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Changeset eb212e7 in mainline


Ignore:
Timestamp:
2011-07-12T22:29:16Z (10 years ago)
Author:
Jan Vesely <jano.vesely@…>
Branches:
lfn, master
Children:
ca2815e
Parents:
fc6e607
Message:

OHCI: Mention consequences of removing dummy register access.

File:
1 edited

Legend:

Unmodified
Added
Removed
  • uspace/drv/bus/usb/ohci/hc.c

    rfc6e607 reb212e7  
    9797         * unless whole virtual addresses in irq is replaced
    9898         * NOTE: Compiler won't remove this as ohci_regs_t members
    99          * are declared volatile. */
     99         * are declared volatile.
     100         *
     101         * Introducing CMD_MEM set of IRQ code commands broke
     102         * assumption that IRQ code does not cause page faults.
     103         * If this happens during idling (THREAD == NULL)
     104         * it causes kernel panic.
     105         */
    100106        registers->revision;
    101107
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