diff options
Diffstat (limited to 'drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c')
| -rw-r--r-- | drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c | 72 |
1 files changed, 36 insertions, 36 deletions
diff --git a/drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c b/drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c index c4a8a0a26eb5..86a680c09ba2 100644 --- a/drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c +++ b/drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c @@ -97,11 +97,10 @@ static inline u16 ft1000_read_fifo_len(struct net_device *dev) { struct ft1000_info *info = netdev_priv(dev); - if (info->AsicID == ELECTRABUZZ_ID) { + if (info->AsicID == ELECTRABUZZ_ID) return (ft1000_read_reg(dev, FT1000_REG_UFIFO_STAT) - 16); - } else { + else return (ft1000_read_reg(dev, FT1000_REG_MAG_UFSR) - 16); - } } //--------------------------------------------------------------------------- @@ -116,7 +115,7 @@ static inline u16 ft1000_read_fifo_len(struct net_device *dev) // value - value of dpram // //--------------------------------------------------------------------------- -u16 ft1000_read_dpram(struct net_device * dev, int offset) +u16 ft1000_read_dpram(struct net_device *dev, int offset) { struct ft1000_info *info = netdev_priv(dev); unsigned long flags; @@ -1997,42 +1996,43 @@ static irqreturn_t ft1000_interrupt(int irq, void *dev_id) inttype = ft1000_read_reg(dev, FT1000_REG_SUP_ISR); // Make sure we process all interrupt before leaving the ISR due to the edge trigger interrupt type - while (inttype) { - if (inttype & ISR_DOORBELL_PEND) { - ft1000_parse_dpram_msg(dev); - } + while (inttype) { + if (inttype & ISR_DOORBELL_PEND) + ft1000_parse_dpram_msg(dev); - if (inttype & ISR_RCV) { - DEBUG(1, "Data in FIFO\n"); + if (inttype & ISR_RCV) { + DEBUG(1, "Data in FIFO\n"); - cnt = 0; - do { - // Check if we have packets in the Downlink FIFO - if (info->AsicID == ELECTRABUZZ_ID) { - tempword = - ft1000_read_reg(dev, FT1000_REG_DFIFO_STAT); - } else { - tempword = - ft1000_read_reg(dev, FT1000_REG_MAG_DFSR); - } - if (tempword & 0x1f) { - ft1000_copy_up_pkt(dev); - } else { - break; - } - cnt++; - } while (cnt < MAX_RCV_LOOP); + cnt = 0; + do { + // Check if we have packets in the Downlink FIFO + if (info->AsicID == ELECTRABUZZ_ID) { + tempword = + ft1000_read_reg(dev, + FT1000_REG_DFIFO_STAT); + } else { + tempword = + ft1000_read_reg(dev, + FT1000_REG_MAG_DFSR); + } + if (tempword & 0x1f) { + ft1000_copy_up_pkt(dev); + } else { + break; + } + cnt++; + } while (cnt < MAX_RCV_LOOP); + } + // clear interrupts + tempword = ft1000_read_reg(dev, FT1000_REG_SUP_ISR); + DEBUG(1, "ft1000_hw: interrupt status register = 0x%x\n", tempword); + ft1000_write_reg(dev, FT1000_REG_SUP_ISR, tempword); + + // Read interrupt type + inttype = ft1000_read_reg (dev, FT1000_REG_SUP_ISR); + DEBUG(1,"ft1000_hw: interrupt status register after clear = 0x%x\n",inttype); } - // clear interrupts - tempword = ft1000_read_reg(dev, FT1000_REG_SUP_ISR); - DEBUG(1, "ft1000_hw: interrupt status register = 0x%x\n", tempword); - ft1000_write_reg(dev, FT1000_REG_SUP_ISR, tempword); - - // Read interrupt type - inttype = ft1000_read_reg (dev, FT1000_REG_SUP_ISR); - DEBUG(1,"ft1000_hw: interrupt status register after clear = 0x%x\n",inttype); - } ft1000_enable_interrupts(dev); return IRQ_HANDLED; } |