This patch replaces the DGAP_LOCK and DGAP_UNLOCK macros with spin_lock_irqsave spin_unlock_irqrestore. Signed-off-by: Mark Hounschell <markh@xxxxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/staging/dgap/dgap.c | 442 ++++++++++++++++++++++---------------------- drivers/staging/dgap/dgap.h | 7 - 2 files changed, 222 insertions(+), 227 deletions(-) diff --git a/drivers/staging/dgap/dgap.c b/drivers/staging/dgap/dgap.c index 0172275..3ece1a4 100644 --- a/drivers/staging/dgap/dgap.c +++ b/drivers/staging/dgap/dgap.c @@ -576,13 +576,13 @@ static int dgap_start(void) } /* Start the poller */ - DGAP_LOCK(dgap_poll_lock, flags); + spin_lock_irqsave(&dgap_poll_lock, flags); init_timer(&dgap_poll_timer); dgap_poll_timer.function = dgap_poll_handler; dgap_poll_timer.data = 0; dgap_poll_time = jiffies + dgap_jiffies_from_ms(dgap_poll_tick); dgap_poll_timer.expires = dgap_poll_time; - DGAP_UNLOCK(dgap_poll_lock, flags); + spin_unlock_irqrestore(&dgap_poll_lock, flags); add_timer(&dgap_poll_timer); @@ -643,9 +643,9 @@ static void dgap_cleanup_module(void) int i; ulong lock_flags; - DGAP_LOCK(dgap_poll_lock, lock_flags); + spin_lock_irqsave(&dgap_poll_lock, lock_flags); dgap_poll_stop = 1; - DGAP_UNLOCK(dgap_poll_lock, lock_flags); + spin_unlock_irqrestore(&dgap_poll_lock, lock_flags); /* Turn off poller right away. */ del_timer_sync(&dgap_poll_timer); @@ -1135,7 +1135,7 @@ schedule_poller: /* * Schedule ourself back at the nominal wakeup interval. */ - DGAP_LOCK(dgap_poll_lock, lock_flags); + spin_lock_irqsave(&dgap_poll_lock, lock_flags); dgap_poll_time += dgap_jiffies_from_ms(dgap_poll_tick); new_time = dgap_poll_time - jiffies; @@ -1148,7 +1148,7 @@ schedule_poller: dgap_poll_timer.function = dgap_poll_handler; dgap_poll_timer.data = 0; dgap_poll_timer.expires = dgap_poll_time; - DGAP_UNLOCK(dgap_poll_lock, lock_flags); + spin_unlock_irqrestore(&dgap_poll_lock, lock_flags); if (!dgap_poll_stop) add_timer(&dgap_poll_timer); @@ -1693,8 +1693,8 @@ static void dgap_input(struct channel_t *ch) if (!bd || bd->magic != DGAP_BOARD_MAGIC) return; - DGAP_LOCK(bd->bd_lock, lock_flags); - DGAP_LOCK(ch->ch_lock, lock_flags2); + spin_lock_irqsave(&bd->bd_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags2); /* * Figure the number of characters in the buffer. @@ -1712,8 +1712,8 @@ static void dgap_input(struct channel_t *ch) if (data_len == 0) { writeb(1, &(bs->idata)); - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return; } @@ -1729,8 +1729,8 @@ static void dgap_input(struct channel_t *ch) writew(head, &(bs->rx_tail)); writeb(1, &(bs->idata)); - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return; } @@ -1739,8 +1739,8 @@ static void dgap_input(struct channel_t *ch) */ if (ch->ch_flags & CH_RXBLOCK) { writeb(1, &(bs->idata)); - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return; } @@ -1792,8 +1792,8 @@ static void dgap_input(struct channel_t *ch) if (len <= 0) { writeb(1, &(bs->idata)); - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); if (ld) tty_ldisc_deref(ld); return; @@ -1851,8 +1851,8 @@ static void dgap_input(struct channel_t *ch) tty_insert_flip_string(tp->port, ch->ch_bd->flipbuf, len); } - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); /* Tell the tty layer its okay to "eat" the data now */ tty_flip_buffer_push(tp->port); @@ -2022,28 +2022,28 @@ static int dgap_tty_open(struct tty_struct *tty, struct file *file) if (rc) return rc; - DGAP_LOCK(brd->bd_lock, lock_flags); + spin_lock_irqsave(&brd->bd_lock, lock_flags); /* The wait above should guarantee this cannot happen */ if (brd->state != BOARD_READY) { - DGAP_UNLOCK(brd->bd_lock, lock_flags); + spin_unlock_irqrestore(&brd->bd_lock, lock_flags); return -ENXIO; } /* If opened device is greater than our number of ports, bail. */ if (MINOR(tty_devnum(tty)) > brd->nasync) { - DGAP_UNLOCK(brd->bd_lock, lock_flags); + spin_unlock_irqrestore(&brd->bd_lock, lock_flags); return -ENXIO; } ch = brd->channels[minor]; if (!ch) { - DGAP_UNLOCK(brd->bd_lock, lock_flags); + spin_unlock_irqrestore(&brd->bd_lock, lock_flags); return -ENXIO; } /* Grab channel lock */ - DGAP_LOCK(ch->ch_lock, lock_flags2); + spin_lock_irqsave(&ch->ch_lock, lock_flags2); /* Figure out our type */ if (major == brd->dgap_Serial_Major) { @@ -2053,8 +2053,8 @@ static int dgap_tty_open(struct tty_struct *tty, struct file *file) un = &brd->channels[minor]->ch_pun; un->un_type = DGAP_PRINT; } else { - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(brd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&brd->bd_lock, lock_flags); return -ENXIO; } @@ -2066,8 +2066,8 @@ static int dgap_tty_open(struct tty_struct *tty, struct file *file) */ bs = ch->ch_bs; if (!bs) { - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(brd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&brd->bd_lock, lock_flags); return -ENXIO; } @@ -2119,8 +2119,8 @@ static int dgap_tty_open(struct tty_struct *tty, struct file *file) * follow protocol for opening port */ - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(brd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&brd->bd_lock, lock_flags); rc = dgap_block_til_ready(tty, file, ch); @@ -2128,11 +2128,11 @@ static int dgap_tty_open(struct tty_struct *tty, struct file *file) return -ENODEV; /* No going back now, increment our unit and channel counters */ - DGAP_LOCK(ch->ch_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags); ch->ch_open_count++; un->un_open_count++; un->un_flags |= (UN_ISOPEN); - DGAP_UNLOCK(ch->ch_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags); return rc; } @@ -2159,7 +2159,7 @@ static int dgap_block_til_ready(struct tty_struct *tty, struct file *file, if (!un || un->magic != DGAP_UNIT_MAGIC) return -ENXIO; - DGAP_LOCK(ch->ch_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags); ch->ch_wopen++; @@ -2239,7 +2239,7 @@ static int dgap_block_til_ready(struct tty_struct *tty, struct file *file, * eventually goes active. */ - DGAP_UNLOCK(ch->ch_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags); /* * Wait for something in the flags to change @@ -2258,12 +2258,12 @@ static int dgap_block_til_ready(struct tty_struct *tty, struct file *file, * We got woken up for some reason. * Before looping around, grab our channel lock. */ - DGAP_LOCK(ch->ch_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags); } ch->ch_wopen--; - DGAP_UNLOCK(ch->ch_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags); if (retval) return retval; @@ -2332,7 +2332,7 @@ static void dgap_tty_close(struct tty_struct *tty, struct file *file) ts = &tty->termios; - DGAP_LOCK(ch->ch_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags); /* * Determine if this is the last close or not - and if we agree about @@ -2355,7 +2355,7 @@ static void dgap_tty_close(struct tty_struct *tty, struct file *file) ch->ch_open_count--; if (ch->ch_open_count && un->un_open_count) { - DGAP_UNLOCK(ch->ch_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags); return; } @@ -2374,7 +2374,7 @@ static void dgap_tty_close(struct tty_struct *tty, struct file *file) ch->ch_flags &= ~(CH_RXBLOCK); - DGAP_UNLOCK(ch->ch_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags); /* wait for output to drain */ /* This will also return if we take an interrupt */ @@ -2384,7 +2384,7 @@ static void dgap_tty_close(struct tty_struct *tty, struct file *file) dgap_tty_flush_buffer(tty); tty_ldisc_flush(tty); - DGAP_LOCK(ch->ch_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags); tty->closing = 0; @@ -2400,9 +2400,10 @@ static void dgap_tty_close(struct tty_struct *tty, struct file *file) * have been dropped for modems to see it. */ if (ch->ch_close_delay) { - DGAP_UNLOCK(ch->ch_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, + lock_flags); dgap_ms_sleep(ch->ch_close_delay); - DGAP_LOCK(ch->ch_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags); } } @@ -2428,7 +2429,7 @@ static void dgap_tty_close(struct tty_struct *tty, struct file *file) wake_up_interruptible(&ch->ch_flags_wait); wake_up_interruptible(&un->un_flags_wait); - DGAP_UNLOCK(ch->ch_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags); } /* @@ -2470,8 +2471,8 @@ static int dgap_tty_chars_in_buffer(struct tty_struct *tty) if (!bs) return 0; - DGAP_LOCK(bd->bd_lock, lock_flags); - DGAP_LOCK(ch->ch_lock, lock_flags2); + spin_lock_irqsave(&bd->bd_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags2); tmask = (ch->ch_tsize - 1); @@ -2486,8 +2487,8 @@ static int dgap_tty_chars_in_buffer(struct tty_struct *tty) chead = readw(&(ch->ch_cm->cm_head)); ctail = readw(&(ch->ch_cm->cm_tail)); - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); /* * The only way we know for sure if there is no pending @@ -2518,10 +2519,11 @@ static int dgap_tty_chars_in_buffer(struct tty_struct *tty) * TBUSY has been cleared. */ if (tbusy != 0) { - DGAP_LOCK(ch->ch_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags); un->un_flags |= UN_EMPTY; writeb(1, &(bs->iempty)); - DGAP_UNLOCK(ch->ch_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, + lock_flags); } chars = 1; } @@ -2565,10 +2567,10 @@ static int dgap_wait_for_drain(struct tty_struct *tty) break; /* Set flag waiting for drain */ - DGAP_LOCK(ch->ch_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags); un->un_flags |= UN_EMPTY; writeb(1, &(bs->iempty)); - DGAP_UNLOCK(ch->ch_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags); /* Go to sleep till we get woken up */ ret = wait_event_interruptible(un->un_flags_wait, @@ -2578,9 +2580,9 @@ static int dgap_wait_for_drain(struct tty_struct *tty) break; } - DGAP_LOCK(ch->ch_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags); un->un_flags &= ~(UN_EMPTY); - DGAP_UNLOCK(ch->ch_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags); return ret; } @@ -2699,7 +2701,7 @@ static int dgap_tty_write_room(struct tty_struct *tty) if (!bs) return 0; - DGAP_LOCK(ch->ch_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags); tmask = ch->ch_tsize - 1; head = readw(&(bs->tx_head)) & tmask; @@ -2736,7 +2738,7 @@ static int dgap_tty_write_room(struct tty_struct *tty) * in every case? Can we get smarter based on ret? */ dgap_set_firmware_event(un, UN_LOW | UN_EMPTY); - DGAP_UNLOCK(ch->ch_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags); return ret; } @@ -2800,7 +2802,7 @@ static int dgap_tty_write(struct tty_struct *tty, const unsigned char *buf, */ orig_count = count; - DGAP_LOCK(ch->ch_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags); /* Get our space available for the channel from the board */ tmask = ch->ch_tsize - 1; @@ -2828,7 +2830,7 @@ static int dgap_tty_write(struct tty_struct *tty, const unsigned char *buf, */ if (count <= 0) { dgap_set_firmware_event(un, UN_LOW | UN_EMPTY); - DGAP_UNLOCK(ch->ch_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags); return 0; } @@ -2860,7 +2862,7 @@ static int dgap_tty_write(struct tty_struct *tty, const unsigned char *buf, */ if (count <= 0) { dgap_set_firmware_event(un, UN_LOW | UN_EMPTY); - DGAP_UNLOCK(ch->ch_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags); return 0; } @@ -2936,7 +2938,7 @@ static int dgap_tty_write(struct tty_struct *tty, const unsigned char *buf, ch->ch_cpstime += (HZ * count) / ch->ch_digi.digi_maxcps; } - DGAP_UNLOCK(ch->ch_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags); return count; } @@ -2963,13 +2965,13 @@ static int dgap_tty_tiocmget(struct tty_struct *tty) if (!ch || ch->magic != DGAP_CHANNEL_MAGIC) return result; - DGAP_LOCK(ch->ch_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags); mstat = readb(&(ch->ch_bs->m_stat)); /* Append any outbound signals that might be pending... */ mstat |= ch->ch_mostat; - DGAP_UNLOCK(ch->ch_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags); result = 0; @@ -3019,8 +3021,8 @@ static int dgap_tty_tiocmset(struct tty_struct *tty, if (!bd || bd->magic != DGAP_BOARD_MAGIC) return ret; - DGAP_LOCK(bd->bd_lock, lock_flags); - DGAP_LOCK(ch->ch_lock, lock_flags2); + spin_lock_irqsave(&bd->bd_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags2); if (set & TIOCM_RTS) { ch->ch_mforce |= D_RTS(ch); @@ -3044,8 +3046,8 @@ static int dgap_tty_tiocmset(struct tty_struct *tty, dgap_param(tty); - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return 0; } @@ -3091,15 +3093,15 @@ static int dgap_tty_send_break(struct tty_struct *tty, int msec) break; } - DGAP_LOCK(bd->bd_lock, lock_flags); - DGAP_LOCK(ch->ch_lock, lock_flags2); + spin_lock_irqsave(&bd->bd_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags2); #if 0 dgap_cmdw(ch, SBREAK, (u16) SBREAK_TIME, 0); #endif dgap_cmdw(ch, SBREAK, (u16) msec, 0); - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return 0; } @@ -3142,8 +3144,8 @@ static void dgap_tty_send_xchar(struct tty_struct *tty, char c) if (!bd || bd->magic != DGAP_BOARD_MAGIC) return; - DGAP_LOCK(bd->bd_lock, lock_flags); - DGAP_LOCK(ch->ch_lock, lock_flags2); + spin_lock_irqsave(&bd->bd_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags2); /* * This is technically what we should do. @@ -3163,8 +3165,8 @@ static void dgap_tty_send_xchar(struct tty_struct *tty, char c) dgap_wmove(ch, &c, 1); #endif - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return; } @@ -3182,13 +3184,13 @@ static int dgap_get_modem_info(struct channel_t *ch, unsigned int __user *value) if (!ch || ch->magic != DGAP_CHANNEL_MAGIC) return -ENXIO; - DGAP_LOCK(ch->ch_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags); mstat = readb(&(ch->ch_bs->m_stat)); /* Append any outbound signals that might be pending... */ mstat |= ch->ch_mostat; - DGAP_UNLOCK(ch->ch_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags); result = 0; @@ -3291,13 +3293,13 @@ static int dgap_set_modem_info(struct tty_struct *tty, unsigned int command, return -EINVAL; } - DGAP_LOCK(bd->bd_lock, lock_flags); - DGAP_LOCK(ch->ch_lock, lock_flags2); + spin_lock_irqsave(&bd->bd_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags2); dgap_param(tty); - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return 0; } @@ -3334,9 +3336,9 @@ static int dgap_tty_digigeta(struct tty_struct *tty, memset(&tmp, 0, sizeof(tmp)); - DGAP_LOCK(ch->ch_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags); memcpy(&tmp, &ch->ch_digi, sizeof(tmp)); - DGAP_UNLOCK(ch->ch_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags); if (copy_to_user(retinfo, &tmp, sizeof(*retinfo))) return -EFAULT; @@ -3380,8 +3382,8 @@ static int dgap_tty_digiseta(struct tty_struct *tty, if (copy_from_user(&new_digi, new_info, sizeof(struct digi_t))) return -EFAULT; - DGAP_LOCK(bd->bd_lock, lock_flags); - DGAP_LOCK(ch->ch_lock, lock_flags2); + spin_lock_irqsave(&bd->bd_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags2); memcpy(&ch->ch_digi, &new_digi, sizeof(struct digi_t)); @@ -3408,8 +3410,8 @@ static int dgap_tty_digiseta(struct tty_struct *tty, dgap_param(tty); - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return 0; } @@ -3445,9 +3447,9 @@ static int dgap_tty_digigetedelay(struct tty_struct *tty, int __user *retinfo) memset(&tmp, 0, sizeof(tmp)); - DGAP_LOCK(ch->ch_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags); tmp = readw(&(ch->ch_bs->edelay)); - DGAP_UNLOCK(ch->ch_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags); if (copy_to_user(retinfo, &tmp, sizeof(*retinfo))) return -EFAULT; @@ -3488,15 +3490,15 @@ static int dgap_tty_digisetedelay(struct tty_struct *tty, int __user *new_info) if (copy_from_user(&new_digi, new_info, sizeof(int))) return -EFAULT; - DGAP_LOCK(bd->bd_lock, lock_flags); - DGAP_LOCK(ch->ch_lock, lock_flags2); + spin_lock_irqsave(&bd->bd_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags2); writew((u16) new_digi, &(ch->ch_bs->edelay)); dgap_param(tty); - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return 0; } @@ -3530,9 +3532,9 @@ static int dgap_tty_digigetcustombaud(struct tty_struct *tty, memset(&tmp, 0, sizeof(tmp)); - DGAP_LOCK(ch->ch_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags); tmp = dgap_get_custom_baud(ch); - DGAP_UNLOCK(ch->ch_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags); if (copy_to_user(retinfo, &tmp, sizeof(*retinfo))) return -EFAULT; @@ -3576,15 +3578,15 @@ static int dgap_tty_digisetcustombaud(struct tty_struct *tty, if (bd->bd_flags & BD_FEP5PLUS) { - DGAP_LOCK(bd->bd_lock, lock_flags); - DGAP_LOCK(ch->ch_lock, lock_flags2); + spin_lock_irqsave(&bd->bd_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags2); ch->ch_custom_speed = new_rate; dgap_param(tty); - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); } return 0; @@ -3617,8 +3619,8 @@ static void dgap_tty_set_termios(struct tty_struct *tty, if (!bd || bd->magic != DGAP_BOARD_MAGIC) return; - DGAP_LOCK(bd->bd_lock, lock_flags); - DGAP_LOCK(ch->ch_lock, lock_flags2); + spin_lock_irqsave(&bd->bd_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags2); ch->ch_c_cflag = tty->termios.c_cflag; ch->ch_c_iflag = tty->termios.c_iflag; @@ -3630,8 +3632,8 @@ static void dgap_tty_set_termios(struct tty_struct *tty, dgap_carrier(ch); dgap_param(tty); - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); } static void dgap_tty_throttle(struct tty_struct *tty) @@ -3657,16 +3659,16 @@ static void dgap_tty_throttle(struct tty_struct *tty) if (!bd || bd->magic != DGAP_BOARD_MAGIC) return; - DGAP_LOCK(bd->bd_lock, lock_flags); - DGAP_LOCK(ch->ch_lock, lock_flags2); + spin_lock_irqsave(&bd->bd_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags2); ch->ch_flags |= (CH_RXBLOCK); #if 1 dgap_cmdw(ch, RPAUSE, 0, 0); #endif - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); } @@ -3693,8 +3695,8 @@ static void dgap_tty_unthrottle(struct tty_struct *tty) if (!bd || bd->magic != DGAP_BOARD_MAGIC) return; - DGAP_LOCK(bd->bd_lock, lock_flags); - DGAP_LOCK(ch->ch_lock, lock_flags2); + spin_lock_irqsave(&bd->bd_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags2); ch->ch_flags &= ~(CH_RXBLOCK); @@ -3702,8 +3704,8 @@ static void dgap_tty_unthrottle(struct tty_struct *tty) dgap_cmdw(ch, RRESUME, 0, 0); #endif - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); } static void dgap_tty_start(struct tty_struct *tty) @@ -3729,13 +3731,13 @@ static void dgap_tty_start(struct tty_struct *tty) if (!bd || bd->magic != DGAP_BOARD_MAGIC) return; - DGAP_LOCK(bd->bd_lock, lock_flags); - DGAP_LOCK(ch->ch_lock, lock_flags2); + spin_lock_irqsave(&bd->bd_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags2); dgap_cmdw(ch, RESUMETX, 0, 0); - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); } @@ -3762,13 +3764,13 @@ static void dgap_tty_stop(struct tty_struct *tty) if (!bd || bd->magic != DGAP_BOARD_MAGIC) return; - DGAP_LOCK(bd->bd_lock, lock_flags); - DGAP_LOCK(ch->ch_lock, lock_flags2); + spin_lock_irqsave(&bd->bd_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags2); dgap_cmdw(ch, PAUSETX, 0, 0); - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); } @@ -3808,13 +3810,13 @@ static void dgap_tty_flush_chars(struct tty_struct *tty) if (!bd || bd->magic != DGAP_BOARD_MAGIC) return; - DGAP_LOCK(bd->bd_lock, lock_flags); - DGAP_LOCK(ch->ch_lock, lock_flags2); + spin_lock_irqsave(&bd->bd_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags2); /* TODO: Do something here */ - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); } /* @@ -3846,8 +3848,8 @@ static void dgap_tty_flush_buffer(struct tty_struct *tty) if (!bd || bd->magic != DGAP_BOARD_MAGIC) return; - DGAP_LOCK(bd->bd_lock, lock_flags); - DGAP_LOCK(ch->ch_lock, lock_flags2); + spin_lock_irqsave(&bd->bd_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags2); ch->ch_flags &= ~CH_STOP; head = readw(&(ch->ch_bs->tx_head)); @@ -3862,8 +3864,8 @@ static void dgap_tty_flush_buffer(struct tty_struct *tty) wake_up_interruptible(&ch->ch_pun.un_flags_wait); } - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); if (waitqueue_active(&tty->write_wait)) wake_up_interruptible(&tty->write_wait); tty_wakeup(tty); @@ -3907,12 +3909,12 @@ static int dgap_tty_ioctl(struct tty_struct *tty, unsigned int cmd, if (!bd || bd->magic != DGAP_BOARD_MAGIC) return -ENODEV; - DGAP_LOCK(bd->bd_lock, lock_flags); - DGAP_LOCK(ch->ch_lock, lock_flags2); + spin_lock_irqsave(&bd->bd_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags2); if (un->un_open_count <= 0) { - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return -EIO; } @@ -3930,8 +3932,8 @@ static int dgap_tty_ioctl(struct tty_struct *tty, unsigned int cmd, * in the middle: 0.375 seconds. */ rc = tty_check_change(tty); - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); if (rc) return rc; @@ -3940,14 +3942,14 @@ static int dgap_tty_ioctl(struct tty_struct *tty, unsigned int cmd, if (rc) return -EINTR; - DGAP_LOCK(bd->bd_lock, lock_flags); - DGAP_LOCK(ch->ch_lock, lock_flags2); + spin_lock_irqsave(&bd->bd_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags2); if (((cmd == TCSBRK) && (!arg)) || (cmd == TCSBRKP)) dgap_cmdw(ch, SBREAK, (u16) SBREAK_TIME, 0); - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return 0; @@ -3959,8 +3961,8 @@ static int dgap_tty_ioctl(struct tty_struct *tty, unsigned int cmd, * in the middle: 0.375 seconds. */ rc = tty_check_change(tty); - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); if (rc) return rc; @@ -3968,13 +3970,13 @@ static int dgap_tty_ioctl(struct tty_struct *tty, unsigned int cmd, if (rc) return -EINTR; - DGAP_LOCK(bd->bd_lock, lock_flags); - DGAP_LOCK(ch->ch_lock, lock_flags2); + spin_lock_irqsave(&bd->bd_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags2); dgap_cmdw(ch, SBREAK, (u16) SBREAK_TIME, 0); - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return 0; @@ -3986,8 +3988,8 @@ static int dgap_tty_ioctl(struct tty_struct *tty, unsigned int cmd, * the break. */ rc = tty_check_change(tty); - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); if (rc) return rc; @@ -3995,13 +3997,13 @@ static int dgap_tty_ioctl(struct tty_struct *tty, unsigned int cmd, if (rc) return -EINTR; - DGAP_LOCK(bd->bd_lock, lock_flags); - DGAP_LOCK(ch->ch_lock, lock_flags2); + spin_lock_irqsave(&bd->bd_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags2); dgap_cmdw(ch, SBREAK, (u16) SBREAK_TIME, 0); - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return 0; @@ -4012,47 +4014,47 @@ static int dgap_tty_ioctl(struct tty_struct *tty, unsigned int cmd, * after the specified time value that was sent when turning on * the break. */ - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return 0; case TIOCGSOFTCAR: - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); rc = put_user(C_CLOCAL(tty) ? 1 : 0, (unsigned long __user *) arg); return rc; case TIOCSSOFTCAR: - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); rc = get_user(arg, (unsigned long __user *) arg); if (rc) return rc; - DGAP_LOCK(bd->bd_lock, lock_flags); - DGAP_LOCK(ch->ch_lock, lock_flags2); + spin_lock_irqsave(&bd->bd_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags2); tty->termios.c_cflag = ((tty->termios.c_cflag & ~CLOCAL) | (arg ? CLOCAL : 0)); dgap_param(tty); - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return 0; case TIOCMGET: - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return dgap_get_modem_info(ch, uarg); case TIOCMBIS: case TIOCMBIC: case TIOCMSET: - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return dgap_set_modem_info(tty, cmd, uarg); /* @@ -4071,8 +4073,8 @@ static int dgap_tty_ioctl(struct tty_struct *tty, unsigned int cmd, */ rc = tty_check_change(tty); if (rc) { - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return rc; } @@ -4086,8 +4088,8 @@ static int dgap_tty_ioctl(struct tty_struct *tty, unsigned int cmd, if ((arg != TCOFLUSH) && (arg != TCIOFLUSH)) { /* pretend we didn't recognize this IOCTL */ - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return -ENOIOCTLCMD; } @@ -4108,8 +4110,8 @@ static int dgap_tty_ioctl(struct tty_struct *tty, unsigned int cmd, wake_up_interruptible(&tty->write_wait); /* Can't hold any locks when calling tty_wakeup! */ - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); tty_wakeup(tty); /* pretend we didn't recognize this IOCTL */ @@ -4134,8 +4136,8 @@ static int dgap_tty_ioctl(struct tty_struct *tty, unsigned int cmd, } /* now wait for all the output to drain */ - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); rc = dgap_wait_for_drain(tty); if (rc) return -EINTR; @@ -4145,8 +4147,8 @@ static int dgap_tty_ioctl(struct tty_struct *tty, unsigned int cmd, case TCSETAW: - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); rc = dgap_wait_for_drain(tty); if (rc) return -EINTR; @@ -4164,43 +4166,43 @@ static int dgap_tty_ioctl(struct tty_struct *tty, unsigned int cmd, */ rc = tty_check_change(tty); if (rc) { - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return rc; } switch (arg) { case TCOON: - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); dgap_tty_start(tty); return 0; case TCOOFF: - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); dgap_tty_stop(tty); return 0; case TCION: - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); /* Make the ld do it */ return -ENOIOCTLCMD; case TCIOFF: - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); /* Make the ld do it */ return -ENOIOCTLCMD; default: - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return -EINVAL; } case DIGI_GETA: /* get information for ditty */ - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return dgap_tty_digigeta(tty, uarg); case DIGI_SETAW: @@ -4209,52 +4211,52 @@ static int dgap_tty_ioctl(struct tty_struct *tty, unsigned int cmd, /* set information for ditty */ if (cmd == (DIGI_SETAW)) { - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); rc = dgap_wait_for_drain(tty); if (rc) return -EINTR; - DGAP_LOCK(bd->bd_lock, lock_flags); - DGAP_LOCK(ch->ch_lock, lock_flags2); + spin_lock_irqsave(&bd->bd_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags2); } else tty_ldisc_flush(tty); /* fall thru */ case DIGI_SETA: - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return dgap_tty_digiseta(tty, uarg); case DIGI_GEDELAY: - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return dgap_tty_digigetedelay(tty, uarg); case DIGI_SEDELAY: - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return dgap_tty_digisetedelay(tty, uarg); case DIGI_GETCUSTOMBAUD: - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return dgap_tty_digigetcustombaud(tty, uarg); case DIGI_SETCUSTOMBAUD: - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return dgap_tty_digisetcustombaud(tty, uarg); case DIGI_RESET_PORT: dgap_firmware_reset_port(ch); dgap_param(tty); - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return 0; default: - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return -ENOIOCTLCMD; } @@ -4705,7 +4707,7 @@ static void dgap_poll_tasklet(unsigned long data) if (bd->inhibit_poller) return; - DGAP_LOCK(bd->bd_lock, lock_flags); + spin_lock_irqsave(&bd->bd_lock, lock_flags); vaddr = bd->re_map_membase; @@ -4717,11 +4719,11 @@ static void dgap_poll_tasklet(unsigned long data) struct ev_t *eaddr = NULL; if (!bd->re_map_membase) { - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return; } if (!bd->re_map_port) { - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return; } @@ -4738,9 +4740,9 @@ static void dgap_poll_tasklet(unsigned long data) * If there is an event pending. Go service it. */ if (head != tail) { - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); dgap_event(bd); - DGAP_LOCK(bd->bd_lock, lock_flags); + spin_lock_irqsave(&bd->bd_lock, lock_flags); } out: @@ -4750,11 +4752,11 @@ out: if (bd && bd->intr_running) readb(bd->re_map_port + 2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return; } - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); } /*======================================================================= @@ -5621,12 +5623,12 @@ static int dgap_event(struct board_t *bd) if (!bd || bd->magic != DGAP_BOARD_MAGIC) return -ENXIO; - DGAP_LOCK(bd->bd_lock, lock_flags); + spin_lock_irqsave(&bd->bd_lock, lock_flags); vaddr = bd->re_map_membase; if (!vaddr) { - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return -ENXIO; } @@ -5643,7 +5645,7 @@ static int dgap_event(struct board_t *bd) if (head >= EVMAX - EVSTART || tail >= EVMAX - EVSTART || (head | tail) & 03) { /* Let go of board lock */ - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return -ENXIO; } @@ -5681,12 +5683,12 @@ static int dgap_event(struct board_t *bd) * If we have made it here, the event was valid. * Lock down the channel. */ - DGAP_LOCK(ch->ch_lock, lock_flags2); + spin_lock_irqsave(&ch->ch_lock, lock_flags2); bs = ch->ch_bs; if (!bs) { - DGAP_UNLOCK(ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); goto next; } @@ -5700,13 +5702,13 @@ static int dgap_event(struct board_t *bd) * input could send some data to ld, which in turn * could do a callback to one of our other functions. */ - DGAP_UNLOCK(ch->ch_lock, lock_flags2); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); dgap_input(ch); - DGAP_LOCK(bd->bd_lock, lock_flags); - DGAP_LOCK(ch->ch_lock, lock_flags2); + spin_lock_irqsave(&bd->bd_lock, lock_flags); + spin_lock_irqsave(&ch->ch_lock, lock_flags2); if (ch->ch_flags & CH_RACTIVE) ch->ch_flags |= CH_RENABLE; @@ -5773,14 +5775,14 @@ static int dgap_event(struct board_t *bd) } } - DGAP_UNLOCK(ch->ch_lock, lock_flags2); + spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); next: tail = (tail + 4) & (EVMAX - EVSTART - 4); } writew(tail, &(eaddr->ev_tail)); - DGAP_UNLOCK(bd->bd_lock, lock_flags); + spin_unlock_irqrestore(&bd->bd_lock, lock_flags); return 0; } diff --git a/drivers/staging/dgap/dgap.h b/drivers/staging/dgap/dgap.h index c4d714c..c8f8509 100644 --- a/drivers/staging/dgap/dgap.h +++ b/drivers/staging/dgap/dgap.h @@ -194,13 +194,6 @@ typedef unsigned char uchar; #define VPDSIZE (512) -/* - * Lock function/defines. - * Makes spotting lock/unlock locations easier. - */ -# define DGAP_LOCK(x,y) spin_lock_irqsave(&(x), y) -# define DGAP_UNLOCK(x,y) spin_unlock_irqrestore(&(x), y) - /************************************************************************ * FEP memory offsets ************************************************************************/ -- 1.8.1.4 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel