diff options
Diffstat (limited to 'drivers/char/riscom8.c')
| -rw-r--r-- | drivers/char/riscom8.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c index b0ab3f28cc6a..5ab32b38f45a 100644 --- a/drivers/char/riscom8.c +++ b/drivers/char/riscom8.c @@ -550,7 +550,7 @@ static inline void rc_check_modem(struct riscom_board const * bp) } /* The main interrupt processing routine */ -static irqreturn_t rc_interrupt(int irq, void * dev_id, struct pt_regs * regs) +static irqreturn_t rc_interrupt(int irq, void * dev_id) { unsigned char status; unsigned char ack; @@ -559,11 +559,10 @@ static irqreturn_t rc_interrupt(int irq, void * dev_id, struct pt_regs * regs) int handled = 0; bp = IRQ_to_board[irq]; - - if (!bp || !(bp->flags & RC_BOARD_ACTIVE)) { + + if (!(bp->flags & RC_BOARD_ACTIVE)) return IRQ_NONE; - } - + while ((++loop < 16) && ((status = ~(rc_in(bp, RC_BSR))) & (RC_BSR_TOUT | RC_BSR_TINT | RC_BSR_MINT | RC_BSR_RINT))) { |