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Add a comment about the MPSAFEness of this pccard_intr handler. Given

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how we registered pccard_intr, it is MPSAFE.  However, since we
register the pccard_intr handler with the flags of the ISR we call,
that is the gating factor.  We need do nothing specific here.

Prompted by: seeing pccard_intr in a panic.
This commit is contained in:
Warner Losh 2003-06-13 21:30:29 +00:00
parent d07c19e566
commit 309971e12e
1 changed files with 4 additions and 0 deletions
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4
sys/dev/pccard/pccard.c
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@ -1202,6 +1202,10 @@ pccard_intr(void *arg)
* the interrupt will pacify the card enough to keep an
* interrupt storm from happening. Of course this won't
* help in the non-MFC case.
*
* This has no impact for MPSAFEness of the client drivers.
* We register this with whatever flags the intr_handler
* was registered with. All these functions are MPSAFE.
*/
if (pccard_mfc(pf->sc)) {
reg = pccard_ccr_read(pf, PCCARD_CCR_STATUS);