NUM_TIMER_STATS); - used += sprintf(bigbuf + used, "Timers added: %i\n", fast_timers_added); - for (i = 0; i < num_to_show && (used+100 < BIG_BUF_SIZE); i++) - { - t = &timer_added_log[(fast_timers_added - i - 1) % NUM_TIMER_STATS]; - used += sprintf(bigbuf + used, "%-14s s: %6lu.%06lu e: %6lu.%06lu " - "d: %6li us data: 0x%08lX" - "\n", - t->name, - (unsigned long)t->tv_set.tv_jiff, - (unsigned long)t->tv_set.tv_usec, - (unsigned long)t->tv_expires.tv_jiff, - (unsigned long)t->tv_expires.tv_usec, - t->delay_us, - t->data - ); - } - used += sprintf(bigbuf + used, "\n"); + num_to_show = (fast_timers_added < NUM_TIMER_STATS ? fast_timers_added: + NUM_TIMER_STATS); + seq_printf(m, "Timers added: %i\n", fast_timers_added); + for (i = 0; i < num_to_show; i++) { + t = &timer_added_log[(fast_timers_added - i - 1) % NUM_TIMER_STATS]; + if (seq_printf(m, "%-14s s: %6lu.%06lu e: %6lu.%06lu " + "d: %6li us data: 0x%08lX" + "\n", + t->name, + (unsigned long)t->tv_set.tv_jiff, + (unsigned long)t->tv_set.tv_usec, + (unsigned long)t->tv_expires.tv_jiff, + (unsigned long)t->tv_expires.tv_usec, + t->delay_us, + t->data) < 0) + return 0; + } + seq_putc(m, '\n'); - num_to_show = (fast_timers_expired < NUM_TIMER_STATS ? fast_timers_expired: - NUM_TIMER_STATS); - used += sprintf(bigbuf + used, "Timers expired: %i\n", fast_timers_expired); - for (i = 0; i < num_to_show && (used+100 < BIG_BUF_SIZE); i++) - { - t = &timer_expired_log[(fast_timers_expired - i - 1) % NUM_TIMER_STATS]; - used += sprintf(bigbuf + used, "%-14s s: %6lu.%06lu e: %6lu.%06lu " - "d: %6li us data: 0x%08lX" - "\n", - t->name, - (unsigned long)t->tv_set.tv_jiff, - (unsigned long)t->tv_set.tv_usec, - (unsigned long)t->tv_expires.tv_jiff, - (unsigned long)t->tv_expires.tv_usec, - t->delay_us, - t->data - ); - } - used += sprintf(bigbuf + used, "\n"); + num_to_show = (fast_timers_expired < NUM_TIMER_STATS ? fast_timers_expired: + NUM_TIMER_STATS); + seq_printf(m, "Timers expired: %i\n", fast_timers_expired); + for (i = 0; i < num_to_show; i++) { + t = &timer_expired_log[(fast_timers_expired - i - 1) % NUM_TIMER_STATS]; + if (seq_printf(m, "%-14s s: %6lu.%06lu e: %6lu.%06lu " + "d: %6li us data: 0x%08lX" + "\n", + t->name, + (unsigned long)t->tv_set.tv_jiff, + (unsigned long)t->tv_set.tv_usec, + (unsigned long)t->tv_expires.tv_jiff, + (unsigned long)t->tv_expires.tv_usec, + t->delay_us, + t->data) < 0) + return 0; + } + seq_putc(m, '\n'); #endif - used += sprintf(bigbuf + used, "Active timers:\n"); - local_irq_save(flags); - t = fast_timer_list; - while (t != NULL && (used+100 < BIG_BUF_SIZE)) - { - nextt = t->next; - local_irq_restore(flags); - used += sprintf(bigbuf + used, "%-14s s: %6lu.%06lu e: %6lu.%06lu " - "d: %6li us data: 0x%08lX" + seq_puts(m, "Active timers:\n"); + local_irq_save(flags); + t = fast_timer_list; + while (t) { + nextt = t->next; + local_irq_restore(flags); + if (seq_printf(m, "%-14s s: %6lu.%06lu e: %6lu.%06lu " + "d: %6li us data: 0x%08lX" /* " func: 0x%08lX" */ - "\n", - t->name, - (unsigned long)t->tv_set.tv_jiff, - (unsigned long)t->tv_set.tv_usec, - (unsigned long)t->tv_expires.tv_jiff, - (unsigned long)t->tv_expires.tv_usec, - t->delay_us, - t->data + "\n", + t->name, + (unsigned long)t->tv_set.tv_jiff, + (unsigned long)t->tv_set.tv_usec, + (unsigned long)t->tv_expires.tv_jiff, + (unsigned long)t->tv_expires.tv_usec, + t->delay_us, + t->data /* , t->function */ - ); - local_irq_save(flags); - if (t->next != nextt) - { - printk(KERN_WARNING "timer removed!\n"); - } - t = nextt; - } - local_irq_restore(flags); - } - - if (used - offset < len) - { - len = used - offset; - } + ) < 0) + return 0; + local_irq_save(flags); + if (t->next != nextt) + printk(KERN_WARNING "timer removed!\n"); + t = nextt; + } + local_irq_restore(flags); - memcpy(buf, bigbuf + offset, len); - *start = buf; - *eof = 1; + return 0; +} - return len; +static int proc_fasttimer_open(struct inode *inode, struct file *file) +{ + return single_open_size(file, proc_fasttimer_show, PDE_DATA(inode), BIG_BUF_SIZE); } + +static const struct file_operations proc_fasttimer_fops = { + .open = proc_fasttimer_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; #endif /* PROC_FS */ #ifdef FAST_TIMER_TEST @@ -857,8 +823,7 @@ int fast_timer_init(void) } #endif #ifdef CONFIG_PROC_FS - if ((fasttimer_proc_entry = create_proc_entry( "fasttimer", 0, 0 ))) - fasttimer_proc_entry->read_proc = proc_fasttimer_read; + proc_create("fasttimer", 0, NULL, &proc_fasttimer_fops); #endif /* PROC_FS */ if(request_irq(TIMER1_IRQ_NBR, timer1_handler, 0, "fast timer int", NULL)) diff --git a/arch/cris/arch-v10/kernel/process.c b/arch/cris/arch-v10/kernel/process.c index b1018750cff..753e9a03cf8 100644 --- a/arch/cris/arch-v10/kernel/process.c +++ b/arch/cris/arch-v10/kernel/process.c @@ -30,8 +30,9 @@ void etrax_gpio_wake_up_check(void); /* drivers/gpio.c */ void default_idle(void) { #ifdef CONFIG_ETRAX_GPIO - etrax_gpio_wake_up_check(); + etrax_gpio_wake_up_check(); #endif + local_irq_enable(); } /* @@ -175,6 +176,9 @@ unsigned long get_wchan(struct task_struct *p) void show_regs(struct pt_regs * regs) { unsigned long usp = rdusp(); + + show_regs_print_info(KERN_DEFAULT); + printk("IRP: %08lx SRP: %08lx DCCR: %08lx USP: %08lx MOF: %08lx\n", regs->irp, regs->srp, regs->dccr, usp, regs->mof ); printk(" r0: %08lx r1: %08lx r2: %08lx r3: %08lx\n", diff --git a/arch/cris/arch-v10/kernel/signal.c b/arch/cris/arch-v10/kernel/signal.c index 0bb477c13a4..61ce6273a89 100644 --- a/arch/cris/arch-v10/kernel/signal.c +++ b/arch/cris/arch-v10/kernel/signal.c @@ -42,55 +42,6 @@ void do_signal(int canrestart, struct pt_regs *regs); /* - * Atomically swap in the new signal mask, and wait for a signal. Define - * dummy arguments to be able to reach the regs argument. (Note that this - * arrangement relies on old_sigset_t occupying one register.) - */ -int sys_sigsuspend(old_sigset_t mask) -{ - sigset_t blocked; - siginitset(&blocked, mask); - return sigsuspend(&blocked); -} - -int sys_sigaction(int sig, const struct old_sigaction __user *act, - struct old_sigaction *oact) -{ - struct k_sigaction new_ka, old_ka; - int ret; - - if (act) { - old_sigset_t mask; - if (!access_ok(VERIFY_READ, act, sizeof(*act)) || - __get_user(new_ka.sa.sa_handler, &act->sa_handler) || - __get_user(new_ka.sa.sa_restorer, &act->sa_restorer) || - __get_user(new_ka.sa.sa_flags, &act->sa_flags) || - __get_user(mask, &act->sa_mask)) - return -EFAULT; - siginitset(&new_ka.sa.sa_mask, mask); - } - - ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); - - if (!ret && oact) { - if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) || - __put_user(old_ka.sa.sa_handler, &oact->sa_handler) || - __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) || - __put_user(old_ka.sa.sa_flags, &oact->sa_flags) || - __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask)) - return -EFAULT; - } - - return ret; -} - -int sys_sigaltstack(const stack_t *uss, stack_t __user *uoss) -{ - return do_sigaltstack(uss, uoss, rdusp()); -} - - -/* * Do a signal return; undo the signal stack. */ @@ -150,11 +101,9 @@ badframe: return 1; } -/* Define dummy arguments to be able to reach the regs argument. */ - -asmlinkage int sys_sigreturn(long r10, long r11, long r12, long r13, long mof, - long srp, struct pt_regs *regs) +asmlinkage int sys_sigreturn(void) { + struct pt_regs *regs = current_pt_regs(); struct sigframe __user *frame = (struct sigframe *)rdusp(); sigset_t set; @@ -188,11 +137,9 @@ badframe: return 0; } -/* Define dummy arguments to be able to reach the regs argument. */ - -asmlinkage int sys_rt_sigreturn(long r10, long r11, long r12, long r13, - long mof, long srp, struct pt_regs *regs) +asmlinkage int sys_rt_sigreturn(void) { + struct pt_regs *regs = current_pt_regs(); struct rt_sigframe __user *frame = (struct rt_sigframe *)rdusp(); sigset_t set; @@ -214,7 +161,7 @@ asmlinkage int sys_rt_sigreturn(long r10, long r11, long r12, long r13, if (restore_sigcontext(regs, &frame->uc.uc_mcontext)) goto badframe; - if (do_sigaltstack(&frame->uc.uc_stack, NULL, rdusp()) == -EFAULT) + if (restore_altstack(&frame->uc.uc_stack)) goto badframe; return regs->r10; @@ -362,6 +309,8 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set)); + err |= __save_altstack(&frame->uc.uc_stack, rdusp()); + if (err) goto give_sigsegv; diff --git a/arch/cris/arch-v10/kernel/time.c b/arch/cris/arch-v10/kernel/time.c index bcffcb6a941..fce7c541d70 100644 --- a/arch/cris/arch-v10/kernel/time.c +++ b/arch/cris/arch-v10/kernel/time.c @@ -55,9 +55,9 @@ unsigned long get_ns_in_jiffie(void) return ns; } -unsigned long do_slow_gettimeoffset(void) +static u32 cris_v10_gettimeoffset(void) { - unsigned long count; + u32 count; /* The timer interrupt comes from Etrax timer 0. In order to get * better precision, we check the current value. It might have @@ -65,8 +65,8 @@ unsigned long do_slow_gettimeoffset(void) */ count = *R_TIMER0_DATA; - /* Convert timer value to usec */ - return (TIMER0_DIV - count) * ((NSEC_PER_SEC/1000)/HZ)/TIMER0_DIV; + /* Convert timer value to nsec */ + return (TIMER0_DIV - count) * (NSEC_PER_SEC/HZ)/TIMER0_DIV; } /* Excerpt from the Etrax100 HSDD about the built-in watchdog: @@ -191,6 +191,8 @@ static struct irqaction irq2 = { void __init time_init(void) { + arch_gettimeoffset = cris_v10_gettimeoffset; + /* probe for the RTC and read it if it exists * Before the RTC can be probed the loops_per_usec variable needs * to be initialized to make usleep work. A better value for diff --git a/arch/cris/arch-v32/drivers/Kconfig b/arch/cris/arch-v32/drivers/Kconfig index de43aadcdbc..c55971a40c3 100644 --- a/arch/cris/arch-v32/drivers/Kconfig +++ b/arch/cris/arch-v32/drivers/Kconfig @@ -404,7 +404,6 @@ config ETRAX_AXISFLASHMAP select MTD_CFI select MTD_CFI_AMDSTD select MTD_JEDECPROBE - select MTD_CHAR select MTD_BLOCK select MTD_COMPLEX_MAPPINGS help @@ -680,7 +679,7 @@ config ETRAX_SPI_MMC_BOARD config SPI_ETRAX_SSER tristate - depends on SPI_MASTER && ETRAX_ARCH_V32 && EXPERIMENTAL + depends on SPI_MASTER && ETRAX_ARCH_V32 select SPI_BITBANG help This enables using an synchronous serial (sser) port as a @@ -689,7 +688,7 @@ config SPI_ETRAX_SSER config SPI_ETRAX_GPIO tristate - depends on SPI_MASTER && ETRAX_ARCH_V32 && EXPERIMENTAL + depends on SPI_MASTER && ETRAX_ARCH_V32 select SPI_BITBANG help This enables using GPIO pins port as a SPI master controller diff --git a/arch/cris/arch-v32/drivers/cryptocop.c b/arch/cris/arch-v32/drivers/cryptocop.c index f8476d9e856..877da190823 100644 --- a/arch/cris/arch-v32/drivers/cryptocop.c +++ b/arch/cris/arch-v32/drivers/cryptocop.c @@ -3135,11 +3135,10 @@ static long cryptocop_ioctl_unlocked(struct inode *inode, static long cryptocop_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { - struct inode *inode = file->f_path.dentry->d_inode; long ret; mutex_lock(&cryptocop_mutex); - ret = cryptocop_ioctl_unlocked(inode, filp, cmd, arg); + ret = cryptocop_ioctl_unlocked(file_inode(filp), filp, cmd, arg); mutex_unlock(&cryptocop_mutex); return ret; diff --git a/arch/cris/arch-v32/drivers/sync_serial.c b/arch/cris/arch-v32/drivers/sync_serial.c index a6a180bc566..219f704e322 100644 --- a/arch/cris/arch-v32/drivers/sync_serial.c +++ b/arch/cris/arch-v32/drivers/sync_serial.c @@ -609,7 +609,7 @@ static int sync_serial_release(struct inode *inode, struct file *file) static unsigned int sync_serial_poll(struct file *file, poll_table *wait) { - int dev = iminor(file->f_path.dentry->d_inode); + int dev = iminor(file_inode(file)); unsigned int mask = 0; sync_port *port; DEBUGPOLL( static unsigned int prev_mask = 0; ); @@ -657,7 +657,7 @@ static int sync_serial_ioctl(struct file *file, { int return_val = 0; int dma_w_size = regk_dma_set_w_size1; - int dev = iminor(file->f_path.dentry->d_inode); + int dev = iminor(file_inode(file)); sync_port *port; reg_sser_rw_tr_cfg tr_cfg; reg_sser_rw_rec_cfg rec_cfg; @@ -979,7 +979,7 @@ static long sync_serial_ioctl(struct file *file, static ssize_t sync_serial_write(struct file *file, const char *buf, size_t count, loff_t *ppos) { - int dev = iminor(file->f_path.dentry->d_inode); + int dev = iminor(file_inode(file)); DECLARE_WAITQUEUE(wait, current); struct sync_port *port; int trunc_count; @@ -1102,7 +1102,7 @@ static ssize_t sync_serial_write(struct file *file, const char *buf, static ssize_t sync_serial_read(struct file * file, char * buf, size_t count, loff_t *ppos) { - int dev = iminor(file->f_path.dentry->d_inode); + int dev = iminor(file_inode(file)); int avail; sync_port *port; unsigned char* start; diff --git a/arch/cris/arch-v32/kernel/fasttimer.c b/arch/cris/arch-v32/kernel/fasttimer.c index ab1551ee43c..f6644535b17 100644 --- a/arch/cris/arch-v32/kernel/fasttimer.c +++ b/arch/cris/arch-v32/kernel/fasttimer.c @@ -23,6 +23,7 @@ #include <hwregs/timer_defs.h> #include <asm/fasttimer.h> #include <linux/proc_fs.h> +#include <linux/seq_file.h> /* * timer0 is running at 100MHz and generating jiffies timer ticks @@ -463,195 +464,161 @@ void schedule_usleep(unsigned long us) } #ifdef CONFIG_PROC_FS -static int proc_fasttimer_read(char *buf, char **start, off_t offset, int len - ,int *eof, void *data_unused); -static struct proc_dir_entry *fasttimer_proc_entry; -#endif /* CONFIG_PROC_FS */ - -#ifdef CONFIG_PROC_FS - /* This value is very much based on testing */ #define BIG_BUF_SIZE (500 + NUM_TIMER_STATS * 300) -static int proc_fasttimer_read(char *buf, char **start, off_t offset, int len - ,int *eof, void *data_unused) +static int proc_fasttimer_show(struct seq_file *m, void *v) { - unsigned long flags; - int i = 0; - int num_to_show; + unsigned long flags; + int i = 0; + int num_to_show; struct fasttime_t tv; - struct fast_timer *t, *nextt; - static char *bigbuf = NULL; - static unsigned long used; - - if (!bigbuf) { - bigbuf = vmalloc(BIG_BUF_SIZE); - if (!bigbuf) { - used = 0; - if (buf) - buf[0] = '\0'; - return 0; - } - } + struct fast_timer *t, *nextt; - if (!offset || !used) { - do_gettimeofday_fast(&tv); + do_gettimeofday_fast(&tv); - used = 0; - used += sprintf(bigbuf + used, "Fast timers added: %i\n", - fast_timers_added); - used += sprintf(bigbuf + used, "Fast timers started: %i\n", - fast_timers_started); - used += sprintf(bigbuf + used, "Fast timer interrupts: %i\n", - fast_timer_ints); - used += sprintf(bigbuf + used, "Fast timers expired: %i\n", - fast_timers_expired); - used += sprintf(bigbuf + used, "Fast timers deleted: %i\n", - fast_timers_deleted); - used += sprintf(bigbuf + used, "Fast timer running: %s\n", - fast_timer_running ? "yes" : "no"); - used += sprintf(bigbuf + used, "Current time: %lu.%06lu\n", - (unsigned long)tv.tv_jiff, - (unsigned long)tv.tv_usec); + seq_printf(m, "Fast timers added: %i\n", fast_timers_added); + seq_printf(m, "Fast timers started: %i\n", fast_timers_started); + seq_printf(m, "Fast timer interrupts: %i\n", fast_timer_ints); + seq_printf(m, "Fast timers expired: %i\n", fast_timers_expired); + seq_printf(m, "Fast timers deleted: %i\n", fast_timers_deleted); + seq_printf(m, "Fast timer running: %s\n", + fast_timer_running ? "yes" : "no"); + seq_printf(m, "Current time: %lu.%06lu\n", + (unsigned long)tv.tv_jiff, + (unsigned long)tv.tv_usec); #ifdef FAST_TIMER_SANITY_CHECKS - used += sprintf(bigbuf + used, "Sanity failed: %i\n", - sanity_failed); + seq_printf(m, "Sanity failed: %i\n", sanity_failed); #endif - used += sprintf(bigbuf + used, "\n"); + seq_putc(m, '\n'); #ifdef DEBUG_LOG_INCLUDED - { - int end_i = debug_log_cnt; - i = 0; + { + int end_i = debug_log_cnt; + i = 0; - if (debug_log_cnt_wrapped) - i = debug_log_cnt; + if (debug_log_cnt_wrapped) + i = debug_log_cnt; - while ((i != end_i || (debug_log_cnt_wrapped && !used)) && - used+100 < BIG_BUF_SIZE) - { - used += sprintf(bigbuf + used, debug_log_string[i], - debug_log_value[i]); - i = (i+1) % DEBUG_LOG_MAX; - } - } - used += sprintf(bigbuf + used, "\n"); + while ((i != end_i || debug_log_cnt_wrapped)) { + if (seq_printf(m, debug_log_string[i], debug_log_value[i]) < 0) + return 0; + i = (i+1) % DEBUG_LOG_MAX; + } + } + seq_putc(m, '\n'); #endif - num_to_show = (fast_timers_started < NUM_TIMER_STATS ? fast_timers_started: - NUM_TIMER_STATS); - used += sprintf(bigbuf + used, "Timers started: %i\n", fast_timers_started); - for (i = 0; i < num_to_show && (used+100 < BIG_BUF_SIZE) ; i++) - { - int cur = (fast_timers_started - i - 1) % NUM_TIMER_STATS; + num_to_show = (fast_timers_started < NUM_TIMER_STATS ? fast_timers_started: + NUM_TIMER_STATS); + seq_printf(m, "Timers started: %i\n", fast_timers_started); + for (i = 0; i < num_to_show; i++) { + int cur = (fast_timers_started - i - 1) % NUM_TIMER_STATS; #if 1 //ndef FAST_TIMER_LOG - used += sprintf(bigbuf + used, "div: %i delay: %i" - "\n", - timer_div_settings[cur], - timer_delay_settings[cur] - ); + seq_printf(m, "div: %i delay: %i" + "\n", + timer_div_settings[cur], + timer_delay_settings[cur]); #endif #ifdef FAST_TIMER_LOG - t = &timer_started_log[cur]; - used += sprintf(bigbuf + used, "%-14s s: %6lu.%06lu e: %6lu.%06lu " - "d: %6li us data: 0x%08lX" - "\n", - t->name, - (unsigned long)t->tv_set.tv_jiff, - (unsigned long)t->tv_set.tv_usec, - (unsigned long)t->tv_expires.tv_jiff, - (unsigned long)t->tv_expires.tv_usec, - t->delay_us, - t->data - ); + t = &timer_started_log[cur]; + if (seq_printf(m, "%-14s s: %6lu.%06lu e: %6lu.%06lu " + "d: %6li us data: 0x%08lX" + "\n", + t->name, + (unsigned long)t->tv_set.tv_jiff, + (unsigned long)t->tv_set.tv_usec, + (unsigned long)t->tv_expires.tv_jiff, + (unsigned long)t->tv_expires.tv_usec, + t->delay_us, + t->data) < 0) + return 0; #endif - } - used += sprintf(bigbuf + used, "\n"); + } + seq_putc(m, '\n'); #ifdef FAST_TIMER_LOG - num_to_show = (fast_timers_added < NUM_TIMER_STATS ? fast_timers_added: - NUM_TIMER_STATS); - used += sprintf(bigbuf + used, "Timers added: %i\n", fast_timers_added); - for (i = 0; i < num_to_show && (used+100 < BIG_BUF_SIZE); i++) - { - t = &timer_added_log[(fast_timers_added - i - 1) % NUM_TIMER_STATS]; - used += sprintf(bigbuf + used, "%-14s s: %6lu.%06lu e: %6lu.%06lu " - "d: %6li us data: 0x%08lX" - "\n", - t->name, - (unsigned long)t->tv_set.tv_jiff, - (unsigned long)t->tv_set.tv_usec, - (unsigned long)t->tv_expires.tv_jiff, - (unsigned long)t->tv_expires.tv_usec, - t->delay_us, - t->data - ); - } - used += sprintf(bigbuf + used, "\n"); + num_to_show = (fast_timers_added < NUM_TIMER_STATS ? fast_timers_added: + NUM_TIMER_STATS); + seq_printf(m, "Timers added: %i\n", fast_timers_added); + for (i = 0; i < num_to_show; i++) { + t = &timer_added_log[(fast_timers_added - i - 1) % NUM_TIMER_STATS]; + if (seq_printf(m, "%-14s s: %6lu.%06lu e: %6lu.%06lu " + "d: %6li us data: 0x%08lX" + "\n", + t->name, + (unsigned long)t->tv_set.tv_jiff, + (unsigned long)t->tv_set.tv_usec, + (unsigned long)t->tv_expires.tv_jiff, + (unsigned long)t->tv_expires.tv_usec, + t->delay_us, + t->data) < 0) + return 0; + } + seq_putc(m, '\n'); - num_to_show = (fast_timers_expired < NUM_TIMER_STATS ? fast_timers_expired: - NUM_TIMER_STATS); - used += sprintf(bigbuf + used, "Timers expired: %i\n", fast_timers_expired); - for (i = 0; i < num_to_show && (used+100 < BIG_BUF_SIZE); i++) - { - t = &timer_expired_log[(fast_timers_expired - i - 1) % NUM_TIMER_STATS]; - used += sprintf(bigbuf + used, "%-14s s: %6lu.%06lu e: %6lu.%06lu " - "d: %6li us data: 0x%08lX" - "\n", - t->name, - (unsigned long)t->tv_set.tv_jiff, - (unsigned long)t->tv_set.tv_usec, - (unsigned long)t->tv_expires.tv_jiff, - (unsigned long)t->tv_expires.tv_usec, - t->delay_us, - t->data - ); - } - used += sprintf(bigbuf + used, "\n"); + num_to_show = (fast_timers_expired < NUM_TIMER_STATS ? fast_timers_expired: + NUM_TIMER_STATS); + seq_printf(m, "Timers expired: %i\n", fast_timers_expired); + for (i = 0; i < num_to_show; i++){ + t = &timer_expired_log[(fast_timers_expired - i - 1) % NUM_TIMER_STATS]; + if (seq_printf(m, "%-14s s: %6lu.%06lu e: %6lu.%06lu " + "d: %6li us data: 0x%08lX" + "\n", + t->name, + (unsigned long)t->tv_set.tv_jiff, + (unsigned long)t->tv_set.tv_usec, + (unsigned long)t->tv_expires.tv_jiff, + (unsigned long)t->tv_expires.tv_usec, + t->delay_us, + t->data) < 0) + return 0; + } + seq_putc(m, '\n'); #endif - used += sprintf(bigbuf + used, "Active timers:\n"); - local_irq_save(flags); - t = fast_timer_list; - while (t != NULL && (used+100 < BIG_BUF_SIZE)) - { - nextt = t->next; - local_irq_restore(flags); - used += sprintf(bigbuf + used, "%-14s s: %6lu.%06lu e: %6lu.%06lu " - "d: %6li us data: 0x%08lX" + seq_puts(m, "Active timers:\n"); + local_irq_save(flags); + t = fast_timer_list; + while (t != NULL){ + nextt = t->next; + local_irq_restore(flags); + if (seq_printf(m, "%-14s s: %6lu.%06lu e: %6lu.%06lu " + "d: %6li us data: 0x%08lX" /* " func: 0x%08lX" */ - "\n", - t->name, - (unsigned long)t->tv_set.tv_jiff, - (unsigned long)t->tv_set.tv_usec, - (unsigned long)t->tv_expires.tv_jiff, - (unsigned long)t->tv_expires.tv_usec, - t->delay_us, - t->data + "\n", + t->name, + (unsigned long)t->tv_set.tv_jiff, + (unsigned long)t->tv_set.tv_usec, + (unsigned long)t->tv_expires.tv_jiff, + (unsigned long)t->tv_expires.tv_usec, + t->delay_us, + t->data /* , t->function */ - ); - local_irq_save(flags); - if (t->next != nextt) - { - printk("timer removed!\n"); - } - t = nextt; - } - local_irq_restore(flags); - } + ) < 0) + return 0; + local_irq_save(flags); + if (t->next != nextt) + printk("timer removed!\n"); + t = nextt; + } + local_irq_restore(flags); + return 0; +} - if (used - offset < len) - { - len = used - offset; - } +static int proc_fasttimer_open(struct inode *inode, struct file *file) +{ + return single_open_size(file, proc_fasttimer_show, PDE_DATA(inode), BIG_BUF_SIZE); +} - memcpy(buf, bigbuf + offset, len); - *start = buf; - *eof = 1; +static const struct file_operations proc_fasttimer_fops = { + .open = proc_fasttimer_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; - return len; -} #endif /* PROC_FS */ #ifdef FAST_TIMER_TEST @@ -816,9 +783,7 @@ int fast_timer_init(void) printk("fast_timer_init()\n"); #ifdef CONFIG_PROC_FS - fasttimer_proc_entry = create_proc_entry("fasttimer", 0, 0); - if (fasttimer_proc_entry) - fasttimer_proc_entry->read_proc = proc_fasttimer_read; + proc_create("fasttimer", 0, NULL, &proc_fasttimer_fops); #endif /* PROC_FS */ if (request_irq(TIMER0_INTR_VECT, timer_trig_interrupt, IRQF_SHARED | IRQF_DISABLED, diff --git a/arch/cris/arch-v32/kernel/process.c b/arch/cris/arch-v32/kernel/process.c index 2b23ef0e445..cebd32e2a8f 100644 --- a/arch/cris/arch-v32/kernel/process.c +++ b/arch/cris/arch-v32/kernel/process.c @@ -20,18 +20,12 @@ extern void stop_watchdog(void); -extern int cris_hlt_counter; - /* We use this if we don't have any better idle routine. */ void default_idle(void) { - local_irq_disable(); - if (!need_resched() && !cris_hlt_counter) { - /* Halt until exception. */ - __asm__ volatile("ei \n\t" - "halt "); - } - local_irq_enable(); + /* Halt until exception. */ + __asm__ volatile("ei \n\t" + "halt "); } /* @@ -170,6 +164,9 @@ get_wchan(struct task_struct *p) void show_regs(struct pt_regs * regs) { unsigned long usp = rdusp(); + + show_regs_print_info(KERN_DEFAULT); + printk("ERP: %08lx SRP: %08lx CCS: %08lx USP: %08lx MOF: %08lx\n", regs->erp, regs->srp, regs->ccs, usp, regs->mof); diff --git a/arch/cris/arch-v32/kernel/signal.c b/arch/cris/arch-v32/kernel/signal.c index b60d1b65a42..01d1375c900 100644 --- a/arch/cris/arch-v32/kernel/signal.c +++ b/arch/cris/arch-v32/kernel/signal.c @@ -51,59 +51,6 @@ struct rt_signal_frame { void do_signal(int restart, struct pt_regs *regs); void keep_debug_flags(unsigned long oldccs, unsigned long oldspc, struct pt_regs *regs); -/* - * Swap in the new signal mask, and wait for a signal. Define some - * dummy arguments to be able to reach the regs argument. - */ -int -sys_sigsuspend(old_sigset_t mask) -{ - sigset_t blocked; - siginitset(&blocked, mask); - return sigsuspend(&blocked); -} - -int -sys_sigaction(int signal, const struct old_sigaction *act, - struct old_sigaction *oact) -{ - int retval; - struct k_sigaction newk; - struct k_sigaction oldk; - - if (act) { - old_sigset_t mask; - - if (!access_ok(VERIFY_READ, act, sizeof(*act)) || - __get_user(newk.sa.sa_handler, &act->sa_handler) || - __get_user(newk.sa.sa_restorer, &act->sa_restorer) || - __get_user(newk.sa.sa_flags, &act->sa_flags) || - __get_user(mask, &act->sa_mask)) - return -EFAULT; - - siginitset(&newk.sa.sa_mask, mask); - } - - retval = do_sigaction(signal, act ? &newk : NULL, oact ? &oldk : NULL); - - if (!retval && oact) { - if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) || - __put_user(oldk.sa.sa_handler, &oact->sa_handler) || - __put_user(oldk.sa.sa_restorer, &oact->sa_restorer) || - __put_user(oldk.sa.sa_flags, &oact->sa_flags) || - __put_user(oldk.sa.sa_mask.sig[0], &oact->sa_mask)) - return -EFAULT; - - } - - return retval; -} - -int -sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss) -{ - return do_sigaltstack(uss, uoss, rdusp()); -} static int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc) @@ -135,11 +82,9 @@ badframe: return 1; } -/* Define some dummy arguments to be able to reach the regs argument. */ -asmlinkage int -sys_sigreturn(long r10, long r11, long r12, long r13, long mof, long srp, - struct pt_regs *regs) +asmlinkage int sys_sigreturn(void) { + struct pt_regs *regs = current_pt_regs(); sigset_t set; struct signal_frame __user *frame; unsigned long oldspc = regs->spc; @@ -178,11 +123,9 @@ badframe: return 0; } -/* Define some dummy variables to be able to reach the regs argument. */ -asmlinkage int -sys_rt_sigreturn(long r10, long r11, long r12, long r13, long mof, long srp, - struct pt_regs *regs) +asmlinkage int sys_rt_sigreturn(void) { + struct pt_regs *regs = current_pt_regs(); sigset_t set; struct rt_signal_frame __user *frame; unsigned long oldspc = regs->spc; @@ -209,7 +152,7 @@ sys_rt_sigreturn(long r10, long r11, long r12, long r13, long mof, long srp, if (restore_sigcontext(regs, &frame->uc.uc_mcontext)) goto badframe; - if (do_sigaltstack(&frame->uc.uc_stack, NULL, rdusp()) == -EFAULT) + if (restore_altstack(&frame->uc.uc_stack)) goto badframe; keep_debug_flags(oldccs, oldspc, regs); @@ -371,6 +314,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, err |= __clear_user(&frame->uc, offsetof(struct ucontext, uc_mcontext)); err |= setup_sigcontext(&frame->uc.uc_mcontext, regs, set->sig[0]); err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set)); + err |= __save_altstack(&frame->uc.uc_stack, rdusp()); if (err) goto give_sigsegv; diff --git a/arch/cris/arch-v32/kernel/smp.c b/arch/cris/arch-v32/kernel/smp.c index 04a16edd540..cdd12028de0 100644 --- a/arch/cris/arch-v32/kernel/smp.c +++ b/arch/cris/arch-v32/kernel/smp.c @@ -145,8 +145,6 @@ smp_boot_one_cpu(int cpuid, struct task_struct idle) * specific stuff such as the local timer and the MMU. */ void __init smp_callin(void) { - extern void cpu_idle(void); - int cpu = cpu_now_booting; reg_intr_vect_rw_mask vect_mask = {0}; @@ -170,7 +168,7 @@ void __init smp_callin(void) local_irq_enable(); set_cpu_online(cpu, true); - cpu_idle(); + cpu_startup_entry(CPUHP_ONLINE); } /* Stop execution on this CPU.*/ diff --git a/arch/cris/arch-v32/mach-a3/Makefile b/arch/cris/arch-v32/mach-a3/Makefile index d366e089198..18a227196a4 100644 --- a/arch/cris/arch-v32/mach-a3/Makefile +++ b/arch/cris/arch-v32/mach-a3/Makefile @@ -3,7 +3,6 @@ # obj-y := dma.o pinmux.o io.o arbiter.o -obj-$(CONFIG_CPU_FREQ) += cpufreq.o clean: diff --git a/arch/cris/arch-v32/mach-a3/cpufreq.c b/arch/cris/arch-v32/mach-a3/cpufreq.c deleted file mode 100644 index ee391ecb5bc..00000000000 --- a/arch/cris/arch-v32/mach-a3/cpufreq.c +++ /dev/null @@ -1,152 +0,0 @@ -#include <linux/init.h> -#include <linux/module.h> -#include <linux/cpufreq.h> -#include <hwregs/reg_map.h> -#include <hwregs/reg_rdwr.h> -#include <hwregs/clkgen_defs.h> -#include <hwregs/ddr2_defs.h> - -static int -cris_sdram_freq_notifier(struct notifier_block *nb, unsigned long val, - void *data); - -static struct notifier_block cris_sdram_freq_notifier_block = { - .notifier_call = cris_sdram_freq_notifier -}; - -static struct cpufreq_frequency_table cris_freq_table[] = { - {0x01, 6000}, - {0x02, 200000}, - {0, CPUFREQ_TABLE_END}, -}; - -static unsigned int cris_freq_get_cpu_frequency(unsigned int cpu) -{ - reg_clkgen_rw_clk_ctrl clk_ctrl; - clk_ctrl = REG_RD(clkgen, regi_clkgen, rw_clk_ctrl); - return clk_ctrl.pll ? 200000 : 6000; -} - -static void cris_freq_set_cpu_state(unsigned int state) -{ - int i = 0; - struct cpufreq_freqs freqs; - reg_clkgen_rw_clk_ctrl clk_ctrl; - clk_ctrl = REG_RD(clkgen, regi_clkgen, rw_clk_ctrl); - -#ifdef CONFIG_SMP - for_each_present_cpu(i) -#endif - { - freqs.old = cris_freq_get_cpu_frequency(i); - freqs.new = cris_freq_table[state].frequency; - freqs.cpu = i; - } - - cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); - - local_irq_disable(); - - /* Even though we may be SMP they will share the same clock - * so all settings are made on CPU0. */ - if (cris_freq_table[state].frequency == 200000) - clk_ctrl.pll = 1; - else - clk_ctrl.pll = 0; - REG_WR(clkgen, regi_clkgen, rw_clk_ctrl, clk_ctrl); - - local_irq_enable(); - - cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); -}; - -static int cris_freq_verify(struct cpufreq_policy *policy) -{ - return cpufreq_frequency_table_verify(policy, &cris_freq_table[0]); -} - -static int cris_freq_target(struct cpufreq_policy *policy, - unsigned int target_freq, - unsigned int relation) -{ - unsigned int newstate = 0; - - if (cpufreq_frequency_table_target(policy, cris_freq_table, - target_freq, relation, &newstate)) - return -EINVAL; - - cris_freq_set_cpu_state(newstate); - - return 0; -} - -static int cris_freq_cpu_init(struct cpufreq_policy *policy) -{ - int result; - - /* cpuinfo and default policy values */ - policy->cpuinfo.transition_latency = 1000000; /* 1ms */ - policy->cur = cris_freq_get_cpu_frequency(0); - - result = cpufreq_frequency_table_cpuinfo(policy, cris_freq_table); - if (result) - return (result); - - cpufreq_frequency_table_get_attr(cris_freq_table, policy->cpu); - - return 0; -} - - -static int cris_freq_cpu_exit(struct cpufreq_policy *policy) -{ - cpufreq_frequency_table_put_attr(policy->cpu); - return 0; -} - - -static struct freq_attr *cris_freq_attr[] = { - &cpufreq_freq_attr_scaling_available_freqs, - NULL, -}; - -static struct cpufreq_driver cris_freq_driver = { - .get = cris_freq_get_cpu_frequency, - .verify = cris_freq_verify, - .target = cris_freq_target, - .init = cris_freq_cpu_init, - .exit = cris_freq_cpu_exit, - .name = "cris_freq", - .owner = THIS_MODULE, - .attr = cris_freq_attr, -}; - -static int __init cris_freq_init(void) -{ - int ret; - ret = cpufreq_register_driver(&cris_freq_driver); - cpufreq_register_notifier(&cris_sdram_freq_notifier_block, - CPUFREQ_TRANSITION_NOTIFIER); - return ret; -} - -static int -cris_sdram_freq_notifier(struct notifier_block *nb, unsigned long val, - void *data) -{ - int i; - struct cpufreq_freqs *freqs = data; - if (val == CPUFREQ_PRECHANGE) { - reg_ddr2_rw_cfg cfg = - REG_RD(ddr2, regi_ddr2_ctrl, rw_cfg); - cfg.ref_interval = (freqs->new == 200000 ? 1560 : 46); - - if (freqs->new == 200000) - for (i = 0; i < 50000; i++); - REG_WR(bif_core, regi_bif_core, rw_sdram_timing, timing); - } - return 0; -} - - -module_init(cris_freq_init); diff --git a/arch/cris/arch-v32/mach-fs/Makefile b/arch/cris/arch-v32/mach-fs/Makefile index d366e089198..18a227196a4 100644 --- a/arch/cris/arch-v32/mach-fs/Makefile +++ b/arch/cris/arch-v32/mach-fs/Makefile @@ -3,7 +3,6 @@ # obj-y := dma.o pinmux.o io.o arbiter.o -obj-$(CONFIG_CPU_FREQ) += cpufreq.o clean: diff --git a/arch/cris/arch-v32/mach-fs/cpufreq.c b/arch/cris/arch-v32/mach-fs/cpufreq.c deleted file mode 100644 index d92cf70d1cb..00000000000 --- a/arch/cris/arch-v32/mach-fs/cpufreq.c +++ /dev/null @@ -1,145 +0,0 @@ -#include <linux/init.h> -#include <linux/module.h> -#include <linux/cpufreq.h> -#include <hwregs/reg_map.h> -#include <arch/hwregs/reg_rdwr.h> -#include <arch/hwregs/config_defs.h> -#include <arch/hwregs/bif_core_defs.h> - -static int -cris_sdram_freq_notifier(struct notifier_block *nb, unsigned long val, - void *data); - -static struct notifier_block cris_sdram_freq_notifier_block = { - .notifier_call = cris_sdram_freq_notifier -}; - -static struct cpufreq_frequency_table cris_freq_table[] = { - {0x01, 6000}, - {0x02, 200000}, - {0, CPUFREQ_TABLE_END}, -}; - -static unsigned int cris_freq_get_cpu_frequency(unsigned int cpu) -{ - reg_config_rw_clk_ctrl clk_ctrl; - clk_ctrl = REG_RD(config, regi_config, rw_clk_ctrl); - return clk_ctrl.pll ? 200000 : 6000; -} - -static void cris_freq_set_cpu_state(unsigned int state) -{ - int i; - struct cpufreq_freqs freqs; - reg_config_rw_clk_ctrl clk_ctrl; - clk_ctrl = REG_RD(config, regi_config, rw_clk_ctrl); - - for_each_possible_cpu(i) { - freqs.old = cris_freq_get_cpu_frequency(i); - freqs.new = cris_freq_table[state].frequency; - freqs.cpu = i; - } - - cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); - - local_irq_disable(); - - /* Even though we may be SMP they will share the same clock - * so all settings are made on CPU0. */ - if (cris_freq_table[state].frequency == 200000) - clk_ctrl.pll = 1; - else - clk_ctrl.pll = 0; - REG_WR(config, regi_config, rw_clk_ctrl, clk_ctrl); - - local_irq_enable(); - - cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); -}; - -static int cris_freq_verify(struct cpufreq_policy *policy) -{ - return cpufreq_frequency_table_verify(policy, &cris_freq_table[0]); -} - -static int cris_freq_target(struct cpufreq_policy *policy, - unsigned int target_freq, unsigned int relation) -{ - unsigned int newstate = 0; - - if (cpufreq_frequency_table_target - (policy, cris_freq_table, target_freq, relation, &newstate)) - return -EINVAL; - - cris_freq_set_cpu_state(newstate); - - return 0; -} - -static int cris_freq_cpu_init(struct cpufreq_policy *policy) -{ - int result; - - /* cpuinfo and default policy values */ - policy->cpuinfo.transition_latency = 1000000; /* 1ms */ - policy->cur = cris_freq_get_cpu_frequency(0); - - result = cpufreq_frequency_table_cpuinfo(policy, cris_freq_table); - if (result) - return (result); - - cpufreq_frequency_table_get_attr(cris_freq_table, policy->cpu); - - return 0; -} - -static int cris_freq_cpu_exit(struct cpufreq_policy *policy) -{ - cpufreq_frequency_table_put_attr(policy->cpu); - return 0; -} - -static struct freq_attr *cris_freq_attr[] = { - &cpufreq_freq_attr_scaling_available_freqs, - NULL, -}; - -static struct cpufreq_driver cris_freq_driver = { - .get = cris_freq_get_cpu_frequency, - .verify = cris_freq_verify, - .target = cris_freq_target, - .init = cris_freq_cpu_init, - .exit = cris_freq_cpu_exit, - .name = "cris_freq", - .owner = THIS_MODULE, - .attr = cris_freq_attr, -}; - -static int __init cris_freq_init(void) -{ - int ret; - ret = cpufreq_register_driver(&cris_freq_driver); - cpufreq_register_notifier(&cris_sdram_freq_notifier_block, - CPUFREQ_TRANSITION_NOTIFIER); - return ret; -} - -static int -cris_sdram_freq_notifier(struct notifier_block *nb, unsigned long val, - void *data) -{ - int i; - struct cpufreq_freqs *freqs = data; - if (val == CPUFREQ_PRECHANGE) { - reg_bif_core_rw_sdram_timing timing = - REG_RD(bif_core, regi_bif_core, rw_sdram_timing); - timing.cpd = (freqs->new == 200000 ? 0 : 1); - - if (freqs->new == 200000) - for (i = 0; i < 50000; i++) ; - REG_WR(bif_core, regi_bif_core, rw_sdram_timing, timing); - } - return 0; -} - -module_init(cris_freq_init); diff --git a/arch/cris/include/asm/elf.h b/arch/cris/include/asm/elf.h index 8182f2dc89d..30ded8fbf59 100644 --- a/arch/cris/include/asm/elf.h +++ b/arch/cris/include/asm/elf.h @@ -86,7 +86,4 @@ typedef unsigned long elf_fpregset_t; #define ELF_PLATFORM (NULL) -#define SET_PERSONALITY(ex) \ - set_personality(PER_LINUX | (current->personality & (~PER_MASK))) - #endif diff --git a/arch/cris/include/asm/processor.h b/arch/cris/include/asm/processor.h index 675823f70c0..c0a29b96b92 100644 --- a/arch/cris/include/asm/processor.h +++ b/arch/cris/include/asm/processor.h @@ -65,13 +65,6 @@ static inline void release_thread(struct task_struct *dead_task) #define cpu_relax() barrier() -/* - * disable hlt during certain critical i/o operations - */ -#define HAVE_DISABLE_HLT -void disable_hlt(void); -void enable_hlt(void); - void default_idle(void); #endif /* __ASM_CRIS_PROCESSOR_H */ diff --git a/arch/cris/include/asm/signal.h b/arch/cris/include/asm/signal.h index c0cb1fd4644..c11b8745cec 100644 --- a/arch/cris/include/asm/signal.h +++ b/arch/cris/include/asm/signal.h @@ -16,23 +16,8 @@ typedef struct { unsigned long sig[_NSIG_WORDS]; } sigset_t; -struct old_sigaction { - __sighandler_t sa_handler; - old_sigset_t sa_mask; - unsigned long sa_flags; - void (*sa_restorer)(void); -}; +#define __ARCH_HAS_SA_RESTORER -struct sigaction { - __sighandler_t sa_handler; - unsigned long sa_flags; - void (*sa_restorer)(void); - sigset_t sa_mask; /* mask last for extensibility */ -}; - -struct k_sigaction { - struct sigaction sa; -}; #include <asm/sigcontext.h> #endif diff --git a/arch/cris/include/asm/unistd.h b/arch/cris/include/asm/unistd.h index 6d062bdf92d..0ff3f688984 100644 --- a/arch/cris/include/asm/unistd.h +++ b/arch/cris/include/asm/unistd.h @@ -30,18 +30,8 @@ #define __ARCH_WANT_SYS_OLDUMOUNT #define __ARCH_WANT_SYS_SIGPENDING #define __ARCH_WANT_SYS_SIGPROCMASK -#define __ARCH_WANT_SYS_RT_SIGACTION -#define __ARCH_WANT_SYS_RT_SIGSUSPEND #define __ARCH_WANT_SYS_FORK #define __ARCH_WANT_SYS_VFORK #define __ARCH_WANT_SYS_CLONE -/* - * "Conditional" syscalls - * - * What we want is __attribute__((weak,alias("sys_ni_syscall"))), - * but it doesn't work on all toolchains, so we just do it by hand - */ -#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall") - #endif /* _ASM_CRIS_UNISTD_H_ */ diff --git a/arch/cris/include/uapi/asm/posix_types.h b/arch/cris/include/uapi/asm/posix_types.h index ce4e5179315..0f22e6a67ea 100644 --- a/arch/cris/include/uapi/asm/posix_types.h +++ b/arch/cris/include/uapi/asm/posix_types.h @@ -22,11 +22,6 @@ typedef unsigned short __kernel_uid_t; typedef unsigned short __kernel_gid_t; #define __kernel_uid_t __kernel_uid_t -typedef __SIZE_TYPE__ __kernel_size_t; -typedef long __kernel_ssize_t; -typedef int __kernel_ptrdiff_t; -#define __kernel_size_t __kernel_size_t - typedef unsigned short __kernel_old_dev_t; #define __kernel_old_dev_t __kernel_old_dev_t diff --git a/arch/cris/include/uapi/asm/socket.h b/arch/cris/include/uapi/asm/socket.h index b681b043f6c..ba409c9947b 100644 --- a/arch/cris/include/uapi/asm/socket.h +++ b/arch/cris/include/uapi/asm/socket.h @@ -24,7 +24,7 @@ #define SO_PRIORITY 12 #define SO_LINGER 13 #define SO_BSDCOMPAT 14 -/* To add :#define SO_REUSEPORT 15 */ +#define SO_REUSEPORT 15 #define SO_PASSCRED 16 #define SO_PEERCRED 17 #define SO_RCVLOWAT 18 @@ -72,6 +72,10 @@ /* Instruct lower device to use last 4-bytes of skb data as FCS */ #define SO_NOFCS 43 +#define SO_LOCK_FILTER 44 + +#define SO_SELECT_ERR_QUEUE 45 + #endif /* _ASM_SOCKET_H */ diff --git a/arch/cris/kernel/process.c b/arch/cris/kernel/process.c index 7f65be6f7f1..b78498eb079 100644 --- a/arch/cris/kernel/process.c +++ b/arch/cris/kernel/process.c @@ -29,68 +29,14 @@ //#define DEBUG -/* - * The hlt_counter, disable_hlt and enable_hlt is just here as a hook if - * there would ever be a halt sequence (for power save when idle) with - * some largish delay when halting or resuming *and* a driver that can't - * afford that delay. The hlt_counter would then be checked before - * executing the halt sequence, and the driver marks the unhaltable - * region by enable_hlt/disable_hlt. - */ - -int cris_hlt_counter=0; - -void disable_hlt(void) -{ - cris_hlt_counter++; -} - -EXPORT_SYMBOL(disable_hlt); - -void enable_hlt(void) -{ - cris_hlt_counter--; -} - -EXPORT_SYMBOL(enable_hlt); - -/* - * The following aren't currently used. - */ -void (*pm_idle)(void); - extern void default_idle(void); void (*pm_power_off)(void); EXPORT_SYMBOL(pm_power_off); -/* - * The idle thread. There's no useful work to be - * done, so just try to conserve power and have a - * low exit latency (ie sit in a loop waiting for - * somebody to say that they'd like to reschedule) - */ - -void cpu_idle (void) +void arch_cpu_idle(void) { - /* endless idle loop with no priority at all */ - while (1) { - rcu_idle_enter(); - while (!need_resched()) { - void (*idle)(void); - /* - * Mark this as an RCU critical section so that - * synchronize_kernel() in the unload path waits - * for our completion. - */ - idle = pm_idle; - if (!idle) - idle = default_idle; - idle(); - } - rcu_idle_exit(); - schedule_preempt_disabled(); - } + default_idle(); } void hard_reset_now (void); diff --git a/arch/cris/kernel/profile.c b/arch/cris/kernel/profile.c index b82e08615d1..cd9f15b92f8 100644 --- a/arch/cris/kernel/profile.c +++ b/arch/cris/kernel/profile.c @@ -76,7 +76,7 @@ static int __init init_cris_profile(void) entry = proc_create("system_profile", S_IWUSR | S_IRUGO, NULL, &cris_proc_profile_operations); if (entry) { - entry->size = SAMPLE_BUFFER_SIZE; + proc_set_size(entry, SAMPLE_BUFFER_SIZE); } prof_running = 1; diff --git a/arch/cris/kernel/time.c b/arch/cris/kernel/time.c index 277ffc459e4..fe6acdabbc8 100644 --- a/arch/cris/kernel/time.c +++ b/arch/cris/kernel/time.c @@ -39,17 +39,6 @@ extern unsigned long loops_per_jiffy; /* init/main.c */ unsigned long loops_per_usec; - -#ifdef CONFIG_ARCH_USES_GETTIMEOFFSET -extern unsigned long do_slow_gettimeoffset(void); -static unsigned long (*do_gettimeoffset)(void) = do_slow_gettimeoffset; - -u32 arch_gettimeoffset(void) -{ - return do_gettimeoffset() * 1000; -} -#endif - int set_rtc_mmss(unsigned long nowtime) { D(printk(KERN_DEBUG "set_rtc_mmss(%lu)\n", nowtime)); diff --git a/arch/cris/kernel/traps.c b/arch/cris/kernel/traps.c index a11ad3229f8..0ffda73734f 100644 --- a/arch/cris/kernel/traps.c +++ b/arch/cris/kernel/traps.c @@ -147,13 +147,6 @@ show_stack(void) #endif void -dump_stack(void) -{ - show_stack(NULL, NULL); -} -EXPORT_SYMBOL(dump_stack); - -void set_nmi_handler(void (*handler)(struct pt_regs *)) { nmi_handler = handler; diff --git a/arch/cris/mm/init.c b/arch/cris/mm/init.c index d72ab58fd83..9ac80946dad 100644 --- a/arch/cris/mm/init.c +++ b/arch/cris/mm/init.c @@ -12,12 +12,10 @@ #include <linux/init.h> #include <linux/bootmem.h> #include <asm/tlb.h> +#include <asm/sections.h> unsigned long empty_zero_page; -extern char _stext, _edata, _etext; /* From linkerscript */ -extern char __init_begin, __init_end; - void __init mem_init(void) { @@ -67,15 +65,5 @@ mem_init(void) void free_initmem(void) { - unsigned long addr; - - addr = (unsigned long)(&__init_begin); - for (; addr < (unsigned long)(&__init_end); addr += PAGE_SIZE) { - ClearPageReserved(virt_to_page(addr)); - init_page_count(virt_to_page(addr)); - free_page(addr); - totalram_pages++; - } - printk (KERN_INFO "Freeing unused kernel memory: %luk freed\n", - (unsigned long)((&__init_end - &__init_begin) >> 10)); + free_initmem_default(0); } |