diff options
Diffstat (limited to 'drivers/staging')
-rw-r--r-- | drivers/staging/me4000/me4000.c | 31 |
1 files changed, 11 insertions, 20 deletions
diff --git a/drivers/staging/me4000/me4000.c b/drivers/staging/me4000/me4000.c index bfdf3e17d37..7f7c88e014a 100644 --- a/drivers/staging/me4000/me4000.c +++ b/drivers/staging/me4000/me4000.c @@ -1261,9 +1261,8 @@ static int me4000_reset_board(struct me4000_info *info) info->me4000_regbase + ME4000_AO_DEMUX_ADJUST_REG); /* Set digital I/O direction for port 0 to output on isolated versions */ - if (!(me4000_inl(info->me4000_regbase + ME4000_DIO_DIR_REG) & 0x1)) { + if (!(me4000_inl(info->me4000_regbase + ME4000_DIO_DIR_REG) & 0x1)) me4000_outl(0x1, info->me4000_regbase + ME4000_DIO_CTRL_REG); - } return 0; } @@ -2102,9 +2101,8 @@ static ssize_t me4000_ao_write_cont(struct file *filep, const char *buff, } } - if (filep->f_flags & O_NONBLOCK) { + if (filep->f_flags & O_NONBLOCK) return (ret == 0) ? -EAGAIN : 2 * ret; - } return 2 * ret; } @@ -3625,9 +3623,8 @@ static int me4000_ai_config(struct me4000_ai_config *arg, me4000_outl(tmp, ai_context->ctrl_reg); /* Write the channel list */ - for (i = 0; i < cmd.channel_list.count; i++) { + for (i = 0; i < cmd.channel_list.count; i++) me4000_outl(list[i], ai_context->channel_list_reg); - } /* Setup sample and hold */ if (cmd.sh) { @@ -3776,9 +3773,7 @@ static int me4000_ai_start_ex(unsigned long *arg, if (timeout) { ref = jiffies; - while (! - (inl(ai_context->status_reg) & ME4000_AI_STATUS_BIT_FSM)) - { + while (!(inl(ai_context->status_reg) & ME4000_AI_STATUS_BIT_FSM)) { interruptible_sleep_on_timeout(&queue, 1); if (signal_pending(current)) { printk(KERN_ERR @@ -3793,9 +3788,7 @@ static int me4000_ai_start_ex(unsigned long *arg, } } } else { - while (! - (inl(ai_context->status_reg) & ME4000_AI_STATUS_BIT_FSM)) - { + while (!(inl(ai_context->status_reg) & ME4000_AI_STATUS_BIT_FSM)) { interruptible_sleep_on_timeout(&queue, 1); if (signal_pending(current)) { printk(KERN_ERR @@ -4116,9 +4109,8 @@ static ssize_t me4000_ai_read(struct file *filep, char *buff, size_t cnt, return -EPIPE; } - if (filep->f_flags & O_NONBLOCK) { + if (filep->f_flags & O_NONBLOCK) return (k == 0) ? -EAGAIN : 2 * ret; - } CALL_PDEBUG("me4000_ai_read() is leaved\n"); return ret * 2; @@ -4257,11 +4249,10 @@ static int eeprom_write_cmd(struct me4000_ai_context *ai_context, unsigned long udelay(EEPROM_DELAY); for (i = 0; i < length; i++) { - if (cmd & ((0x1 << (length - 1)) >> i)) { + if (cmd & ((0x1 << (length - 1)) >> i)) value |= PLX_ICR_BIT_EEPROM_WRITE; - } else { + else value &= ~PLX_ICR_BIT_EEPROM_WRITE; - } /* Write to EEPROM */ me4000_outl(value, @@ -4317,11 +4308,11 @@ static unsigned short eeprom_read_cmd(struct me4000_ai_context *ai_context, /* Write the read command to the eeprom */ for (i = 0; i < length; i++) { - if (cmd & ((0x1 << (length - 1)) >> i)) { + if (cmd & ((0x1 << (length - 1)) >> i)) value |= PLX_ICR_BIT_EEPROM_WRITE; - } else { + else value &= ~PLX_ICR_BIT_EEPROM_WRITE; - } + me4000_outl(value, ai_context->board_info->plx_regbase + PLX_ICR); udelay(EEPROM_DELAY); |