IB/ipath: fix handling of kpiobufs
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>
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1 changed files with 2 additions and 1 deletions
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@ -691,7 +691,7 @@ int ipath_init_chip(struct ipath_devdata *dd, int reinit)
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dd->ipath_pioavregs = ALIGN(val, sizeof(u64) * BITS_PER_BYTE / 2)
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/ (sizeof(u64) * BITS_PER_BYTE / 2);
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if (ipath_kpiobufs == 0) {
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/* not set by user, or set explictly to default */
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/* not set by user (this is default) */
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if ((dd->ipath_piobcnt2k + dd->ipath_piobcnt4k) > 128)
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kpiobufs = 32;
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else
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@ -950,6 +950,7 @@ static int ipath_set_kpiobufs(const char *str, struct kernel_param *kp)
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dd->ipath_piobcnt2k + dd->ipath_piobcnt4k - val;
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}
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ipath_kpiobufs = val;
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ret = 0;
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bail:
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spin_unlock_irqrestore(&ipath_devs_lock, flags);
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