diff options
| author | Bruce Evans <bde@FreeBSD.org> | 2003-09-27 10:30:03 +0000 |
|---|---|---|
| committer | Bruce Evans <bde@FreeBSD.org> | 2003-09-27 10:30:03 +0000 |
| commit | 7872ac5542de71f23067b1edf488d9bcd3aa1748 (patch) | |
| tree | 623e2b5eb5fd85613c96788340a532932e53dac4 /sys/dev/cy | |
| parent | 5192cc94697428324f4da8e46a96a250e6e9d324 (diff) | |
Notes
Diffstat (limited to 'sys/dev/cy')
| -rw-r--r-- | sys/dev/cy/cy.c | 28 | ||||
| -rw-r--r-- | sys/dev/cy/cy_isa.c | 28 |
2 files changed, 48 insertions, 8 deletions
diff --git a/sys/dev/cy/cy.c b/sys/dev/cy/cy.c index c8f24599352b..4bbedba65fec 100644 --- a/sys/dev/cy/cy.c +++ b/sys/dev/cy/cy.c @@ -2852,6 +2852,9 @@ cd_getreg(com, reg) int cy_align; register_t eflags; cy_addr iobase; +#ifdef SMP + int need_unlock; +#endif int val; basecom = com_addr(com->unit & ~(CD1400_NO_OF_CHANNELS - 1)); @@ -2860,13 +2863,20 @@ cd_getreg(com, reg) iobase = com->iobase; eflags = read_eflags(); critical_enter(); - if (eflags & PSL_I) +#ifdef SMP + need_unlock = 0; + if (!mtx_owned(&com_mtx)) { COM_LOCK(); + need_unlock = 1; + } +#endif if (basecom->car != car) cd_outb(iobase, CD1400_CAR, cy_align, basecom->car = car); val = cd_inb(iobase, reg, cy_align); - if (eflags & PSL_I) +#ifdef SMP + if (need_unlock) COM_UNLOCK(); +#endif critical_exit(); return (val); } @@ -2882,6 +2892,9 @@ cd_setreg(com, reg, val) int cy_align; register_t eflags; cy_addr iobase; +#ifdef SMP + int need_unlock; +#endif basecom = com_addr(com->unit & ~(CD1400_NO_OF_CHANNELS - 1)); car = com->unit & CD1400_CAR_CHAN; @@ -2889,13 +2902,20 @@ cd_setreg(com, reg, val) iobase = com->iobase; eflags = read_eflags(); critical_enter(); - if (eflags & PSL_I) +#ifdef SMP + need_unlock = 0; + if (!mtx_owned(&com_mtx)) { COM_LOCK(); + need_unlock = 1; + } +#endif if (basecom->car != car) cd_outb(iobase, CD1400_CAR, cy_align, basecom->car = car); cd_outb(iobase, reg, cy_align, val); - if (eflags & PSL_I) +#ifdef SMP + if (need_unlock) COM_UNLOCK(); +#endif critical_exit(); } diff --git a/sys/dev/cy/cy_isa.c b/sys/dev/cy/cy_isa.c index c8f24599352b..4bbedba65fec 100644 --- a/sys/dev/cy/cy_isa.c +++ b/sys/dev/cy/cy_isa.c @@ -2852,6 +2852,9 @@ cd_getreg(com, reg) int cy_align; register_t eflags; cy_addr iobase; +#ifdef SMP + int need_unlock; +#endif int val; basecom = com_addr(com->unit & ~(CD1400_NO_OF_CHANNELS - 1)); @@ -2860,13 +2863,20 @@ cd_getreg(com, reg) iobase = com->iobase; eflags = read_eflags(); critical_enter(); - if (eflags & PSL_I) +#ifdef SMP + need_unlock = 0; + if (!mtx_owned(&com_mtx)) { COM_LOCK(); + need_unlock = 1; + } +#endif if (basecom->car != car) cd_outb(iobase, CD1400_CAR, cy_align, basecom->car = car); val = cd_inb(iobase, reg, cy_align); - if (eflags & PSL_I) +#ifdef SMP + if (need_unlock) COM_UNLOCK(); +#endif critical_exit(); return (val); } @@ -2882,6 +2892,9 @@ cd_setreg(com, reg, val) int cy_align; register_t eflags; cy_addr iobase; +#ifdef SMP + int need_unlock; +#endif basecom = com_addr(com->unit & ~(CD1400_NO_OF_CHANNELS - 1)); car = com->unit & CD1400_CAR_CHAN; @@ -2889,13 +2902,20 @@ cd_setreg(com, reg, val) iobase = com->iobase; eflags = read_eflags(); critical_enter(); - if (eflags & PSL_I) +#ifdef SMP + need_unlock = 0; + if (!mtx_owned(&com_mtx)) { COM_LOCK(); + need_unlock = 1; + } +#endif if (basecom->car != car) cd_outb(iobase, CD1400_CAR, cy_align, basecom->car = car); cd_outb(iobase, reg, cy_align, val); - if (eflags & PSL_I) +#ifdef SMP + if (need_unlock) COM_UNLOCK(); +#endif critical_exit(); } |