diff options
Diffstat (limited to 'drivers/net/pcmcia/smc91c92_cs.c')
| -rw-r--r-- | drivers/net/pcmcia/smc91c92_cs.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/net/pcmcia/smc91c92_cs.c b/drivers/net/pcmcia/smc91c92_cs.c index 64e6a84bbbbe..307cd1721e91 100644 --- a/drivers/net/pcmcia/smc91c92_cs.c +++ b/drivers/net/pcmcia/smc91c92_cs.c @@ -1505,12 +1505,20 @@ irq_done: writeb(cor & ~COR_IREQ_ENA, smc->base + MOT_LAN + CISREG_COR); writeb(cor, smc->base + MOT_LAN + CISREG_COR); } -#ifdef DOES_NOT_WORK - if (smc->base != NULL) { /* Megahertz MFC's */ - readb(smc->base+MEGAHERTZ_ISR); - readb(smc->base+MEGAHERTZ_ISR); + + if ((smc->base != NULL) && /* Megahertz MFC's */ + (smc->manfid == MANFID_MEGAHERTZ) && + (smc->cardid == PRODID_MEGAHERTZ_EM3288)) { + + u_char tmp; + tmp = readb(smc->base+MEGAHERTZ_ISR); + tmp = readb(smc->base+MEGAHERTZ_ISR); + + /* Retrigger interrupt if needed */ + writeb(tmp, smc->base + MEGAHERTZ_ISR); + writeb(tmp, smc->base + MEGAHERTZ_ISR); } -#endif + spin_unlock(&smc->lock); return IRQ_RETVAL(handled); } |