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| author | Dominik Brodowski <linux@dominikbrodowski.net> | 2010-05-03 15:10:09 +0200 |
|---|---|---|
| committer | Dominik Brodowski <linux@dominikbrodowski.net> | 2010-05-04 22:15:34 +0200 |
| commit | 43821242078aeced1d576b4b54d7b4a9bd76ec05 (patch) | |
| tree | baad758e9d724e4b8b76af38fab5de96d2cde7a0 | |
| parent | pcmcia: avoid pccard_validate_cis failure in resume callpath (diff) | |
| download | linux-43821242078aeced1d576b4b54d7b4a9bd76ec05.tar.xz linux-43821242078aeced1d576b4b54d7b4a9bd76ec05.zip | |
pcmcia: order userspace suspend and resume requests
Assert that userspace suspend and resume requests appearing
(almost) immediately are executed in the following order:
suspend, resume. This should result in "pccardctl reset"
behaving the same as before.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
| -rw-r--r-- | drivers/pcmcia/cs.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c index 75ed866e6953..c3383750e333 100644 --- a/drivers/pcmcia/cs.c +++ b/drivers/pcmcia/cs.c @@ -671,20 +671,22 @@ static int pccardd(void *__skt) socket_remove(skt); if (sysfs_events & PCMCIA_UEVENT_INSERT) socket_insert(skt); - if ((sysfs_events & PCMCIA_UEVENT_RESUME) && - !(skt->state & SOCKET_CARDBUS)) { - ret = socket_resume(skt); - if (!ret && skt->callback) - skt->callback->resume(skt); - } if ((sysfs_events & PCMCIA_UEVENT_SUSPEND) && !(skt->state & SOCKET_CARDBUS)) { if (skt->callback) ret = skt->callback->suspend(skt); else ret = 0; - if (!ret) + if (!ret) { socket_suspend(skt); + msleep(100); + } + } + if ((sysfs_events & PCMCIA_UEVENT_RESUME) && + !(skt->state & SOCKET_CARDBUS)) { + ret = socket_resume(skt); + if (!ret && skt->callback) + skt->callback->resume(skt); } if ((sysfs_events & PCMCIA_UEVENT_REQUERY) && !(skt->state & SOCKET_CARDBUS)) { |