[Bug 254373] T440p fails to boot while docked with 13.0-RC2

From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 22 Jul 2021 17:52:14 UTC

--- Comment #13 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:


commit d5341d72a11be200e536ac7d8967449a3f521792
Author:     Yang Zhong <yzhong@freebsdfoundation.org>
AuthorDate: 2021-07-22 17:16:01 +0000
Commit:     Mark Johnston <markj@FreeBSD.org>
CommitDate: 2021-07-22 17:50:10 +0000

    mmc: Drain the intrhook in mmc_detach()

    Buggy SD card drivers may attach and detach a mmc(4) driver instance in
    quick succession.  In this case mmc(4) must disestablish its intrhook
    callback during detach.  Thus, this change adds a call to
    config_intrhook_drain(), which blocks or does nothing if the intrhook is
    running or has already ran (the SD card was plugged in), and
    disestablishes the hook if it hasn't ran yet (the SD card was not
    plugged in).

    PR:             254373
    Reviewed by:    imp, manu, markj
    MFC after:      1 week
    Sponsored by:   The FreeBSD Foundation
    Differential Revision:  https://reviews.freebsd.org/D31262

 sys/dev/mmc/mmc.c | 1 +
 1 file changed, 1 insertion(+)

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