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IB/ipath: fix handling of kpiobufs

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Change comment: no longer imply that user can set ipath_kpiobufs to zero.
Actually set ipath_kpiobufs from parameter. Previously only altered
per-device ipath_lastport_piobuf, which was over-written in chip init.

Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Bryan O'Sullivan 2006-08-25 11:24:29 -07:00 • committed by Roland Dreier
parent 8e280d94e2
commit ba11203a11
1 changed files with 2 additions and 1 deletions
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3
drivers/infiniband/hw/ipath/ipath_init_chip.c
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@ -691,7 +691,7 @@ int ipath_init_chip(struct ipath_devdata *dd, int reinit)
dd->ipath_pioavregs = ALIGN(val, sizeof(u64) * BITS_PER_BYTE / 2) dd->ipath_pioavregs = ALIGN(val, sizeof(u64) * BITS_PER_BYTE / 2)
/ (sizeof(u64) * BITS_PER_BYTE / 2); / (sizeof(u64) * BITS_PER_BYTE / 2);
if (ipath_kpiobufs == 0) { if (ipath_kpiobufs == 0) {
/* not set by user, or set explictly to default */ /* not set by user (this is default) */
if ((dd->ipath_piobcnt2k + dd->ipath_piobcnt4k) > 128) if ((dd->ipath_piobcnt2k + dd->ipath_piobcnt4k) > 128)
kpiobufs = 32; kpiobufs = 32;
else else
@ -950,6 +950,7 @@ static int ipath_set_kpiobufs(const char *str, struct kernel_param *kp)
dd->ipath_piobcnt2k + dd->ipath_piobcnt4k - val; dd->ipath_piobcnt2k + dd->ipath_piobcnt4k - val;
} }
ipath_kpiobufs = val;
ret = 0; ret = 0;
bail: bail:
spin_unlock_irqrestore(&ipath_devs_lock, flags); spin_unlock_irqrestore(&ipath_devs_lock, flags);